Contract OI history
Back to ETDNov 20, 2026 EXPIRATION
ETD $19.25 Put
ETD261120P00019250
Latest saved OI286Oct 23, 2026
Last change+2vs previous saved observation
Saved market days10Oct 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 | 286 | +2 |
| Oct 20, 2026 | 284 | +4 |
| Oct 16, 2026 | 280 | +10 |
| Oct 14, 2026 | 270 | 0 |
| Oct 13, 2026 | 270 | 0 |
| Oct 09, 2026 | 270 | 0 |
| Oct 07, 2026 | 270 | +5 |
| Oct 06, 2026 | 265 | +1 |
| Oct 05, 2026 | 264 | 0 |
| Oct 02, 2026 | 264 | No prior observation |