Contract OI history
Back to ETOct 23, 2026 EXPIRATION
ET $17.00 Put
ET261023P00017000
Latest saved OI2Oct 08, 2026
Last change-1vs 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 | 2 | -1 |
| Oct 07, 2026 | 3 | +1 |
| Oct 06, 2026 | 2 | -2 |
| Oct 05, 2026 | 4 | 0 |
| Oct 02, 2026 | 4 | No prior observation |