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Contract OI history

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Jan 15, 2027 EXPIRATION

MRK $105.00 Put

MRK270115P00105000

Latest saved OI4,141Oct 23, 2026
Last change+1vs 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. 4,1492,0740 2026-10-02: 4,141 OI2026-10-05: 4,141 OI2026-10-06: 4,141 OI2026-10-07: 4,141 OI2026-10-08: 4,141 OI2026-10-09: 4,143 OI2026-10-13: 4,149 OI2026-10-14: 4,149 OI2026-10-15: 4,149 OI2026-10-16: 4,146 OI2026-10-21: 4,140 OI2026-10-23: 4,141 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, 2026Viewing4,141+1
Oct 21, 20264,140-6
Oct 16, 20264,146-3
Oct 15, 20264,1490
Oct 14, 20264,1490
Oct 13, 20264,149+6
Oct 09, 20264,143+2
Oct 08, 20264,1410
Oct 07, 20264,1410
Oct 06, 20264,1410
Oct 05, 20264,1410
Oct 02, 20264,141No prior observation