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Contract OI history

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Jan 15, 2027 EXPIRATION

MRK $130.00 Put

MRK270115P00130000

Latest saved OI16,335Oct 23, 2026
Last change+4,497vs 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. 16,3358,1670 2026-10-02: 5,352 OI2026-10-05: 5,359 OI2026-10-06: 5,134 OI2026-10-07: 5,141 OI2026-10-08: 5,141 OI2026-10-09: 5,164 OI2026-10-13: 5,252 OI2026-10-14: 5,252 OI2026-10-15: 5,276 OI2026-10-16: 5,276 OI2026-10-21: 11,838 OI2026-10-23: 16,335 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, 2026Viewing16,335+4,497
Oct 21, 202611,838+6,562
Oct 16, 20265,2760
Oct 15, 20265,276+24
Oct 14, 20265,2520
Oct 13, 20265,252+88
Oct 09, 20265,164+23
Oct 08, 20265,1410
Oct 07, 20265,141+7
Oct 06, 20265,134-225
Oct 05, 20265,359+7
Oct 02, 20265,352No prior observation