Contract OI history
Back to IRONNov 20, 2026 EXPIRATION
IRON $100.00 Call
IRON261120C00100000
Latest saved OI521Oct 23, 2026
Last change-17vs previous saved observation
Saved market days6Oct 09, 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, 2026Viewing | 521 | -17 |
| Oct 20, 2026 | 538 | +526 |
| Oct 16, 2026 | 12 | +6 |
| Oct 14, 2026 | 6 | 0 |
| Oct 13, 2026 | 6 | 0 |
| Oct 09, 2026 | 6 | No prior observation |