Volume Rolling · SPXSet

EOD ΔVol Session 2026-08-28 · Exp 2026-08-28 · Spot 7,711.76 · Window 7645–7825 · Last slot C · Generated 2026-08-28 16:45:04 ET · ET · Data: SQLite · spx_intraday_2026-08-28.json
Volume incomplete Missing slots: P3 · past fetch gate +3m ET · no data (server skip or fetch fail) · empty cells marked below — not filled with zeros
Wall vs flow slot C · Call peak K7715 Δ46,145 vs wall K7840 away -125pt · Put peak K7710 Δ44,900 vs wall K7400 away +310pt · near ≤25pt · Part1 OI walls · not a new wall
Session path Spot · ΣΔVol (K) · VW K · full 15-slot grid · empty ≠ 0 · CBOE ~15m delay
Session vol VIX · ATM IV% · full 15-slot grid · empty ≠ 0 · IV axis ignores C
2026-08-28 SPX O 7,735.17 · H 7,771.48 · L 7,700.91 · C 7,711.76 prior C — VIX 14.43 prior — OHLC Ammo · chain not patched · SPX:ammo_eod · VIX:ammo_eod
SPX VIX ATM Rolling
· O T ½ E ½ N ½ 1 ½ 2 ½ 3 ½ C
SPX 7,735.177,741.487,727.397,768.147,767.417,728.067,714.467,717.307,708.557,713.287,708.88·7,712.677,711.76
VIX 14.4714.5414.3714.2214.1714.5914.7714.4914.6414.5214.58·14.4514.35
ATM 34.5033.3026.9020.5017.3023.4024.7020.7519.3015.0513.10·7.982.30
IV 20.620.617.513.812.317.820.018.218.316.116.2·16.539.8
Wk ··············

SPX · VIX · 0DTE ATM · IV% · Week ATM by slot · no heat map

ATM straddle dual Y · 0DTE left · Week right · full 15-slot grid · empty ≠ 0
ΔVol Cells = ΔVolume · unit K · Absolute K: 0 / <1 / 1–3 / 3–8 / 8–15 / ≥15 · blue bar = column max · edge trim ΣΔ < dynamic th (scales with slot columns; top/bottom only) · Strike high→low · CBOE ~15m delay
Volume Rolling
k O OC OP T TC TP ½ ½C ½P E EC EP ½ ½C ½P N NC NP ½ ½C ½P 1 1C 1P ½ ½C ½P 2 2C 2P ½ ½C ½P 3 3C 3P ½ ½C ½P C CC CP
25 0.30.30.01.41.40.00.60.50.01.31.20.01.21.20.00.80.800.10.10.00.50.40.00.10.100.00.00.00.20.20···0.10.10.00.00.00.0
20 0.40.403.53.50.01.31.30.01.01.00.01.21.20.01.11.10.00.90.900.90.90.00.50.50.00.10.10.00.20.20···0.10.10.00.00.00.0
15 0.20.202.02.00.02.02.00.01.41.40.01.31.30.01.41.40.00.60.60.01.01.000.10.10.00.30.300.30.30···0.80.800.00.00
10 0.60.60.04.54.50.02.62.60.02.22.20.03.02.80.12.22.10.01.81.80.00.80.80.00.80.800.80.80.00.20.20···0.50.50.00.00.00.0
05 0.40.40.03.43.30.02.62.60.02.52.50.03.33.30.02.32.30.01.51.50.00.40.400.30.30.00.20.200.30.30···0.60.60.00.00.00.0
78 1.51.50.07.77.60.06.46.30.08.68.50.112.011.40.59.48.50.92.52.50.00.90.90.01.91.80.00.60.60.00.60.60···1.11.00.10.00.00.0
95 1.81.80.09.89.70.03.93.90.05.55.30.18.58.10.35.05.00.03.33.20.00.90.90.00.30.300.40.400.50.50···0.20.20.00.00.00.0
90 2.32.30.011.611.60.08.48.30.19.18.90.111.911.30.69.69.40.23.02.90.01.51.50.02.02.00.00.90.90.00.70.70.0···1.01.00.00.00.00.0
85 0.90.90.05.75.50.16.36.20.09.28.90.311.610.70.98.68.40.24.44.40.01.51.40.02.01.90.00.20.20.00.40.40.0···1.41.40.00.00.00.0
80 1.11.10.05.95.60.29.69.40.114.614.10.414.513.01.513.412.90.55.15.10.02.22.10.11.71.70.00.70.60.00.60.60.0···2.02.00.00.00.00.0
75 1.41.30.06.76.60.110.19.90.216.015.20.715.513.32.215.914.90.94.24.10.03.03.00.04.24.00.20.80.80.00.90.80.0···1.51.50.00.00.00.0
70 1.41.30.06.56.10.311.310.70.520.718.91.825.116.68.521.017.73.37.06.70.22.32.20.03.13.00.10.90.90.01.21.10.1···2.52.40.10.40.40.0
65 0.70.60.03.73.40.38.47.90.417.213.63.525.713.012.721.915.46.46.86.40.32.72.50.23.33.20.10.70.70.01.00.90.0···2.01.90.10.10.10.0
60 0.70.70.04.84.40.410.510.00.521.316.64.722.710.012.624.715.59.110.710.00.63.83.60.24.94.70.12.12.00.12.01.80.1···2.31.80.40.40.30.1
55 0.70.50.212.812.00.811.110.30.718.913.25.614.04.19.827.017.49.69.08.20.74.94.70.13.33.10.21.51.40.01.61.50.0···2.52.30.10.60.60.0
50 1.20.80.317.915.92.016.514.42.126.616.510.017.14.212.836.722.114.620.417.92.512.711.51.19.59.00.49.47.02.33.62.90.6···6.45.60.72.81.90.9
45 1.20.90.38.86.12.713.110.82.216.39.07.310.12.08.122.47.914.511.49.71.68.87.90.96.46.00.43.02.60.32.82.50.3···4.74.40.21.41.30.1
40 1.51.00.514.58.36.218.512.46.121.09.511.411.92.19.826.67.419.214.111.03.112.611.21.310.09.01.07.37.00.35.85.20.5···6.86.20.63.02.40.5
35 1.90.90.99.53.75.716.38.97.413.86.07.77.20.76.417.84.313.415.29.75.59.47.61.79.18.11.07.26.80.36.76.30.3···10.610.20.34.33.90.3
30 1.20.40.76.82.24.620.68.811.716.15.410.67.81.26.518.93.515.321.412.48.915.012.32.613.511.32.111.110.11.09.58.70.7···14.112.91.211.911.00.9
25 0.80.20.53.90.83.016.05.910.112.02.79.36.10.65.517.52.115.320.47.512.913.49.53.812.610.02.59.88.11.611.09.61.4···21.419.22.117.715.71.9
20 0.70.10.55.50.84.716.43.912.413.31.711.55.80.45.417.11.116.021.46.215.220.310.59.714.910.93.916.113.03.114.110.83.2···36.431.25.242.937.55.4
15 0.50.00.43.10.32.79.31.67.79.00.68.43.80.03.713.40.413.016.93.513.416.34.711.511.67.73.816.411.35.018.310.08.2···40.932.58.461.446.115.3
10 0.40.00.33.60.33.39.80.89.07.70.47.23.40.13.38.90.38.514.51.812.612.02.99.119.810.59.321.210.910.221.08.212.8···56.431.724.767.322.444.9
05 0.40.00.42.90.12.77.70.76.95.10.34.72.90.32.67.80.27.59.90.89.17.10.76.318.76.811.814.64.310.312.33.58.8···47.118.728.339.85.734.1
77 1.00.00.95.50.74.814.51.113.410.00.79.24.30.14.116.50.815.621.51.719.816.81.315.424.13.420.718.82.616.117.91.915.9···52.810.941.828.23.224.9
95 0.80.00.73.00.12.86.40.36.14.80.14.71.70.01.67.10.17.010.20.39.86.60.65.910.41.09.48.21.07.28.30.67.6···24.52.122.49.10.78.4
90 0.60.00.63.00.02.97.90.27.65.80.25.51.90.01.86.70.26.511.30.410.89.60.39.311.00.810.29.90.59.37.70.37.4···22.12.219.96.00.35.7
85 1.00.01.02.20.12.16.50.26.33.70.13.61.80.01.85.20.05.29.40.39.15.50.25.311.20.410.78.70.28.44.20.23.9···16.60.715.94.20.23.9
80 1.00.01.03.50.13.37.80.27.55.50.25.31.30.01.34.30.04.28.70.38.37.90.27.69.70.39.38.30.28.14.40.34.0···12.20.611.61.70.11.5
75 1.10.01.12.90.02.911.60.211.34.70.14.51.40.01.44.70.04.79.50.19.46.00.15.87.00.26.75.50.15.32.70.12.6···11.40.211.21.90.01.9
70 0.80.00.82.80.02.76.00.15.83.70.03.61.10.01.02.90.02.96.80.16.63.90.13.76.30.26.14.50.14.42.40.02.4···3.80.13.70.80.00.7
65 0.60.00.63.70.03.711.10.111.02.20.12.10.90.00.93.50.03.56.20.16.17.20.17.04.40.34.12.80.02.71.00.01.0···2.70.02.60.10.00.1
60 0.90.00.94.10.04.113.00.112.82.80.02.81.40.01.42.80.02.85.10.05.03.50.23.34.60.14.43.00.03.00.70.00.7···2.60.02.50.20.00.2
55 0.60.00.51.60.01.63.80.13.71.70.01.60.70.00.71.80.01.83.90.03.81.80.01.82.50.02.42.00.01.90.70.00.7···2.10.02.10.10.00.1
50 1.20.01.24.10.04.14.90.04.83.20.03.11.50.01.52.80.02.73.90.03.82.30.12.14.80.14.72.40.02.41.40.01.4···2.00.11.90.10.00.0
45 0.600.61.70.01.62.90.02.82.20.02.10.50.00.51.20.01.22.50.02.41.80.01.82.50.02.41.30.01.20.50.00.4···0.50.00.50.00.00.0

Volume Stock by slot

Session cumulative volume at each slot (not Δ) · unit K · same window as ΔVol. Total = all sides · C/P = call & put side-by-side. OI-by-slot removed (intraday OI typically flat on free chain).
Vol stock Cells = cum volume · unit K · strike high→low
Volume Stock
k O OC OP T TC TP ½ ½C ½P E EC EP ½ ½C ½P N NC NP ½ ½C ½P 1 1C 1P ½ ½C ½P 2 2C 2P ½ ½C ½P 3 3C 3P ½ ½C ½P C CC CP
25 0.30.30.01.71.70.02.32.30.03.63.60.04.94.80.05.85.70.06.05.90.06.56.40.16.66.50.16.76.60.16.96.80.1···7.16.90.17.16.90.1
20 0.40.403.93.90.05.35.30.06.46.30.07.67.60.08.88.70.19.79.60.110.610.50.111.211.00.111.311.20.111.611.50.1···11.711.60.111.711.60.1
15 0.20.202.32.30.04.34.30.05.85.80.07.27.10.08.78.60.09.39.20.010.310.20.010.510.40.010.910.80.011.211.10.0···12.011.90.012.012.00.0
10 0.60.60.05.15.10.07.87.80.010.110.00.013.112.90.115.315.10.117.217.00.118.017.80.218.918.70.219.719.50.220.019.70.2···20.520.20.220.520.20.2
05 0.40.40.03.83.80.06.56.50.09.19.00.012.512.40.014.814.80.016.416.30.016.816.80.017.217.10.017.517.40.017.817.80.0···18.518.40.118.518.40.1
78 1.51.50.09.39.20.015.715.50.124.324.10.236.335.50.745.844.01.748.446.61.849.347.51.851.249.31.851.950.01.952.650.61.9···53.851.72.053.951.82.1
95 1.81.80.011.611.60.015.615.50.121.120.90.229.629.00.634.734.00.638.037.30.738.938.20.739.338.60.739.839.10.740.339.60.7···40.639.90.740.639.90.7
90 2.32.30.014.013.90.022.422.20.231.631.20.443.642.51.053.252.01.256.254.91.257.856.51.259.958.61.360.859.51.361.660.31.3···62.661.31.362.661.31.3
85 0.90.90.06.76.50.113.012.80.222.321.70.533.932.41.442.640.81.747.145.31.748.646.81.750.648.81.850.849.01.851.249.41.8···52.750.91.852.750.91.8
80 1.11.10.07.06.80.216.716.20.431.330.30.945.943.32.559.456.33.064.561.43.166.863.53.368.665.23.369.365.93.369.966.53.4···72.068.63.472.068.63.4
75 1.41.30.08.27.90.218.417.90.434.433.11.249.946.53.465.961.44.470.165.54.573.168.54.577.472.64.778.273.44.879.274.34.8···80.875.94.980.875.94.9
70 1.41.30.07.97.50.419.218.30.940.037.22.865.153.811.386.271.514.693.278.314.995.580.515.098.783.515.199.784.515.2100.985.615.3···103.588.115.4104.088.515.4
65 0.70.60.04.44.00.312.812.00.730.025.74.355.838.717.077.754.223.584.560.723.887.363.224.090.666.424.191.467.224.292.468.124.2···94.570.124.394.670.224.4
60 0.70.70.05.65.10.416.215.11.037.531.85.760.341.818.485.057.427.595.767.428.299.671.028.5104.575.828.7106.777.828.8108.779.729.0···111.081.529.5111.581.829.6
55 0.70.50.213.612.61.024.723.01.743.736.27.457.740.417.284.757.926.893.766.127.698.770.827.8102.174.028.0103.675.528.0105.277.028.1···107.879.428.3108.480.128.3
50 1.20.80.319.116.82.335.731.24.462.347.814.579.552.027.4116.274.142.0136.792.144.5149.4103.645.7158.9112.746.2168.4119.848.5172.1122.849.2···178.5128.550.0181.4130.450.9
45 1.20.90.310.17.03.023.217.95.239.526.912.649.728.920.772.136.935.283.646.636.992.454.637.898.960.638.2101.963.338.6104.865.839.0···109.570.339.2111.071.639.3
40 1.51.00.516.19.36.834.721.713.055.731.224.567.733.434.394.440.853.5108.651.856.7121.263.158.1131.372.159.1138.779.259.4144.584.560.0···151.490.760.6154.493.261.2
35 1.90.90.911.44.76.627.813.614.141.619.721.948.820.428.366.624.841.881.934.547.391.442.249.1100.550.450.1107.857.250.5114.563.650.9···125.173.951.2129.577.851.6
30 1.20.40.78.02.65.428.711.517.244.816.927.952.618.234.471.621.749.893.034.258.8108.046.561.4121.557.963.5132.768.064.6142.276.865.4···156.389.766.6168.3100.767.5
25 0.80.20.54.71.13.620.87.013.732.89.723.038.910.328.656.512.543.976.920.056.990.329.560.8102.939.663.3112.847.865.0123.857.466.4···145.376.768.5163.092.570.5
20 0.70.10.56.30.95.322.74.917.836.16.729.341.97.134.759.18.350.880.614.566.1100.925.075.8115.936.079.8132.149.083.0146.259.986.3···182.691.191.5225.6128.697.0
15 0.50.00.43.70.43.213.12.011.022.12.619.526.02.723.239.53.136.356.46.749.772.711.461.284.419.265.1100.830.670.2119.140.778.4···160.173.286.9221.6119.3102.2
10 0.40.00.34.10.43.714.01.212.821.71.720.025.21.823.334.22.231.948.84.144.660.97.053.880.717.663.1102.028.673.4123.136.986.2···179.668.7110.9247.091.1155.8
05 0.40.00.43.40.23.211.20.910.216.31.315.019.21.617.627.01.825.237.02.634.444.13.440.762.810.352.577.514.762.889.918.271.6···137.036.9100.0176.942.6134.2
77 1.00.00.96.50.75.721.11.919.231.12.628.535.42.832.652.03.648.373.55.468.190.36.783.5114.510.1104.3133.312.8120.4151.314.8136.4···204.125.8178.3232.329.0203.2
95 0.80.00.73.80.13.610.30.49.815.10.614.516.90.616.224.00.823.234.21.133.040.91.839.051.32.848.459.53.855.667.94.563.3···92.46.685.7101.67.494.1
90 0.60.00.63.70.13.611.70.311.317.50.616.919.40.618.726.20.925.337.51.336.247.21.645.558.22.555.768.23.065.175.93.372.6···98.15.692.5104.25.998.2
85 1.00.01.03.30.13.29.90.39.613.70.413.315.50.415.120.80.520.330.30.829.435.81.134.747.11.545.555.81.854.060.02.057.9···76.72.873.980.93.077.8
80 1.00.01.04.60.14.412.40.412.018.00.617.319.30.718.623.70.722.932.41.131.340.31.339.050.11.748.358.41.956.562.82.260.5···75.12.972.276.83.173.7
75 1.10.01.14.10.04.015.70.315.420.50.519.921.90.521.326.70.626.136.30.735.542.30.941.449.41.148.254.91.353.557.71.556.1···69.11.767.471.11.769.3
70 0.80.00.83.60.03.69.70.29.413.40.313.114.50.314.217.50.417.124.30.523.828.20.727.534.60.933.639.21.138.041.61.140.5···45.51.344.246.31.345.0
65 0.60.00.64.30.04.315.50.215.317.80.317.518.70.318.422.20.321.928.50.428.035.70.635.140.20.939.243.11.042.044.11.043.0···46.81.145.746.91.145.8
60 0.90.00.95.10.05.018.10.117.921.00.220.722.40.222.225.30.325.030.50.330.134.10.633.538.70.737.941.70.740.942.50.841.7···45.10.944.245.40.944.5
55 0.60.00.52.20.02.26.10.15.97.80.27.68.50.28.310.40.210.114.30.313.916.20.315.818.70.418.220.70.520.121.40.520.9···23.60.523.023.70.623.1
50 1.20.01.25.40.15.310.30.110.213.60.213.315.10.214.817.90.317.621.90.321.524.20.423.729.00.628.431.50.630.832.90.632.2···35.00.834.135.10.834.2
45 0.600.62.40.02.35.30.15.27.60.17.48.10.17.99.40.19.211.90.211.613.70.213.516.20.215.917.60.317.218.10.317.7···18.70.318.318.70.318.3
Volume by strike Call / Put / Total (K) · X = strike low→high · timeline scrub = slot · width matches Session path
— —
Slot Options Vol X = full 15-slot grid · empty ≠ 0 · left = Call / Put (K) · right = SPX Mode

Slots captured · flow summary (P1)

KeyPeriodSpotSrc ΣΔVolMax KMax ΔVW K ATM vol%ATMIV% VIXδγ
O 09:30 Open 7,735.17 open 36,424 7,790 2.3 7,737.2 13.0 7735 20.6 14.47 0.014 0.01860
T 10:00 7,741.48 +6.3 current 206,595 7,750 17.9 7,745.4 16.0 7740 20.6 14.54 0.001 0.01920
T30 10:30 7,727.39 -14.1 current 337,548 7,730 20.6 7,728.2 15.7 7725 17.5 14.37 0.058 0.02360
E 11:00 7,768.14 +40.8 current 342,198 7,750 26.6 7,743.5 15.8 7770 13.8 14.22 -0.059 0.03100
E30 11:30 7,767.41 -0.7 current 267,878 7,765 25.7 7,757.5 27.5 7765 12.3 14.17 0.064 0.03680
N 12:00 7,728.06 -39.3 current 412,782 7,750 36.7 7,741.9 13.2 7730 17.8 14.59 -0.018 0.02720
N30 12:30 7,714.46 -13.6 current 327,353 7,700 21.5 7,722.6 16.2 7715 20.0 14.77 -0.010 0.02580
P1 13:00 7,717.30 +2.8 current 229,290 7,720 20.3 7,718.6 21.3 7715 18.2 14.49 0.066 0.03060
P130 13:30 7,708.55 -8.8 current 254,921 7,700 24.1 7,713.6 19.7 7710 18.3 14.64 -0.054 0.03320
P2 14:00 7,713.28 +4.7 current 203,672 7,710 21.2 7,711.0 26.5 7715 16.1 14.52 -0.066 0.04260
P230 14:30 7,708.88 -4.4 current 169,240 7,710 21.0 7,714.4 30.6 7710 16.2 14.58 -0.040 0.04860
P330 15:30 7,712.67 +3.8 current 418,570 7,710 56.4 7,709.8 32.0 7715 16.5 14.45 -0.203 0.07960
C 16:00 Close 7,711.76 -0.9 close 308,189 7,710 67.3 7,712.2 55.8 7715 39.8 14.35 -0.486 0.26960

P1 flow (volume rolling payload): ΣΔVol = sum of strike ΔVolume this slot · Max K / Max Δ = strike with largest Δ (Δ in K, same as matrix) · VW K = volume-weighted average strike of positive Δ · ATM vol% = share of ΔVol in ATM±1 step. Spot shows slot-to-slot Δ when available. Observation only.

1.9.0 STABLE (2026-09-25) · r30 · Times: US Eastern (ET). · Data: SQLite · spx_2026-08-28_2026-08-28_0900.json Debug · report ~57.7 KB · slots 13/14 · strikes 37 · maps 78 · keys 2886 · C/P yes · keys=[O,T,T30,E,E30,N,N30,P1,P130,P2,P230,P330,C] · one blob · ΔVol/Stock = delta_* / cum_* views