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Contract OI history

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Jan 19, 2029 EXPIRATION

BAC $37.50 Put

BAC290119P00037500

Latest saved OI4,039Oct 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 $37.50 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. 4,0392,0190 2026-10-02: 10 OI2026-10-05: 10 OI2026-10-06: 10 OI2026-10-07: 10 OI2026-10-08: 10 OI2026-10-09: 4,010 OI2026-10-13: 4,010 OI2026-10-14: 4,010 OI2026-10-15: 4,015 OI2026-10-16: 4,030 OI2026-10-21: 4,039 OI2026-10-23: 4,039 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, 2026Viewing4,0390
Oct 21, 20264,039+9
Oct 16, 20264,030+15
Oct 15, 20264,015+5
Oct 14, 20264,0100
Oct 13, 20264,0100
Oct 09, 20264,010+4,000
Oct 08, 2026100
Oct 07, 2026100
Oct 06, 2026100
Oct 05, 2026100
Oct 02, 202610No prior observation