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Contract OI history

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Mar 19, 2027 EXPIRATION

MRK $110.00 Put

MRK270319P00110000

Latest saved OI2,631Oct 23, 2026
Last change+28vs 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. 2,8101,4050 2026-10-02: 2,810 OI2026-10-05: 2,667 OI2026-10-06: 2,666 OI2026-10-07: 2,672 OI2026-10-08: 2,672 OI2026-10-09: 2,684 OI2026-10-13: 2,693 OI2026-10-14: 2,693 OI2026-10-15: 2,733 OI2026-10-16: 2,599 OI2026-10-21: 2,603 OI2026-10-23: 2,631 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, 2026Viewing2,631+28
Oct 21, 20262,603+4
Oct 16, 20262,599-134
Oct 15, 20262,733+40
Oct 14, 20262,6930
Oct 13, 20262,693+9
Oct 09, 20262,684+12
Oct 08, 20262,6720
Oct 07, 20262,672+6
Oct 06, 20262,666-1
Oct 05, 20262,667-143
Oct 02, 20262,810No prior observation