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Contract OI history

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Dec 15, 2028 EXPIRATION

BAC $40.00 Put

BAC281215P00040000

Latest saved OI5,259Oct 23, 2026
Last change+2vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BAC $40.00 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. 5,2592,6290 2026-10-02: 5,259 OI2026-10-05: 5,259 OI2026-10-06: 5,259 OI2026-10-07: 5,259 OI2026-10-08: 5,259 OI2026-10-09: 5,259 OI2026-10-13: 5,259 OI2026-10-14: 5,259 OI2026-10-15: 5,255 OI2026-10-16: 5,255 OI2026-10-21: 5,257 OI2026-10-23: 5,259 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, 2026Viewing5,259+2
Oct 21, 20265,257+2
Oct 16, 20265,2550
Oct 15, 20265,255-4
Oct 14, 20265,2590
Oct 13, 20265,2590
Oct 09, 20265,2590
Oct 08, 20265,2590
Oct 07, 20265,2590
Oct 06, 20265,2590
Oct 05, 20265,2590
Oct 02, 20265,259No prior observation