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Contract OI history

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Jun 17, 2027 EXPIRATION

MRK $100.00 Put

MRK270617P00100000

Latest saved OI2,343Oct 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 $100.00 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. 2,3561,1780 2026-10-02: 2,355 OI2026-10-05: 2,356 OI2026-10-06: 2,356 OI2026-10-07: 2,356 OI2026-10-08: 2,356 OI2026-10-09: 2,344 OI2026-10-13: 2,344 OI2026-10-14: 2,344 OI2026-10-15: 2,344 OI2026-10-16: 2,344 OI2026-10-21: 2,343 OI2026-10-23: 2,343 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, 2026Viewing2,3430
Oct 21, 20262,343-1
Oct 16, 20262,3440
Oct 15, 20262,3440
Oct 14, 20262,3440
Oct 13, 20262,3440
Oct 09, 20262,344-12
Oct 08, 20262,3560
Oct 07, 20262,3560
Oct 06, 20262,3560
Oct 05, 20262,356+1
Oct 02, 20262,355No prior observation