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Contract OI history

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Jan 21, 2028 EXPIRATION

CART $25.00 Put

CART280121P00025000

Latest saved OI68Oct 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
CART $25.00 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. 69340 2026-10-09: 69 OI2026-10-13: 69 OI2026-10-14: 69 OI2026-10-15: 69 OI2026-10-16: 69 OI2026-10-21: 69 OI2026-10-23: 68 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, 2026Viewing68-1
Oct 21, 2026690
Oct 16, 2026690
Oct 15, 2026690
Oct 14, 2026690
Oct 13, 2026690
Oct 09, 202669No prior observation