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Contract OI history

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Nov 20, 2026 EXPIRATION

CART $40.00 Put

CART261120P00040000

Latest saved OI721Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CART $40.00 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. 7213600 2026-10-09: 619 OI2026-10-13: 621 OI2026-10-14: 621 OI2026-10-15: 616 OI2026-10-16: 616 OI2026-10-21: 721 OI2026-10-23: 721 OI Oct 09, 2026Oct 23, 2026

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

CART contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing7210
Oct 21, 2026721+105
Oct 16, 20266160
Oct 15, 2026616-5
Oct 14, 20266210
Oct 13, 2026621+2
Oct 09, 2026619No prior observation