Contract OI history
Back to ALTMar 19, 2027 EXPIRATION
ALT $5.00 Call
ALT270319C00005000
Latest saved OI349Oct 20, 2026
Last change+95vs previous saved observation
Saved market days5Oct 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 20, 2026Viewing | 349 | +95 |
| Oct 16, 2026 | 254 | +2 |
| Oct 14, 2026 | 252 | +5 |
| Oct 13, 2026 | 247 | +4 |
| Oct 09, 2026 | 243 | No prior observation |