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Contract OI history

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Dec 17, 2027 EXPIRATION

MRK $80.00 Put

MRK271217P00080000

Latest saved OI984Oct 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 $80.00 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. 9844920 2026-10-02: 984 OI2026-10-05: 984 OI2026-10-06: 984 OI2026-10-07: 984 OI2026-10-08: 984 OI2026-10-09: 984 OI2026-10-13: 984 OI2026-10-14: 984 OI2026-10-15: 984 OI2026-10-16: 984 OI2026-10-21: 984 OI2026-10-23: 984 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, 2026Viewing9840
Oct 21, 20269840
Oct 16, 20269840
Oct 15, 20269840
Oct 14, 20269840
Oct 13, 20269840
Oct 09, 20269840
Oct 08, 20269840
Oct 07, 20269840
Oct 06, 20269840
Oct 05, 20269840
Oct 02, 2026984No prior observation