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Contract OI history

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Apr 16, 2027 EXPIRATION

MRK $130.00 Put

MRK270416P00130000

Latest saved OI202Oct 23, 2026
Last change+17vs 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. 2021010 2026-10-02: 28 OI2026-10-05: 35 OI2026-10-06: 50 OI2026-10-07: 62 OI2026-10-08: 62 OI2026-10-09: 88 OI2026-10-13: 99 OI2026-10-14: 99 OI2026-10-15: 154 OI2026-10-16: 159 OI2026-10-21: 185 OI2026-10-23: 202 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, 2026Viewing202+17
Oct 21, 2026185+26
Oct 16, 2026159+5
Oct 15, 2026154+55
Oct 14, 2026990
Oct 13, 202699+11
Oct 09, 202688+26
Oct 08, 2026620
Oct 07, 202662+12
Oct 06, 202650+15
Oct 05, 202635+7
Oct 02, 202628No prior observation