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Contract OI history

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Nov 20, 2026 EXPIRATION

CASY $680.00 Put

CASY261120P00680000

Latest saved OI427Oct 23, 2026
Last change+1vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CASY $680.00 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. 4272130 2026-10-09: 392 OI2026-10-13: 392 OI2026-10-14: 392 OI2026-10-15: 392 OI2026-10-16: 395 OI2026-10-21: 426 OI2026-10-23: 427 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, 2026Viewing427+1
Oct 21, 2026426+31
Oct 16, 2026395+3
Oct 15, 20263920
Oct 14, 20263920
Oct 13, 20263920
Oct 09, 2026392No prior observation