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Contract OI history

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Dec 18, 2026 EXPIRATION

MRK $95.00 Put

MRK261218P00095000

Latest saved OI2,044Oct 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. 2,0441,0220 2026-10-02: 2,025 OI2026-10-05: 2,025 OI2026-10-06: 2,027 OI2026-10-07: 2,027 OI2026-10-08: 2,027 OI2026-10-09: 2,028 OI2026-10-13: 2,028 OI2026-10-14: 2,028 OI2026-10-15: 2,044 OI2026-10-16: 2,044 OI2026-10-21: 2,044 OI2026-10-23: 2,044 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, 2026Viewing2,0440
Oct 21, 20262,0440
Oct 16, 20262,0440
Oct 15, 20262,044+16
Oct 14, 20262,0280
Oct 13, 20262,0280
Oct 09, 20262,028+1
Oct 08, 20262,0270
Oct 07, 20262,0270
Oct 06, 20262,027+2
Oct 05, 20262,0250
Oct 02, 20262,025No prior observation