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Contract OI history

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Dec 18, 2026 EXPIRATION

BAC $42.00 Put

BAC261218P00042000

Latest saved OI5,797Oct 23, 2026
Last change+33vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BAC $42.00 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. 5,7972,8980 2026-10-02: 5,151 OI2026-10-05: 5,162 OI2026-10-06: 5,182 OI2026-10-07: 5,349 OI2026-10-08: 5,349 OI2026-10-09: 5,491 OI2026-10-13: 5,492 OI2026-10-14: 5,492 OI2026-10-15: 5,516 OI2026-10-16: 5,563 OI2026-10-21: 5,764 OI2026-10-23: 5,797 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, 2026Viewing5,797+33
Oct 21, 20265,764+201
Oct 16, 20265,563+47
Oct 15, 20265,516+24
Oct 14, 20265,4920
Oct 13, 20265,492+1
Oct 09, 20265,491+142
Oct 08, 20265,3490
Oct 07, 20265,349+167
Oct 06, 20265,182+20
Oct 05, 20265,162+11
Oct 02, 20265,151No prior observation