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Contract OI history

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Sep 17, 2027 EXPIRATION

MRK $105.00 Put

MRK270917P00105000

Latest saved OI128Oct 23, 2026
Last change+2vs 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. 128640 2026-10-02: 107 OI2026-10-05: 107 OI2026-10-06: 121 OI2026-10-07: 126 OI2026-10-08: 126 OI2026-10-09: 126 OI2026-10-13: 126 OI2026-10-14: 126 OI2026-10-15: 126 OI2026-10-16: 126 OI2026-10-21: 126 OI2026-10-23: 128 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, 2026Viewing128+2
Oct 21, 20261260
Oct 16, 20261260
Oct 15, 20261260
Oct 14, 20261260
Oct 13, 20261260
Oct 09, 20261260
Oct 08, 20261260
Oct 07, 2026126+5
Oct 06, 2026121+14
Oct 05, 20261070
Oct 02, 2026107No prior observation