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Contract OI history

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Oct 23, 2026 EXPIRATION

BAC $51.00 Put

BAC261023P00051000

Latest saved OI4,977Oct 23, 2026
Last change-315vs 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. 5,2922,6460 2026-10-02: 213 OI2026-10-05: 235 OI2026-10-06: 253 OI2026-10-07: 266 OI2026-10-08: 266 OI2026-10-09: 347 OI2026-10-13: 407 OI2026-10-14: 407 OI2026-10-15: 1,451 OI2026-10-16: 4,673 OI2026-10-21: 5,292 OI2026-10-23: 4,977 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, 2026Viewing4,977-315
Oct 21, 20265,292+619
Oct 16, 20264,673+3,222
Oct 15, 20261,451+1,044
Oct 14, 20264070
Oct 13, 2026407+60
Oct 09, 2026347+81
Oct 08, 20262660
Oct 07, 2026266+13
Oct 06, 2026253+18
Oct 05, 2026235+22
Oct 02, 2026213No prior observation