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Contract OI history

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Nov 20, 2026 EXPIRATION

OZK $57.50 Call

OZK261120C00057500

Latest saved OI467Oct 23, 2026
Last change+149vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
OZK $57.50 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. 4672330 2026-10-09: 318 OI2026-10-13: 318 OI2026-10-14: 318 OI2026-10-15: 318 OI2026-10-16: 318 OI2026-10-21: 318 OI2026-10-23: 467 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, 2026Viewing467+149
Oct 21, 20263180
Oct 16, 20263180
Oct 15, 20263180
Oct 14, 20263180
Oct 13, 20263180
Oct 09, 2026318No prior observation