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Contract OI history

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Apr 16, 2027 EXPIRATION

VMRK $55.00 Put

VMRK270416P00055000

Latest saved OI296Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
VMRK $55.00 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. 2961480 2026-10-02: 228 OI2026-10-05: 228 OI2026-10-06: 236 OI2026-10-07: 236 OI2026-10-08: 236 OI2026-10-09: 236 OI2026-10-13: 296 OI2026-10-14: 296 OI2026-10-16: 296 OI2026-10-20: 296 OI2026-10-23: 296 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, 20262960
Oct 20, 2026Viewing2960
Oct 16, 20262960
Oct 14, 20262960
Oct 13, 2026296+60
Oct 09, 20262360
Oct 08, 20262360
Oct 07, 20262360
Oct 06, 2026236+8
Oct 05, 20262280
Oct 02, 2026228No prior observation