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Contract OI history

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Feb 19, 2027 EXPIRATION

CASY $520.00 Put

CASY270219P00520000

Latest saved OI336Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CASY $520.00 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. 7373680 2026-10-09: 422 OI2026-10-13: 422 OI2026-10-14: 422 OI2026-10-15: 737 OI2026-10-16: 737 OI2026-10-21: 336 OI2026-10-23: 336 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, 2026Viewing3360
Oct 21, 2026336-401
Oct 16, 20267370
Oct 15, 2026737+315
Oct 14, 20264220
Oct 13, 20264220
Oct 09, 2026422No prior observation