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Contract OI history

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Dec 18, 2026 EXPIRATION

CART $42.00 Put

CART261218P00042000

Latest saved OI40Oct 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 $42.00 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. 67330 2026-10-09: 67 OI2026-10-13: 67 OI2026-10-14: 67 OI2026-10-15: 42 OI2026-10-16: 42 OI2026-10-21: 40 OI2026-10-23: 40 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, 2026Viewing400
Oct 21, 202640-2
Oct 16, 2026420
Oct 15, 202642-25
Oct 14, 2026670
Oct 13, 2026670
Oct 09, 202667No prior observation