Contract OI history
Back to EROMar 19, 2027 EXPIRATION
ERO $40.00 Call
ERO270319C00040000
Latest saved OI439Oct 23, 2026
Last change+13vs previous saved observation
Saved market days11Oct 02, 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 | 439 | +13 |
| Oct 20, 2026 | 426 | -1 |
| Oct 16, 2026 | 427 | -15 |
| Oct 14, 2026 | 442 | +50 |
| Oct 13, 2026 | 392 | +5 |
| Oct 09, 2026 | 387 | 0 |
| Oct 08, 2026 | 387 | -6 |
| Oct 07, 2026 | 393 | +20 |
| Oct 06, 2026 | 373 | +3 |
| Oct 05, 2026 | 370 | +22 |
| Oct 02, 2026 | 348 | No prior observation |