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Contract OI history

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Mar 19, 2027 EXPIRATION

MRK $110.00 Call

MRK270319C00110000

Latest saved OI1,313Oct 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 $110.00 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. 1,3286640 2026-10-02: 1,328 OI2026-10-05: 1,328 OI2026-10-06: 1,307 OI2026-10-07: 1,310 OI2026-10-08: 1,310 OI2026-10-09: 1,313 OI2026-10-13: 1,313 OI2026-10-14: 1,313 OI2026-10-15: 1,313 OI2026-10-16: 1,313 OI2026-10-21: 1,313 OI2026-10-23: 1,313 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, 2026Viewing1,3130
Oct 21, 20261,3130
Oct 16, 20261,3130
Oct 15, 20261,3130
Oct 14, 20261,3130
Oct 13, 20261,3130
Oct 09, 20261,313+3
Oct 08, 20261,3100
Oct 07, 20261,310+3
Oct 06, 20261,307-21
Oct 05, 20261,3280
Oct 02, 20261,328No prior observation