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Contract OI history

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Apr 16, 2027 EXPIRATION

VMRK $50.00 Put

VMRK270416P00050000

Latest saved OI485Oct 23, 2026
Last change-2vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
VMRK $50.00 put open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 4872430 2026-10-02: 440 OI2026-10-05: 446 OI2026-10-06: 448 OI2026-10-07: 448 OI2026-10-08: 487 OI2026-10-09: 487 OI2026-10-13: 487 OI2026-10-14: 487 OI2026-10-16: 487 OI2026-10-20: 487 OI2026-10-23: 485 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

VMRK contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026485-2
Oct 20, 2026Viewing4870
Oct 16, 20264870
Oct 14, 20264870
Oct 13, 20264870
Oct 09, 20264870
Oct 08, 2026487+39
Oct 07, 20264480
Oct 06, 2026448+2
Oct 05, 2026446+6
Oct 02, 2026440No prior observation