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Contract OI history

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Jan 21, 2028 EXPIRATION

BAC $40.00 Put

BAC280121P00040000

Latest saved OI12,548Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BAC $40.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 12,5486,2740 2026-10-02: 10,558 OI2026-10-05: 10,478 OI2026-10-06: 10,528 OI2026-10-07: 10,528 OI2026-10-08: 10,528 OI2026-10-09: 11,719 OI2026-10-13: 12,158 OI2026-10-14: 12,158 OI2026-10-15: 12,232 OI2026-10-16: 12,232 OI2026-10-21: 12,548 OI2026-10-23: 12,548 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

BAC contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing12,5480
Oct 21, 202612,548+316
Oct 16, 202612,2320
Oct 15, 202612,232+74
Oct 14, 202612,1580
Oct 13, 202612,158+439
Oct 09, 202611,719+1,191
Oct 08, 202610,5280
Oct 07, 202610,5280
Oct 06, 202610,528+50
Oct 05, 202610,478-80
Oct 02, 202610,558No prior observation