Volume Rolling · SPXSet

EOD ΔVol Session 2026-10-27 · Exp 2026-10-27 · Spot 7,722.60 · Window 7605–7785 · Last slot C · Generated 2026-10-27 16:45:02 ET · ET
Wall vs flow slot C · Call peak K7735 Δ60,791 vs wall K7900 away -165pt · Put peak K7725 Δ69,981 vs wall K7350 away +375pt · 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
2026-10-27 SPX O 7,699.47 · H 7,736.24 · L 7,677.16 · C 7,722.60 prior C — VIX 17.52 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 7,699.477,686.957,688.067,711.997,721.897,730.797,726.767,718.907,720.247,721.627,717.197,719.567,727.417,722.60
VIX 17.8117.9617.9417.6117.5717.5417.5517.7517.7617.7217.7717.7017.6217.61
ATM 26.6026.7023.1020.6517.9016.2013.8012.5510.508.807.976.075.123.17
IV 16.016.615.014.012.812.211.111.010.09.49.79.210.828.0
Wk 96.1597.1096.1593.8091.9091.9090.4591.8091.6091.1091.1591.3089.7589.70

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
85 0.10.100.70.70.00.60.60.00.60.60.00.60.60.00.40.40.00.80.80.00.60.60.00.50.500.30.300.00.000.00.00.00.60.60.00.10.10.0
80 0.60.60.01.41.40.00.90.90.00.80.70.00.80.80.00.60.60.02.02.00.00.50.50.00.90.90.00.40.400.50.50.00.40.401.11.10.00.20.10.0
75 0.40.40.01.21.10.00.80.80.00.70.70.01.71.60.00.90.90.01.01.00.00.70.70.00.20.20.00.30.300.50.50.00.10.100.30.30.00.20.20.0
70 0.30.30.02.92.90.01.61.60.01.71.70.02.72.60.01.91.70.22.42.30.11.31.20.10.50.50.00.60.600.80.80.00.60.60.00.40.40.00.70.50.1
65 0.40.40.02.92.80.00.80.80.00.90.90.02.62.60.01.51.50.02.52.50.01.31.20.00.70.70.00.40.30.00.70.70.00.60.600.40.40.01.21.10.1
60 0.70.70.04.14.10.02.02.00.02.22.20.04.74.30.34.03.70.27.77.20.53.23.10.11.81.70.00.80.80.01.00.90.00.50.50.00.60.40.12.01.80.1
55 2.22.20.011.311.30.03.23.20.02.62.50.16.25.90.26.86.70.08.07.40.63.33.20.01.41.40.00.70.70.01.11.10.01.81.80.01.71.60.13.63.50.0
50 3.13.10.014.914.80.15.85.70.06.76.50.214.714.20.410.910.40.413.212.11.06.96.20.63.02.90.12.42.30.13.42.70.72.51.90.63.22.70.47.96.81.0
45 1.61.60.05.75.60.13.43.30.04.94.80.010.39.90.412.211.90.312.710.91.88.17.80.33.93.80.03.33.10.13.53.40.02.22.20.03.23.10.114.012.61.3
40 1.21.20.09.79.50.14.84.80.010.910.50.316.215.30.914.613.61.016.512.83.69.78.80.96.35.80.47.16.60.46.55.80.63.02.50.58.77.90.837.732.94.7
35 1.31.30.07.87.60.16.66.60.011.711.50.214.813.11.616.014.41.517.312.94.313.211.51.68.47.60.79.79.00.77.06.20.75.34.60.718.616.22.383.660.722.8
30 2.32.30.014.214.00.28.38.10.115.815.30.420.819.01.726.920.76.128.216.012.123.117.25.919.116.92.122.119.32.714.512.32.18.67.31.252.641.011.6117.752.165.5
25 2.32.10.111.611.20.48.28.00.217.616.90.724.019.84.124.715.49.318.76.811.827.214.512.726.319.27.126.418.57.827.421.45.920.616.34.368.238.829.395.225.269.9
20 2.62.40.114.213.40.716.716.30.325.123.51.630.421.19.222.411.011.415.33.511.832.912.220.632.718.214.428.011.816.137.718.719.041.027.913.051.319.631.732.88.724.0
15 1.51.30.210.18.81.29.49.10.321.519.52.025.314.610.714.34.49.811.71.510.122.95.917.021.46.315.014.92.812.124.65.019.533.39.923.419.44.215.210.42.28.2
10 1.81.60.212.810.42.312.211.50.625.121.14.020.58.711.713.63.79.89.11.27.917.12.814.316.82.913.810.71.59.115.11.913.216.61.914.79.91.58.35.10.64.5
05 1.81.30.513.29.53.711.09.81.223.017.65.410.73.86.87.10.86.25.40.74.611.01.29.78.90.97.95.20.54.67.80.96.87.10.96.15.80.84.94.21.32.8
77 4.22.61.519.311.97.418.915.63.232.119.112.922.44.318.014.91.912.98.90.88.115.01.313.611.21.59.77.50.86.76.90.56.36.31.05.25.60.74.94.40.73.7
95 2.41.11.213.75.28.411.18.03.019.710.39.410.61.88.75.40.64.73.20.32.85.50.54.94.60.34.22.80.22.62.40.12.32.10.11.91.80.11.60.50.00.4
90 1.60.31.315.04.810.117.711.36.315.86.39.412.21.610.65.40.45.03.50.13.34.20.23.93.60.23.32.30.22.02.00.11.81.60.11.52.90.12.71.30.11.2
85 1.30.21.111.22.78.421.210.510.712.13.98.27.30.86.44.20.33.81.90.01.83.10.12.92.60.02.50.70.10.61.10.01.11.00.00.91.10.01.10.60.00.5
80 1.10.11.010.91.79.221.66.714.813.62.511.09.70.49.23.90.23.73.00.02.93.30.13.22.30.12.21.00.00.91.20.01.21.00.00.92.30.02.20.80.00.7
75 1.10.11.010.71.49.314.63.411.211.81.210.67.80.37.52.60.22.42.30.02.22.00.01.92.20.12.11.20.01.11.10.01.11.00.01.00.60.00.50.80.00.7
70 1.20.01.210.10.69.415.41.813.614.50.913.64.50.34.22.20.02.11.40.01.41.60.11.51.10.01.00.70.00.61.20.01.21.00.01.00.60.00.51.20.01.1
65 1.20.01.18.10.47.78.50.58.06.90.46.53.40.13.21.40.01.41.30.01.21.00.00.91.10.01.10.50.00.50.50.00.50.50.00.51.00.01.00.50.00.5
60 1.30.01.28.30.57.811.10.710.48.00.47.65.40.15.32.20.02.20.90.00.90.90.00.90.60.00.60.60.00.60.50.00.50.30.00.33.00.03.00.10.00.1
55 0.90.00.96.00.15.88.20.37.85.60.35.22.10.02.11.10.01.11.20.01.20.60.00.60.40.00.40.100.10.20.00.20.10.00.10.40.00.40.50.00.5
50 1.80.01.818.80.218.615.70.515.110.40.410.06.00.55.41.70.01.71.40.11.31.00.00.91.00.01.00.60.00.60.90.00.90.30.00.30.30.00.30.00.00.0
45 0.70.00.712.40.012.37.20.26.95.20.05.11.50.01.40.80.00.80.90.00.90.600.60.50.00.50.40.00.40.50.00.50.40.00.40.80.00.80.000.0
40 0.90.00.98.00.07.97.60.27.35.20.15.13.20.03.10.70.00.70.60.00.60.60.00.60.30.00.30.300.30.10.00.10.30.00.30.10.00.10.00.00.0
35 0.70.00.65.10.05.04.60.14.52.40.12.31.10.01.10.30.00.30.50.00.50.30.00.30.30.00.30.60.00.60.60.00.60.100.10.50.00.50.00.00.0
30 0.50.00.55.50.05.43.70.13.63.30.03.21.20.01.20.30.00.31.20.01.20.60.00.60.20.00.20.60.00.60.50.00.50.000.00.20.00.20.00.00.0
25 0.80.00.84.80.04.84.30.04.22.50.02.51.00.01.00.80.00.80.30.00.30.30.00.30.10.00.10.20.00.20.70.00.60.100.10.20.00.20.000.0
20 0.70.00.75.80.15.73.10.03.02.70.02.60.70.00.70.20.00.20.50.00.50.60.00.60.30.00.30.30.00.30.20.00.20.300.30.10.00.10.00.00.0
15 0.50.00.42.60.02.62.30.02.31.90.01.80.70.00.70.200.20.100.10.300.30.200.20.300.30.200.20.000.00.100.10.00.00.0
10 0.40.00.33.10.03.11.80.01.82.00.01.90.30.00.30.30.00.30.30.00.30.400.40.300.30.10.00.10.200.20.00.00.00.00.00.00.000.0
05 0.80.00.81.50.01.51.40.01.40.50.00.50.400.40.200.21.20.01.20.400.40.200.20.00.00.00.10.00.10.000.00.000.00.000.0

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
85 0.10.100.80.80.01.41.40.02.02.00.02.72.70.03.13.10.04.04.00.04.74.60.05.25.20.05.65.60.05.75.60.05.85.70.06.46.30.06.56.40.0
80 0.60.60.02.02.00.03.03.00.03.83.80.04.74.60.15.45.20.17.47.20.18.07.80.18.98.70.19.49.20.19.99.70.110.310.20.111.511.30.211.711.40.2
75 0.40.40.01.71.60.02.52.50.03.33.20.05.04.90.05.95.80.07.06.90.17.87.60.18.07.90.18.48.30.18.98.80.19.08.90.19.49.20.19.79.50.1
70 0.30.30.03.23.20.04.94.90.06.76.70.09.49.40.011.411.10.213.813.40.315.214.70.415.715.20.516.415.90.517.216.70.517.917.40.518.317.80.519.118.40.6
65 0.40.40.03.33.30.04.14.10.05.15.00.07.77.70.09.39.20.011.911.70.113.213.00.114.013.80.114.414.20.215.215.00.215.815.60.216.316.10.217.517.20.3
60 0.70.70.04.94.90.07.06.90.09.39.20.014.013.50.418.017.30.725.824.61.229.127.71.330.929.51.431.830.31.432.831.31.433.331.81.434.032.31.636.034.21.8
55 2.22.20.013.613.50.016.816.70.019.519.30.125.725.20.432.632.00.540.639.51.144.042.81.245.444.21.246.144.91.247.346.01.249.147.91.250.949.51.354.553.01.4
50 3.13.10.018.117.90.123.923.70.130.730.30.445.444.50.956.455.01.369.667.22.476.673.53.179.776.43.282.178.83.385.681.54.088.283.54.691.486.35.199.393.16.1
45 1.61.60.07.37.20.110.710.50.115.615.40.226.025.30.638.337.21.051.148.22.959.256.03.263.259.93.366.563.13.470.166.53.572.368.73.575.671.93.789.684.55.1
40 1.21.20.010.910.80.115.815.60.226.826.20.643.141.61.557.855.22.574.368.06.284.076.97.190.382.77.697.589.38.1104.095.28.7107.097.89.2115.8105.710.1153.6138.714.9
35 1.31.30.09.29.00.215.815.60.227.627.10.442.440.32.158.454.73.775.867.78.089.079.39.797.587.010.4107.296.011.2114.3102.312.0119.6106.912.7138.3123.215.1222.0184.037.9
30 2.32.30.016.616.30.324.924.50.440.839.80.961.658.92.688.579.78.7116.795.820.9139.9113.026.8159.0130.029.0181.2149.331.8195.7161.733.9204.3169.035.2256.9210.146.8374.6262.2112.4
25 2.32.10.114.013.30.622.221.40.839.938.31.663.958.15.788.773.615.1107.480.426.9134.794.939.7161.1114.246.9187.5132.754.8215.0154.260.7235.6170.565.1303.8209.494.4399.1234.6164.4
20 2.62.40.116.815.90.933.632.31.258.755.82.889.277.012.1111.688.023.5126.991.535.4159.9103.856.0192.7122.170.5220.7134.086.7258.5152.7105.7299.5180.7118.8350.9200.3150.5383.7209.1174.6
15 1.51.30.211.610.11.421.119.31.742.738.93.868.153.514.582.458.024.494.159.634.5117.065.551.5138.571.866.6153.574.778.8178.179.898.3211.589.7121.7230.993.9137.0241.396.1145.2
10 1.81.60.214.712.12.626.923.73.252.144.87.272.753.619.086.357.428.995.558.636.8112.761.551.1129.564.465.0140.266.074.2155.467.987.4172.169.9102.1182.071.4110.5187.272.1115.0
05 1.81.30.515.110.84.226.220.75.549.338.310.960.042.117.867.143.024.172.543.828.783.645.038.592.546.046.497.746.551.1105.547.558.0112.748.564.2118.549.369.2122.750.772.0
77 4.22.61.523.614.59.042.530.212.374.749.325.397.153.743.4112.055.756.3121.056.564.4136.057.978.1147.359.487.9154.860.294.6161.860.8100.9168.161.8106.2173.862.6111.1178.363.4114.9
95 2.41.11.216.16.39.727.214.412.847.024.722.257.626.631.063.127.335.866.327.738.671.928.343.676.528.647.879.428.950.581.829.052.883.929.254.785.829.356.486.329.456.9
90 1.60.31.316.65.211.434.316.617.750.122.927.262.424.637.867.925.042.871.425.246.275.725.450.279.325.753.581.626.055.583.626.257.485.326.358.988.226.561.789.626.662.9
85 1.30.21.112.52.99.533.813.420.346.017.328.653.318.235.157.518.538.959.518.640.862.618.843.865.318.946.466.119.047.167.319.048.268.319.149.269.519.150.370.119.250.9
80 1.10.11.012.11.810.233.78.525.147.311.136.157.011.645.461.011.849.164.111.952.167.412.055.369.812.157.670.812.258.572.012.359.773.112.460.775.512.463.076.312.563.7
75 1.10.11.011.91.510.326.55.021.538.46.232.146.36.539.748.96.842.151.36.944.453.36.946.355.57.048.556.87.149.657.97.150.859.07.251.859.67.252.460.57.353.2
70 1.20.01.211.30.610.726.82.524.341.43.438.046.03.742.348.23.844.449.73.845.951.43.947.452.54.048.553.34.149.254.54.150.455.64.151.456.24.252.057.44.253.2
65 1.20.01.19.30.48.917.91.016.924.81.423.428.31.526.729.71.628.131.01.629.432.01.630.433.11.631.533.71.632.034.21.632.634.81.633.135.81.634.136.41.634.7
60 1.30.01.29.60.59.020.81.319.528.81.727.134.31.832.436.61.934.737.51.935.638.51.936.539.11.937.139.71.937.740.32.038.240.72.038.643.72.041.743.92.041.8
55 0.90.00.96.90.26.715.20.514.620.80.919.923.00.922.024.10.923.125.30.924.326.01.025.026.41.025.426.61.025.626.91.025.827.01.026.027.51.026.528.11.027.0
50 1.80.01.820.70.220.436.40.835.546.91.245.653.01.851.154.71.952.856.22.054.157.22.055.158.22.056.258.82.056.859.82.057.760.22.158.160.62.158.460.62.158.5
45 0.70.00.713.20.113.120.40.320.125.60.425.227.10.426.728.00.427.528.90.528.429.60.529.130.20.529.730.60.530.131.20.530.731.70.531.232.60.532.132.60.532.1
40 0.90.00.99.00.18.916.70.316.321.90.521.425.20.624.626.00.625.326.60.625.927.20.626.527.50.626.827.90.627.228.10.727.428.40.727.728.60.727.928.60.727.9
35 0.70.00.65.80.05.710.50.110.312.90.212.714.10.213.814.40.214.215.00.214.715.40.215.115.70.215.416.40.216.117.00.216.717.20.216.917.70.217.417.70.217.4
30 0.50.00.56.00.15.99.80.29.613.20.312.914.50.314.114.90.414.516.10.415.716.80.416.417.00.416.617.70.417.318.30.417.818.40.417.918.60.418.218.70.418.2
25 0.80.00.85.70.05.610.00.19.812.60.212.413.60.213.414.40.214.214.80.214.615.20.214.915.30.215.115.60.215.416.30.216.016.40.216.216.70.216.416.70.216.5
20 0.70.00.76.60.16.49.70.29.512.40.212.113.20.312.913.40.313.114.00.313.714.70.314.415.00.314.715.40.315.015.70.315.316.00.315.716.10.315.816.10.315.8
15 0.50.00.43.10.03.15.50.05.47.40.17.38.20.18.18.40.18.38.60.18.58.90.18.89.10.19.09.40.19.39.70.19.59.70.19.69.90.19.89.90.19.8
10 0.40.00.33.50.03.55.40.05.37.40.07.37.80.07.78.20.08.18.50.08.48.90.08.89.30.09.29.40.19.39.60.19.59.70.19.69.70.19.69.70.19.6
05 0.80.00.82.40.02.33.90.13.74.50.14.34.90.14.75.10.15.06.40.16.26.80.16.67.10.16.97.10.16.97.30.17.17.30.17.17.40.17.27.40.17.2
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 7,699.47 open 50,351 7,700 4.2 7,700.7 16.9 7700 16.0 17.81 -0.024 0.02400
T 10:00 7,686.95 -12.5 current 321,269 7,700 19.3 7,694.3 11.6 7685 16.6 17.96 0.068 0.02380
T30 10:30 7,688.06 +1.1 current 298,096 7,680 21.6 7,688.0 16.8 7690 15.0 17.94 -0.028 0.02760
E 11:00 7,711.99 +23.9 current 350,002 7,700 32.1 7,698.8 20.0 7710 14.0 17.61 0.079 0.03080
E30 11:30 7,721.89 +9.9 current 310,241 7,720 30.4 7,712.3 25.7 7720 12.8 17.57 0.074 0.03540
N 12:00 7,730.79 +8.9 current 229,678 7,730 26.9 7,720.0 29.5 7730 12.2 17.54 0.015 0.03960
N30 12:30 7,726.76 -4.0 current 209,116 7,730 28.2 7,724.3 29.8 7725 11.1 17.55 0.086 0.04620
P1 13:00 7,718.90 -7.9 current 227,003 7,720 32.9 7,718.2 36.6 7720 11.0 17.75 -0.065 0.05060
P130 13:30 7,720.24 +1.3 current 187,413 7,720 32.7 7,716.8 43.0 7720 10.0 17.76 0.008 0.06120
P2 14:00 7,721.62 +1.4 current 155,952 7,720 28.0 7,719.1 44.6 7720 9.4 17.72 0.077 0.07240
P230 14:30 7,717.19 -4.4 current 174,918 7,720 37.7 7,717.7 44.3 7715 9.7 17.77 0.156 0.07960
P3 15:00 7,719.56 +2.4 current 162,733 7,720 41.0 7,717.3 58.4 7720 9.2 17.70 -0.071 0.10420
P330 15:30 7,727.41 +7.8 current 269,348 7,725 68.2 7,721.9 63.9 7725 10.8 17.62 0.258 0.12010
C 16:00 Close 7,722.60 -4.8 close 428,683 7,730 117.7 7,729.4 57.3 7725 28.0 17.61 -0.828 0.17590

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.

1.9.5 STABLE (2026-10-02) · r14 · Times: US Eastern (ET). Debug · report ~67.8 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