V7: Cross-Strike 9:30 Estimate

v72026-07-03159915.SZ All CallsK=3.4-4.8

Single day, all July call strikes. At 9:30, snapshot each contract's IV. Forecast BSM price all day. Shows which strikes have biggest error, how IV drift differs by moneyness.

Changelog:
v6 → Best time of day, single ATM strike v7 → Single day, ALL call strikes, cross-strike comparison of 9:30 estimate accuracy

IV Skew: 9:30 vs End of Day

36.533.831.128.325.63.43.73.94.14.34.54.79:30 IVEnd IV

MAE by Strike (9:30 forecast all day)

0.00970.00650.00320.00003.43.63.73.83.94.04.14.24.34.44.54.64.74.8

MAPE (%) by Strike — percentage error grows for OTM

2416803.43.63.73.83.94.04.14.24.34.44.54.64.74.8

IV Drift (9:30 → End) by Strike

-2.7-5.5-8.2-10.93.43.63.73.83.94.04.14.24.34.44.54.64.74.8

IV Intraday Path (sampled strikes)

35.832.428.925.422.009:30:0010:30:0011:30:0013:59:0014:59:00K=3.6K=3.8K=4K=4.2K=4.5K=4.8

All Strikes Detail

KOTM%9:30 IVIV DriftIV RangeMAEMAPEDeltaGamma
3.4-15.8%26.5%0.0%8.7%0.00891.3%0.9920.073
3.6-10.8%36.5%-10.9%14.6%0.00992.0%0.8870.474
3.7-8.4%35.3%-6.4%7.4%0.00822.0%0.8330.639
3.8-5.9%35.5%-4.8%4.8%0.00902.8%0.7540.800
3.9-3.4%36.1%-4.9%4.9%0.01234.9%0.6610.914
4.0-0.9%35.7%-4.1%4.1%0.01146.0%0.5640.994
4.1+1.5%36.2%-4.5%4.5%0.01309.3%0.4650.989
4.2+4.0%36.3%-4.4%4.4%0.012112.1%0.3710.938
4.3+6.5%36.5%-4.0%4.0%0.010214.6%0.2870.841
4.4+9.0%36.8%-3.9%3.9%0.008417.6%0.2160.719
4.5+11.4%37.4%-4.0%4.0%0.007121.8%0.1620.590
4.6+13.9%37.9%-4.3%4.4%0.005726.6%0.1180.470
4.7+16.4%38.6%-4.0%4.1%0.004430.2%0.0860.367
4.8+18.9%39.3%-3.5%3.5%0.003332.6%0.0620.282