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Contract OI history

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Sep 17, 2027 EXPIRATION

MRK $75.00 Put

MRK270917P00075000

Latest saved OI58Oct 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 $75.00 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. 58290 2026-10-02: 10 OI2026-10-05: 43 OI2026-10-06: 43 OI2026-10-07: 43 OI2026-10-08: 43 OI2026-10-09: 49 OI2026-10-13: 49 OI2026-10-14: 49 OI2026-10-15: 58 OI2026-10-16: 58 OI2026-10-21: 58 OI2026-10-23: 58 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, 2026Viewing580
Oct 21, 2026580
Oct 16, 2026580
Oct 15, 202658+9
Oct 14, 2026490
Oct 13, 2026490
Oct 09, 202649+6
Oct 08, 2026430
Oct 07, 2026430
Oct 06, 2026430
Oct 05, 202643+33
Oct 02, 202610No prior observation