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Contract OI history

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Jan 19, 2029 EXPIRATION

BAC $42.50 Put

BAC290119P00042500

Latest saved OI1,404Oct 23, 2026
Last change+5vs 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. 1,4047020 2026-10-02: 1,388 OI2026-10-05: 1,388 OI2026-10-06: 1,388 OI2026-10-07: 1,388 OI2026-10-08: 1,388 OI2026-10-09: 1,388 OI2026-10-13: 1,388 OI2026-10-14: 1,388 OI2026-10-15: 1,399 OI2026-10-16: 1,399 OI2026-10-21: 1,399 OI2026-10-23: 1,404 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, 2026Viewing1,404+5
Oct 21, 20261,3990
Oct 16, 20261,3990
Oct 15, 20261,399+11
Oct 14, 20261,3880
Oct 13, 20261,3880
Oct 09, 20261,3880
Oct 08, 20261,3880
Oct 07, 20261,3880
Oct 06, 20261,3880
Oct 05, 20261,3880
Oct 02, 20261,388No prior observation