OITracker Cboe delayed data

Contract OI history

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Dec 18, 2026 EXPIRATION

CAR $100.00 Put

CAR261218P00100000

Latest saved OI378Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CAR $100.00 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. 3801900 2026-10-09: 380 OI2026-10-13: 380 OI2026-10-14: 380 OI2026-10-15: 380 OI2026-10-16: 380 OI2026-10-21: 378 OI2026-10-23: 378 OI Oct 09, 2026Oct 23, 2026

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

CAR contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing3780
Oct 21, 2026378-2
Oct 16, 20263800
Oct 15, 20263800
Oct 14, 20263800
Oct 13, 20263800
Oct 09, 2026380No prior observation