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Contract OI history

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Dec 18, 2026 EXPIRATION

CORZ $28.00 Call

CORZ261218C00028000

Latest saved OI1,112Oct 23, 2026
Last change+640vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CORZ $28.00 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. 1,1125560 2026-10-09: 481 OI2026-10-13: 480 OI2026-10-14: 480 OI2026-10-15: 480 OI2026-10-16: 475 OI2026-10-21: 472 OI2026-10-23: 1,112 OI Oct 09, 2026Oct 23, 2026

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

CORZ contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,112+640
Oct 21, 2026472-3
Oct 16, 2026475-5
Oct 15, 20264800
Oct 14, 20264800
Oct 13, 2026480-1
Oct 09, 2026481No prior observation