Dealer Gamma Desk – Evolution Tracker

Snapshot pair

Same TOS / broker dump the GEX Engine reads. T0 earlier, T1 later.

T0Earlier print

SPX 0-DTE · 19 Aug 26 10:32

8/19/26 10:32:18 · SPX 7,714.80

50 strikes

→

T1Later print

SPX 0-DTE · 19 Aug 26 12:19

8/19/26 12:19:35 · SPX 7,738.29

50 strikes

Aligned 50 strikes · 19 AUG 26 · 0 DTE

Net GEX change

+33.65k

−28.15k → +5.50k

Short Gamma → Positive Gamma

Volume shift

+440,223 / +423,460

Call Δ / Put Δ

C/P +1.00 → +1.02

Largest Δ Net GEX

7725+9.96k

7710−3.90k

Max add / max drain

Wall migration

C 7710 → 7725 (+15)

P 7750

Primary call / put walls

Regime tape

Flip printed

Short Gamma

8/19/26 10:32:18 · 7,714.80

Flip

Positive Gamma

8/19/26 12:19:35 · 7,738.29

Δ Net GEX by strike

T1 minus T0 · green add · red drain

Positive Δ Net GEXNegative Δ Net GEXT1 spotFlagged flow

Flagged strikes

|Δ Vol| extreme or Vol/OI > 2×

Battleground · T0 vs T1

Top 8–10 levels by wall, flag, and |Δ Net GEX| near spot

10 levels

Strike	T0 Net	T1 Net	Δ Net	Δ C Vol	Δ P Vol	Δ C OI	Δ P OI	Vol/OI Δ	Flag
7700	−4.94k	−696.56	+4.25k	+5,757	+30,670	+369	+484	+4.53×	ΔVolVol/OI
7710	+4.47k	+569.35	−3.90k	+7,308	+23,499	+105	+90	+11.77×	Call wallΔVolVol/OI
7720	−2.45k	−5.82k	−3.38k	+20,200	+37,777	+86	+326	+8.67×	ΔVolVol/OI
7725	−7.54k	+2.42k	+9.96k	+25,864	+27,706	+294	+555	+4.91×	Call wallΔVolVol/OI
7730	−262.01	+2.68k	+2.94k	+31,016	+22,120	+268	+73	+15.59×	ΔVolVol/OI
7735	−3.01k	−2.69k	+326.34	+44,864	+14,760	+158	+166	+10.87×	ΔVolVol/OI
7740	−226.12	+2.29k	+2.51k	+48,402	+9,844	+69	+72	+24.19×	ATMΔVolVol/OI
7745	−2.92k	+35.53	+2.96k	+36,856	+4,535	+172	+123	+12.56×	ΔVolVol/OI
7750	−7.85k	+941.56	+8.79k	+54,704	+4,464	+311	+156	+6.83×	Put wallΔVolVol/OI
7760	+251.40	+1.85k	+1.60k	+31,861	+926	+214	+34	+11.63×	ΔVolVol/OI

Evolution matrix

Full aligned strike tape · same columns as the institutional report

									Flag
7660	+189	+12,594	+15	+188	+6.77	+64.57	+71.34	+5.92×	Vol/OI
7665	+323	+11,357	+5	+93	+3.39	+58.73	+62.12	+6.97×	Vol/OI
7670	+826	+15,846	+9	+197	+16.83	+63.96	+80.79	+8.83×	Vol/OI
7675	+691	+15,821	+40	+184	+26.52	+109.84	+136.36	+6.41×	Vol/OI
7680	+993	+19,668	+18	+91	+26.58	+116.80	+143.38	+9.65×	Vol/OI
7685	+961	+16,751	+11	+179	+39.63	+113.85	+153.48	+9.04×	Vol/OI
7690	+2,397	+23,797	+35	+146	+49.38	+182.23	+231.61	+11.32×	Vol/OI
7695	+2,351	+18,313	+52	+96	+162.74	+293.56	+456.30	+6.30×	Vol/OI
7700	+5,757	+30,670	+369	+484	+729.66	+3.52k	+4.25k	+4.53×	ΔVolVol/OI
7705	+4,193	+17,955	+104	+77	+369.25	+225.28	+594.53	+9.47×	Vol/OI
7710	+7,308	+23,499	+105	+90	−4.07k	+175.86	−3.90k	+11.77×	ΔVolVol/OI
7715	+11,661	+32,635	+210	+54	−975.04	+190.34	−784.70	+18.80×	ΔVolVol/OI
7720	+20,200	+37,777	+86	+326	+685.79	−4.06k	−3.38k	+8.67×	ΔVolVol/OI
7725	+25,864	+27,706	+294	+555	+7.58k	+2.39k	+9.96k	+4.91×	ΔVolVol/OI
7730	+31,016	+22,120	+268	+73	+2.42k	+521.87	+2.94k	+15.59×	ΔVolVol/OI
7735	+44,864	+14,760	+158	+166	+2.35k	−2.02k	+326.34	+10.87×	ΔVolVol/OI
7740	+48,402	+9,844	+69	+72	+2.07k	+446.54	+2.51k	+24.19×	ΔVolVol/OI
7745	+36,856	+4,535	+172	+123	+1.85k	+1.10k	+2.96k	+12.56×	ΔVolVol/OI
7750	+54,704	+4,464	+311	+156	+6.29k	+2.49k	+8.79k	+6.83×	ΔVolVol/OI
7755	+26,583	+2,035	+185	+94	+1.12k	+451.61	+1.58k	+11.96×	ΔVolVol/OI
7760	+31,861	+926	+214	+34	+1.40k	+197.24	+1.60k	+11.63×	ΔVolVol/OI
7765	+16,575	+423	+92	+68	+729.98	+144.46	+874.44	+7.95×	Vol/OI
7770	+15,709	+417	+351	+33	+905.84	+68.86	+974.70	+4.78×	Vol/OI
7775	+11,811	+192	+374	+24	+987.80	+75.10	+1.06k	+2.45×	Vol/OI
7780	+8,425	+144	+95	+57	+322.23	+49.56	+371.79	+3.48×	Vol/OI
7785	+4,818	+60	+126	+26	+134.87	+28.25	+163.12	+3.26×	Vol/OI
7790	+4,239	+55	+117	+11	+135.59	+16.34	+151.93	+2.39×	Vol/OI
7795	+2,219	+39	+57	+15	+114.48	+7.44	+121.92	+1.40×	Vol/OI
7800	+3,879	+131	+390	+42	+190.73	+25.13	+215.86	+0.88×	Vol/OI
7805	+1,481	+5	+215	+5	+144.91	+2.67	+147.58	+0.43×
7810	+1,539	+19	+88	+14	+26.71	+7.12	+33.83	+1.75×	Vol/OI
7815	+1,068	+10	+77	+7	+29.23	+1.74	+30.97	+1.12×	Vol/OI