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Contract OI history

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Dec 15, 2028 EXPIRATION

BMY $40.00 Put

BMY281215P00040000

Latest saved OI3,305Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BMY $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. 3,3061,6530 2026-10-02: 3,278 OI2026-10-05: 3,278 OI2026-10-06: 3,280 OI2026-10-07: 3,280 OI2026-10-08: 3,280 OI2026-10-09: 3,280 OI2026-10-13: 3,306 OI2026-10-14: 3,306 OI2026-10-15: 3,306 OI2026-10-16: 3,306 OI2026-10-21: 3,305 OI2026-10-23: 3,305 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

BMY contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing3,3050
Oct 21, 20263,305-1
Oct 16, 20263,3060
Oct 15, 20263,3060
Oct 14, 20263,3060
Oct 13, 20263,306+26
Oct 09, 20263,2800
Oct 08, 20263,2800
Oct 07, 20263,2800
Oct 06, 20263,280+2
Oct 05, 20263,2780
Oct 02, 20263,278No prior observation