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Contract OI history

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Oct 30, 2026 EXPIRATION

MRK $162.50 Call

MRK261030C00162500

Latest saved OI617Oct 23, 2026
Last change+441vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MRK $162.50 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. 6173080 2026-10-02: 85 OI2026-10-05: 85 OI2026-10-06: 124 OI2026-10-07: 124 OI2026-10-08: 124 OI2026-10-09: 127 OI2026-10-13: 127 OI2026-10-14: 127 OI2026-10-15: 128 OI2026-10-16: 138 OI2026-10-21: 176 OI2026-10-23: 617 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, 2026Viewing617+441
Oct 21, 2026176+38
Oct 16, 2026138+10
Oct 15, 2026128+1
Oct 14, 20261270
Oct 13, 20261270
Oct 09, 2026127+3
Oct 08, 20261240
Oct 07, 20261240
Oct 06, 2026124+39
Oct 05, 2026850
Oct 02, 202685No prior observation