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Contract OI history

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Feb 19, 2027 EXPIRATION

BAC $42.50 Put

BAC270219P00042500

Latest saved OI288Oct 23, 2026
Last change0vs 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. 2881440 2026-10-02: 26 OI2026-10-05: 34 OI2026-10-06: 34 OI2026-10-07: 38 OI2026-10-08: 38 OI2026-10-09: 38 OI2026-10-13: 38 OI2026-10-14: 38 OI2026-10-15: 73 OI2026-10-16: 73 OI2026-10-21: 288 OI2026-10-23: 288 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, 2026Viewing2880
Oct 21, 2026288+215
Oct 16, 2026730
Oct 15, 202673+35
Oct 14, 2026380
Oct 13, 2026380
Oct 09, 2026380
Oct 08, 2026380
Oct 07, 202638+4
Oct 06, 2026340
Oct 05, 202634+8
Oct 02, 202626No prior observation