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Contract OI history

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Dec 18, 2026 EXPIRATION

BMY $40.00 Put

BMY261218P00040000

Latest saved OI3,816Oct 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. 3,8421,9210 2026-10-02: 3,820 OI2026-10-05: 3,842 OI2026-10-06: 3,842 OI2026-10-07: 3,842 OI2026-10-08: 3,842 OI2026-10-09: 3,842 OI2026-10-13: 3,821 OI2026-10-14: 3,821 OI2026-10-15: 3,821 OI2026-10-16: 3,821 OI2026-10-21: 3,816 OI2026-10-23: 3,816 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, 2026Viewing3,8160
Oct 21, 20263,816-5
Oct 16, 20263,8210
Oct 15, 20263,8210
Oct 14, 20263,8210
Oct 13, 20263,821-21
Oct 09, 20263,8420
Oct 08, 20263,8420
Oct 07, 20263,8420
Oct 06, 20263,8420
Oct 05, 20263,842+22
Oct 02, 20263,820No prior observation