OITracker Cboe delayed data

Contract OI history

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Jan 19, 2029 EXPIRATION

IREN $40.00 Put

IREN290119P00040000

Latest saved OI110Oct 23, 2026
Last change-1vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
IREN $40.00 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. 126630 2026-10-09: 109 OI2026-10-13: 109 OI2026-10-14: 109 OI2026-10-15: 115 OI2026-10-16: 126 OI2026-10-21: 111 OI2026-10-23: 110 OI Oct 09, 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, 2026110-1
Oct 21, 2026Viewing111-15
Oct 16, 2026126+11
Oct 15, 2026115+6
Oct 14, 20261090
Oct 13, 20261090
Oct 09, 2026109No prior observation