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Contract OI history

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Jan 19, 2029 EXPIRATION

BAC $40.00 Put

BAC290119P00040000

Latest saved OI1,526Oct 23, 2026
Last change+2vs 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. 1,5267630 2026-10-02: 63 OI2026-10-05: 63 OI2026-10-06: 68 OI2026-10-07: 70 OI2026-10-08: 70 OI2026-10-09: 78 OI2026-10-13: 79 OI2026-10-14: 79 OI2026-10-15: 127 OI2026-10-16: 127 OI2026-10-21: 1,524 OI2026-10-23: 1,526 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, 2026Viewing1,526+2
Oct 21, 20261,524+1,397
Oct 16, 20261270
Oct 15, 2026127+48
Oct 14, 2026790
Oct 13, 202679+1
Oct 09, 202678+8
Oct 08, 2026700
Oct 07, 202670+2
Oct 06, 202668+5
Oct 05, 2026630
Oct 02, 202663No prior observation