Contract OI history
Back to ETOct 30, 2026 EXPIRATION
ET $20.00 Put
ET261030P00020000
Latest saved OI473Oct 08, 2026
Last change+110vs previous saved observation
Saved market days5Oct 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 08, 2026Viewing | 473 | +110 |
| Oct 07, 2026 | 363 | +3 |
| Oct 06, 2026 | 360 | -1 |
| Oct 05, 2026 | 361 | 0 |
| Oct 02, 2026 | 361 | No prior observation |