OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

OZK $50.00 Call

OZK270115C00050000

Latest saved OI292Oct 23, 2026
Last change-15vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
OZK $50.00 call open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 3071530 2026-10-09: 280 OI2026-10-13: 283 OI2026-10-14: 283 OI2026-10-15: 286 OI2026-10-16: 306 OI2026-10-21: 307 OI2026-10-23: 292 OI Oct 09, 2026Oct 23, 2026

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

OZK contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing292-15
Oct 21, 2026307+1
Oct 16, 2026306+20
Oct 15, 2026286+3
Oct 14, 20262830
Oct 13, 2026283+3
Oct 09, 2026280No prior observation