OITracker Cboe delayed data

Contract OI history

Back to IREN

May 21, 2027 EXPIRATION

IREN $33.00 Put

IREN270521P00033000

Latest saved OI394Oct 23, 2026
Last change+63vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
IREN $33.00 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. 3941970 2026-10-09: 128 OI2026-10-13: 144 OI2026-10-14: 144 OI2026-10-15: 318 OI2026-10-16: 318 OI2026-10-21: 331 OI2026-10-23: 394 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, 2026394+63
Oct 21, 2026Viewing331+13
Oct 16, 20263180
Oct 15, 2026318+174
Oct 14, 20261440
Oct 13, 2026144+16
Oct 09, 2026128No prior observation