PM RESEARCH MEMO

Title: Macro Uncertainty Fuels Hedging Demand Ahead of FOMC — Oil Spot vs OVX Divergence, SPX Skew Steepening, Micro→Macro Vol Regime Shift
Author / source: Mandy Xu, VP, Head of Derivatives Market Intelligence, Cboe Derivatives Market Intelligence
Source title: Macro Volatility Digest — "Macro Uncertainty Fuels Hedging Demand Ahead of FOMC"
Source date: Monday, September 14, 2026
Week covered: Week ending Friday 11 Sep 2026 (digest dated Mon 14 Sep; FOMC referenced as "this week" / Wednesday)
Gmail: mxu@cboe.com msg 1a0a03d31ed29801
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Memo date: Monday, September 14, 2026 (America/Toronto)
Source type: Weekly Cboe cross-asset implied-vol / correlation monitor. Six pages: commentary + exhibits (p1), cross-asset IV vs RV and 10Y z-scores (p2), 1M correlation matrix and history (p3), macro equity vol table / VIX complex (p4), US index ATM / skew / term structure (p5), contacts & disclaimers (p6).
Product: Vol-regime map for allocation research. Not advice. This memo does not recommend a trade.
Prints: All IVs, percentiles, correlations, MOVE/VIX/OVX levels, OIS hike odds, and VIX-trade descriptions are source as of the digest. Live spots, live OIS hike odds, live Brent/WTI, live VIX = External check needed. Do not treat as live.
Source discipline: Use only this digest as primary source. Chart levels that are not numerically labeled are flagged chart-read. No buy/sell. Do not silently import numbers from the Aug 31 Cboe memo or other desk memos; Aug 31 may be cited only as External / other desk companion for delta framing with explicit label.

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EXECUTIVE SUMMARY

• Takeaway 1 — Macro hedging is back: oil + sticky inflation + FOMC hike odds 58%→90%. Source (p1): risk assets sold off as oil hit a 3-month high on escalating Middle East tensions and US core inflation surprised to the upside. OIS hike odds for this week’s FOMC rose 58% → 90%. MOVE gained almost 10 pts to the 92nd percentile. SPX weekly options price ~1.1% implied move for Wednesday’s FOMC. Inference: macro-event vol week, not earnings/AI. Conviction: High on the source map; Low as a directional call.

• Takeaway 2 — Oil is the standout vol mover, but OVX has not repriced March-style disruption tails. Source (p1, Exhibit 1): OVX +14 pts wk/wk to 59% — largest jump across asset classes. Oil prices near Mar/Apr highs, yet OVX at just half March levels. WTI 1M 5-delta/25-delta call wing still below its 1-year average. Source attribution: prolonged-conflict risk up (spot); severe-disruption / tail risk down. Inference: sticky oil level, not supply-collapse gap. Conviction: High on the printed divergence; Medium on the causal read (author’s).

• Takeaway 3 — VIX +1.3 to 15.8%; more than half is skew/convexity, not ATM. Source (p1): VIX 15.8%; >half from SPX skew/convexity steepening. SPX 1M put skew (25d/50d) jumped 36th → 73rd percentile (Exhibit 3). Table (p4): SPX 1M ATM 12.4 (+0.4, 11th pctl) vs RV 9.4, I–R +3.0 (63rd). Inference: hedge arriving in shape (puts, wings, VIX calls), not yet a full ATM reprice. VIX 15.8 ≠ SPX ATM 12.4 — different series.

• Takeaway 4 — Micro/AI vol premium collapsed; risk rotated micro→macro. Source (p1): VIXEQ −1.3 to 34.5%. VIXEQ–VIX halved to ~17% from July record 34%. QQQ–SPX 1M IV spread near 1-year low of 3.6% after July high 13% (Exhibit 2). Table: QQQ 17.4 (+0.7, 13th pctl); RTY 17.6 (+1.2, 12th pctl). Inference: July AI-fear dislocation at index level is closed; ~17% VIXEQ–VIX residual is half the extreme, not a mid-cycle trough. Conviction: High on printed compression.

• Takeaway 5 — Tail hedging via VIX options is the clearest flow print. Source (p1): three of four largest VIX trades YTD in the past two weeks. Each: customer >120k outright VIX calls (~$12M premium), strikes 28–34, Oct/Nov. Inference: discrete dated convexity into FOMC/fall. Conviction: High on the flow as described; Medium on one-customer vs systemic.

• Takeaway 6 — SPX term structure flattened from the front: 1Y–1M 5.6% → 5.0% (still 75th pctl). Source (p1): short-dated IV bid flattened the curve. Page 5: SPX/RTY term structures sit at the bottom of the 1Y range across tenors (chart-read) even as the 1Y–1M spread stays elevated. Inference: absolute vol still cheap on 1Y lookback; relative front bid is what changed. External / other desk companion Aug 31: 1Y–1M then 96th pctl, skew 20th pctl — opposite skew regime ~two weeks later. Do not import Aug 31 levels into this memo’s tables.

• Takeaway 7 — Cross-asset: Europe rich vs realized; USO/EWZ rich IV movers; GLD cheap vs realized. Source table (p4): biggest weekly movers USO +12.4, EWZ +4.9, DAX +1.8, SX5E +1.7; decliners EFA −2.4, GLD −1.2. SX5E I–R +4.0 (86th); DAX +3.7 (79th); USO I–R +14.0 (86th); EWZ I–R +17.3 (98th); GLD I–R −6.3 (28th) — RV 29.0 > IV 22.7. IEF 6.2 / 89th pctl IV; LQD 6.6 / 86th.

• Takeaway 8 — Correlation: equity inverse to oil, USDJPY, CDX; positive to gold and IG cash bonds. Source matrix (p3, 1M): SPX–Oil −57%; SPX–USDJPY −64%; SPX–CDX IG −73% / HY −72%; SPX–10Y −47%; SPX–Gold +45%; SPX–IBIG +52% / IBHY +50%; SPX–RTY 79%; SPX–NKY −18%. 10Y–30Y 94%; CDX IG–HY 97%. Inference: oil spike = risk-off equities and higher yields — duration not the automatic equity hedge. Gold +45% vs SPX means gold is co-moving with risk in the 1M window.

• Takeaway 9 — 10Y z-scores: gold elevated; oil rising fast; equity/rates/FX/IG near average. Source (p2): +2 = rich, −2 = cheap vs 10Y history. Chart-read (unlabeled): gold ~+2.0; oil toward ~+2.0; VIX ~0; MOVE ~−0.5 to −1.0 (hook up); IG ~0; FX ~−1.0. Exact z-scores not printed.

• Takeaway 10 — Why now / horizons. Days: Wednesday FOMC (90% hike odds); SPX weekly ~1.1%; VIX calls 28–34 Oct/Nov; OVX 59% vs oil near Mar/Apr highs. Weeks–quarter: whether SPX put skew holds above mid/high percentiles or mean-reverts toward prior week’s 36th; whether QQQ–SPX stays near 3.6%; whether MOVE leaves 92nd pctl. Multi-quarter: whether micro→macro rotation sticks (VIXEQ–VIX near ~17% vs July 34%) and whether SPX–IBIG +52% keeps duration a failed diversifier. Live OIS/spots/VIX = External check needed.

• Takeaway 11 — Non-obvious angle. Market can have oil near Mar/Apr highs, OVX at half March, SPX ATM at 11th pctl, and SPX put skew at 73rd pctl simultaneously. Absolute front vol still historically low; shape and cross-asset (MOVE 92nd, OVX +14, VIX calls) are where the hedge sits. "VIX only 15.8" misses >half the VIX move and the year’s largest VIX trades.

• Takeaway 12 — Conviction. High in the Cboe map (table, skew percentiles, OVX/MOVE, VIX-trade description, QQQ–SPX 3.6%, VIXEQ–VIX halving). Medium in the causal chain (prolonged vs severe disruption; micro→macro) — author’s attribution. Low as a directional vol or SPX call. Hypotheses and watchlist only. No trade recommendation.

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SOURCE-ACCURATE SUMMARY

Page-ordered. Digest attribution unless labeled chart-read or inference.

Page 1 — Commentary and exhibits

1. Headline (source). "Macro Uncertainty Fuels Hedging Demand Ahead of FOMC."
2. Risk assets / oil / inflation (source). Risk assets sold off; oil to a 3-month high on escalating ME tensions; US core inflation upside surprise.
3. OVX (source). Oil vol jumped most across asset classes: OVX +14 pts wk/wk to 59%.
4. Spot vs OVX divergence (source, Exhibit 1). Oil prices near Mar/Apr highs; OVX at just half March levels. Oil-call demand cooled vs Iran-conflict onset. Attribution: prolonged conflict risk up (spot); severe disruption risk down (less tail hedging).
5. Call wing (source). WTI 1M 5d/25d call wing still below 1-year average.
6. OIS / FOMC (source). Hike odds this week’s meeting 58% → 90% (OIS). Higher oil feeding sticky-inflation story.
7. MOVE (source). Almost +10 pts to 92nd percentile.
8. SPX event vol (source). Weekly options ~1.1% implied move for Wednesday FOMC.
9. VIX (source). +1.3 to 15.8%; more than half from SPX skew/convexity steepening.
10. VIXEQ (source). −1.3 to 34.5%. VIXEQ–VIX halved to ~17% from July record 34%. Risk shift micro (earnings/AI) → macro (inflation/rates).
11. QQQ–SPX (source, Exhibit 2). 1M IV spread near 1Y low 3.6% after July high 13%.
12. Skew (source, Exhibit 3). SPX 1M put skew (25d/50d) 36th → 73rd percentile.
13. VIX tail trades (source). 3 of 4 largest VIX trades YTD in past two weeks: customer >120k outright VIX calls each (~$12M premium; strikes 28–34 Oct/Nov).
14. Term structure (source). 1Y–1M narrowed 5.6% → 5.0% (75th percentile).
15. Exhibit chart-reads. Ex1: Sep price spike toward ~$90–$100 while OVX ~60 (unlabeled). Ex2: July peak ~13–14% → 3.6%. Ex3: skew ratio ~1.16 → ~1.27 (percentiles are source; ratio levels chart-read).

Page 2 — IV vs RV monitor; 10Y z-scores

16. Six IV/RV panels (source series; currents mostly unlabeled). Equity: VIX slightly above SPX RV; mid/high teens after March ~30% peak (chart-read). Rates: MOVE bounce toward ~80–90 bps after March >110 (chart-read). IG: VIXIG off ~60% peak; implied slightly above realized near ~20% (chart-read). Oil: OVX far-right spike ~59–60% above realized (matches 59%). Gold: RV notably above IV (matches I–R −6.3). USDJPY: IV/RV converged near ~10% (chart-read).
17. Z-score how-to (source). +2 = rich (2σ above 10Y avg); −2 = cheap. Standardizes lognormal vs normal, price vs bps vol.
18. Current z-scores (chart-read). Gold ~+2.0 (earlier spikes ~+7 visible); oil toward ~+2.0; VIX ~0; MOVE ~−0.5 to −1.0; IG ~0; FX ~−1.0. Exact values not printed.

Page 3 — 1M correlation matrix and history

19. Intra-equity (source). SPX–RTY 79%; SPX–SX5E 47%; SPX–NKY −18%; SPX–MXEF −16%; RTY–SX5E 45%; RTY–NKY −19%; RTY–MXEF −7%; SX5E–NKY 9%; SX5E–MXEF 9%; NKY–MXEF 82%.
20. Equity vs cash-bond futures (source). SPX–IBIG 52%, RTY–IBIG 57%, SX5E–IBIG 13%, NKY–IBIG −50%, MXEF–IBIG −38%. SPX–IBHY 50%, RTY–IBHY 65%, SX5E–IBHY 19%, NKY–IBHY −43%, MXEF–IBHY −34%. IBIG–IBHY 79%.
21. Equity vs CDX (source). SPX–CDX IG −73%, RTY −70%, SX5E −49%, NKY +22%, MXEF +12%. SPX–CDX HY −72%, RTY −73%, SX5E −47%. CDX IG–HY 97%. IBIG–CDX IG −75%; IBHY–CDX IG −58%; IBIG–CDX HY −71%; IBHY–CDX HY −55%.
22. Equity vs Treasury yields (source). SPX–10Y −47%, RTY −47%, SX5E −25%, NKY +38%, MXEF +31%. SPX–30Y −45%, RTY −41%, SX5E −28%. 10Y–30Y 94%. IBIG–10Y −93%, IBHY–10Y −62%. CDX IG–10Y +75%, CDX HY–10Y +71%.
23. Commodities (source). SPX–Oil −57%, RTY −48%, SX5E −63%, NKY/MXEF +6%. SPX–Gold +45%, RTY +59%, SX5E −2%. SPX–Copper +33%, RTY +41%, SX5E +27%. Oil–Gold −21%; Oil–Copper −51%; Gold–Copper +43%. Oil–10Y +76%, Oil–30Y +71%, Oil–CDX IG +79%, Oil–CDX HY +76%.
24. FX (source). SPX–EURUSD +23%, RTY +43%, SX5E −26%. SPX–USDJPY −64%, RTY −56%, NKY +51%. SPX–GBPUSD +25%, RTY +40%. EURUSD–GBPUSD 89%; EURUSD–USDJPY −58%. Gold–EURUSD +75%, Gold–GBPUSD +76%. GBPUSD–USDJPY −48%.
25. History charts (current = matrix). Equity–rates: ~0% Aug → −47%. Equity–corp bond: SPX/IG ~52%, RTY/HY ~65% (off summer ~80% peaks). Equity–oil: −57%, mostly negative since Mar-26. Equity–gold: to +45% from ~0 late Aug. SX5E–EURUSD matrix −26%. NKY–USDJPY +51%.

Page 4 — Macro equity vol table; VIX complex

26. US 1M monitor (source table).

Ticker	1M IV	Wkly chg	1Y pctl	1M RV	I–R spread	I–R 1Y pctl
SPX	12.4	+0.4	11	9.4	+3.0	63
RTY	17.6	+1.2	12	13.5	+4.1	67
QQQ	17.4	+0.7	13	13.2	+4.2	67

27. International 1M monitor (source table).

Ticker	1M IV	Wkly chg	1Y pctl	1M RV	I–R spread	I–R 1Y pctl
SX5E	14.8	+1.7	50	10.8	+4.0	86
DAX	15.1	+1.8	49	11.3	+3.7	79
EEM	21.7	+1.1	48	20.5	+1.2	58
EFA	13.0	−2.4	17	11.0	+2.0	58
EWZ	40.6	+4.9	97	23.2	+17.3	98
FXI	19.6	+1.0	12	15.8	+3.9	66

28. Cross-asset 1M monitor (source table).

Ticker	1M IV	Wkly chg	1Y pctl	1M RV	I–R spread	I–R 1Y pctl
USO	54.3	+12.4	65	40.4	+14.0	86
GLD	22.7	−1.2	44	29.0	−6.3	28
TLT	10.6	+0.4	54	11.2	−0.6	19
IEF	6.2	+0.8	89	5.4	+0.8	62
LQD	6.6	+1.1	86	6.7	−0.1	32
HYG	3.9	+1.1	53	4.2	−0.2	45

29. Scatter / movers / ranges (source). Cheap (RV>IV): GLD. Rich (IV>>RV): USO, EWZ. Biggest movers: USO +12.4, EWZ +4.9, DAX +1.8, SX5E +1.7; down EFA −2.4, GLD −1.2. Most US/intl equity IVs near bottom of 1Y ranges; EWZ, USO, IEF, LQD higher in range.

30. VIX complex (source charts; currents mostly unlabeled). VIX ~15.8 (commentary). VVIX chart-read ~90–100. UX2–UX1 chart-read ~+1.5 (above avg ~1.0) — contango. Spot-vol betas chart-read: VVIX/VIX toward ~4.0; SPX/VIX toward ~−2.5 to −3.0. Not labeled — do not invent; External check needed for live betas. VIX IV vs RV panel: recent realized spike above implied (unlabeled; y-scale 0–250%).

Page 5 — US index ATM, spreads, skew, term, cross-section

31. ATM 1M (source chart). SPX/RTY/QQQ at lower end of 1Y ranges — consistent with 12.4 / 17.6 / 17.4. QQQ July spike toward ~30% visible (chart-read).
32. Relative spreads (source). QQQ–SPX near 3.6% 1Y low (July ~13%). RTY–SPX ~5–6% chart-read (table 17.6−12.4 = 5.2).
33. Skew 1M 25d ratio (source chart). SPX rising (chart-read ~1.45 on p5 scale); RTY ~1.35; QQQ ~1.30. Note: p1 Exhibit 3 uses 25d/50d ratio near ~1.27 — related but not identical constructions. Labeled statistic = 73rd pctl.
34. Term structure 1Y–1M (source). Contango; SPX dip matches 5.6%→5.0% / 75th pctl.
35. Cross-sectional skew (source). SPX current higher than 1-week-ago on 70–90% strikes (downside bid). RTY nearly unchanged vs 1-week-ago, lower half of 1Y range.
36. Cross-sectional term structure (source). SPX and RTY curves at bottom of 1Y range across 1M–2Y; upward-sloping. SPX ~12.4% (1M) → ~19% (2Y chart-read); RTY ~17–18% → ~21–22% (chart-read). Absolute vol cheap; front bid flattened the spread without lifting the surface off the floor.

Page 6 — Contacts / disclaimers

37. Desk (source). Mandy Xu (VP, Head; mxu@cboe.com; +1 646 856 8799). Ed Tom (Sr. Dir). Henry Schwartz (VP). Wei Liao (Dir, HK). Products for sophisticated participants; losses can exceed deposits. This memo is not a Cboe product and not a recommendation to transact.

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SYSTEMS MAP / VALUE CHAIN ANALYSIS

Key players and flows

• SPX options / VIX complex. 1M ATM 12.4 / 11th pctl; put skew 73rd pctl; 1Y–1M 5.0% / 75th. VIX 15.8 — >half of +1.3 from skew/convexity. VVIX chart-read ~90–100. UX2–UX1 ~+1.5 contango (chart-read). Discrete tail flow: VIX calls 28–34 Oct/Nov, >120k / ~$12M each.
• Single-stock vs index. VIXEQ 34.5 vs VIX 15.8; spread ~17% (halved from July 34%). Index-vs-stock richness no longer at July extreme; residual still material for dispersion research. No COR1M / names list this week.
• Nasdaq / AI. QQQ–SPX 3.6% (1Y low; July 13%). QQQ I–R +4.2 / 67th (ATM above RV 13.2). Index AI-fear premium harvested; residual idiosyncratic vol more in VIXEQ than QQQ–SPX.
• Small cap. RTY 17.6 / 12th pctl, VRP +4.1 / 67th. RTY–IBHY +65%; RTY–10Y −47%. RTY–SPX vol spread ~5.2.
• Europe / EM. SX5E/DAX mid IV rank (50th/49th) but rich I–R (86th/79th); weekly +1.7/+1.8. EFA −2.4 to 17th pctl. EWZ 40.6 / 97th / I–R 98th. FXI 19.6 / 12th. EEM 21.7 / 48th.
• Oil chain. Spot near Mar/Apr / 3-mo high; OVX 59% (+14); USO 54.3 (+12.4, 65th) vs RV 40.4, I–R +14.0 (86th) — implied overshot realized this week. Call wing still below 1Y avg. Oil–SPX −57%, oil–10Y +76%, oil–CDX IG +79%: inflation/geo, not growth-beta.
• Gold. GLD 22.7 / 44th, RV 29.0, I–R −6.3 / 28th. Z-score ~+2 chart-read. SPX–gold +45%; gold–EUR +75%.
• Rates / credit. MOVE 92nd pctl; IEF 89th pctl IV; TLT I–R still cheap (19th). LQD IV 86th, I–R 32nd. Cash IG/HY positive with SPX; CDX hedge sign intact (−73% vs SPX). CDX IG–HY 97%.

Bottlenecks and leverage points

1. Shape vs level. ATM 11th pctl vs skew 73rd vs VIX calls 28–34 — pricing power in convexity/skew, not ATM.
2. Oil level vs tails. Spot near highs; OVX half March; wing below 1Y avg. Flip prolonged→severe disruption reprices OVX/wing faster than spot alone.
3. Micro residual. QQQ–SPX 3.6% + VIXEQ–VIX ~17%: July dislocation mostly closed. Re-open needs Tech idiosyncratic shock; further compression needs continued macro dominance.
4. Front bid vs absolute cheapness. 1Y–1M at 75th pctl after −0.6 pts, while full term structure at 1Y-range floor (p5). Event risk (FOMC 1.1%) tests whether front stays bid.
5. Bond/gold as hedges impaired. SPX–IBIG +52%, SPX–gold +45%. CDX and vol shape have the right sign this week.

Upstream / downstream

• Upstream of skew/VIX calls: Wednesday FOMC (90%), oil/ME, inflation path, MOVE persistence.
• Downstream: possible dealer short convexity in VIX tails/SPX puts if flow is customer-buy; higher crash-hedge cost into Oct/Nov; VVIX elevation (chart-read). Dealer gamma numbers not in file (External check needed).
• Downstream of subdued oil wings: gap risk if severe-disruption headline arrives without wing pre-charge.
• Research (not trade) problems: surface-shape (ATM vs skew vs VIX calls); oil-tail (spot vs OVX vs wing); micro residual (QQQ–SPX vs VIXEQ–VIX); cross-asset (MOVE 92nd vs SPX ATM 11th); portfolio construction (what diversifies equity when duration and gold co-move).

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SECOND AND THIRD-ORDER EFFECTS

Primary = source. Second/third = inference unless tagged.

Chain 1 — Macro uncertainty reopened hedging via skew and VIX calls, not ATM.
[Primary] OIS 58%→90%; MOVE +~10 to 92nd; VIX +1.3 to 15.8 (>half skew/convexity); skew 36th→73rd; 3 of 4 largest VIX trades YTD (>120k calls, 28–34 Oct/Nov); SPX ATM 12.4 / 11th (source).
→ [Second] Market buying shape and dated convexity into a known event (high-probability modal hike + left-tail path uncertainty).
→ [Third] Modal FOMC → skew/VIX-call premium mean-reverts faster than ATM rises. Path shock → ATM catches up; MOVE stays elevated.
→ [Relevance] Watch skew vs 73rd, VIX vs 15.8, Oct/Nov 28–34 flow, weekly realized vs ~1.1%. Hypothesis, not a trade.

Chain 2 — Oil spot priced prolonged conflict; OVX/wings have not priced severe disruption.
[Primary] Oil to 3-mo high near Mar/Apr; OVX +14 to 59% (half March); call wing below 1Y avg; USO +12.4 to 54.3, I–R +14 / 86th (source).
→ [Second] USO implied overshot trailing realized, but tails did not fully reprice. Sticky oil feeds inflation/FOMC (source link).
→ [Third] Oil–SPX −57%, oil–10Y +76%: oil spike reinforces risk-off equities and higher yields — feeds Chain 1’s failed-diversifier and MOVE bid.
→ [Relevance] Days: spot vs Mar/Apr highs; OVX vs 59%/March half; wing vs 1Y avg; USO I–R vs 86th. Wing reprice without spot move = severe-disruption tell. Hypothesis, not a trade.

Chain 3 — Micro/AI vol premium collapsed; macro dominates equity vol.
[Primary] VIXEQ −1.3 to 34.5%; VIXEQ–VIX halved 34%→~17%; QQQ–SPX 3.6% (from 13%); micro→macro shift (source).
→ [Second] Index AI-fear premium gone; ~17% single-stock residual is half the extreme.
→ [Third] Tech idiosyncratic shock re-opens QQQ–SPX and VIXEQ–VIX, may flatten SPX put skew. Macro shock: skew/VIX calls up, QQQ–SPX stays tight.
→ [Relevance] QQQ–SPX vs 3.6%; VIXEQ–VIX vs ~17%/34%; skew post-FOMC. QQQ–SPX back through 8–10 with skew falling = micro risk returned. Hypothesis, not a trade.

Chain 4 — Term structure flattened from the front; absolute vol still at 1Y-range lows.
[Primary] 1Y–1M 5.6%→5.0% (75th pctl); p5 curves at bottom of 1Y range (source).
→ [Second] Front bid real but small in absolute space — narrowed spread ~0.6 pts without lifting 1M off 11th pctl.
→ [Third] Post-FOMC: (a) front crushes → 1Y–1M re-widens, back stays bid on inflation path; (b) front stays bid/gaps → absolute vol leaves 1Y-range floor.
→ [Relevance] 1Y–1M vs 5.0%/75th; SPX 1M vs 12.4/11th. External companion Aug 31: 1Y–1M 96th, skew 20th — two-week delta is skew steepening + some front bid, not full surface reprice. Hypothesis, not a trade.

Chain 5 — Right-sign hedges this week: CDX and vol shape; gold and duration impaired.
[Primary] SPX–CDX IG −73%; SPX–IBIG +52%; SPX–10Y −47%; SPX–Gold +45%; SPX–Oil −57%; SPX–USDJPY −64% (source).
→ [Second] 60/40 and gold-as-equity-diversifier have wrong sign in this 1M window. CDX and vol shape printed the hedge demand.
→ [Third] If gold–SPX collapses toward 0 while gold–EUR stays ~75%, gold resumes FX/real-rate job without being an equity diversifier.
→ [Relevance] SPX–gold vs +45%; SPX–IBIG vs +52%; SPX–CDX IG vs −73%; SPX–Oil vs −57%. Hypothesis, not a trade.

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SCENARIO FRAMEWORK

Horizon: days–2 weeks (FOMC/oil); 1–2 months (skew/MOVE mean-reversion); 1–2 quarters (micro vs macro stickiness). Probabilities qualitative. Live spots/OIS = External check needed.

Base — "FOMC inside 90% box; skew fades; macro residual in MOVE and oil"

Probability: Medium-High as digest-implied event-week continuation (not a forecast).
Assumptions: Wednesday outcome inside 90% modal hike; ME stays "prolonged conflict" without severe-disruption flip; QQQ–SPX near 3.6%; no Tech blow-up; SPX ATM stays low-teens / low 1Y percentiles.
Vol path: Skew retreats from 73rd toward mid-pack; VIX softens toward mid-teens; 1Y–1M may re-widen if front crushes; MOVE off 92nd but above summer; OVX higher plateau without reclaiming March; UX2–UX1 contango.
Winners as exposures (not recs): event-vol warehouses; skew mean-reversion books; rates vol as macro expression.
Losers as exposures: far VIX call convexity (28–34) if path non-shocking; 60/40; gold-as-equity-hedge at +45% corr.
Leading indicators: OIS ~90% into meeting then collapsing appropriately; weekly realized vs ~1.1%; skew leaving 73rd down; VIX failing to hold above mid-teens; OVX stable near 59% without wing blowout.

Bull (risk assets / low-vol) — "Inflation/oil scare fades"

Probability: Low-Medium.
Assumptions: Inflation contained despite oil; ME de-escalates; hike less hawkish than 90% priced; MOVE leaves 92nd down; gold z-score mean-reverts from ~+2; VIXEQ–VIX bleeds below ~17%.
Vol path: Skew ≤50th; VIX softens; 1Y–1M compresses via back-end down; OVX/USO give back large share of +14/+12.4; IEF/LQD leave 86th–89th.
Winners as exposures: duration and equities if SPX–IBIG corr falls; credit; structured vol supply.
Losers as exposures: long MOVE / long SPX skew / long VIX-call convexity into the scare; USO I–R 86th; EWZ 97th/98th.
Leading indicators: MOVE down from 92nd; OVX down from 59% with wing still subdued; SPX–Oil less inverse than −57%; SPX–IBIG toward 0; QQQ–SPX ≤3.6% without stress.

Bear (risk assets / low-vol) — "Path shock or severe oil disruption"

Probability: Medium as left-tail; Low-Medium as base path. Triggers in-file: (i) FOMC path outside 90% box; (ii) oil flip prolonged→severe disruption.
Assumptions: Hawkish path shock or credibility break or ME escalation repricing oil tails; skew holds ≥70th post-event; MOVE near/above 92nd; Oct/Nov 28–34 VIX calls remain the visible convexity bid.
Vol path: SPX ATM leaves 11th pctl; VIX holds/gaps above mid-teens; 1Y–1M flattens from the front; UX2–UX1 compresses; OVX toward March-type levels; call wing through 1Y average; VVIX elevated (chart-read already ~90–100).
Winners as exposures: 1M SPX put convexity; VIX calls; CDX (−73% vs SPX); oil vol if disruption sticks; MOVE.
Losers as exposures: short-dated ATM shorts that ignored skew; 60/40; gold-as-equity-diversifier; HY cash if growth shock (RTY–IBHY +65%).
Leading indicators: SPX 1M leaving 12.4/11th; skew ≥70th after FOMC; OVX through 59% closing March gap; wing above 1Y avg; MOVE stuck ≥92nd; another >100k VIX call print.

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COMPANY / ASSET WATCHLIST

No ratings. No buy/sell. Metrics = digest pivots unless flagged.

SPX / VIX / VVIX / UX / VIX calls

• Thesis: Hedge demand in shape and tails, not ATM. VIX 15.8 (+1.3) (>half skew/convexity); SPX ATM 12.4 / 11th vs RV 9.4, VRP +3.0 / 63rd; skew 73rd (from 36th); 1Y–1M 5.0% / 75th; VIX calls 28–34 Oct/Nov (>120k / ~$12M). UX2–UX1 ~+1.5 contango (chart-read). VVIX ~90–100 (chart-read).
• Metrics: VIX vs 15.8; SPX 1M vs 12.4/11th; skew vs 73rd; 1Y–1M vs 5.0%/75th; UX sign; Oct/Nov 28–34 size; weekly move vs ~1.1%.
• Catalysts: Days (Wednesday FOMC); weeks (skew hold); quarter (micro vs macro).
• Risks: Mixing VIX with SPX ATM. Chart-read VVIX/UX/betas. Live = External check needed.

MOVE / TLT / IEF / OIS

• Thesis: Rates vol is the cleanest level macro expression. MOVE +~10 to 92nd; OIS 58%→90%; IEF 6.2 / 89th; TLT I–R still cheap (−0.6 / 19th).
• Metrics: MOVE vs 92nd; OIS vs 90%; IEF 6.2/89th; TLT 10.6; SPX–10Y vs −47%.
• Catalysts: Wednesday FOMC; inflation prints.
• Risks: Live OIS will move (External check needed). "MOVE 92nd therefore short duration" is not a recommendation in this memo.

OVX / USO / WTI call wing

• Thesis: Largest cross-asset vol jump (OVX +14 to 59%; USO +12.4 to 54.3), rich vs realized (I–R 86th), tails still subdued (wing below 1Y avg; OVX ~half March) despite spot near Mar/Apr highs. Oil–SPX −57%; oil–10Y +76%.
• Metrics: OVX vs 59%/March half; USO 54.3 / I–R +14/86th; 5d/25d wing vs 1Y avg; spot vs Mar/Apr / 3-mo high.
• Catalysts: Days–weeks (ME headlines). Highest-velocity geo falsifier.
• Risks: No printed WTI/Brent dollar in commentary (Exhibit 1 chart-read only). Live tape = External check needed.

QQQ / VIXEQ

• Thesis: Index AI-fear harvested. QQQ–SPX 3.6% (from 13%); VIXEQ–VIX ~17% (from 34%); VIXEQ 34.5 (−1.3); QQQ 17.4 / 13th, I–R +4.2 / 67th.
• Metrics: QQQ–SPX vs 3.6%; VIXEQ–VIX vs ~17%/34%; QQQ I–R sign.
• Catalysts: Next mega-cap/AI idiosyncratic; whether FOMC week keeps macro dominant.
• Risks: QQQ–SPX alone while VIXEQ–VIX residual ~17%. No single-stock names this week.

RTY

• Thesis: Low 1Y IV rank (17.6 / 12th) with VRP +4.1 / 67th. Tied to HY (+65%) and yields (−47%). Skew less bid than SPX (p5 unchanged vs 1w ago).
• Metrics: 17.6/12th; RTY–SPX ~5.2; RTY–IBHY 65%.
• Risks: Cheap 1Y IV ≠ low realized forecast.

SX5E / DAX / EFA / EWZ / FXI / EEM

• Thesis: Europe IV up (SX5E +1.7, DAX +1.8) with rich I–R (86th/79th). EFA −2.4 to 17th — not uniform. EWZ 40.6 / 97th / I–R 98th standout rich idiosyncratic. FXI still cheap (12th). EEM mid (48th).
• Metrics: SX5E/DAX I–R pctls; EWZ 40.6/+4.9/97th; FXI 19.6/12th; EFA −2.4.
• Risks: Basket vs single-country. No Brazil/China policy in file.

GLD

• Thesis: IV 22.7 (−1.2, 44th); RV 29.0; I–R −6.3 / 28th; z-score ~+2 chart-read. SPX corr +45% — co-moving with equity. Gold–EUR +75%.
• Metrics: IV 22.7; I–R −6.3/28th; SPX–gold +45%; z-score ~+2; gold–EUR 75%.
• Risks: Z-score chart-read. Equity-diversifier job (+45%) ≠ dollar/real-rate job (EUR +75%).

LQD / HYG / CDX

• Thesis: LQD IV 86th, I–R 32nd. HYG mid. CDX equity-hedge sign (−73%). Cash bonds equity-beta (IBIG +52%, IBHY +50%).
• Metrics: LQD 6.6/86th; HYG 3.9; SPX–CDX IG −73%; CDX IG–HY 97%.
• Risks: LQD IV percentile ≠ credit-spread view. Vol ≠ spread.

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DILIGENCE QUESTIONS & RESEARCH AGENDA

1. P0 — Wednesday FOMC: live OIS odds, statement/path, SPX weekly realized vs ~1.1%. Digest 90% is not live (External check needed). Modal path → Base; path shock → Bear.
2. P0 — SPX 1M put skew live vs 73rd pctl through the meeting. Confirm Exhibit 3 ~1.27 chart-read. Skew down before meeting = hedge front-run; hold/rise after = path uncertainty remains.
3. P0 — Oil: spot vs Mar/Apr highs; OVX vs 59%/March half; 5d/25d wing vs 1Y average. Horizon 24–72h on ME headlines.
4. P1 — VIX call flow: Oct/Nov 28–34 still bought in size? Confirm OI; one customer vs many.
5. P1 — VIXEQ–VIX at ~17%: methodology and names concentration (mega-cap AI vs broad).
6. P1 — MOVE 92nd pctl: lookback robustness; post-FOMC mean-reversion when odds leave 90%.
7. P2 — Dealer positioning behind skew/VIX calls. Gamma/0DTE/put-call = External check needed. Do not silently mix other desk SV memos.
8. P2 — Equity–gold +45%: 3M/1Y context. History shows large swings; is failed equity-diversifier structural or 1M only?
9. P2 — EWZ 97th/98th: Brazil-specific catalyst (not in digest).
10. P3 — Numeric 10Y z-scores (gold/oil/~0 cluster are chart-reads).
11. P3 — Two-week delta vs Aug 31 companion (External / other desk only): then skew 20th / 1Y–1M 96th / VIX 14.4; now skew 73rd / 1Y–1M 75th / VIX 15.8 — formalize without importing Aug 31 into source tables.
12. P3 — Spot-vol betas (VVIX/VIX ~4.0, SPX/VIX ~−2.5 to −3.0 chart-read). Need numeric extract before risk-model use.

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RISK ANALYSIS

Thesis risks
- Wrong surface. "VIX only 15.8" / "ATM 11th pctl" ignores skew 73rd, >half VIX move from skew/convexity, and largest VIX call prints YTD.
- Wrong oil read. OVX 59% ≠ March-style disruption (half March; wing below 1Y avg). Subdued tails ≠ permanent (source’s prolonged-vs-severe split).
- Wrong diversifier. Duration/gold as equity hedges contradict SPX–IBIG +52% and SPX–gold +45%. CDX and vol shape have the right sign.
- Wrong AI gauge. QQQ–SPX 3.6% ≠ single-stock vol done; VIXEQ–VIX ~17% is half of 34%, not zero.
- Mixing series. VIX ≠ SPX ATM ≠ OVX ≠ MOVE (bps).

Timing risks
- FOMC this week / Wednesday — skew, MOVE, VIX-call premium are event-week quantities; Monday memo can be stale by Thursday.
- Oil/ME is same-week headline risk; spot highs + subdued tails is unstable if headlines escalate.
- OIS 90% is pre-meeting; live odds = External check needed.

Execution / data risks
- Chart-reads (z-scores, VVIX, UX2–UX1, Exhibit 3 ratio, p5 skew ratios, betas, USDJPY ~10%, oil axis ticks) can be off by a point+.
- p5 "25-delta ratio" ≠ p1 "25d/50d" percentile construction — do not equate ~1.45 with ~1.27 without methodology check.
- 1Y percentiles include Mar–Apr 2026 oil/vol spike; "11th pctl" is cheap vs this year. 10Y z-scores (VIX ~0) are the cross-check.
- Cboe window/IV definition required for replication.
- Do not import Aug 31 table numbers into this memo’s source blocks.

External / regime risks
- FOMC path surprise beyond the 90% hike binary is Chain 1 Bear linchpin — macro premium migrating from skew/VIX calls/MOVE into SPX ATM and staying.
- Oil prolonged-conflict pricing with cheap tails is the source’s own instability.
- Corr regime can flip fast (SPX–gold, SPX–10Y history charts span wide ranges inside a year).
- Micro→macro can reverse on one Tech shock (QQQ–SPX / VIXEQ tells).
- Snapshot Mon 14 Sep 2026, not a 4Q outlook or Cboe forecast. Cboe disclaimer: sophisticated participants only; losses can exceed deposits. This memo does not recommend transacting in those products.

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APPENDIX — Chart-read / External check list

Chart-read (visual; not printed table values)

Item	Page	Estimate	Status
Exhibit 1 WTI Sep spike	p1	toward ~$90–$100	Unlabeled
Exhibit 3 25D/50D ratio level	p1	~1.16 → ~1.27	Unlabeled (36th→73rd pctls are source)
Exhibit 2 July peak	p1	~13–14%	Consistent with commentary 13%
Gold / Oil / VIX / MOVE / IG / FX 10Y z-scores	p2	~+2 / →~+2 / ~0 / ~−0.5–−1 / ~0 / ~−1	Unlabeled
MOVE / VIXIG / USDJPY on IV/RV panels	p2	~80–90 bps / ~20% / ~10%	Unlabeled
VVIX	p4	~90–100	Unlabeled
UX2–UX1	p4	~+1.5 (avg ~1.0)	Unlabeled
VVIX/VIX and SPX/VIX spot-vol betas	p4	~4.0 / ~−2.5 to −3.0	Unlabeled
p5 SPX/RTY/QQQ 25d skew ratios	p5	~1.45 / ~1.35 / ~1.30	Unlabeled
SPX / RTY 2Y vol	p5	~19% / ~21–22%	Unlabeled

External check needed

• Live OIS hike odds, VIX, SPX 1M ATM, OVX, MOVE, WTI/Brent
• Exact numeric 10Y z-scores; VVIX; UX2–UX1; spot-vol betas
• Dealer gamma / 0DTE / put-call behind hedging demand
• VIXEQ methodology / names at ~17% spread; COR1M (not printed this week)
• Brazil catalyst for EWZ 97th/98th; FOMC calendar confirm ("this week"/Wednesday)
• Aug 31 companion numbers only as labeled External / other desk delta

Source-printed anchors (do not overwrite)

• OVX 59% (+14); VIX 15.8 (+1.3); VIXEQ 34.5 (−1.3); VIXEQ–VIX ~17% (from 34% July)
• QQQ–SPX 3.6% (from 13% July); skew 36th→73rd; 1Y–1M 5.6%→5.0% (75th)
• OIS 58%→90%; MOVE +~10 to 92nd; SPX weekly ~1.1%
• VIX trades: 3 of 4 largest YTD; >120k calls; ~$12M; strikes 28–34 Oct/Nov
• Full p4 table (§§26–28) and p3 matrix (§§19–24) as captured above

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Desk copy. Source-disciplined. Not a trade recommendation. Memo date: Monday 14 September 2026 (America/Toronto).

Desk copy · not a trade recommendation · Erica · 14 Sep 2026