Contract OI history
Back to ETOct 09, 2026 EXPIRATION
ET $19.50 Call
ET261009C00019500
Latest saved OI63Oct 08, 2026
Last change+5vs 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 | 63 | +5 |
| Oct 07, 2026 | 58 | 0 |
| Oct 06, 2026 | 58 | +11 |
| Oct 05, 2026 | 47 | -18 |
| Oct 02, 2026 | 65 | No prior observation |