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Contract OI history

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Jan 15, 2027 EXPIRATION

VMRK $65.00 Put

VMRK270115P00065000

Latest saved OI278Oct 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 $65.00 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. 2781390 2026-10-02: 27 OI2026-10-05: 244 OI2026-10-06: 255 OI2026-10-07: 266 OI2026-10-08: 273 OI2026-10-09: 273 OI2026-10-13: 273 OI2026-10-14: 274 OI2026-10-16: 274 OI2026-10-20: 278 OI2026-10-23: 278 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, 20262780
Oct 20, 2026Viewing278+4
Oct 16, 20262740
Oct 14, 2026274+1
Oct 13, 20262730
Oct 09, 20262730
Oct 08, 2026273+7
Oct 07, 2026266+11
Oct 06, 2026255+11
Oct 05, 2026244+217
Oct 02, 202627No prior observation