Contract OI history
Back to PPTANov 20, 2026 EXPIRATION
PPTA $17.50 Call
PPTA261120C00017500
Latest saved OI90Oct 23, 2026
Last change-4vs previous saved observation
Saved market days6Oct 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 | 90 | -4 |
| Oct 20, 2026 | 94 | -5 |
| Oct 16, 2026 | 99 | +22 |
| Oct 14, 2026 | 77 | +5 |
| Oct 13, 2026 | 72 | 0 |
| Oct 09, 2026 | 72 | No prior observation |