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Contract OI history

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Jun 17, 2027 EXPIRATION

MRK $160.00 Call

MRK270617C00160000

Latest saved OI1,120Oct 23, 2026
Last change-2vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MRK $160.00 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. 1,1225610 2026-10-02: 1,087 OI2026-10-05: 1,082 OI2026-10-06: 1,099 OI2026-10-07: 1,099 OI2026-10-08: 1,099 OI2026-10-09: 1,099 OI2026-10-13: 1,106 OI2026-10-14: 1,106 OI2026-10-15: 1,109 OI2026-10-16: 1,111 OI2026-10-21: 1,122 OI2026-10-23: 1,120 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, 2026Viewing1,120-2
Oct 21, 20261,122+11
Oct 16, 20261,111+2
Oct 15, 20261,109+3
Oct 14, 20261,1060
Oct 13, 20261,106+7
Oct 09, 20261,0990
Oct 08, 20261,0990
Oct 07, 20261,0990
Oct 06, 20261,099+17
Oct 05, 20261,082-5
Oct 02, 20261,087No prior observation