Volume Rolling · SPXSet

EOD ΔVol Session 2026-09-25 · Exp 2026-09-25 · Spot 7,743.41 · Window 7615–7795 · Last slot C · Generated 2026-09-25 16:45:04 ET · ET · Data: SQLite · spx_intraday_2026-09-25.json
Wall vs flow slot C · Call peak K7750 Δ49,339 vs wall K7900 away -150pt · Put peak K7745 Δ35,371 vs wall K7500 away +245pt · 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
2026-09-25 SPX O 7,709.86 · H 7,752.07 · L 7,693.08 · C 7,743.41 prior C — VIX 14.87 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 7,709.867,726.467,705.867,716.867,718.297,727.617,744.797,734.937,742.387,741.617,737.937,737.147,732.057,743.41
VIX 15.1715.1415.6315.4615.3515.1814.9815.0714.9914.9915.0514.9214.8914.84
ATM 29.1024.7527.5023.7021.3021.4521.0517.9015.2012.2011.959.037.784.88
IV 16.315.317.816.015.216.017.015.614.513.014.312.915.532.8
Wk 29.1024.7527.5023.7021.3021.4521.0517.9015.2012.2011.959.037.7896.15

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
95 0.20.200.80.80.01.01.000.30.30.00.40.400.40.40.03.23.20.01.51.50.00.40.40.00.60.60.00.60.50.00.10.10.00.30.30.00.10.10.0
90 0.70.702.72.70.01.81.80.00.40.40.00.50.50.00.80.805.65.50.01.61.60.01.11.10.01.11.10.01.81.80.00.80.80.00.40.30.00.40.40.0
85 0.50.50.02.42.40.02.42.40.00.30.30.00.90.90.01.01.00.07.77.60.12.12.10.00.80.80.00.90.90.00.90.80.00.60.60.00.50.50.00.30.30.0
80 3.33.20.08.68.50.03.33.30.00.70.70.01.21.20.01.91.90.013.813.70.03.23.10.11.81.70.01.51.50.01.31.30.00.90.90.01.00.90.00.70.60.0
75 2.82.80.09.29.10.03.53.40.10.90.90.03.02.90.01.81.80.011.411.10.24.24.10.12.12.00.11.91.90.02.42.30.01.01.00.01.31.30.02.12.00.0
70 1.01.00.05.75.60.03.53.40.01.61.60.02.72.60.03.23.20.019.419.00.37.27.00.14.03.80.12.92.80.03.83.70.02.22.10.02.32.20.12.72.50.2
65 2.02.00.06.86.80.04.24.20.01.61.60.03.73.70.03.53.50.015.214.50.67.16.80.34.13.90.25.45.10.36.56.30.22.92.70.23.02.90.14.74.50.2
60 1.31.30.08.98.70.17.67.50.02.92.90.05.85.60.15.75.50.123.021.81.29.79.20.58.38.00.27.57.10.39.28.80.36.05.40.56.25.90.214.914.30.6
55 1.81.80.08.98.70.29.18.90.15.04.90.08.07.40.66.56.40.121.119.51.610.79.61.17.97.00.98.27.50.79.79.00.66.76.00.77.26.90.327.424.52.9
50 2.72.60.015.514.70.717.717.10.57.87.40.313.813.20.611.811.30.438.834.14.617.213.73.413.210.52.621.616.74.922.319.42.816.614.62.014.212.91.265.049.315.7
45 2.22.10.011.510.80.711.310.80.45.14.90.19.18.60.49.18.70.427.119.97.214.99.55.412.59.13.416.412.63.723.016.86.120.316.43.923.019.53.473.838.435.3
40 3.23.10.013.111.21.915.514.50.98.07.70.213.812.90.912.712.10.633.720.713.017.59.48.017.58.98.621.410.510.829.511.218.228.516.212.340.628.711.867.935.532.3
35 1.91.80.013.610.72.913.912.71.17.06.70.211.29.71.512.511.31.224.613.211.314.55.68.814.45.39.016.35.111.217.24.412.820.56.214.334.412.821.546.217.828.4
30 1.91.70.219.613.95.617.314.52.78.37.40.917.614.33.216.714.72.021.610.311.311.82.98.811.32.68.712.52.79.715.72.613.115.83.112.627.25.421.734.77.826.9
25 2.11.50.522.212.89.415.410.94.58.36.81.519.913.56.314.810.74.018.27.410.810.42.48.08.81.96.99.21.08.210.80.99.89.70.88.811.51.69.912.61.910.7
20 2.82.00.715.27.47.817.511.56.011.98.53.424.014.09.919.712.37.418.75.613.19.81.87.98.31.17.18.10.97.27.70.67.16.80.46.36.60.85.87.30.86.4
15 3.62.31.212.43.88.617.28.58.614.49.15.218.07.610.318.29.48.814.52.511.96.50.46.15.50.45.15.50.94.66.10.45.74.00.23.84.10.33.84.70.83.8
10 3.11.41.69.62.57.021.511.410.117.910.37.613.54.88.719.67.212.314.21.912.36.80.46.44.70.34.44.20.43.85.10.24.83.20.23.02.50.22.24.10.53.6
05 1.60.51.16.90.96.021.49.212.214.36.67.69.52.37.212.23.28.911.81.410.35.10.34.73.20.32.82.70.42.33.40.13.31.80.11.71.80.31.51.80.21.5
77 2.10.51.515.61.713.930.110.020.014.24.39.913.52.511.016.83.013.815.41.613.810.80.510.34.90.64.33.90.23.74.80.34.52.80.22.62.50.32.11.60.21.4
95 1.10.10.97.10.26.817.43.813.67.31.85.58.30.67.78.70.77.97.90.37.62.60.12.52.20.12.12.00.01.92.30.02.31.20.01.10.60.00.60.70.00.7
90 1.20.01.26.10.25.915.72.413.26.61.15.58.70.38.39.40.68.77.30.17.22.50.02.41.80.01.71.30.01.21.80.01.81.00.01.01.10.01.11.00.01.0
85 1.00.01.04.80.14.611.71.210.55.00.74.27.40.27.16.80.46.46.30.26.02.80.02.71.50.01.51.40.01.31.70.01.60.50.00.51.00.01.00.60.00.5
80 1.40.01.34.90.24.614.30.713.55.70.35.36.60.36.38.00.27.86.40.16.22.20.02.11.80.01.81.20.01.11.20.01.20.40.00.40.70.00.70.60.00.5
75 1.50.01.54.30.04.312.00.911.16.40.46.06.90.46.56.50.36.23.70.03.61.90.01.81.70.01.71.30.01.20.70.00.70.30.00.30.40.00.40.50.00.4
70 1.40.01.410.70.010.612.30.212.05.80.25.64.90.14.86.30.26.04.20.04.12.70.02.61.50.01.50.80.00.80.70.00.70.50.00.50.50.00.50.30.00.3
65 1.40.01.39.80.09.711.90.311.55.30.05.23.70.03.64.80.04.72.30.02.32.00.02.00.50.00.50.60.00.60.40.00.40.20.00.20.20.00.20.10.00.1
60 1.40.01.43.40.13.310.30.210.15.40.15.34.20.04.24.80.04.72.70.02.61.40.01.30.90.00.90.50.00.50.40.00.40.10.00.10.30.00.30.10.00.1
55 0.60.00.52.40.12.38.80.18.72.80.02.72.20.02.14.00.03.92.70.02.60.90.00.90.70.00.60.50.00.50.70.00.70.40.00.40.10.00.10.30.00.3
50 1.20.01.13.50.23.212.10.211.84.60.04.53.10.13.03.80.03.82.60.02.61.30.01.21.50.01.40.50.00.51.20.01.10.40.00.40.40.00.30.30.00.3
45 1.00.10.81.90.41.46.40.16.31.90.01.91.40.01.42.30.02.21.40.01.40.40.00.41.00.01.00.40.00.40.50.00.50.40.00.30.40.00.40.20.00.2
40 1.10.11.02.20.31.86.10.06.12.70.02.61.30.01.21.70.01.71.40.01.40.60.00.60.40.10.20.200.20.50.00.50.40.00.41.10.01.10.20.00.2
35 0.60.00.61.50.01.44.90.04.81.80.01.80.60.00.61.20.01.20.70.00.70.20.00.20.200.20.30.00.30.800.80.300.30.40.00.40.00.00.0
30 0.80.00.81.70.01.76.90.06.81.70.01.71.40.01.40.80.00.81.60.01.60.50.00.50.70.10.50.40.00.40.90.00.90.100.10.70.00.70.00.00.0
25 0.60.00.61.10.01.14.20.04.11.10.01.10.40.00.40.90.00.90.60.00.50.70.00.70.20.00.20.400.40.60.00.60.00.00.00.00.00.00.00.00.0
20 0.80.00.80.90.00.83.80.03.81.00.00.90.80.00.80.60.00.60.70.00.70.30.00.30.200.20.500.50.30.00.30.200.20.10.00.10.000.0
15 0.40.00.30.70.00.73.90.03.90.60.00.60.50.00.50.40.00.40.300.30.40.00.40.30.00.20.400.40.100.10.000.00.20.00.20.00.00.0

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
95 0.20.201.01.00.02.02.00.02.32.30.02.82.80.03.33.20.06.56.50.08.08.00.08.58.40.09.19.00.09.79.60.09.99.80.010.210.20.010.410.30.0
90 0.70.703.53.40.05.35.30.05.85.80.06.46.40.07.37.30.012.912.80.114.614.50.115.715.60.116.916.80.118.818.70.119.719.50.120.119.90.120.520.30.1
85 0.50.50.02.92.90.05.45.40.05.85.70.06.76.70.07.87.70.015.515.40.117.717.50.218.618.30.219.519.30.220.420.10.321.120.80.321.621.30.322.021.60.3
80 3.33.20.011.911.80.015.215.10.016.015.90.017.317.20.019.219.10.033.032.80.136.336.00.338.237.80.339.839.30.441.240.70.542.241.60.543.242.60.543.943.30.6
75 2.82.80.012.011.90.015.615.40.216.516.30.219.519.20.321.421.10.332.832.20.637.136.30.739.238.30.841.240.20.943.642.61.044.743.71.046.145.01.148.247.11.1
70 1.01.00.06.76.60.010.210.10.111.911.70.114.614.40.117.917.70.137.436.80.544.643.80.748.647.70.951.550.50.955.454.31.057.656.51.160.058.71.262.761.31.4
65 2.02.00.08.98.80.013.213.00.114.814.60.118.618.40.222.221.90.237.436.40.944.643.31.248.747.21.554.252.41.860.858.72.063.861.52.266.964.52.471.669.02.6
60 1.31.30.010.310.10.117.917.60.220.820.50.326.726.20.432.431.80.655.553.61.865.362.82.473.670.92.781.178.13.090.486.93.496.492.43.9102.698.34.2117.6112.64.9
55 1.81.80.010.810.60.220.019.50.425.024.50.433.031.91.039.638.31.260.757.82.871.467.53.979.374.54.887.682.05.597.491.16.2104.197.26.9111.4104.17.3138.9128.610.2
50 2.72.60.018.217.40.735.934.61.343.742.01.757.655.32.369.566.62.8108.3100.87.4125.5114.610.9138.8125.113.6160.5141.918.5182.8161.421.4199.4176.023.4213.7189.024.7278.8238.340.4
45 2.22.10.013.712.90.725.123.81.230.228.81.439.337.41.848.546.22.375.766.19.590.775.714.9103.284.818.3119.697.522.1142.7114.428.3163.1130.832.2186.1150.435.7260.0188.971.0
40 3.23.10.016.314.31.931.828.92.939.836.73.153.749.64.166.561.74.7100.282.517.7117.891.925.8135.4100.934.4156.8111.445.3186.3122.763.6214.8138.975.9255.4167.687.8323.3203.1120.2
35 1.91.80.015.612.53.029.525.34.236.632.04.547.941.86.060.453.17.385.166.418.699.672.027.5114.077.436.6130.482.547.8147.787.060.6168.293.275.0202.7106.196.5249.0124.0125.0
30 1.91.70.221.515.75.838.830.28.647.237.69.564.852.012.881.566.714.8103.277.126.1115.080.034.9126.482.643.7138.985.453.4154.688.166.5170.591.279.2197.796.7100.9232.4104.5127.9
25 2.11.50.524.414.49.939.825.314.548.232.116.068.145.722.483.056.526.4101.263.937.3111.766.345.3120.668.352.3129.869.360.5140.770.270.4150.471.179.2162.072.789.2174.774.799.9
20 2.82.00.718.09.48.635.621.014.647.629.518.171.743.628.091.555.935.5110.361.648.7120.163.456.6128.464.563.8136.665.471.1144.366.178.2151.266.684.6157.967.490.4165.368.396.9
15 3.62.31.216.06.19.933.214.618.647.723.823.965.731.434.284.040.943.098.543.555.0105.143.961.1110.644.366.2116.145.370.8122.345.776.5126.345.980.3130.546.284.2135.247.188.1
10 3.11.41.612.74.08.734.215.418.852.225.726.465.730.535.185.437.847.599.639.759.8106.540.266.3111.340.570.7115.640.974.6120.741.279.5124.041.482.5126.541.784.8130.742.288.4
05 1.60.51.18.61.47.130.110.719.344.417.427.053.919.734.266.222.943.278.024.453.583.224.858.386.425.261.289.225.663.592.725.866.894.625.968.696.426.270.198.226.571.7
77 2.10.51.517.72.215.547.912.335.562.216.745.575.719.256.592.622.270.4108.123.884.2119.024.494.6123.925.098.9127.925.2102.6132.825.6107.2135.725.8109.8138.226.2112.0139.926.4113.4
95 1.10.10.98.20.47.725.64.221.433.06.126.941.46.734.650.27.542.658.27.850.360.98.052.863.18.155.065.18.256.967.58.359.268.88.360.469.48.461.070.28.461.8
90 1.20.01.27.40.37.123.12.820.329.83.925.838.54.234.248.04.943.055.35.150.257.95.252.759.75.254.461.05.255.762.95.357.663.95.358.665.05.359.766.15.360.7
85 1.00.01.05.90.25.717.71.416.222.72.220.530.12.427.737.02.934.143.33.140.246.23.243.047.83.244.549.23.345.951.03.347.651.53.348.252.63.349.253.23.449.8
80 1.40.01.36.30.36.020.61.119.526.41.524.933.01.831.241.12.039.047.52.245.349.72.247.451.62.349.352.82.350.454.12.351.754.52.352.155.32.452.955.92.553.4
75 1.50.01.55.90.15.818.01.016.924.41.423.031.41.929.538.02.235.841.72.339.443.62.341.345.42.343.146.72.344.447.52.345.147.82.345.548.22.345.948.82.446.4
70 1.40.01.412.20.112.124.50.324.130.30.529.735.30.634.641.60.940.645.81.044.748.51.047.450.01.049.050.91.049.951.71.050.752.31.051.252.81.051.853.21.052.1
65 1.40.01.311.20.111.123.10.422.728.50.527.932.20.631.637.00.636.339.40.738.741.40.740.741.90.741.242.60.741.843.00.742.243.20.742.443.50.742.743.70.742.9
60 1.40.01.44.90.14.815.30.414.920.80.520.225.00.524.529.90.629.232.60.731.934.00.733.335.00.734.335.60.734.936.10.735.336.30.735.536.60.735.936.70.736.0
55 0.60.00.53.10.22.911.90.311.614.70.314.417.00.416.521.00.420.523.70.523.224.70.524.225.40.524.925.90.525.426.60.526.127.10.526.627.30.526.827.60.527.1
50 1.20.01.14.70.24.416.80.516.321.50.620.924.70.723.928.50.727.731.20.830.332.50.831.634.00.933.134.60.933.635.80.934.836.21.035.236.61.035.637.01.035.9
45 1.00.10.82.90.62.39.30.78.611.30.710.512.80.812.015.10.814.216.60.815.717.10.816.218.10.817.218.60.917.719.10.918.219.50.918.620.00.919.020.20.919.2
40 1.10.11.03.30.42.89.50.58.912.20.511.613.60.612.915.30.714.616.80.716.017.40.716.717.80.816.918.00.817.218.60.817.719.00.818.120.20.819.320.40.819.5
35 0.60.00.62.10.02.17.00.07.08.90.08.89.50.09.410.80.110.711.60.111.511.90.111.812.20.112.112.50.112.413.30.113.213.60.113.514.10.114.014.20.114.0
30 0.80.00.82.60.02.69.60.09.511.30.011.212.70.012.613.60.013.515.20.115.115.80.115.716.50.216.316.90.216.717.80.217.617.90.217.718.70.218.418.70.218.4
25 0.60.00.61.80.01.86.00.05.97.20.17.17.60.17.58.60.18.59.20.19.110.00.19.910.30.110.110.70.110.611.40.111.211.40.111.311.50.111.311.50.111.3
20 0.80.00.81.70.01.75.60.05.56.60.06.57.40.07.38.00.07.98.80.18.79.10.19.09.40.19.310.00.19.910.30.110.210.60.110.510.80.110.610.80.110.6
15 0.40.00.31.10.01.05.10.05.05.70.05.76.30.06.36.80.06.77.10.07.17.60.07.57.90.07.88.30.08.28.40.08.38.50.08.48.70.08.68.80.08.7
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 7,709.86 open 59,957 7,715 3.6 7,716.2 14.0 7710 16.3 15.17 0.270 0.02200
T 10:00 7,726.46 +16.6 current 277,845 7,725 22.2 7,720.5 20.6 7725 15.3 15.14 0.020 0.02560
T30 10:30 7,705.86 -20.6 current 399,603 7,700 30.1 7,702.8 18.3 7705 17.8 15.63 -0.055 0.02320
E 11:00 7,716.86 +11.0 current 198,271 7,710 17.9 7,705.8 22.4 7715 16.0 15.46 -0.005 0.02700
E30 11:30 7,718.29 +1.4 current 254,559 7,720 24.0 7,715.9 24.4 7720 15.2 15.35 -0.049 0.03000
N 12:00 7,727.61 +9.3 current 262,008 7,720 19.7 7,713.0 16.9 7730 16.0 15.18 -0.122 0.02980
N30 12:30 7,744.79 +17.2 current 413,479 7,750 38.8 7,734.2 24.1 7745 17.0 14.98 -0.065 0.03020
P1 13:00 7,734.93 -9.9 current 198,028 7,740 17.5 7,731.4 22.2 7735 15.6 15.07 -0.001 0.03560
P130 13:30 7,742.38 +7.4 current 153,593 7,740 17.5 7,731.0 29.0 7740 14.5 14.99 0.098 0.04160
P2 14:00 7,741.61 -0.8 current 166,150 7,750 21.6 7,734.5 32.6 7740 13.0 14.99 0.017 0.05220
P230 14:30 7,737.93 -3.7 current 198,458 7,740 29.5 7,734.6 35.2 7740 14.3 15.05 -0.207 0.05320
P3 15:00 7,737.14 -0.8 current 159,714 7,740 28.5 7,736.0 40.6 7735 12.9 14.92 0.205 0.07140
P330 15:30 7,732.05 -5.1 current 200,684 7,740 40.6 7,735.0 36.5 7730 15.5 14.89 0.338 0.07880
C 16:00 Close 7,743.41 +11.4 close 379,637 7,745 73.8 7,741.1 49.5 7740 32.8 14.84 0.884 0.05860

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_2026-09-25_2026-09-25_0900.json Debug · report ~70 KB · slots 14/14 · strikes 37 · maps 84 · keys 3108 · C/P yes · keys=[O,T,T30,E,E30,N,N30,P1,P130,P2,P230,P3,P330,C] · one blob · ΔVol/Stock = delta_* / cum_* views