OITracker Cboe delayed data

Contract OI history

Back to PI

Dec 18, 2026 EXPIRATION

PI $170.00 Call

PI261218C00170000

Latest saved OI37Oct 20, 2026
Last change+14vs previous saved observation
Saved market days5Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
PI $170.00 call open interest history 5 saved observations from 2026-10-09 to 2026-10-20. Exact values and changes are listed in the table below. 37180 2026-10-09: 23 OI2026-10-13: 23 OI2026-10-14: 23 OI2026-10-16: 23 OI2026-10-20: 37 OI Oct 09, 2026Oct 20, 2026

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

PI contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 20, 2026Viewing37+14
Oct 16, 2026230
Oct 14, 2026230
Oct 13, 2026230
Oct 09, 202623No prior observation