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Contract OI history

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May 21, 2027 EXPIRATION

BAC $57.50 Put

BAC270521P00057500

Latest saved OI102Oct 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 $57.50 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. 102510 2026-10-02: 97 OI2026-10-05: 97 OI2026-10-06: 100 OI2026-10-07: 100 OI2026-10-08: 100 OI2026-10-09: 101 OI2026-10-13: 101 OI2026-10-14: 101 OI2026-10-15: 101 OI2026-10-16: 101 OI2026-10-21: 102 OI2026-10-23: 102 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, 2026Viewing1020
Oct 21, 2026102+1
Oct 16, 20261010
Oct 15, 20261010
Oct 14, 20261010
Oct 13, 20261010
Oct 09, 2026101+1
Oct 08, 20261000
Oct 07, 20261000
Oct 06, 2026100+3
Oct 05, 2026970
Oct 02, 202697No prior observation