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Contract OI history

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Apr 16, 2027 EXPIRATION

MRK $105.00 Put

MRK270416P00105000

Latest saved OI149Oct 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 $105.00 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. 149740 2026-10-02: 123 OI2026-10-05: 123 OI2026-10-06: 127 OI2026-10-07: 127 OI2026-10-08: 127 OI2026-10-09: 128 OI2026-10-13: 128 OI2026-10-14: 128 OI2026-10-15: 134 OI2026-10-16: 134 OI2026-10-21: 149 OI2026-10-23: 149 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, 2026Viewing1490
Oct 21, 2026149+15
Oct 16, 20261340
Oct 15, 2026134+6
Oct 14, 20261280
Oct 13, 20261280
Oct 09, 2026128+1
Oct 08, 20261270
Oct 07, 20261270
Oct 06, 2026127+4
Oct 05, 20261230
Oct 02, 2026123No prior observation