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Contract OI history

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May 21, 2027 EXPIRATION

BAC $50.00 Put

BAC270521P00050000

Latest saved OI760Oct 23, 2026
Last change+4vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BAC $50.00 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. 7603800 2026-10-02: 620 OI2026-10-05: 616 OI2026-10-06: 640 OI2026-10-07: 647 OI2026-10-08: 647 OI2026-10-09: 652 OI2026-10-13: 659 OI2026-10-14: 659 OI2026-10-15: 663 OI2026-10-16: 663 OI2026-10-21: 756 OI2026-10-23: 760 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, 2026Viewing760+4
Oct 21, 2026756+93
Oct 16, 20266630
Oct 15, 2026663+4
Oct 14, 20266590
Oct 13, 2026659+7
Oct 09, 2026652+5
Oct 08, 20266470
Oct 07, 2026647+7
Oct 06, 2026640+24
Oct 05, 2026616-4
Oct 02, 2026620No prior observation