OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

VRT $320.00 Call

VRT280121C00320000

Latest saved OI347Oct 23, 2026
Last change-2vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
VRT $320.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 3491740 2026-10-02: 314 OI2026-10-05: 314 OI2026-10-06: 310 OI2026-10-07: 312 OI2026-10-08: 312 OI2026-10-09: 312 OI2026-10-12: 311 OI2026-10-14: 309 OI2026-10-15: 306 OI2026-10-16: 349 OI2026-10-21: 349 OI2026-10-23: 347 OI Oct 02, 2026Oct 23, 2026

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

VRT contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing347-2
Oct 21, 20263490
Oct 16, 2026349+43
Oct 15, 2026306-3
Oct 14, 2026309-2
Oct 12, 2026311-1
Oct 09, 20263120
Oct 08, 20263120
Oct 07, 2026312+2
Oct 06, 2026310-4
Oct 05, 20263140
Oct 02, 2026314No prior observation