• FLAG · News catalysts — file in Report inputs (overlay vacant)
• FLAG · X sentiment — file in Report inputs (overlay vacant)

SPX Institutional Options Analysis & Regime Shift / Positive Pin Report
Data Timestamp: 12:19:35 PM EST
SPX Spot: $7,738.29 (Δ: [MISSING: SPX change])
ES Futures: 7,754.50
Intraday Session Range: High: [MISSING: session high] | Low: [MISSING: session low]
Sources: Evolution T1 · Evolution T0/T1 · ES map ±4
Overlay: News catalysts; X sentiment vacant.

## 1. Executive Summary: Regime Flip Into Positive Gamma — Fade ES 7,756.25, Defend ES 7,751.25

**Regime Flip Into Positive Gamma — Fade ES 7,756.25, Defend ES 7,751.25**

- **Regime** Positive Gamma · **Net GEX** +5.50k · **Call GEX** +49.91k · **Put GEX** −44.41k
- **Call vol** 743,648 · **Put vol** 727,292 · **C/P vol** +1.02
- **Evolution** T0 8/19/26 10:32:18 → T1 8/19/26 12:19:35 · REGIME FLIP Short Gamma → Positive Gamma · Net GEX −28.15k → +5.50k (+33.65k)
- **Wall migration** Call 7710 → 7725  (+15) · Put 7750

Dealers are net long gamma. Hedging flow buys dips and sells rips, which dampens realized vol and pins toward large walls. First prints through a wall are not acceptance.

**MES bias (inventory):** fade into mapped walls until accepted. Overhead ES 7,756.25 ← SPX 7740 (Call wall). Support ES 7,751.25 ← SPX 7735 (Call wall · Put wall).

High-confluence inventory: ES 7,766.25 (SPX 7750, resistance); ES 7,751.25 (SPX 7735, pin); ES 7,741.25 (SPX 7725, support); ES 7,736.25 (SPX 7720, support).

## 2. Intraday Positioning Evolution Matrix

**SPX** · 19 AUG 26 0-DTE · T0 8/19/26 10:32:18 → T1 8/19/26 12:19:35
Spot 7,714.80 → 7,738.29 (+23.49) · Net GEX −28.15k → +5.50k (+33.65k)
Call vol Δ +440,223 · Put vol Δ +423,460 · C/P vol +1.00 → +1.02

| Strike | Call OI | Put OI | Call Vol | Put Vol | Net GEX | Δ Net GEX | Notes |
| ---: | ---: | ---: | ---: | ---: | ---: | ---: | --- |
| 7700 | 2,637 | 4,400 | 10,281 | 58,981 | −696.56 | +4.25k | ΔVOL, C VOL/OI, P VOL/OI |
| 7710 | 1,748 | 646 | 13,533 | 46,999 | +569.35 | −3.90k | ΔVOL, C VOL/OI, P VOL/OI |
| 7720 | 951 | 5,428 | 38,847 | 58,118 | −5.82k | −3.38k | ΔVOL, C VOL/OI, P VOL/OI, Put wall, Magnet |
| 7725 | 5,879 | 4,271 | 50,714 | 43,291 | +2.42k | +9.96k | ΔVOL, C VOL/OI, P VOL/OI, Call wall, Put wall |
| 7730 | 2,237 | 816 | 62,032 | 35,111 | +2.68k | +2.94k | ΔVOL, C VOL/OI, P VOL/OI, Call wall |
| 7735 | 1,976 | 3,316 | 67,976 | 23,806 | −2.69k | +326.34 | ΔVOL, C VOL/OI, P VOL/OI, Call wall, Put wall |
| 7740 | 1,717 | 604 | 74,464 | 16,137 | +2.29k | +2.51k | ΔVOL, C VOL/OI, P VOL/OI, Call wall |
| 7745 | 1,561 | 1,535 | 57,587 | 7,559 | +35.53 | +2.96k | ΔVOL, C VOL/OI, P VOL/OI, Put wall |
| 7750 | 4,447 | 3,907 | 86,832 | 7,566 | +941.56 | +8.79k | ΔVOL, C VOL/OI, Call wall, Put wall |
| 7760 | 2,144 | 487 | 52,231 | 1,625 | +1.85k | +1.60k | ΔVOL, C VOL/OI, P VOL/OI |

Flagged outside battleground:
| Strike | Call OI | Put OI | Call Vol | Put Vol | Net GEX | Δ Net GEX | Notes |
| ---: | ---: | ---: | ---: | ---: | ---: | ---: | --- |
| 7715 | 1,618 | 537 | 22,001 | 49,447 | +1.08k | −784.70 | ΔVOL, C VOL/OI, P VOL/OI |
| 7755 | 1,318 | 857 | 42,876 | 3,508 | +647.05 | +1.58k | ΔVOL, C VOL/OI, P VOL/OI |
| 7690 | 314 | 1,819 | 4,132 | 44,069 | −435.51 | +231.61 | C VOL/OI, P VOL/OI |
| 7705 | 1,039 | 1,097 | 7,623 | 35,206 | −7.04 | +594.53 | C VOL/OI, P VOL/OI |
| 7695 | 741 | 2,397 | 4,125 | 34,553 | −558.15 | +456.30 | C VOL/OI, P VOL/OI |
| 7680 | 221 | 1,827 | 1,655 | 35,122 | −287.90 | +143.38 | C VOL/OI, P VOL/OI |
| 7685 | 273 | 1,495 | 1,629 | 30,457 | −256.97 | +153.48 | C VOL/OI, P VOL/OI |
| 7765 | 1,529 | 486 | 27,625 | 756 | +845.84 | +874.44 | C VOL/OI, Flip |
| 7670 | 190 | 1,512 | 1,333 | 27,321 | −153.71 | +80.79 | C VOL/OI, P VOL/OI |
| 7675 | 332 | 2,041 | 1,132 | 27,757 | −268.10 | +136.36 | C VOL/OI, P VOL/OI |
| 7770 | 2,699 | 335 | 26,626 | 759 | +1.37k | +974.70 | C VOL/OI, P VOL/OI |
| 7660 | 117 | 1,880 | 296 | 20,990 | −172.82 | +71.34 | C VOL/OI, P VOL/OI |
| 7650 | 450 | 2,867 | 465 | 19,984 | −163.06 | +86.24 | P VOL/OI |
| 7775 | 4,151 | 408 | 20,364 | 355 | +1.49k | +1.06k | C VOL/OI |
| 7665 | 53 | 1,546 | 513 | 19,250 | −161.96 | +62.12 | C VOL/OI, P VOL/OI |
| 7655 | 113 | 1,219 | 331 | 15,312 | −81.92 | +36.69 | C VOL/OI, P VOL/OI |
| 7780 | 1,895 | 436 | 14,781 | 272 | +413.96 | +371.79 | C VOL/OI |
| 7645 | 30 | 2,071 | 209 | 11,423 | −128.84 | +45.09 | P VOL/OI |
| 7640 | 182 | 1,353 | 154 | 10,376 | −69.43 | +31.85 | P VOL/OI |
| 7635 | 105 | 889 | 65 | 8,864 | −42.80 | +19.01 | P VOL/OI |
| 7785 | 1,053 | 293 | 8,603 | 116 | +151.82 | +163.12 | C VOL/OI |
| 7790 | 1,461 | 216 | 7,708 | 107 | +187.09 | +151.93 | C VOL/OI |
| 7800 | 3,548 | 529 | 7,318 | 199 | +257.06 | +215.86 | C VOL/OI |
| 7625 | 162 | 2,790 | 45 | 5,912 | −122.08 | +48.08 | P VOL/OI |
| 7615 | 29 | 1,484 | 12 | 5,068 | −41.68 | +16.38 | P VOL/OI |
| 7840 | 671 | 26 | 3,768 | 28 | +20.98 | +12.97 | C VOL/OI |
| 7795 | 1,420 | 128 | 4,109 | 78 | +176.12 | +121.92 | C VOL/OI |
| 7820 | 746 | 65 | 2,494 | 34 | +41.26 | +26.78 | C VOL/OI |
| 7605 | 49 | 1,392 | 3 | 2,926 | −34.62 | +13.37 | P VOL/OI |
| 7810 | 632 | 124 | 3,017 | 29 | +25.72 | +33.83 | C VOL/OI |
| 7610 | 110 | 1,216 | 26 | 2,847 | −26.07 | +16.03 | P VOL/OI |
| 7815 | 767 | 95 | 2,136 | 16 | +45.43 | +30.97 | C VOL/OI |
| 7845 | 544 | 19 | 1,549 | 1 | +9.05 | +6.45 | C VOL/OI |

## 3. Gamma Regime & Key Levels (Walls)

**Overall Net GEX** +5.50k · **Positive Gamma** · expiry 19 AUG 26 · 0-DTE
Gamma flip 7765 · Magnet 7720 (−5.82k)
Intraday: call wall 7710 → 7725  (+15) · put wall 7750 · REGIME FLIP Short Gamma → Positive Gamma

**Call walls (resistance)**
| Rank | SPX | ES | Call GEX | Dist ES |
| ---: | ---: | ---: | ---: | ---: |
| 1 | 7725 | 7,741.25 | +9.24k | −13.25 |
| 2 | 7750 | 7,766.25 | +8.07k | +11.75 |
| 3 | 7730 | 7,746.25 | +4.17k | −8.25 |
| 4 | 7735 | 7,751.25 | +4.04k | −3.25 |
| 5 | 7740 | 7,756.25 | +3.56k | +1.75 |

**Put walls (support)**
| Rank | SPX | ES | Put GEX | Dist ES |
| ---: | ---: | ---: | ---: | ---: |
| 1 | 7750 | 7,766.25 | −7.13k | +11.75 |
| 2 | 7720 | 7,736.25 | −7.01k | −18.25 |
| 3 | 7725 | 7,741.25 | −6.82k | −13.25 |
| 4 | 7735 | 7,751.25 | −6.73k | −3.25 |
| 5 | 7745 | 7,761.25 | −3.16k | +6.75 |

**Hedging flow:** dealers fade. Sell rips into call-wall resistance, buy dips into put-wall support. Breakout is valid only on acceptance through the wall — not on the first tick.

**Vol/OI anomalies:** 7715 C 13.60× P 92.08×; 7710 C 7.74× P 72.75×; 7740 C 43.37× P 26.72×; 7730 C 27.73× P 43.03×; 7720 C 40.85× P 10.71×; 7745 C 36.89× P 4.92×.

## 4. Real-Time Sentiment & News Overlay

**Key news catalysts**
[MISSING: news catalysts — file in Report inputs]

**X / social sentiment ($SPX / ES / MES)**
[MISSING: X sentiment — file in Report inputs]

**Alignment with gamma**
Sentiment overlay vacant. Briefing is inventory-only. Positive Gamma still fades into ES 7,756.25 call-wall resistance and defends ES 7,751.25 put-wall support. Catalysts do not rewrite GEX.

## 5. ES/MES Technical Confluences

**ES** 7,754.50 · **SPX** 7,738.29 · **Quoted basis** ES − SPX = +16.21 · **Map basis** +16.21 · window ±4

**Technicals (ES)**
VWAP 7,751.50 · +1σ 7,765.00 · −1σ 7,738.00 · +2σ 7,778.50 · −2σ 7,724.50 · POC 7,750.00 · HVA-H 7,766.25 · HVA-L 7,741.50 · LVA-H 7,788.00 · LVA-L 7,718.00 · PDH 7,768.00 · PDL 7,708.50 · PDC 7,734.25

**SPX → ES (walls / magnet / flip)**
| SPX | ES | Type | Dist | Score | Zone |
| ---: | ---: | --- | ---: | ---: | --- |
| 7765 | 7,781.25 | Gamma flip | +26.75 | 1 | RESISTANCE |
| 7750 | 7,766.25 | Call wall · Put wall | +11.75 | HIGH | RESISTANCE |
| 7745 | 7,761.25 | Put wall | +6.75 | 1 | PIN |
| 7740 | 7,756.25 | Call wall | +1.75 | 0 | PIN |
| 7735 | 7,751.25 | Call wall · Put wall | −3.25 | HIGH | PIN |
| 7730 | 7,746.25 | Call wall | −8.25 | 1 | SUPPORT |
| 7725 | 7,741.25 | Call wall · Put wall | −13.25 | HIGH | SUPPORT |
| 7720 | 7,736.25 | Put wall · Magnet | −18.25 | HIGH | SUPPORT |

**High-probability zones (wall + ≥2 technicals)**
1. **ES 7,766.25** ← SPX 7750 · Call wall · Put wall · RESISTANCE · dist +11.75
   Fade into wall · breakout only on acceptance above. Aligns HVA-H, +1σ, PDH.
2. **ES 7,751.25** ← SPX 7735 · Call wall · Put wall · PIN · dist −3.25
   Pin / two-way inventory. Fade both sides until accepted outside the cluster. Aligns VWAP, POC.
3. **ES 7,741.25** ← SPX 7725 · Call wall · Put wall · SUPPORT · dist −13.25
   Fade into wall · breakdown only on acceptance below. Aligns HVA-L, −1σ.
4. **ES 7,736.25** ← SPX 7720 · Put wall · Magnet · SUPPORT · dist −18.25
   Fade into wall · breakdown only on acceptance below. Aligns −1σ, PDC.

## 6. Probability Matrix & Tactical Scenarios

Probabilities are mechanical: regime, wall proximity, confluence density, evolution flip / C/P vol. They are not forecasts.

| Scenario | Bias | Prob | Trigger | Invalidation |
| --- | --- | ---: | --- | --- |
| A Bearish | Fade into call wall | 15% | Reject ES 7,756.25 | Acceptance above ES 7,756.25 |
| B Bullish | Fade into put wall | 21% | Hold ES 7,751.25 | Acceptance below ES 7,751.25 |
| C Consolidation | Pin / two-way inventory | 64% | Hold the ES 7,751.25–ES 7,756.25 box · ES 7,756.25 | Acceptance outside the box |

**Drivers:** Positive Gamma tape (dealers fade) · Resistance 7,756.25 within 1.75 of ES last · Support 7,751.25 within 3.25 of ES last · Spot boxed between nearest walls · 4 high-confluence walls · Intraday flip Short → Positive · Spot +18.29 above magnet 7720

**A — Bearish**
Fade rips into ES 7,756.25. Target ES 7,756.25 then ES 7,751.25. First tick through the wall is not a short-gamma break — require acceptance.

**B — Bullish**
Fade dips into ES 7,751.25 (HIGH confluence). Target ES 7,756.25 then ES 7,756.25. Breakdown only on acceptance below the put wall.

**C — Consolidation**
Two-way inventory between ES 7,751.25 and ES 7,756.25. Pin risk into ES 7,756.25 / SPX magnet 7720. Positive Gamma raises consolidation weight. Fade extremes inside the box; do not chase through walls without acceptance.

## 7. SPX/MES Tactical Setups

**Entries**
- **Long fade:** ES 7,751.25 ← SPX 7735 (Call wall · Put wall, HIGH confluence). Trigger: hold / reject above the level. Matches MM dip-buying.
- **Short fade:** ES 7,756.25 ← SPX 7740 (Call wall). Trigger: reject / fail below the level. Matches MM fade.
- **Breakout (acceptance only):** above ES 7,756.25 toward ES 7,761.25 (SPX 7745); below ES 7,751.25 toward ES 7,746.25 (SPX 7730).
- **Highest-conviction inventory:** ES 7,766.25 (resistance, HIGH); ES 7,751.25 (pin, HIGH); ES 7,741.25 (support, HIGH).

**Targets**
- Mean-reversion: ES 7,756.25 pin · VWAP 7,751.50 · POC 7,750.00 · ES last 7,754.50.
- Extension: next gamma wall overhead ES 7,761.25 / underneath ES 7,746.25. Measured move = distance across the current wall box.

**Stops & invalidations**
- Fade long invalid: acceptance below ES 7,751.25 — next map is ES 7,746.25.
- Fade short invalid: acceptance above ES 7,756.25 — next map is ES 7,761.25.
- Tape invalid: mapped gamma flip ES 7,781.25 (SPX 7765) · session POC 7,750.00 breach.

**Risk (MES)**
Size 1–2 MES until the wall is accepted. Quarter-point tape. Do not average through a wall. Positive Gamma: patience for the fade. Short Gamma: do not fade size until inventory rebuilds. Confirmation = hold beyond the level, not the first tick.

_Dealer Gamma Desk · mechanical assembly from GEX Engine, Evolution, ES map. No forecast._