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Contract OI history

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Feb 19, 2027 EXPIRATION

BAC $40.00 Put

BAC270219P00040000

Latest saved OI696Oct 23, 2026
Last change+44vs 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. 6963480 2026-10-02: 645 OI2026-10-05: 646 OI2026-10-06: 646 OI2026-10-07: 646 OI2026-10-08: 646 OI2026-10-09: 646 OI2026-10-13: 648 OI2026-10-14: 648 OI2026-10-15: 649 OI2026-10-16: 649 OI2026-10-21: 652 OI2026-10-23: 696 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, 2026Viewing696+44
Oct 21, 2026652+3
Oct 16, 20266490
Oct 15, 2026649+1
Oct 14, 20266480
Oct 13, 2026648+2
Oct 09, 20266460
Oct 08, 20266460
Oct 07, 20266460
Oct 06, 20266460
Oct 05, 2026646+1
Oct 02, 2026645No prior observation