OI Structure analyzer · SPXSet

Structure v1.7.5 · Exp 2026-08-17 · Data 2026-08-17 12:59:21 ET · Generated 2026-08-17 09:00:13 ET · All times US Eastern (ET)
Spot
7,785.76
Base / Range
7700 · 7400–8000
Call OI (P1)
130,799
Put OI (P1)
167,709
P/C Ratio
1.282
Strikes P1 / sig / P2
119 / 77 / 261
Expected Move (pre-market) snapshot · observation
Center S* (SPX scale)
7,806.60
ES 7,802.75 · basis(ES−S*) -3.85
spx_session_cash · S* = SPX open (same-session cash); basis = ES − S*
ATM
7805
Straddle 28.80 · IV 12.3%
ATM IV = avg call/put chain iv at K nearest S* · CBOE options JSON · not VIX
SPX prior close
7,785.76
CBOE prev_close · chain px 7,785.76 · not band center
EM H · static / dynamic
S 100 / D 101 pt
Static @ prior 7,785.76 (σ 72.6) · Dynamic @ S* 7,806.60 (σ 72.8)
c=1.382 · VIX 14.81 (index · not ATM IV) · ATM K7805

Bands

MethodEM±LowerUpperNote
Straddle 28.80 7,777.80 7,835.40 S* ± ATM straddle
ATM IV 60.39 7,746.21 7,866.99 S* × (atm_iv/100) × sqrt(1/252) · t=1/252 · source: chain iv (CBOE JSON), not VIX
Exp 2026-08-17 · 2026-08-17 09:00:13 ET · S* on SPX scale · ES for discovery/basis only · observation only

Week-from-close · Roll 5d (risk)

Week-from-close
—
pre — · Fri · T=
pre ± next-Friday ATM straddle
Roll 5 NYSE days
—
· IV —
risk · not a ticket
Term comparison 0DTE · week · month
Same chain · Spot 7,785.76 · Same CBOE chain · 0DTE / week / month · Wall + Max Pain + ATM IV + 25Δ skew
Term Exp C-Wall P-Wall MaxPain ATM IV 25Δ Skew 25Δ P/C
0DTE / nearest 2026-08-17 7,900 7,545 7,755 12.5% 2.0 14.2/12.3
This week 2026-08-21 8,000 7,500 7,700 10.1% 1.3 10.9/9.6
This month 2026-08-24 8,000 7,600 7,700 9.1% 1.6 10.1/8.5
Term comparison · skew_25d = 25Δ put IV% − call IV% · not the same as P/C · observation only · 2026-08-17 09:00:14 ET
SPX term IV month ATM · IV30 · 0DTE spread
Chain ATM IV · DTE = calendar days ET to expiration · not the VIX strip · 0DTE slope = vol-point spread, not dIV/dT · Spot 7,785.76
Measure IV Algorithm Detail
0DTE ATM 12.51% nearest expiration ATM Exp 2026-08-17 · DTE -54 · K 7785
Month ATM 9.09% monthly OPEX ATM Exp 2026-08-24 · DTE -47 · K 7785
IV30 — linear_t IV1 + w*(IV2-IV1), w=(30-T1)/(T2-T1)
IV30 — variance_t v=IV^2*T interpolated; IV30=sqrt(v30/30)
0DTE − IV30 — spread vs linear_t vol points · IV_0DTE − IV30_linear_t
0DTE − IV30 — spread vs variance_t vol points · IV_0DTE − IV30_variance_t
0DTE − Month +3.42 spread vs month ATM vol points · IV_0DTE − month ATM
0DTE − Week +2.37 spread vs week ATM vol points · IV_0DTE − week ATM
0DTE 25Δ skew +1.96 strike slope put 14.22% / call 12.26% · 25Δ put IV − call IV
Bracket term_compare_fallback · short T— · long T— · VIX — · Display fallback from term_compare (run getspxoi for native iv_term) · 2026-08-17 09:00:14 ET
IV smile target + near window · Call / Put / mid % · exp 2026-08-17 · ATM K7785 12.5% · not a 3D surface

PART 1 — OI Structural Analysis

Influence hint (not a signal): mass near spot weighs more; far large OI matters less unless vol expands the splash. · EM H≈100pt (c=1.382 · σ72.6 · VIX 14.81 · vix) · spot 7,785.76 · near ≤0.5H · mid ≤H · far >H

Primary Walls

Call Wall 7900 · share 8.1% · +114pt · w=0.47 · far
Put Wall 7545 · share 7.0% · -241pt · w=0.29 · far

Max Pain / OI Pivot

Max Pain 7755 · -31pt · w=0.77 · near
OI Pivot 7545 · -241pt · w=0.29 · far
Max +Net 7900 (+114pt · w=0.47 · far) · Max −Net 7545 (-241pt · w=0.29 · far)
Expiration OI (full chain) · not on this report — re-run structure after 1.7.19 r1

OI Clusters (hint)

≥4 consecutive strikes · side OI ≥ max(1.5×median, threshold) — buffer zones, not primary walls. List notes: C-BAND / P-BAND.
Call: none
Put: none

OI Chain

Part 1 · click Strike / Call OI / Put OI / Net OI to sort (Note fixed)
Default: OI ≥ 1000 · total 119 / significant 77 / low OI 42 Significant ★★ High Low OI (when expanded)
Strike ↕ Call OI ↕ Put OI ↕ Net OI ↕ Note
7,400.0 189 1,104 -915
7,405.0 15 173 -158
7,410.0 63 634 -571
7,415.0 47 215 -168
7,420.0 62 415 -353
7,425.0 249 1,464 -1215
7,430.0 56 224 -168
7,435.0 17 70 -53
7,440.0 24 447 -423
7,445.0 7 436 -429
7,450.0 107 1,634 -1527
7,455.0 16 663 -647
7,460.0 93 569 -476
7,465.0 25 222 -197
7,470.0 73 388 -315
7,475.0 76 4,382 -4306
7,480.0 115 978 -863
7,485.0 30 189 -159
7,490.0 71 538 -467
7,495.0 13 1,666 -1653
7,500.0 1,168 5,846 -4678
7,505.0 32 394 -362
7,510.0 143 770 -627
7,515.0 1 801 -800
7,520.0 131 815 -684
7,525.0 1,185 5,522 -4337
7,530.0 140 679 -539
7,535.0 25 6,302 -6277 P-BAND
7,540.0 195 1,928 -1733 P-BAND
7,545.0 8 11,779 -11771 ① MAX PUT ▼ MAX -NET P-BAND ★★
7,550.0 867 9,684 -8817 ② 2nd PUT P-BAND
7,555.0 23 654 -631
7,560.0 111 788 -677
7,565.0 47 355 -308
7,570.0 132 359 -227
7,575.0 273 979 -706
7,580.0 199 541 -342
7,585.0 39 1,453 -1414
7,590.0 127 715 -588
7,595.0 24 1,113 -1089
7,600.0 903 4,078 -3175
7,605.0 15 600 -585
7,610.0 182 1,295 -1113 P-BAND
7,615.0 24 1,095 -1071 P-BAND
7,620.0 308 1,155 -847 P-BAND
7,625.0 479 5,435 -4956 P-BAND
7,630.0 85 1,859 -1774 P-BAND
7,635.0 23 6,932 -6909 P-BAND
7,640.0 337 2,044 -1707 P-BAND
7,645.0 67 2,312 -2245 P-BAND
7,650.0 537 9,357 -8820 ③ 3rd PUT P-BAND
7,655.0 245 1,006 -761
7,660.0 271 1,528 -1257 P-BAND
7,665.0 17 1,281 -1264 P-BAND
7,670.0 103 2,030 -1927 P-BAND
7,675.0 815 2,227 -1412 P-BAND
7,680.0 69 1,564 -1495 P-BAND
7,685.0 320 2,236 -1916 P-BAND
7,690.0 183 1,020 -837
7,695.0 105 983 -878
7,700.0 1,049 6,379 -5330
7,705.0 75 1,364 -1289
7,710.0 226 1,518 -1292
7,715.0 94 947 -853
7,720.0 264 1,962 -1698 P-BAND
7,725.0 2,616 2,369 +247 P-BAND
7,730.0 205 2,195 -1990 P-BAND
7,735.0 174 1,236 -1062 P-BAND
7,740.0 385 5,559 -5174 P-BAND
7,745.0 276 1,546 -1270 P-BAND
7,750.0 1,111 3,857 -2746 P-BAND
7,755.0 662 5,404 -4742 P-BAND
7,760.0 496 2,006 -1510 P-BAND
7,765.0 313 873 -560
7,770.0 804 1,003 -199
7,775.0 1,645 3,401 -1756 C-BAND
7,780.0 1,437 1,252 +185 C-BAND
7,785.0 2,093 1,209 +884 C-BAND
7,790.0 1,218 827 +391 C-BAND
7,795.0 1,237 533 +704 C-BAND
7,800.0 3,985 1,836 +2149 C-BAND
7,805.0 2,289 471 +1818 C-BAND
7,810.0 2,761 721 +2040 C-BAND
7,815.0 967 156 +811
7,820.0 1,607 116 +1491 C-BAND
7,825.0 2,972 151 +2821 C-BAND
7,830.0 1,420 66 +1354 C-BAND
7,835.0 1,217 81 +1136 C-BAND
7,840.0 1,401 63 +1338 C-BAND
7,845.0 1,403 25 +1378 C-BAND
7,850.0 10,101 92 +10009 ② 2nd CALL C-BAND ★★
7,855.0 2,687 27 +2660 C-BAND
7,860.0 1,811 255 +1556 C-BAND
7,865.0 1,240 8 +1232 C-BAND
7,870.0 1,140 96 +1044 C-BAND
7,875.0 6,318 12 +6306 C-BAND
7,880.0 2,453 13 +2440 C-BAND
7,885.0 1,540 8 +1532 C-BAND
7,890.0 4,178 9 +4169 C-BAND
7,895.0 1,439 5 +1434 C-BAND
7,900.0 10,546 16 +10530 ① MAX CALL ▲ MAX +NET C-BAND ★★
7,905.0 3,088 0 +3088 C-BAND
7,910.0 1,672 4 +1668 C-BAND
7,915.0 978 0 +978
7,920.0 1,024 90 +934
7,925.0 7,666 0 +7666
7,930.0 1,878 0 +1878
7,935.0 663 0 +663
7,940.0 4,061 1 +4060
7,945.0 266 0 +266
7,950.0 9,573 1 +9572 ③ 3rd CALL
7,955.0 530 0 +530
7,960.0 640 0 +640
7,965.0 484 0 +484
7,970.0 678 1 +677
7,975.0 814 0 +814
7,980.0 646 0 +646
7,990.0 479 0 +479
8,000.0 4,498 20 +4478
2026-08-17 SPX O 7,790.68 · H 7,790.68 · L 7,744.88 · C 7,745.06 prior C — VIX 15.19 prior — OHLC Ammo · chain not patched · SPX:ammo_eod · VIX:ammo_eod

PART 1 ADDITION — Options OI Matrix

Hide K Default: Call or Put > 1000 · OI/1000 · center group = 7700 Net+ Net− ★★ rank
Options OI
k 7500 7600 7700 7800 7900
C P C P C P C P C P
00 1.1 5.8 0.9 4.0 1.0 6.3 3.9 1.8 10.5 0.0
05 0.0 0.3 0.0 0.6 0.0 1.3 2.2 0.4 3.0 0
10 0.1 0.7 0.1 1.2 0.2 1.5 2.7 0.7 1.6 0.0
15 0.0 0.8 0.0 1.0 0.0 0.9 0.9 0.1 0.9 0
20 0.1 0.8 0.3 1.1 0.2 1.9 1.6 0.1 1.0 0.0
25 1.1 5.5 0.4 5.4 2.6 2.3 2.9 0.1 7.6 0
30 0.1 0.6 0.0 1.8 0.2 2.1 1.4 0.0 1.8 0
35 0.0 6.3 0.0 6.9 0.1 1.2 1.2 0.0 0.6 0
40 0.1 1.9 0.3 2.0 0.3 5.5 1.4 0.0 4.0 0.0
45 0.0 11.7 0.0 2.3 0.2 1.5 1.4 0.0 0.2 0
50 0.8 9.6 0.5 9.3 1.1 3.8 10.1 0.0 9.5 0.0
55 0.0 0.6 0.2 1.0 0.6 5.4 2.6 0.0 0.5 0
60 0.1 0.7 0.2 1.5 0.4 2.0 1.8 0.2 0.6 0
65 0.0 0.3 0.0 1.2 0.3 0.8 1.2 0.0 0.4 0
70 0.1 0.3 0.1 2.0 0.8 1.0 1.1 0.0 0.6 0.0
75 0.2 0.9 0.8 2.2 1.6 3.4 6.3 0.0 0.8 0
80 0.1 0.5 0.0 1.5 1.4 1.2 2.4 0.0 0.6 0
85 0.0 1.4 0.3 2.2 2.0 1.2 1.5 0.0 0 0
90 0.1 0.7 0.1 1.0 1.2 0.8 4.1 0.0 0.4 0
95 0.0 1.1 0.1 0.9 1.2 0.5 1.4 0.0 0 0

OI Net Matrix (C−P by strike · heat like Volume)

Hide K Cell = Call OI − Put OI (K) · green = net call · red = net put · default deeper = larger |net| · near-base = |net|×w(|K−base|), H=100pt (c=1.382·σ72.6 · VIX 14.81 · vix) Net+ Net−
OI Net (C−P)
k 7500 7600 7700 7800 7900
00 −4.6 −3.1 −5.3 +2.1 +10.5
05 −0.3 −0.5 −1.2 +1.8 +3.0
10 −0.6 −1.1 −1.2 +2.0 +1.6
15 −0.8 −1.0 −0.8 +0.8 +0.9
20 −0.6 −0.8 −1.6 +1.4 +0.9
25 −4.3 −4.9 +0.2 +2.8 +7.6
30 −0.5 −1.7 −1.9 +1.3 +1.8
35 −6.2 −6.9 −1.0 +1.1 +0.6
40 −1.7 −1.7 −5.1 +1.3 +4.0
45 −11.7 −2.2 −1.2 +1.3 +0.2
50 −8.8 −8.8 −2.7 +10.0 +9.5
55 −0.6 −0.7 −4.7 +2.6 +0.5
60 −0.6 −1.2 −1.5 +1.5 +0.6
65 −0.3 −1.2 −0.5 +1.2 +0.4
70 −0.2 −1.9 −0.1 +1.0 +0.6
75 −0.7 −1.4 −1.7 +6.3 +0.8
80 −0.3 −1.4 +0.1 +2.4 +0.6
85 −1.4 −1.9 +0.8 +1.5 0
90 −0.5 −0.8 +0.3 +4.1 +0.4
95 −1.0 −0.8 +0.7 +1.4 0

OI Total Matrix (C+P by strike · same heat modes)

Hide K Cell = Call OI + Put OI (K) · amber heat · deeper = larger total · independent Near-base · same EM H=100pt · base 7700
OI Total (C+P)
k 7500 7600 7700 7800 7900
00 7.0 4.9 7.4 5.8 10.5
05 0.4 0.6 1.4 2.7 3.0
10 0.9 1.4 1.7 3.4 1.6
15 0.8 1.1 1.0 1.1 0.9
20 0.9 1.4 2.2 1.7 1.1
25 6.7 5.9 4.9 3.1 7.6
30 0.8 1.9 2.4 1.4 1.8
35 6.3 6.9 1.4 1.2 0.6
40 2.1 2.3 5.9 1.4 4.0
45 11.7 2.3 1.8 1.4 0.2
50 10.5 9.8 4.9 10.1 9.5
55 0.6 1.2 6.0 2.7 0.5
60 0.8 1.7 2.5 2.0 0.6
65 0.4 1.2 1.1 1.2 0.4
70 0.4 2.1 1.8 1.2 0.6
75 1.2 3.0 5.0 6.3 0.8
80 0.7 1.6 2.6 2.4 0.6
85 1.4 2.5 3.3 1.5 0
90 0.8 1.2 2.0 4.1 0.4
95 1.1 1.0 1.7 1.4 0
OI Tape C/P in K · this pull · next listed expirations · this week · session + next NYSE days
Strikes Hide K Cells = Call / Put · unit K · session-day column = base, no fill · green / red = other columns vs that C+P · empty = ·
OI Tape
k 08-10 08-11 08-12 08-13 08-14 08-17 08-18 08-19 08-20 08-21
7300 ·/· ·/· ·/· ·/· ·/· ·/· ·/· ·/0.8 ·/3.8 6.1/29.5
7305 ·/· ·/· ·/· ·/· ·/· ·/· ·/· ·/0.4 ·/0.1 ·/0.4
7310 ·/· ·/· ·/· ·/· ·/· ·/· ·/· ·/0.2 ·/0.3 0.3/1.0
7315 ·/· ·/· ·/· ·/· ·/· ·/· ·/· ·/0.3 ·/0.1 ·/0.7
7320 ·/· ·/· ·/· ·/· ·/· ·/· ·/· ·/0.4 ·/0.3 0.1/0.9
7325 ·/· ·/· ·/· ·/· ·/· ·/· ·/· ·/0.5 ·/0.1 1.2/4.8
7330 ·/· ·/· ·/· ·/· ·/· ·/· ·/· ·/0.9 ·/0.1 0.1/1.2
7335 ·/· ·/· ·/· ·/· ·/· ·/· ·/· ·/· ·/0.3 ·/1.5
7340 ·/· ·/· ·/· ·/· ·/· ·/· ·/· ·/0.2 ·/· 0.1/1.5
7345 ·/· ·/· ·/· ·/· ·/· ·/· ·/· ·/· ·/· 0.1/0.9
7350 ·/· ·/· ·/· ·/· ·/· ·/· ·/· ·/0.2 ·/0.3 5.0/16.0
7355 ·/· ·/· ·/· ·/· ·/· ·/· ·/· ·/0.1 ·/· 0.2/0.7
7360 ·/· ·/· ·/· ·/· ·/· ·/· ·/· ·/0.2 ·/0.3 0.2/1.2
7365 ·/· ·/· ·/· ·/· ·/· ·/· ·/· ·/0.1 ·/0.6 ·/2.5
7370 ·/· ·/· ·/· ·/· ·/· ·/· ·/· ·/0.3 ·/0.1 0.2/1.6
7375 ·/· ·/· ·/· ·/· ·/· ·/· ·/· ·/0.3 ·/0.6 2.4/11.4
7380 ·/· ·/· ·/· ·/· ·/· ·/· ·/· ·/0.1 ·/0.1 0.3/4.1
7385 ·/· ·/· ·/· ·/· ·/· ·/· ·/· ·/0.1 ·/· 0.1/3.7
7390 ·/· ·/· ·/· ·/· ·/· ·/· ·/· ·/0.4 ·/0.2 0.4/1.0
7395 ·/· ·/· ·/· ·/· ·/· ·/· ·/· ·/0.2 ·/0.1 0.3/1.2
7400 0.1/3.9 ·/1.6 0.6/3.7 0.2/1.0 0.5/3.6 0.1/1.1 ·/0.8 0.1/3.1 ·/0.6 10.1/23.2
7405 ·/0.3 ·/· ·/0.2 ·/· ·/0.6 ·/0.1 ·/· ·/0.4 ·/0.1 0.3/1.3
7410 0.1/2.9 ·/0.1 ·/0.4 ·/0.2 ·/0.7 ·/0.6 ·/0.2 ·/0.2 ·/0.1 0.3/2.6
7415 ·/0.2 ·/· ·/0.2 ·/0.1 ·/0.4 ·/0.2 ·/1.5 ·/2.6 ·/0.1 0.1/1.5
7420 0.1/0.9 ·/0.1 ·/0.1 ·/0.2 0.1/0.5 ·/0.4 ·/0.2 ·/0.6 ·/0.3 0.7/0.9
7425 ·/0.4 ·/1.0 ·/1.8 ·/0.5 0.1/2.4 0.2/1.4 ·/5.2 ·/5.3 ·/0.1 1.7/3.8
7430 0.1/2.4 ·/0.2 ·/0.4 ·/0.3 0.1/0.9 ·/0.2 ·/0.1 ·/0.2 ·/0.3 0.7/1.9
7435 0.4/1.8 ·/0.1 ·/2.1 ·/0.4 ·/2.1 ·/· ·/0.1 ·/4.6 ·/0.3 0.2/2.8
7440 0.1/1.8 0.1/0.4 ·/0.5 ·/2.9 0.1/0.6 ·/0.4 ·/0.3 ·/0.4 ·/1.6 0.4/1.7
7445 ·/0.4 ·/0.4 ·/0.2 ·/0.3 0.5/1.1 ·/0.4 ·/2.3 ·/0.2 ·/0.1 0.2/1.7
7450 0.3/7.5 0.1/3.9 0.1/5.5 ·/1.8 1.0/3.3 0.1/1.6 0.1/0.4 ·/1.9 0.2/3.5 10.0/18.1
7455 0.2/1.4 ·/0.2 ·/0.5 ·/0.2 ·/0.5 ·/0.6 ·/0.1 ·/4.8 ·/0.1 0.3/5.5
7460 0.1/0.4 0.1/0.3 ·/6.6 0.2/0.3 0.2/0.6 ·/0.5 ·/0.4 ·/3.5 ·/3.6 0.7/4.2
7465 0.2/0.4 ·/0.2 ·/1.7 ·/0.6 ·/0.8 ·/0.2 ·/0.2 ·/3.2 ·/3.3 0.3/2.3
7470 ·/0.5 0.1/0.3 ·/0.5 ·/0.2 0.1/3.2 ·/0.3 ·/0.2 ·/0.2 ·/0.7 0.6/4.5
7475 0.2/4.8 ·/7.0 1.8/4.1 0.1/9.6 0.1/0.7 ·/4.3 ·/1.0 ·/2.1 ·/0.5 4.7/13.4
7480 0.2/2.0 0.3/0.4 0.1/0.3 ·/0.5 0.2/2.0 0.1/0.9 ·/0.5 ·/2.6 ·/2.9 7.1/3.4
7485 ·/0.3 0.1/4.2 ·/1.7 ·/0.2 0.1/0.5 ·/0.1 ·/0.2 ·/0.5 ·/7.7 0.3/3.8
7490 0.1/0.4 ·/0.4 0.1/0.3 ·/0.2 0.1/0.9 ·/0.5 ·/0.1 ·/0.8 ·/0.4 0.5/2.6
7495 ·/0.6 ·/0.3 ·/1.2 ·/0.2 0.1/0.5 ·/1.6 ·/0.3 ·/0.3 ·/4.2 0.5/4.3
7500 1.7/4.7 0.5/4.3 1.9/3.4 0.7/8.4 2.4/8.5 1.1/5.8 0.1/0.8 0.1/3.5 ·/3.8 40.6/52.4
7505 0.5/0.4 0.2/0.2 ·/0.4 ·/0.4 0.1/2.2 ·/0.3 ·/· ·/1.4 ·/0.6 0.4/2.0
7510 0.3/0.5 0.1/0.3 ·/0.4 0.3/2.9 0.3/1.2 0.1/0.7 ·/2.4 ·/1.1 ·/0.7 1.0/3.8
7515 0.3/0.4 ·/0.2 ·/0.4 ·/0.4 0.3/1.5 ·/0.8 ·/0.2 ·/4.1 ·/0.5 0.4/15.9
7520 0.3/0.5 0.2/0.6 ·/3.4 ·/0.4 0.5/2.2 0.1/0.8 ·/0.4 ·/1.1 ·/1.0 1.6/16.5
7525 1.0/2.1 0.1/0.9 0.1/3.0 0.6/0.6 0.9/14.5 1.1/5.5 ·/2.6 ·/6.3 ·/0.6 3.6/9.1
7530 0.1/3.4 0.1/0.5 ·/2.7 3.1/0.5 0.3/4.2 0.1/0.6 ·/0.6 0.5/1.2 0.1/0.6 1.0/3.2
7535 0.2/2.0 0.2/0.2 ·/2.1 ·/0.4 0.5/2.2 ·/6.3 ·/10.2 ·/4.8 ·/0.7 1.3/3.0
7540 0.1/4.0 ·/0.3 1.0/4.6 0.3/0.4 0.9/1.5 0.1/1.9 ·/2.2 ·/0.7 ·/2.0 1.4/3.3
7545 0.1/1.7 ·/0.2 0.1/0.5 ·/0.5 ·/1.9 ·/11.7 ·/5.6 ·/5.9 ·/1.5 1.6/3.8
7550 0.5/11.4 0.9/4.9 0.1/6.7 2.8/5.3 4.2/7.4 0.8/9.6 0.3/3.8 0.1/2.8 0.1/3.7 19.3/25.1
7555 0.1/0.4 0.1/0.4 0.3/1.3 0.5/0.7 0.1/0.5 ·/0.6 ·/0.4 0.5/2.1 ·/2.3 2.1/3.1
7560 0.3/1.5 0.1/0.6 0.1/6.3 0.3/2.1 0.3/0.8 0.1/0.7 0.1/0.1 0.1/1.6 ·/1.6 1.5/3.9
7565 0.2/0.6 0.1/0.3 0.2/2.6 0.1/0.2 0.1/2.7 ·/0.3 ·/0.6 ·/5.0 ·/4.0 0.7/2.5
7570 0.3/2.6 0.1/0.4 0.2/0.7 0.1/0.5 0.8/1.6 0.1/0.3 ·/0.5 ·/2.0 ·/4.2 1.1/2.2
7575 0.5/5.5 0.1/10.1 0.9/7.5 0.6/10.1 2.1/1.8 0.2/0.9 ·/2.3 ·/3.8 0.2/1.1 4.9/5.3
7580 0.7/1.3 0.1/0.6 0.2/1.2 0.2/1.8 2.0/2.3 0.1/0.5 ·/0.4 ·/2.0 0.1/0.7 1.7/3.0
7585 0.1/1.0 0.1/1.8 ·/1.3 ·/0.6 0.6/0.9 ·/1.4 ·/0.7 ·/1.5 ·/10.6 1.0/2.7
7590 0.4/0.7 ·/1.0 0.3/1.3 ·/1.3 1.0/3.2 0.1/0.7 ·/3.0 ·/1.6 ·/1.3 0.8/9.4
7595 0.1/0.9 ·/0.3 ·/2.6 ·/0.8 0.5/1.4 ·/1.1 ·/1.2 ·/2.0 ·/1.4 1.7/3.5
7600 1.0/6.7 0.5/4.4 0.5/5.2 0.5/10.9 3.1/5.8 0.9/4.0 0.3/1.9 1.0/7.5 0.2/3.1 23.8/26.5
7605 0.1/0.6 ·/2.5 ·/0.7 ·/0.4 0.2/1.5 ·/0.6 ·/0.7 ·/1.3 0.1/1.5 0.4/2.4
7610 0.8/1.7 0.1/0.4 0.3/2.8 0.3/1.0 0.7/2.6 0.1/1.2 ·/1.1 0.1/1.2 ·/1.6 1.6/3.3
7615 0.2/1.2 ·/0.3 0.1/2.6 ·/1.3 0.6/1.8 ·/1.0 ·/0.8 ·/1.4 ·/1.0 0.6/2.0
7620 0.6/2.2 0.3/0.9 0.4/1.7 0.3/1.3 0.8/4.6 0.3/1.1 ·/0.4 ·/4.5 ·/3.4 1.1/3.7
7625 1.2/2.0 0.2/1.5 0.3/2.9 0.1/3.1 1.3/13.8 0.4/5.4 ·/2.2 0.1/2.7 0.1/2.8 3.5/5.7
7630 0.5/1.9 0.2/0.7 0.3/3.0 0.1/1.2 0.3/1.4 ·/1.8 ·/1.4 0.1/4.7 0.1/1.6 1.3/3.7
7635 0.1/1.0 0.1/0.8 0.1/1.1 ·/0.9 0.2/3.7 ·/6.9 ·/15.9 0.1/0.8 ·/2.3 2.2/2.7
7640 0.9/1.1 0.2/0.8 0.1/2.3 0.2/1.5 0.9/2.7 0.3/2.0 ·/0.7 0.1/1.3 0.1/1.9 1.9/7.7
7645 0.1/3.1 ·/2.1 ·/3.2 ·/1.0 0.3/1.1 ·/2.3 ·/0.5 ·/2.0 ·/4.2 1.1/2.7
7650 1.3/5.1 0.7/3.4 1.2/7.4 0.3/3.9 2.2/8.1 0.5/9.3 0.1/5.4 0.4/2.8 0.6/4.7 11.1/14.8
7655 ·/1.2 ·/0.9 0.1/0.9 ·/1.5 0.3/1.4 0.2/1.0 ·/1.4 0.1/1.2 ·/1.2 1.4/2.1
7660 0.8/1.7 0.4/1.8 0.3/1.6 0.4/2.4 0.3/1.4 0.2/1.5 0.1/1.8 0.1/1.8 0.3/2.4 2.9/2.1
7665 0.2/0.6 ·/1.0 0.1/1.0 ·/1.3 ·/3.4 ·/1.2 ·/1.3 ·/1.5 0.1/1.6 1.9/3.3
7670 0.5/2.9 0.2/1.5 0.3/2.7 0.3/2.2 0.4/1.6 0.1/2.0 0.1/1.5 0.1/1.5 0.1/1.6 2.9/2.9
7675 1.5/2.8 0.2/2.2 0.9/3.9 0.6/2.9 1.2/5.2 0.8/2.2 0.1/2.1 0.3/2.0 0.2/2.9 5.1/4.9
7680 0.4/1.8 0.3/1.2 0.1/1.3 0.4/1.4 0.6/1.9 ·/1.5 0.1/1.6 0.2/1.8 0.1/1.6 3.2/2.9
7685 ·/1.0 0.1/1.0 ·/1.4 ·/1.6 0.1/4.1 0.3/2.2 ·/1.6 0.2/1.4 0.1/1.4 3.5/4.6
7690 0.9/1.1 0.1/1.4 0.2/2.8 0.2/1.6 0.4/1.9 0.1/1.0 0.1/1.5 0.3/1.8 0.2/1.5 3.3/2.0
7695 ·/1.3 0.1/3.1 0.1/1.2 0.2/1.8 0.1/2.9 0.1/0.9 ·/1.6 0.7/2.3 0.4/1.9 2.6/2.7
7700 1.5/2.4 1.2/5.9 1.1/4.2 0.9/4.2 2.9/6.7 1.0/6.3 0.5/3.9 2.6/4.4 1.4/3.3 28.3/21.5
7705 0.4/0.7 0.2/2.0 0.1/0.7 ·/1.5 0.1/1.1 ·/1.3 0.1/1.1 1.0/1.0 0.5/1.3 2.2/1.8
7710 0.9/1.3 0.5/1.7 0.3/1.2 0.3/2.0 0.9/2.3 0.2/1.5 0.1/2.4 1.7/0.6 0.9/1.2 3.1/2.2
7715 0.2/1.6 0.1/2.9 0.2/0.7 0.2/2.8 0.2/2.1 ·/0.9 0.1/1.6 1.6/0.5 0.9/1.1 4.9/2.0
7720 1.0/1.6 0.3/1.6 0.5/1.0 0.2/1.2 0.7/1.6 0.2/1.9 0.1/1.9 0.9/5.4 0.7/0.8 4.6/2.0
7725 1.4/1.1 0.3/2.1 1.6/2.3 0.6/2.8 2.6/4.5 2.6/2.3 0.3/2.9 5.8/4.2 1.4/0.9 7.4/5.5
7730 0.8/1.1 0.3/1.2 1.0/1.6 0.3/1.3 0.8/1.8 0.2/2.1 0.6/1.8 2.2/0.8 1.1/0.7 4.5/1.4
7735 0.5/0.5 0.5/1.2 1.0/0.8 0.3/1.0 0.5/1.9 0.1/1.2 0.3/1.3 1.9/3.3 1.0/0.6 4.2/1.1
7740 0.6/0.7 0.7/1.1 0.9/0.6 0.7/0.9 0.9/2.1 0.3/5.5 0.4/1.5 1.7/0.6 2.4/0.7 4.5/2.4
7745 0.6/0.7 0.7/1.3 1.0/0.6 0.8/1.1 2.2/3.2 0.2/1.5 0.6/1.2 1.5/1.5 2.0/0.3 2.7/1.3
7750 3.0/2.6 2.5/2.2 1.9/1.2 3.1/2.0 4.7/6.2 1.1/3.8 1.4/3.3 4.4/3.9 2.5/2.0 22.9/14.0
7755 1.1/0.8 1.1/0.9 1.1/0.6 1.1/0.5 1.8/1.2 0.6/5.4 1.3/1.1 1.3/0.8 4.0/0.5 2.5/0.9
7760 0.9/0.4 1.6/0.7 1.7/0.9 1.7/0.4 1.4/2.7 0.4/2.0 1.1/1.3 2.1/0.4 5.0/0.2 5.0/1.0
7765 0.7/0.2 1.5/0.7 1.1/0.4 0.8/0.3 0.5/1.6 0.3/0.8 0.6/0.6 1.5/0.4 1.6/0.2 2.2/0.7
7770 1.0/0.2 1.2/0.4 1.3/0.3 1.0/0.2 1.0/1.9 0.8/1.0 1.3/1.3 2.6/0.3 3.0/0.3 4.9/2.2
7775 3.0/0.2 1.4/0.4 2.5/0.3 1.6/0.3 2.8/2.8 1.6/3.4 2.0/1.9 4.1/0.4 3.5/0.2 13.9/3.3
7780 1.9/0.1 3.0/0.1 3.3/0.2 2.6/0.1 1.7/1.5 1.4/1.2 2.3/0.7 1.8/0.4 2.1/0.3 5.4/1.5
7785 0.8/· 1.5/· 2.2/0.1 1.6/· 1.0/0.6 2.0/1.2 2.1/0.3 1.0/0.2 2.1/0.1 4.2/0.8
7790 1.6/0.2 1.2/0.1 1.3/0.2 2.0/0.1 6.3/1.5 1.2/0.8 1.6/0.3 1.4/0.2 1.2/0.2 4.0/0.7
7795 1.4/0.1 1.3/0.1 1.0/· 0.8/· 1.6/1.0 1.2/0.5 2.0/0.2 1.4/0.1 0.8/0.2 2.1/0.3
7800 5.7/0.5 3.2/0.3 6.2/0.5 6.3/0.5 8.3/3.4 3.9/1.8 3.3/1.4 3.5/0.5 3.3/0.2 30.2/16.3
7805 0.9/· 2.0/· 1.0/· 2.8/· 1.7/0.8 2.2/0.4 2.8/0.2 3.0/0.1 3.9/0.2 2.7/0.4
7810 3.0/· 2.5/· 7.1/· 1.8/· 7.6/0.4 2.7/0.7 2.1/0.2 0.6/0.1 1.7/· 6.7/0.4
7815 2.0/· 1.1/· 1.0/· 1.1/· 1.6/0.3 0.9/0.1 1.5/· 0.7/· 0.6/· 7.2/0.2
7820 3.3/· 2.3/· 4.2/· 2.9/· 3.4/0.3 1.6/0.1 1.9/0.1 0.7/· 0.9/· 4.1/0.4
7825 4.8/· 3.3/· 2.2/· 1.9/0.1 6.9/0.6 2.9/0.1 2.4/0.1 1.1/· 4.2/· 9.4/0.2
7830 1.6/· 2.7/· 1.2/· 2.8/· 5.0/0.1 1.4/· 2.7/0.1 1.4/· 1.2/· 2.7/0.2
7835 0.9/· 0.8/· 0.8/· 0.7/· 2.6/0.1 1.2/· 1.1/· 2.3/· 7.2/· 1.9/·
7840 1.6/· 1.1/· 2.5/· 1.0/· 2.9/· 1.4/· 1.5/0.1 0.6/· 1.1/· 1.6/0.1
7845 0.6/· 0.7/· 0.8/· 0.6/· 2.3/· 1.4/· 1.6/· 0.5/· 5.5/· 1.9/0.2
7850 5.2/· 2.8/· 5.6/0.1 1.7/· 5.8/0.1 10.1/· 2.8/0.1 7.2/· 3.0/· 8.4/0.3
7855 0.8/· 1.9/· 1.3/· 0.7/· 2.5/· 2.6/· 1.2/· 1.4/· 1.2/· 1.0/0.1
7860 0.8/· 0.6/· 1.3/· 0.8/· 3.5/0.2 1.8/0.2 0.9/0.2 1.1/0.2 1.8/0.3 3.0/·
7865 0.5/· 0.6/· 0.9/· 0.7/· 2.9/· 1.2/· 0.9/· 1.1/· 0.2/· 1.5/·
7870 0.6/· 0.4/· 0.9/· 0.9/· 3.2/· 1.1/· 1.2/· 1.6/· 0.4/· 3.1/·
7875 2.3/0.2 0.6/0.2 1.4/0.2 4.4/0.2 2.9/· 6.3/· 2.9/· 2.2/· 0.6/· 10.1/0.1
7880 0.6/· 1.0/· 1.1/· 1.0/· 3.6/· 2.4/· 1.7/· 2.1/· 0.4/· 6.8/·
7885 0.4/· 0.5/· 0.8/· 6.7/· 5.9/· 1.5/· 0.8/· 1.8/· 1.9/· 0.8/·
7890 1.0/· 0.3/· 5.6/· 0.5/· 6.3/· 4.1/· 2.9/· 0.7/· 0.8/· 4.3/·
7895 0.6/· 0.3/· 0.8/· 0.6/· 1.3/· 1.4/· 3.0/· 0.4/· 0.8/· 1.8/·
7900 2.6/· 5.8/· 5.9/· 8.8/· 12.7/0.1 10.5/· 7.7/· 1.3/· 5.6/· 18.8/0.4
7905 0.3/· 1.0/· 0.4/· 1.0/· 0.9/· 3.0/· 1.1/· ·/· ·/· ·/·
7910 1.7/· 0.5/· 3.2/· 0.7/· 2.2/· 1.6/· 1.7/· ·/· ·/· ·/·
7915 0.3/· 3.8/· 6.4/· 2.2/· 1.8/· 0.9/· 1.3/· ·/· ·/· ·/·
7920 0.2/· 1.9/· 4.5/· 4.4/· 1.6/· 1.0/· 0.5/· ·/· ·/· ·/·
7925 0.6/· 0.5/· 7.5/· 6.7/· 4.5/· 7.6/· 0.9/· ·/· ·/· ·/·
7930 0.5/· 1.7/· 0.5/· 1.3/· 2.3/· 1.8/· 0.4/· ·/· ·/· ·/·
7935 0.3/· 0.3/· 0.3/· 0.7/· 2.5/· 0.6/· 0.1/· ·/· ·/· ·/·
7940 0.2/· 0.3/· 0.3/· 1.0/· 4.1/· 4.0/· 0.6/· ·/· ·/· ·/·
7945 0.3/· 0.5/· 0.4/· 0.4/· 1.9/· 0.2/· 0.3/· ·/· ·/· ·/·
7950 0.6/· 0.6/· 7.5/· 3.0/· 6.3/0.1 9.5/· 1.2/· ·/· ·/· ·/·
7955 0.2/· 0.2/· 0.3/· 0.2/· 0.4/· 0.5/· 0.2/· ·/· ·/· ·/·
7960 0.2/· 0.2/· 0.6/· 0.5/· 2.0/· 0.6/· 1.2/· ·/· ·/· ·/·
7965 0.1/· 0.1/· 0.4/· 0.4/· 0.3/· 0.4/· 0.4/· ·/· ·/· ·/·
7970 0.3/· 0.4/· 3.1/· 0.8/· 1.2/· 0.6/· 0.6/· ·/· ·/· ·/·
7975 1.0/· 4.7/· 0.6/· 6.6/· 4.3/· 0.8/· 1.8/· ·/· ·/· ·/·
7980 0.1/· 0.1/· 0.2/· 0.1/· 3.3/· 0.6/· 0.7/· ·/· ·/· ·/·
7985 ·/· 0.1/· 0.5/· 0.1/· 1.7/· ·/· 0.8/· ·/· ·/· ·/·
7990 0.4/· 2.1/· 1.7/· 0.9/· 0.8/· 0.4/· 7.8/· ·/· ·/· ·/·
7995 ·/· ·/· ·/· ·/· ·/· ·/· ·/· ·/· ·/· ·/·
8000 4.4/· 7.5/· 8.1/· 7.1/· 9.6/2.7 4.4/· 2.9/· ·/· ·/· ·/·
ΔOI by strike vs prior structure session 2026-08-14 · grouped bars Call / Put ΔOI (K) · matrix window · zero line · expiration differs (prior 2026-08-14 vs 2026-08-17) — treat with care

PART 2 — GEX (full expiration chain)

Net GEX -1.92B · NEGATIVE gamma (trend/amplify bias)
GEX Call Wall 7800
GEX Put Wall 7755
Zero Gamma (Flip-A) 7480 · cum Net_GEX
Zero Gamma (Flip-B) n/a · no zero cross / needs re-run
Call strength 4.07× VERY STRONG · Put strength 2.54× STRONG
GEX profile target-exp full chain · series cropped to Part1 window · Flip-A = cum Net_GEX · unit B (proxy)
No GEX profile on this report — re-run structure after 1.7.19 r1

Copy-ready Key Levels

Spot 7785.76 | PutWall 7545 | CallWall 7900 | MaxPain 7755 | OIPivot 7545 | GEX-Put 7755 | GEX-Call 7800 | ZeroG 7480