Contract OI history
Back to IRENMay 21, 2027 EXPIRATION
IREN $20.00 Put
IREN270521P00020000
Latest saved OI511Oct 23, 2026
Last change+458vs previous saved observation
Saved market days6Oct 13, 2026 onwards
All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.
| Market date | Open interest | Change vs prior saved day |
|---|---|---|
| Oct 23, 2026 | 511 | +458 |
| Oct 21, 2026Viewing | 53 | +17 |
| Oct 16, 2026 | 36 | +32 |
| Oct 15, 2026 | 4 | +4 |
| Oct 14, 2026 | 0 | 0 |
| Oct 13, 2026 | 0 | No prior observation |