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Contract OI history

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Jan 15, 2027 EXPIRATION

CORZ $20.00 Put

CORZ270115P00020000

Latest saved OI5,605Oct 23, 2026
Last change+5vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CORZ $20.00 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 5,6082,8040 2026-10-09: 5,608 OI2026-10-13: 5,600 OI2026-10-14: 5,600 OI2026-10-15: 5,600 OI2026-10-16: 5,600 OI2026-10-21: 5,600 OI2026-10-23: 5,605 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, 2026Viewing5,605+5
Oct 21, 20265,6000
Oct 16, 20265,6000
Oct 15, 20265,6000
Oct 14, 20265,6000
Oct 13, 20265,600-8
Oct 09, 20265,608No prior observation