Contract OI history
Back to SONOJan 15, 2027 EXPIRATION
SONO $20.00 Call
SONO270115C00020000
Latest saved OI544Oct 23, 2026
Last change+1vs previous saved observation
Saved market days6Oct 08, 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 | 544 | +1 |
| Oct 21, 2026 | 543 | 0 |
| Oct 15, 2026 | 543 | 0 |
| Oct 13, 2026 | 543 | +47 |
| Oct 09, 2026 | 496 | 0 |
| Oct 08, 2026 | 496 | No prior observation |