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Contract OI history

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Jun 17, 2027 EXPIRATION

MRK $100.00 Call

MRK270617C00100000

Latest saved OI1,515Oct 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 $100.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 1,5237610 2026-10-02: 1,523 OI2026-10-05: 1,522 OI2026-10-06: 1,517 OI2026-10-07: 1,517 OI2026-10-08: 1,517 OI2026-10-09: 1,516 OI2026-10-13: 1,516 OI2026-10-14: 1,516 OI2026-10-15: 1,516 OI2026-10-16: 1,516 OI2026-10-21: 1,515 OI2026-10-23: 1,515 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, 2026Viewing1,5150
Oct 21, 20261,515-1
Oct 16, 20261,5160
Oct 15, 20261,5160
Oct 14, 20261,5160
Oct 13, 20261,5160
Oct 09, 20261,516-1
Oct 08, 20261,5170
Oct 07, 20261,5170
Oct 06, 20261,517-5
Oct 05, 20261,522-1
Oct 02, 20261,523No prior observation