Contract OI history
Back to ROOTNov 20, 2026 EXPIRATION
ROOT $55.00 Call
ROOT261120C00055000
Latest saved OI254Oct 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 | 254 | +1 |
| Oct 21, 2026 | 253 | +124 |
| Oct 16, 2026 | 129 | +30 |
| Oct 15, 2026 | 99 | -3 |
| Oct 14, 2026 | 102 | +3 |
| Oct 13, 2026 | 99 | 0 |
| Oct 09, 2026 | 99 | No prior observation |