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Contract OI history

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Mar 19, 2027 EXPIRATION

MRK $130.00 Put

MRK270319P00130000

Latest saved OI1,694Oct 23, 2026
Last change-1vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MRK $130.00 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. 1,6958470 2026-10-02: 1,625 OI2026-10-05: 1,638 OI2026-10-06: 1,661 OI2026-10-07: 1,660 OI2026-10-08: 1,660 OI2026-10-09: 1,673 OI2026-10-13: 1,680 OI2026-10-14: 1,680 OI2026-10-15: 1,683 OI2026-10-16: 1,671 OI2026-10-21: 1,695 OI2026-10-23: 1,694 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, 2026Viewing1,694-1
Oct 21, 20261,695+24
Oct 16, 20261,671-12
Oct 15, 20261,683+3
Oct 14, 20261,6800
Oct 13, 20261,680+7
Oct 09, 20261,673+13
Oct 08, 20261,6600
Oct 07, 20261,660-1
Oct 06, 20261,661+23
Oct 05, 20261,638+13
Oct 02, 20261,625No prior observation