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Contract OI history

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Mar 19, 2027 EXPIRATION

MRK $105.00 Call

MRK270319C00105000

Latest saved OI7,432Oct 23, 2026
Last change-4vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MRK $105.00 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. 7,4683,7340 2026-10-02: 7,468 OI2026-10-05: 7,468 OI2026-10-06: 7,467 OI2026-10-07: 7,460 OI2026-10-08: 7,460 OI2026-10-09: 7,458 OI2026-10-13: 7,454 OI2026-10-14: 7,454 OI2026-10-15: 7,451 OI2026-10-16: 7,440 OI2026-10-21: 7,436 OI2026-10-23: 7,432 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, 2026Viewing7,432-4
Oct 21, 20267,436-4
Oct 16, 20267,440-11
Oct 15, 20267,451-3
Oct 14, 20267,4540
Oct 13, 20267,454-4
Oct 09, 20267,458-2
Oct 08, 20267,4600
Oct 07, 20267,460-7
Oct 06, 20267,467-1
Oct 05, 20267,4680
Oct 02, 20267,468No prior observation