Contract OI history
Back to ROSTOct 23, 2026 EXPIRATION
ROST $225.00 Call
ROST261023C00225000
Latest saved OI247Oct 23, 2026
Last change-1vs 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, 2026Viewing | 247 | -1 |
| Oct 21, 2026 | 248 | -4 |
| Oct 16, 2026 | 252 | -54 |
| Oct 15, 2026 | 306 | -202 |
| Oct 14, 2026 | 508 | 0 |
| Oct 13, 2026 | 508 | -214 |
| Oct 09, 2026 | 722 | No prior observation |