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Contract OI history

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Jan 21, 2028 EXPIRATION

MRK $95.00 Put

MRK280121P00095000

Latest saved OI1,271Oct 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 $95.00 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. 1,2726360 2026-10-02: 1,272 OI2026-10-05: 1,272 OI2026-10-06: 1,272 OI2026-10-07: 1,272 OI2026-10-08: 1,272 OI2026-10-09: 1,272 OI2026-10-13: 1,272 OI2026-10-14: 1,272 OI2026-10-15: 1,272 OI2026-10-16: 1,271 OI2026-10-21: 1,271 OI2026-10-23: 1,271 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, 2026Viewing1,2710
Oct 21, 20261,2710
Oct 16, 20261,271-1
Oct 15, 20261,2720
Oct 14, 20261,2720
Oct 13, 20261,2720
Oct 09, 20261,2720
Oct 08, 20261,2720
Oct 07, 20261,2720
Oct 06, 20261,2720
Oct 05, 20261,2720
Oct 02, 20261,272No prior observation