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Contract OI history

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Oct 30, 2026 EXPIRATION

BAC $51.00 Put

BAC261030P00051000

Latest saved OI1,809Oct 23, 2026
Last change+999vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BAC $51.00 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. 1,8099040 2026-10-02: 511 OI2026-10-05: 516 OI2026-10-06: 520 OI2026-10-07: 596 OI2026-10-08: 596 OI2026-10-09: 628 OI2026-10-13: 634 OI2026-10-14: 634 OI2026-10-15: 684 OI2026-10-16: 738 OI2026-10-21: 810 OI2026-10-23: 1,809 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, 2026Viewing1,809+999
Oct 21, 2026810+72
Oct 16, 2026738+54
Oct 15, 2026684+50
Oct 14, 20266340
Oct 13, 2026634+6
Oct 09, 2026628+32
Oct 08, 20265960
Oct 07, 2026596+76
Oct 06, 2026520+4
Oct 05, 2026516+5
Oct 02, 2026511No prior observation