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Contract OI history

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Apr 16, 2027 EXPIRATION

MRK $175.00 Call

MRK270416C00175000

Latest saved OI152Oct 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 $175.00 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. 152760 2026-10-02: 149 OI2026-10-05: 149 OI2026-10-06: 150 OI2026-10-07: 150 OI2026-10-08: 150 OI2026-10-09: 150 OI2026-10-13: 150 OI2026-10-14: 150 OI2026-10-15: 150 OI2026-10-16: 152 OI2026-10-21: 152 OI2026-10-23: 152 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, 2026Viewing1520
Oct 21, 20261520
Oct 16, 2026152+2
Oct 15, 20261500
Oct 14, 20261500
Oct 13, 20261500
Oct 09, 20261500
Oct 08, 20261500
Oct 07, 20261500
Oct 06, 2026150+1
Oct 05, 20261490
Oct 02, 2026149No prior observation