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Contract OI history

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Dec 17, 2027 EXPIRATION

MRK $145.00 Call

MRK271217C00145000

Latest saved OI105Oct 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 $145.00 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. 110550 2026-10-02: 96 OI2026-10-05: 96 OI2026-10-06: 96 OI2026-10-07: 96 OI2026-10-08: 96 OI2026-10-09: 110 OI2026-10-13: 110 OI2026-10-14: 110 OI2026-10-15: 110 OI2026-10-16: 110 OI2026-10-21: 106 OI2026-10-23: 105 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, 2026Viewing105-1
Oct 21, 2026106-4
Oct 16, 20261100
Oct 15, 20261100
Oct 14, 20261100
Oct 13, 20261100
Oct 09, 2026110+14
Oct 08, 2026960
Oct 07, 2026960
Oct 06, 2026960
Oct 05, 2026960
Oct 02, 202696No prior observation