OITracker Cboe delayed data

Contract OI history

Back to IREN

Oct 23, 2026 EXPIRATION

IREN $27.50 Put

IREN261023P00027500

Latest saved OI4,141Oct 23, 2026
Last change+519vs previous saved observation
Saved market days6Oct 13, 2026 onwards
Daily open interest Hover a point for its date and OI
IREN $27.50 put open interest history 6 saved observations from 2026-10-13 to 2026-10-23. Exact values and changes are listed in the table below. 4,1412,0700 2026-10-13: 0 OI2026-10-14: 0 OI2026-10-15: 419 OI2026-10-16: 970 OI2026-10-21: 3,622 OI2026-10-23: 4,141 OI Oct 13, 2026Oct 23, 2026

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

IREN contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 20264,141+519
Oct 21, 2026Viewing3,622+2,652
Oct 16, 2026970+551
Oct 15, 2026419+419
Oct 14, 202600
Oct 13, 20260No prior observation