OITracker Cboe delayed data

Contract OI history

Back to IART

Mar 19, 2027 EXPIRATION

IART $12.50 Call

IART270319C00012500

Latest saved OI179Oct 20, 2026
Last change+4vs previous saved observation
Saved market days6Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
IART $12.50 call open interest history 6 saved observations from 2026-10-08 to 2026-10-20. Exact values and changes are listed in the table below. 179890 2026-10-08: 3 OI2026-10-09: 18 OI2026-10-13: 18 OI2026-10-14: 18 OI2026-10-16: 175 OI2026-10-20: 179 OI Oct 08, 2026Oct 20, 2026

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

IART contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 20, 2026Viewing179+4
Oct 16, 2026175+157
Oct 14, 2026180
Oct 13, 2026180
Oct 09, 202618+15
Oct 08, 20263No prior observation