OITracker Cboe delayed data

Contract OI history

Back to CART

Dec 18, 2026 EXPIRATION

CART $50.00 Put

CART261218P00050000

Latest saved OI47Oct 23, 2026
Last change+14vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CART $50.00 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. 47230 2026-10-09: 7 OI2026-10-13: 33 OI2026-10-14: 33 OI2026-10-15: 33 OI2026-10-16: 33 OI2026-10-21: 33 OI2026-10-23: 47 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, 2026Viewing47+14
Oct 21, 2026330
Oct 16, 2026330
Oct 15, 2026330
Oct 14, 2026330
Oct 13, 202633+26
Oct 09, 20267No prior observation