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Contract OI history

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Apr 16, 2027 EXPIRATION

MRK $110.00 Put

MRK270416P00110000

Latest saved OI854Oct 23, 2026
Last change+5vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MRK $110.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 8544270 2026-10-02: 772 OI2026-10-05: 772 OI2026-10-06: 782 OI2026-10-07: 784 OI2026-10-08: 784 OI2026-10-09: 804 OI2026-10-13: 832 OI2026-10-14: 832 OI2026-10-15: 832 OI2026-10-16: 842 OI2026-10-21: 849 OI2026-10-23: 854 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, 2026Viewing854+5
Oct 21, 2026849+7
Oct 16, 2026842+10
Oct 15, 20268320
Oct 14, 20268320
Oct 13, 2026832+28
Oct 09, 2026804+20
Oct 08, 20267840
Oct 07, 2026784+2
Oct 06, 2026782+10
Oct 05, 20267720
Oct 02, 2026772No prior observation