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Contract OI history

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Feb 19, 2027 EXPIRATION

BAC $37.50 Put

BAC270219P00037500

Latest saved OI70Oct 23, 2026
Last change0vs previous saved observation
Saved market days10Oct 06, 2026 onwards
Daily open interest Hover a point for its date and OI
BAC $37.50 put open interest history 10 saved observations from 2026-10-06 to 2026-10-23. Exact values and changes are listed in the table below. 70350 2026-10-06: 2 OI2026-10-07: 2 OI2026-10-08: 2 OI2026-10-09: 2 OI2026-10-13: 2 OI2026-10-14: 2 OI2026-10-15: 60 OI2026-10-16: 60 OI2026-10-21: 70 OI2026-10-23: 70 OI Oct 06, 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, 2026Viewing700
Oct 21, 202670+10
Oct 16, 2026600
Oct 15, 202660+58
Oct 14, 202620
Oct 13, 202620
Oct 09, 202620
Oct 08, 202620
Oct 07, 202620
Oct 06, 20262No prior observation