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Contract OI history

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Jun 17, 2027 EXPIRATION

MRK $90.00 Put

MRK270617P00090000

Latest saved OI3,725Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MRK $90.00 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. 3,7251,8620 2026-10-02: 3,724 OI2026-10-05: 3,724 OI2026-10-06: 3,724 OI2026-10-07: 3,724 OI2026-10-08: 3,724 OI2026-10-09: 3,724 OI2026-10-13: 3,724 OI2026-10-14: 3,724 OI2026-10-15: 3,724 OI2026-10-16: 3,724 OI2026-10-21: 3,725 OI2026-10-23: 3,725 OI Oct 02, 2026Oct 23, 2026

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

MRK contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing3,7250
Oct 21, 20263,725+1
Oct 16, 20263,7240
Oct 15, 20263,7240
Oct 14, 20263,7240
Oct 13, 20263,7240
Oct 09, 20263,7240
Oct 08, 20263,7240
Oct 07, 20263,7240
Oct 06, 20263,7240
Oct 05, 20263,7240
Oct 02, 20263,724No prior observation