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Contract OI history

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Dec 18, 2026 EXPIRATION

BAC $57.50 Put

BAC261218P00057500

Latest saved OI5,871Oct 23, 2026
Last change+25vs 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. 5,8712,9350 2026-10-02: 5,783 OI2026-10-05: 5,783 OI2026-10-06: 5,783 OI2026-10-07: 5,799 OI2026-10-08: 5,799 OI2026-10-09: 5,858 OI2026-10-13: 5,856 OI2026-10-14: 5,856 OI2026-10-15: 5,870 OI2026-10-16: 5,823 OI2026-10-21: 5,846 OI2026-10-23: 5,871 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, 2026Viewing5,871+25
Oct 21, 20265,846+23
Oct 16, 20265,823-47
Oct 15, 20265,870+14
Oct 14, 20265,8560
Oct 13, 20265,856-2
Oct 09, 20265,858+59
Oct 08, 20265,7990
Oct 07, 20265,799+16
Oct 06, 20265,7830
Oct 05, 20265,7830
Oct 02, 20265,783No prior observation