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Contract OI history

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Apr 16, 2027 EXPIRATION

BAC $42.50 Put

BAC270416P00042500

Latest saved OI351Oct 23, 2026
Last change+13vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BAC $42.50 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. 3511750 2026-10-02: 44 OI2026-10-05: 44 OI2026-10-06: 80 OI2026-10-07: 124 OI2026-10-08: 124 OI2026-10-09: 165 OI2026-10-13: 267 OI2026-10-14: 267 OI2026-10-15: 336 OI2026-10-16: 336 OI2026-10-21: 338 OI2026-10-23: 351 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, 2026Viewing351+13
Oct 21, 2026338+2
Oct 16, 20263360
Oct 15, 2026336+69
Oct 14, 20262670
Oct 13, 2026267+102
Oct 09, 2026165+41
Oct 08, 20261240
Oct 07, 2026124+44
Oct 06, 202680+36
Oct 05, 2026440
Oct 02, 202644No prior observation