Contract OI history
Back to SONODec 18, 2026 EXPIRATION
SONO $20.00 Call
SONO261218C00020000
Latest saved OI2,215Oct 23, 2026
Last change+4vs 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 | 2,215 | +4 |
| Oct 21, 2026 | 2,211 | +51 |
| Oct 15, 2026 | 2,160 | -4 |
| Oct 13, 2026 | 2,164 | -255 |
| Oct 09, 2026 | 2,419 | -5 |
| Oct 08, 2026 | 2,424 | No prior observation |