Contract OI history
Back to OUSTNov 20, 2026 EXPIRATION
OUST $43.00 Call
OUST261120C00043000
Latest saved OI247Oct 23, 2026
Last change-3vs previous saved observation
Saved market days7Oct 09, 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, 2026 | 247 | -3 |
| Oct 21, 2026Viewing | 250 | +1 |
| Oct 16, 2026 | 249 | -29 |
| Oct 15, 2026 | 278 | -2 |
| Oct 14, 2026 | 280 | 0 |
| Oct 13, 2026 | 280 | 0 |
| Oct 09, 2026 | 280 | No prior observation |