Contract OI history
Back to ETOct 16, 2026 EXPIRATION
ET $19.00 Put
ET261016P00019000
Latest saved OI21,065Oct 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 | 21,065 | +1 |
| Oct 07, 2026 | 21,064 | 0 |
| Oct 06, 2026 | 21,064 | 0 |
| Oct 05, 2026 | 21,064 | +12 |
| Oct 02, 2026 | 21,052 | No prior observation |