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Contract OI history

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Feb 19, 2027 EXPIRATION

CASY $660.00 Put

CASY270219P00660000

Latest saved OI86Oct 23, 2026
Last change+6vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CASY $660.00 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. 86430 2026-10-09: 27 OI2026-10-13: 27 OI2026-10-14: 27 OI2026-10-15: 27 OI2026-10-16: 34 OI2026-10-21: 80 OI2026-10-23: 86 OI Oct 09, 2026Oct 23, 2026

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

CASY contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing86+6
Oct 21, 202680+46
Oct 16, 202634+7
Oct 15, 2026270
Oct 14, 2026270
Oct 13, 2026270
Oct 09, 202627No prior observation