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Contract OI history

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Dec 18, 2026 EXPIRATION

MRK $130.00 Call

MRK261218C00130000

Latest saved OI1,407Oct 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 $130.00 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. 1,4547270 2026-10-02: 1,454 OI2026-10-05: 1,452 OI2026-10-06: 1,443 OI2026-10-07: 1,431 OI2026-10-08: 1,431 OI2026-10-09: 1,429 OI2026-10-13: 1,429 OI2026-10-14: 1,429 OI2026-10-15: 1,413 OI2026-10-16: 1,401 OI2026-10-21: 1,407 OI2026-10-23: 1,407 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, 2026Viewing1,4070
Oct 21, 20261,407+6
Oct 16, 20261,401-12
Oct 15, 20261,413-16
Oct 14, 20261,4290
Oct 13, 20261,4290
Oct 09, 20261,429-2
Oct 08, 20261,4310
Oct 07, 20261,431-12
Oct 06, 20261,443-9
Oct 05, 20261,452-2
Oct 02, 20261,454No prior observation