Volume Rolling · SPXSet

EOD ΔVol Session 2026-09-14 · Exp 2026-09-14 · Spot 7,619.98 · Window 7470–7715 · Last slot C · Generated 2026-09-14 16:45:03 ET · ET · Data: SQLite · spx_intraday_2026-09-14.json
Wall vs flow slot C · Call peak K7630 Δ39,153 vs wall K7850 away -220pt · Put peak K7625 Δ44,497 vs wall K7500 away +125pt · 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
2026-09-14 SPX O 7,611.44 · H 7,647.99 · L 7,592.28 · C 7,619.98 prior C — VIX 17.10 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 7,611.447,613.747,598.907,596.867,609.227,630.867,632.517,641.007,639.367,636.967,633.197,633.827,630.857,619.98
VIX 17.6517.4217.6117.5217.1716.7616.7616.6816.7416.7016.7616.7916.8417.08
ATM 25.5522.9522.4520.0016.8016.8516.2015.2513.4510.809.157.706.151.85
IV 15.014.414.713.812.213.013.213.512.911.611.411.813.134.7
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
15 0000000000000000000000.50.50.00.10.10.00.20.20.00.10.10.00.00.00.00.00.00.00.00.00.0
10 0000000000000000000001.41.40.00.30.30.00.20.10.00.20.20.00.20.20.00.00.00000
05 0000000000000000.60.60.00.30.30.01.11.10.00.30.300.30.30.00.70.70.00.90.90.00.00.00.00.00.00.0
77 0000000000000001.31.10.10.70.50.22.62.60.01.51.30.10.50.30.10.70.70.00.40.30.00.20.10.10.00.00.0
95 0000000000000001.41.40.00.40.40.02.22.20.01.11.00.00.30.30.00.20.200.20.20.00.10.10.00.00.00.0
90 0000000000000001.21.10.01.51.50.02.52.50.01.21.20.00.50.50.00.70.60.10.20.200.30.30.00.10.10.0
85 0001.91.80.01.11.10.00.40.40.00.60.601.31.30.01.41.30.14.44.30.01.21.10.00.40.30.00.70.60.00.20.20.00.30.30.00.10.10.0
80 0002.12.10.00.90.90.00.50.50.00.70.70.01.91.70.11.11.00.04.74.60.12.12.00.00.80.70.01.41.30.00.40.40.00.30.30.00.00.00.0
75 0002.72.00.61.21.20.00.70.60.00.70.70.02.42.30.12.52.40.14.74.40.21.71.60.11.00.90.01.91.90.00.50.40.02.02.00.00.20.10.0
70 0006.16.00.16.66.40.10.90.90.01.31.30.04.34.00.23.33.20.19.28.90.23.43.20.12.32.20.12.82.70.11.81.80.01.11.00.00.40.30.0
65 0006.46.30.19.08.90.11.31.30.01.01.00.016.115.90.24.14.00.19.99.50.46.15.70.33.42.90.43.43.10.21.61.30.21.21.00.20.40.30.0
60 0006.36.00.27.36.80.51.71.60.11.91.80.119.518.90.57.97.30.515.514.60.810.09.40.65.85.40.45.85.40.35.04.70.23.02.70.20.90.90.0
55 0007.16.80.36.05.60.41.41.30.11.61.60.013.012.20.89.58.90.615.514.51.012.011.20.87.26.50.66.35.90.45.24.90.25.14.90.21.61.50.1
50 1.81.50.311.711.10.610.710.10.54.23.90.23.53.40.117.816.71.114.613.21.321.918.43.516.114.31.713.311.71.511.510.31.29.68.21.47.26.40.74.54.00.5
45 1.51.10.310.29.30.822.321.70.513.012.80.14.34.20.118.617.31.213.411.22.221.415.36.115.812.13.614.411.23.114.511.92.613.611.22.314.011.62.36.15.20.8
40 2.01.80.213.212.40.726.325.40.815.014.60.36.46.00.424.722.22.419.314.44.921.713.78.021.311.99.423.612.111.524.415.78.627.520.07.424.318.45.815.512.23.2
35 1.61.50.010.39.60.614.113.01.05.75.20.58.17.80.224.720.04.620.812.48.319.19.110.017.77.510.214.45.19.323.78.914.827.910.916.936.424.212.235.326.19.1
30 1.91.50.413.912.41.414.412.71.69.89.20.611.310.50.732.421.411.025.812.813.018.96.911.915.43.611.712.02.59.520.03.716.323.14.318.743.312.630.669.639.130.5
25 1.31.10.214.012.31.616.913.53.310.59.80.711.811.10.727.016.410.516.67.09.615.44.510.911.11.89.27.51.56.09.52.27.313.91.812.124.64.120.568.524.144.4
20 1.71.20.516.812.74.028.318.69.713.212.01.116.114.71.426.915.111.715.05.29.713.01.911.09.91.38.66.61.05.57.41.06.38.21.26.915.82.013.737.77.530.2
15 1.41.00.419.411.97.526.514.611.811.29.31.814.011.32.720.710.210.510.42.77.79.01.17.87.30.96.44.50.44.04.00.53.44.50.44.05.30.64.613.72.111.5
10 1.91.20.616.97.59.421.78.812.812.59.72.720.014.75.218.46.411.97.61.06.67.50.76.86.20.65.53.60.33.23.20.32.93.50.33.14.60.73.85.91.04.9
05 2.21.21.013.95.97.916.14.611.515.39.75.520.011.98.014.84.210.67.30.66.76.90.66.32.70.12.52.60.22.41.60.21.31.90.11.72.70.12.53.00.32.7
76 4.01.62.419.27.112.024.65.818.828.314.413.826.712.614.120.63.816.89.30.78.58.70.97.83.20.32.82.70.32.42.60.22.43.70.23.43.30.42.93.20.42.8
95 1.90.61.39.52.17.413.11.711.319.85.614.212.73.98.79.71.68.04.20.43.83.70.33.32.30.22.11.90.01.81.20.11.11.30.01.21.70.11.51.40.31.1
90 1.30.31.08.81.27.512.40.911.413.82.910.811.82.19.611.10.910.23.80.23.64.40.14.31.80.01.71.20.01.20.80.00.80.70.00.70.90.00.90.50.00.5
85 1.30.40.87.90.87.09.30.48.99.21.37.98.61.27.36.50.36.22.50.12.32.20.02.11.00.01.01.10.11.00.50.00.41.00.01.00.20.00.20.60.00.6
80 1.10.11.07.20.66.59.90.59.411.20.810.310.50.79.77.10.26.82.80.12.63.00.03.01.00.01.00.90.00.91.00.01.00.70.00.60.40.00.40.60.00.5
75 1.00.00.96.20.55.78.20.27.910.20.69.69.00.48.57.00.16.82.60.02.62.80.02.80.60.00.51.40.01.40.60.00.50.800.80.30.00.30.40.00.3
70 1.10.01.16.30.26.06.60.26.38.50.67.97.00.36.74.60.24.41.50.01.51.80.01.80.60.00.60.60.00.60.30.00.31.40.01.40.30.00.30.50.00.5
65 1.00.00.95.50.25.35.50.15.45.60.45.24.40.24.23.50.03.41.40.01.40.90.00.90.50.00.50.30.00.30.10.00.10.400.40.10.00.10.10.00.1
60 1.70.01.65.20.15.19.80.19.78.00.27.86.30.16.13.30.03.21.40.01.41.10.01.10.70.00.70.50.00.50.30.00.30.70.00.70.10.00.10.10.00.1
55 1.30.01.34.20.04.18.30.08.35.20.15.02.60.12.52.60.02.61.20.01.20.90.00.90.70.00.70.30.00.30.400.40.300.30.70.00.70.00.00.0
50 3.20.03.113.90.113.75.70.25.56.30.26.14.80.14.62.70.12.61.60.01.61.00.01.01.10.01.10.200.20.30.00.31.30.01.30.40.00.40.10.00.1
45 1.70.01.710.10.010.13.00.02.93.50.13.42.10.02.02.00.02.00.70.00.71.80.01.80.300.30.90.00.90.100.10.30.00.30.30.00.30.100.1
40 1.20.01.22.90.02.93.20.13.12.80.02.71.70.01.61.70.11.60.30.00.31.00.01.00.10.00.10.10.00.10.200.20.100.10.00.00.00.00.00.0
35 1.00.01.02.10.02.01.00.01.01.20.01.11.00.01.01.30.01.30.30.00.30.50.00.50.40.00.40.10.00.10.20.00.10.10.00.10.100.10.00.00.0
30 0.90.00.92.80.02.81.90.01.92.10.02.11.30.01.31.10.01.10.70.00.70.700.70.200.20.500.50.100.10.100.10.30.00.30.000.0
25 1.10.01.12.60.12.51.50.01.41.80.01.72.00.01.91.20.01.20.20.00.20.40.00.40.100.10.20.00.20.000.00.10.00.00.60.00.60.00.00.0
20 1.00.01.02.20.02.21.40.01.30.90.00.91.30.01.20.50.00.50.200.20.400.40.200.20.000.00.100.10.00.00.00.300.30.00.00.0
15 0.30.00.31.30.11.20.40.10.30.20.00.20.60.00.60.500.50.200.20.20.00.20.100.10.000.00.100.10.000.00.00.00.00.000.0
10 0.70.00.72.10.02.00.60.00.60.90.00.90.40.00.40.400.40.20.00.20.500.50.000.00.10.00.10.200.20.000.00.000.00.00.00
05 0.20.00.20.60.00.60.50.00.50.500.50.400.40.300.30.200.20.500.50.200.20.000.00.300.30.200.20.20.00.2000
75 0.50.00.51.60.01.61.80.01.70.50.00.50.90.00.90.70.00.70.100.10.50.00.50.200.20.20.00.20.100.10.10.00.10.10.00.10.00.00.0
95 0.100.10.600.60.20.00.20.70.00.70.200.20.20.00.20.000.00.600.60.100.10.400.40.100.10.000.00.000.00.00.00.0
90 0.10.00.10.40.00.40.500.50.200.20.400.40.100.10.100.10.200.20.600.60.100.10.300.30.100.10.00.00.00.00.00.0
85 0.000.00.70.00.60.40.00.40.200.20.30.00.30.200.20.100.10.100.10.200.20.000.00.20.00.20.200.20.000.00.00.00.0
80 0.200.20.300.30.30.00.30.30.00.30.10.00.10.200.20.400.40.300.30.200.20.10.00.10.200.20.300.30.00.00.00.00.00
75 0.100.10.40.00.40.200.20.00.00.00.10.00.10.100.10.60.00.60.100.10.100.10.000.00.000.00.000.00.00.00.0000
70 0.100.10.80.00.80.100.10.100.10.100.10.100.10.100.10.100.10.100.10.000.00.000.00.200.20000.00.00

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
15 0000000000000000000005.35.30.05.55.40.05.75.70.05.95.80.05.95.80.05.95.90.05.95.90.0
10 0000000000000000000005.35.20.05.75.60.05.95.80.16.26.00.16.46.30.16.56.30.16.56.30.1
05 0000000000000004.24.10.04.54.50.05.75.60.06.16.00.06.56.40.07.27.10.18.18.00.18.18.00.18.28.00.1
77 0000000000000005.84.90.86.65.51.09.38.21.110.89.51.311.49.91.412.110.71.412.611.01.512.811.21.612.911.21.6
95 0000000000000004.84.70.15.35.20.17.67.40.18.78.50.19.08.80.29.39.10.29.69.30.29.79.50.29.89.50.2
90 0000000000000004.24.10.15.75.60.18.38.10.29.69.30.210.19.80.210.910.50.311.210.80.311.511.10.311.611.20.3
85 0002.42.30.03.53.40.14.03.90.14.74.50.16.15.90.17.67.30.312.011.60.313.212.80.313.613.20.414.413.90.514.714.20.515.114.50.515.214.70.5
80 0003.02.90.04.03.90.14.54.40.15.35.20.17.26.90.28.38.00.213.112.70.415.214.70.516.115.50.617.516.80.618.017.30.718.417.70.718.517.70.7
75 0003.52.70.84.83.90.95.64.61.06.35.31.08.87.61.111.310.01.216.014.51.417.816.21.618.817.21.620.819.11.721.419.61.823.421.61.823.721.81.8
70 0006.76.60.113.313.00.214.213.90.315.615.30.319.919.40.523.322.70.632.631.60.936.034.91.138.437.11.241.339.81.443.241.71.544.342.71.544.743.11.6
65 0007.27.00.216.315.90.317.717.30.418.718.30.434.934.20.639.138.20.849.147.81.355.253.51.658.656.52.162.059.72.363.661.12.564.962.12.865.362.42.8
60 0007.47.00.414.813.90.916.615.51.018.617.31.238.136.31.746.043.72.361.658.43.271.767.83.877.673.24.383.478.74.788.583.54.991.586.35.292.587.25.2
55 0008.68.10.414.713.80.816.115.10.917.816.71.030.929.01.840.438.02.456.052.53.568.063.74.375.270.34.981.676.25.386.881.25.692.086.15.893.687.65.9
50 1.81.50.313.512.60.924.322.81.528.526.81.732.130.21.850.047.03.064.660.24.386.678.77.8102.793.09.6116.1104.811.2127.7115.112.5137.3123.413.9144.6129.914.7149.1133.915.2
45 1.51.10.311.710.51.134.032.31.747.045.11.951.449.32.070.066.63.383.577.95.5104.993.211.6120.7105.415.3135.2116.718.5149.8128.621.1163.4139.923.4177.4151.625.8183.5156.826.7
40 2.01.80.215.214.30.941.539.71.756.554.42.163.060.42.687.882.75.1107.197.110.0128.9110.818.0150.2122.727.4173.9134.938.9198.3150.647.6225.9170.755.1250.2189.161.0265.7201.464.3
35 1.61.50.012.011.20.726.124.31.831.929.52.340.037.42.664.857.57.385.669.915.6104.779.025.6122.486.535.8136.991.745.1160.6100.660.0188.5111.676.9225.0135.889.2260.4162.098.4
30 1.91.50.415.813.91.830.226.73.540.135.94.151.446.44.983.867.815.9109.780.729.0128.687.641.0144.191.352.7156.293.862.3176.297.678.6199.3101.997.3242.7114.6128.0312.4153.8158.6
25 1.31.10.215.413.51.932.327.05.242.936.96.054.848.06.881.864.417.498.571.427.0113.975.937.9125.077.847.2132.679.353.2142.281.560.6156.183.372.7180.887.593.2249.4111.6137.7
20 1.71.20.518.614.04.547.032.714.360.244.715.476.359.416.9103.374.528.7118.379.838.5131.481.849.5141.383.158.2147.984.163.7155.385.270.1163.586.577.0179.488.590.8217.196.0121.0
15 1.41.00.420.913.07.947.527.619.858.737.021.772.848.324.493.558.534.9104.061.342.6113.062.550.5120.463.456.9124.963.961.0128.964.464.5133.564.968.5138.865.673.2152.667.884.7
10 1.91.20.618.88.710.040.517.622.853.127.425.673.142.230.991.548.742.899.249.849.4106.850.556.2113.051.261.8116.651.665.0119.951.968.0123.452.271.2128.153.075.0134.054.080.0
05 2.21.21.016.27.28.932.311.820.547.721.626.167.733.534.182.637.844.889.938.451.596.939.057.999.639.260.4102.239.462.8103.939.664.2105.839.866.0108.539.968.5111.640.371.2
76 4.01.62.423.28.714.447.914.633.276.229.047.1103.041.661.3123.745.578.1133.046.386.7141.847.294.6145.047.697.4147.847.999.8150.448.1102.3154.248.4105.7157.648.8108.7160.849.3111.5
95 1.90.61.311.52.78.724.64.520.144.510.134.357.214.143.166.915.851.171.216.254.974.916.658.377.216.860.479.216.862.380.416.963.481.717.064.683.417.266.284.917.567.3
90 1.30.31.010.11.68.522.62.520.036.45.530.948.27.640.559.48.650.763.38.954.467.79.058.769.59.060.470.89.061.771.79.162.572.59.163.373.49.164.274.09.264.8
85 1.30.40.89.21.37.918.61.716.927.83.024.836.54.332.143.04.638.445.54.740.747.74.842.948.84.843.949.94.944.950.44.945.451.45.046.451.75.046.752.45.047.3
80 1.10.11.08.30.77.618.31.217.029.52.127.440.02.837.147.13.044.049.93.246.753.03.249.854.13.350.855.13.351.856.23.352.856.93.353.557.43.454.058.03.454.5
75 1.00.00.97.30.56.715.50.814.725.81.424.334.81.832.941.82.039.744.52.142.447.42.145.248.02.145.849.42.147.250.02.247.850.92.248.651.22.249.051.62.249.4
70 1.10.01.17.40.37.114.00.513.522.61.221.429.71.528.134.41.732.635.91.834.137.81.836.038.41.836.639.11.837.239.41.837.640.91.839.141.21.839.441.81.839.9
65 1.00.00.96.50.36.212.10.411.617.80.816.922.31.121.125.81.124.627.21.226.028.21.226.928.71.227.529.11.227.929.31.228.029.71.228.429.81.228.530.01.228.7
60 1.70.01.66.90.16.816.80.216.524.90.424.431.20.630.634.50.633.836.00.735.337.20.736.438.00.737.238.50.737.838.90.738.139.60.738.839.70.739.039.90.739.1
55 1.30.01.35.60.15.514.00.113.819.20.318.821.90.421.424.50.524.025.80.525.226.70.526.227.40.526.927.80.527.328.30.527.728.60.528.129.40.528.829.40.528.9
50 3.20.03.117.10.116.922.80.322.529.20.628.634.10.733.336.80.935.938.50.937.639.60.938.640.70.939.841.00.940.141.40.940.542.70.941.843.10.942.243.30.942.3
45 1.70.01.711.90.011.814.90.114.818.50.218.220.60.320.322.60.322.323.40.323.125.20.324.925.60.325.326.60.326.326.70.326.427.10.326.827.40.327.127.50.327.2
40 1.20.01.24.10.04.17.40.17.210.20.210.011.90.211.713.70.313.314.00.313.715.10.314.715.20.414.815.30.414.915.60.415.215.70.415.315.80.415.415.80.415.4
35 1.00.01.03.20.03.14.20.04.25.50.05.46.50.16.47.90.17.78.20.18.18.70.18.69.20.19.19.40.19.39.60.19.59.70.19.69.80.19.79.90.19.7
30 0.90.00.93.70.03.75.70.05.67.80.07.89.20.09.110.40.010.311.10.111.011.90.111.812.20.112.112.70.112.612.90.112.813.00.112.913.40.113.313.40.113.3
25 1.10.01.13.70.13.65.30.25.17.20.26.99.20.28.910.40.210.110.70.210.411.10.210.911.30.211.011.50.211.211.60.211.311.70.311.412.30.312.012.30.312.0
20 1.00.01.03.20.03.24.60.04.65.60.05.66.90.06.87.40.07.47.70.07.68.10.08.08.40.08.38.40.08.38.50.08.58.60.08.59.00.08.99.00.08.9
15 0.30.00.31.60.11.52.10.21.82.40.22.13.00.22.73.50.23.33.80.23.54.10.23.84.20.24.04.20.24.04.40.24.14.40.24.24.50.24.24.50.24.2
10 0.70.00.72.90.02.83.50.03.54.50.04.44.90.14.85.40.15.35.60.15.56.10.16.06.20.16.16.40.16.36.60.16.56.70.16.66.70.16.66.80.16.6
05 0.20.00.20.80.00.81.40.01.41.90.01.92.40.02.42.70.02.73.00.03.03.50.03.53.70.03.73.70.03.74.10.04.04.30.04.34.50.04.54.50.04.5
75 0.50.00.52.20.02.14.00.03.94.50.04.45.40.05.46.20.06.16.30.06.26.80.06.77.10.07.07.30.07.27.40.07.37.60.07.57.70.17.67.70.17.6
95 0.100.10.800.81.10.01.01.80.01.82.10.02.12.40.02.42.40.02.43.10.03.13.30.03.23.70.03.63.80.03.83.80.03.83.90.03.83.90.03.8
90 0.10.00.10.50.00.51.00.01.01.20.01.21.60.01.61.80.01.82.00.02.02.30.02.32.90.02.93.00.03.03.40.03.43.50.03.53.60.03.63.60.03.6
85 0.000.00.70.00.71.10.01.11.40.01.41.80.01.82.00.02.02.10.02.12.30.02.32.50.02.52.60.02.62.90.02.83.10.03.13.10.03.13.10.03.1
80 0.200.20.500.50.90.00.81.30.01.21.40.01.41.70.01.72.10.02.12.40.02.42.70.02.72.90.02.93.20.03.13.60.03.53.60.03.53.60.03.5
75 0.100.10.60.00.50.80.00.80.80.00.81.00.01.01.10.01.11.80.01.82.00.02.02.10.02.12.10.02.12.20.02.22.30.02.32.30.02.32.30.02.3
70 0.100.11.00.01.01.20.01.21.30.01.31.40.01.41.50.01.51.70.01.61.80.01.81.90.01.92.00.02.02.10.02.12.30.02.32.30.02.32.30.02.3
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 7,611.44 open 47,211 7,600 4.0 7,584.4 12.1 7610 15.0 17.65 -0.204 0.02500
T 10:00 7,613.74 +2.3 current 300,155 7,615 19.4 7,604.4 17.7 7615 14.4 17.42 -0.054 0.02780
T30 10:30 7,598.90 -14.8 current 362,057 7,620 28.3 7,610.4 14.9 7600 14.7 17.61 -0.017 0.02860
E 11:00 7,596.86 -2.0 current 261,595 7,600 28.3 7,599.5 23.7 7595 13.8 17.52 0.062 0.03180
E30 11:30 7,609.22 +12.4 current 242,721 7,600 26.7 7,600.7 22.3 7610 12.2 17.17 -0.016 0.03790
N 12:00 7,630.86 +21.6 current 380,351 7,630 32.4 7,622.1 22.1 7630 13.0 16.76 0.054 0.03760
N30 12:30 7,632.51 +1.7 current 222,843 7,630 25.8 7,626.2 29.6 7635 13.2 16.76 -0.098 0.03920
P1 13:00 7,641.00 +8.5 current 269,979 7,650 21.9 7,634.0 23.1 7640 13.5 16.68 0.041 0.04180
P130 13:30 7,639.36 -1.6 current 183,520 7,640 21.3 7,634.4 29.9 7640 12.9 16.74 -0.064 0.04760
P2 14:00 7,636.96 -2.4 current 141,712 7,640 23.6 7,632.9 35.4 7635 11.6 16.70 0.135 0.05900
P230 14:30 7,633.19 -3.8 current 157,499 7,640 24.4 7,634.8 43.3 7635 11.4 16.76 -0.114 0.06920
P3 15:00 7,633.82 +0.6 current 166,619 7,635 27.9 7,631.0 47.2 7635 11.8 16.79 -0.028 0.08220
P330 15:30 7,630.85 -3.0 current 204,235 7,630 43.3 7,630.6 51.2 7630 13.1 16.84 0.153 0.10280
C 16:00 Close 7,619.98 -10.9 close 272,925 7,630 69.6 7,627.0 44.0 7620 34.7 17.08 -0.225 0.36570

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_2026-09-14_2026-09-14_0900.json Debug · report ~68.2 KB · slots 14/14 · strikes 50 · maps 84 · keys 3954 · 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