OITracker Cboe delayed data

Contract OI history

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Nov 06, 2026 EXPIRATION

IREN $21.00 Put

IREN261106P00021000

Latest saved OI323Oct 23, 2026
Last change+131vs previous saved observation
Saved market days4Oct 15, 2026 onwards
Daily open interest Hover a point for its date and OI
IREN $21.00 put open interest history 4 saved observations from 2026-10-15 to 2026-10-23. Exact values and changes are listed in the table below. 3231610 2026-10-15: 0 OI2026-10-16: 42 OI2026-10-21: 192 OI2026-10-23: 323 OI Oct 15, 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, 2026323+131
Oct 21, 2026Viewing192+150
Oct 16, 202642+42
Oct 15, 20260No prior observation