Volume Rolling · SPXSet

EOD ΔVol Session 2026-10-01 · Exp 2026-10-01 · Spot 7,666.45 · Window 7575–7755 · Last slot C · Generated 2026-10-01 16:45:03 ET · ET · Data: SQLite · spx_intraday_2026-10-01.json
Wall vs flow slot C · Call peak K7680 Δ41,884 vs wall K7835 away -155pt · Put peak K7670 Δ41,669 vs wall K7525 away +145pt · 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
2026-10-01 SPX O 7,666.47 · H 7,684.75 · L 7,616.78 · C 7,666.45 prior C — VIX 16.39 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 7,666.477,654.497,633.547,629.637,635.447,633.627,642.517,638.977,666.727,663.267,669.967,676.297,673.587,666.45
VIX 16.5816.9017.2617.3917.1617.1416.9617.0216.4716.6616.5016.3516.3316.46
ATM 35.2536.8032.5030.5027.6026.6024.2021.7020.8519.2016.5012.508.652.42
IV 21.121.821.220.920.020.419.719.220.220.620.619.018.452.2
Wk 61.1564.1063.5063.4060.4559.4058.2057.3553.8055.5554.1053.0050.8051.25

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
55 0.30.30.01.11.10.01.31.30.00.40.400.50.500.10.100.10.100.30.30.00.20.200.50.50.00.20.20.00.20.200.10.10.00.00.00.0
50 0.60.60.02.52.40.12.02.00.01.11.10.00.60.50.00.70.70.00.40.40.00.60.60.01.51.50.01.21.20.00.50.50.00.50.40.00.30.10.10.00.00.0
45 0.60.60.02.42.40.01.51.40.00.60.60.00.70.70.00.40.400.20.200.30.30.00.50.50.01.11.10.00.20.20.00.30.30.00.00.00.00.00.00.0
40 1.01.00.03.83.70.02.92.70.11.21.20.00.80.80.00.30.30.00.40.30.00.50.50.01.31.30.01.31.30.00.60.60.00.60.600.10.100.10.10.0
35 1.81.80.010.410.40.02.02.00.00.70.60.00.90.90.01.11.10.00.10.10.00.50.50.00.90.90.02.52.50.01.01.00.00.30.30.00.90.900.10.10.0
30 2.12.10.014.414.30.03.33.30.01.71.70.00.90.90.00.60.60.00.50.50.02.02.00.00.80.80.02.72.50.11.21.20.00.60.50.01.31.30.00.20.20.0
25 1.11.10.05.35.30.04.74.70.01.41.40.00.90.90.00.90.90.00.40.40.01.21.20.02.12.10.04.13.90.21.41.40.01.41.40.01.51.50.00.20.20.0
20 1.41.30.010.310.10.28.07.80.12.32.30.02.32.30.01.21.20.01.31.20.02.52.50.01.81.80.06.06.00.01.71.50.11.61.50.01.11.00.10.70.70.0
15 1.00.90.05.85.60.15.05.00.02.02.00.01.01.00.00.60.60.00.50.50.00.80.80.02.12.10.05.65.50.12.12.00.11.11.10.01.01.00.00.70.70.0
10 1.21.20.09.59.30.27.87.60.13.33.20.02.52.50.01.51.50.00.70.70.01.71.70.02.72.70.011.611.40.23.33.20.12.92.80.02.12.10.02.22.20.0
05 0.80.80.08.28.10.17.17.00.13.02.90.03.73.70.01.71.70.00.60.60.03.03.00.04.13.80.212.712.60.13.83.80.03.83.70.12.32.20.03.43.30.0
77 3.02.50.515.314.21.116.616.10.48.68.50.05.14.80.22.82.70.03.13.00.05.04.90.19.88.90.925.324.11.29.18.60.49.18.60.46.35.90.37.66.90.7
95 0.70.70.06.66.20.38.07.70.25.65.50.03.23.10.02.32.30.01.11.10.03.03.00.06.16.00.115.014.30.77.26.90.29.28.70.45.74.90.78.27.70.4
90 1.20.90.36.25.50.610.09.50.47.06.90.15.25.00.14.03.90.03.03.00.05.15.00.18.68.40.117.516.21.210.610.40.213.613.00.511.711.10.619.918.41.4
85 0.70.60.15.34.30.99.39.00.35.95.70.25.04.90.03.02.90.02.92.80.07.67.40.110.09.60.320.817.33.513.913.40.414.913.81.115.313.81.536.931.85.0
80 1.20.90.28.36.02.211.010.30.79.39.00.37.37.00.25.65.50.15.24.90.29.08.60.313.312.60.627.820.77.017.415.81.519.614.94.722.016.35.759.941.818.0
75 1.40.90.410.46.34.010.69.41.29.48.90.47.77.30.44.54.30.24.74.60.19.28.60.612.511.70.828.115.212.816.814.62.222.813.69.126.914.412.459.928.831.1
70 1.80.81.010.25.24.912.110.61.510.19.30.79.18.50.56.56.30.17.26.70.49.89.30.416.914.91.929.012.916.122.516.26.224.210.513.625.57.917.657.916.341.6
65 1.70.51.210.93.57.411.68.82.86.15.50.57.87.40.46.05.80.26.25.80.38.07.40.518.113.74.420.38.112.222.413.78.615.64.610.915.23.012.133.04.928.0
60 1.30.31.09.92.47.511.88.33.57.56.60.810.69.70.910.810.20.59.18.30.812.610.42.121.216.15.120.54.615.928.012.615.414.82.512.313.52.810.720.72.817.9
55 0.70.10.67.41.75.711.86.75.17.85.72.06.65.90.77.77.30.47.76.41.314.311.03.318.212.35.914.52.512.019.87.112.710.31.68.68.01.86.29.51.08.5
50 1.50.21.38.81.47.419.712.07.615.011.53.416.313.42.812.010.91.112.19.42.620.411.98.424.314.110.119.52.317.224.25.318.814.31.912.39.71.68.09.41.28.1
45 0.70.10.54.60.63.913.16.96.213.47.65.88.66.81.86.95.61.311.07.73.315.26.88.417.48.09.412.01.310.715.12.212.86.50.65.94.40.63.82.40.32.1
40 1.40.01.36.00.45.518.08.69.316.38.57.814.410.73.711.58.62.813.78.25.517.46.111.317.36.311.011.91.310.614.21.013.25.00.44.63.00.22.82.50.22.2
35 1.70.11.65.40.35.116.66.210.413.35.57.816.19.96.212.87.85.011.05.15.813.93.410.513.52.810.78.50.97.611.50.610.93.70.43.22.00.31.71.60.21.4
30 1.30.01.25.70.25.419.94.415.413.24.09.115.46.78.716.89.17.611.03.47.513.02.210.711.91.510.410.60.310.211.30.410.83.10.22.81.30.01.21.30.01.2
25 1.30.01.25.60.15.513.32.211.08.71.86.916.27.09.114.15.38.88.21.76.59.21.47.88.00.67.46.50.36.27.10.26.81.60.01.50.90.00.81.00.00.9
20 1.10.01.117.90.117.820.41.518.99.51.38.214.13.210.813.13.69.58.81.07.811.50.910.69.50.58.97.10.16.98.60.38.31.70.01.61.70.01.71.20.01.2
15 1.50.01.55.60.15.59.90.89.16.10.65.49.31.57.87.31.26.15.60.45.18.50.38.26.30.35.93.80.23.63.30.03.21.10.01.11.70.01.70.50.00.5
10 1.10.01.16.10.06.011.10.510.57.20.46.89.11.18.08.40.77.66.60.36.27.10.26.95.90.15.73.40.13.22.80.02.83.00.03.00.70.00.70.20.00.2
05 1.00.01.03.50.03.58.00.27.75.40.25.16.60.56.18.00.37.75.10.14.95.60.15.53.80.13.62.60.02.62.00.02.00.70.00.70.60.00.60.20.00.1
76 1.10.01.112.50.012.426.00.725.215.10.914.117.50.916.615.50.614.99.70.39.410.50.310.16.50.36.24.00.04.03.50.03.53.40.03.40.70.00.70.90.00.9
95 0.70.00.77.80.07.814.20.114.07.00.26.810.30.110.29.60.19.43.90.13.74.40.04.33.30.13.21.60.01.51.10.01.10.90.00.90.10.00.10.400.4
90 1.10.01.14.20.04.211.90.111.78.60.08.69.00.18.97.60.17.54.00.03.93.20.03.12.40.02.42.10.02.11.50.01.40.90.00.90.30.00.20.60.00.6
85 0.60.00.64.90.04.911.50.011.45.00.04.97.90.27.65.20.34.92.50.02.42.80.02.82.40.02.41.60.01.60.70.00.70.60.00.60.100.10.100.1
80 0.70.00.74.00.13.88.80.08.75.10.05.07.20.17.04.50.04.42.30.02.32.30.02.24.10.04.11.70.11.61.20.01.20.10.00.10.20.00.20.200.2
75 1.201.23.80.03.710.20.110.14.00.03.96.30.16.23.20.03.12.70.02.74.50.04.52.40.02.41.40.01.40.60.00.60.200.20.900.90.400.4

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
55 0.30.30.01.51.50.02.92.90.03.33.30.03.93.90.04.04.00.04.24.20.04.64.60.04.94.80.05.45.40.05.75.60.05.95.90.06.16.00.06.16.10.0
50 0.60.60.03.23.00.15.35.10.16.46.20.27.16.70.37.87.40.38.27.90.38.98.50.310.410.10.311.711.30.412.211.80.412.712.30.413.012.50.513.112.50.5
45 0.60.60.03.03.00.04.54.50.05.15.10.05.95.90.06.36.30.06.66.50.06.96.90.07.57.50.08.68.60.08.88.80.09.29.10.09.29.10.09.29.10.0
40 1.01.00.04.84.70.07.77.50.29.08.70.29.89.60.210.19.90.210.510.30.211.110.80.212.412.10.213.813.50.214.414.10.215.014.70.215.114.90.215.315.00.3
35 1.81.80.012.312.20.014.414.30.115.115.00.116.115.90.117.217.10.117.417.30.118.017.80.119.018.80.121.521.30.122.622.40.122.922.80.123.923.70.124.123.80.2
30 2.12.10.016.616.50.120.019.80.121.721.50.122.622.40.123.323.00.223.823.60.225.925.70.226.726.50.229.529.00.430.730.30.431.430.90.432.732.20.433.032.50.4
25 1.11.10.06.56.40.011.211.20.012.712.60.113.613.50.114.614.50.115.114.90.116.416.20.118.518.40.122.722.30.324.123.80.325.525.20.327.126.70.327.326.90.4
20 1.41.30.011.711.50.219.819.30.422.221.70.424.524.00.425.725.30.427.026.50.429.629.00.531.430.90.537.536.90.639.238.40.740.840.00.842.041.10.942.841.80.9
15 1.00.90.06.86.60.111.811.60.113.913.70.214.914.70.215.615.30.216.115.90.217.016.70.219.118.90.224.824.40.327.026.50.528.227.70.529.228.70.530.029.40.5
10 1.21.20.010.710.50.218.618.20.321.921.40.424.424.00.426.025.50.426.726.20.428.528.00.431.230.70.542.942.10.746.245.30.849.148.20.951.350.30.953.652.60.9
05 0.80.80.09.08.90.116.216.00.219.218.90.323.022.70.324.824.40.325.425.10.328.528.10.332.632.00.645.444.60.849.248.40.853.152.10.955.454.40.958.957.81.0
77 3.02.50.518.416.71.635.032.82.143.641.32.248.846.22.551.649.02.554.852.12.659.857.02.769.665.93.694.990.04.9104.198.75.3113.2107.45.8119.6113.46.2127.3120.36.9
95 0.70.70.07.46.90.415.414.70.721.120.30.824.323.40.826.725.80.927.926.90.931.030.00.937.136.01.152.250.31.859.457.32.068.666.12.574.471.13.282.678.83.7
90 1.20.90.37.56.50.917.516.01.424.522.91.629.828.01.733.832.01.836.935.01.842.040.01.950.648.52.168.264.73.478.975.13.792.588.24.3104.299.34.9124.2117.86.3
85 0.70.60.16.14.91.115.514.01.421.419.71.626.424.71.729.527.61.832.530.51.940.138.02.150.147.62.571.064.96.185.078.46.599.992.27.7115.3106.09.2152.2137.914.3
80 1.20.90.29.57.02.520.617.33.230.026.43.537.333.53.743.039.03.948.244.04.157.252.74.570.565.35.198.486.112.2115.8102.013.8135.5116.918.5157.6133.324.2217.5175.242.3
75 1.40.90.411.87.34.422.516.85.631.925.86.139.733.16.544.337.56.749.142.16.958.350.77.570.962.58.499.077.721.2115.992.423.4138.7106.132.6165.6120.645.0225.6149.476.1
70 1.80.81.012.16.15.924.216.77.434.426.18.243.534.78.750.141.18.957.347.89.467.157.29.984.072.211.8113.185.128.0135.7101.434.2159.9111.947.9185.5119.965.5243.4136.2107.2
65 1.70.51.212.74.18.624.412.911.530.618.512.038.525.912.544.531.812.750.837.613.158.945.113.777.058.818.197.467.030.4119.980.839.1135.585.450.1150.788.562.2183.793.490.3
60 1.30.31.011.22.78.523.111.012.030.717.712.941.327.413.952.237.714.561.446.015.374.056.517.595.372.622.6115.977.238.6143.989.954.0158.892.466.4172.395.277.1193.198.095.0
55 0.70.10.68.21.96.320.08.611.427.914.313.534.520.214.242.327.614.750.034.016.064.445.019.482.757.425.397.359.937.3117.167.050.0127.468.758.7135.570.564.9145.171.573.5
50 1.50.21.310.41.78.730.113.716.345.125.219.861.538.722.773.549.623.885.759.126.5106.171.135.0130.485.345.1150.087.662.4174.292.981.2188.594.993.5198.396.6101.6207.797.9109.8
45 0.70.10.55.30.74.518.47.610.831.915.316.640.522.118.447.527.719.758.535.423.173.842.231.591.350.340.9103.451.751.6118.554.064.5125.154.770.4129.655.374.2132.055.676.4
40 1.40.01.37.40.56.925.49.116.341.817.624.156.328.327.967.837.030.881.545.236.399.051.347.6116.457.758.7128.359.069.3142.660.082.5147.660.487.2150.760.690.0153.260.992.2
35 1.70.11.67.20.46.823.96.617.237.212.125.153.422.031.366.329.936.477.335.142.291.338.552.8104.941.363.5113.542.371.1125.143.082.0128.843.485.3130.843.787.1132.544.088.5
30 1.30.01.27.00.36.726.94.722.240.28.831.355.615.540.172.424.647.783.528.155.396.530.466.1108.531.976.6119.132.286.9130.532.797.7133.633.0100.6134.933.1101.8136.233.1103.1
25 1.30.01.26.90.16.720.22.417.829.04.324.745.211.333.959.416.742.767.718.449.277.019.957.185.020.564.591.620.970.798.721.177.6100.421.279.1101.321.280.0102.321.381.0
20 1.10.01.119.10.119.039.51.637.949.12.946.263.26.157.176.49.766.685.310.874.596.911.785.1106.412.294.1113.512.4101.1122.212.7109.4123.912.8111.1125.712.8112.8126.912.8114.0
15 1.50.01.57.20.17.017.20.916.223.31.621.732.73.129.540.14.435.645.74.840.854.35.149.160.65.555.164.55.758.767.85.861.969.05.863.170.75.864.871.35.865.4
10 1.10.01.17.30.17.218.40.617.725.71.124.634.82.232.643.32.940.349.93.346.557.03.553.563.03.759.266.43.962.469.23.965.372.33.968.373.13.969.173.33.969.3
05 1.00.01.04.60.04.512.70.312.318.10.517.524.71.023.632.71.431.337.91.536.343.51.641.847.31.845.550.01.848.152.01.850.252.71.850.953.41.851.553.61.851.7
76 1.10.01.113.60.013.539.60.738.854.81.753.072.32.669.687.83.284.597.63.694.0108.14.0104.1114.74.3110.4118.84.3114.4122.34.4117.9125.84.4121.3126.54.4122.0127.44.4123.0
95 0.70.00.78.50.08.522.80.222.629.80.429.440.20.539.649.80.749.153.70.852.958.20.957.261.51.160.463.21.162.064.31.263.165.21.264.065.41.264.265.91.264.7
90 1.10.01.15.30.05.317.20.117.025.90.225.634.90.334.642.60.442.146.60.546.149.90.549.352.40.551.854.50.653.956.00.655.457.00.656.357.30.656.658.00.657.3
85 0.60.00.65.60.05.517.10.117.022.10.121.930.00.429.635.20.734.537.80.737.040.60.839.843.10.842.344.80.843.945.50.844.746.20.845.346.30.845.546.40.845.6
80 0.70.00.74.70.14.613.60.213.318.70.218.426.00.425.530.50.530.032.90.532.335.20.534.639.30.538.741.10.740.342.30.741.642.50.741.742.70.741.942.90.742.1
75 1.201.25.00.05.015.30.115.119.40.219.125.70.325.429.00.428.631.70.431.336.30.435.838.70.438.240.20.539.740.80.540.341.10.540.642.00.541.542.40.541.9
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 7,666.47 open 45,538 7,700 3.0 7,666.3 11.0 7665 21.1 16.58 0.118 0.01800
T 10:00 7,654.49 -12.0 current 272,184 7,620 17.9 7,665.7 9.6 7655 21.8 16.90 0.255 0.01720
T30 10:30 7,633.54 -20.9 current 392,914 7,600 26.0 7,646.2 13.9 7635 21.2 17.26 -0.021 0.01960
E 11:00 7,629.63 -3.9 current 249,773 7,640 16.3 7,645.2 14.2 7630 20.9 17.39 0.019 0.02090
E30 11:30 7,635.44 +5.8 current 268,337 7,600 17.5 7,637.6 17.2 7635 20.0 17.16 -0.025 0.02300
N 12:00 7,633.62 -1.8 current 220,716 7,630 16.8 7,635.6 18.7 7635 20.4 17.14 -0.054 0.02400
N30 12:30 7,642.51 +8.9 current 175,460 7,640 13.7 7,640.2 21.0 7645 19.7 16.96 -0.058 0.02640
P1 13:00 7,638.97 -3.5 current 248,440 7,650 20.4 7,646.3 18.8 7640 19.2 17.02 -0.075 0.02940
P130 13:30 7,666.72 +27.8 current 293,772 7,650 24.3 7,654.4 19.2 7665 20.2 16.47 0.054 0.03040
P2 14:00 7,663.26 -3.5 current 368,481 7,670 29.0 7,670.0 19.0 7665 20.6 16.66 -0.041 0.03340
P230 14:30 7,669.96 +6.7 current 294,202 7,660 28.0 7,660.4 21.0 7670 20.6 16.50 0.016 0.03860
P3 15:00 7,676.29 +6.3 current 215,546 7,670 24.2 7,669.0 30.9 7675 19.0 16.35 0.082 0.05080
P330 15:30 7,673.58 -2.7 current 190,685 7,675 26.9 7,671.8 39.1 7675 18.4 16.33 -0.119 0.07320
C 16:00 Close 7,666.45 -7.1 close 345,789 7,680 59.9 7,673.7 32.3 7665 52.2 16.46 0.488 0.25310

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_2026-10-01_2026-10-01_0900.json Debug · report ~68.1 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