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Contract OI history

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Jun 17, 2027 EXPIRATION

MRK $65.00 Put

MRK270617P00065000

Latest saved OI549Oct 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 $65.00 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. 5512750 2026-10-02: 551 OI2026-10-05: 550 OI2026-10-06: 549 OI2026-10-07: 549 OI2026-10-08: 549 OI2026-10-09: 549 OI2026-10-13: 549 OI2026-10-14: 549 OI2026-10-15: 549 OI2026-10-16: 549 OI2026-10-21: 549 OI2026-10-23: 549 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, 2026Viewing5490
Oct 21, 20265490
Oct 16, 20265490
Oct 15, 20265490
Oct 14, 20265490
Oct 13, 20265490
Oct 09, 20265490
Oct 08, 20265490
Oct 07, 20265490
Oct 06, 2026549-1
Oct 05, 2026550-1
Oct 02, 2026551No prior observation