Contract OI history
Back to SYMOct 30, 2026 EXPIRATION
SYM $40.00 Call
SYM261030C00040000
Latest saved OI38Oct 23, 2026
Last change-11vs 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 | 38 | -11 |
| Oct 20, 2026 | 49 | +9 |
| Oct 16, 2026 | 40 | +5 |
| Oct 15, 2026 | 35 | +15 |
| Oct 14, 2026 | 20 | 0 |
| Oct 13, 2026 | 20 | +9 |
| Oct 09, 2026 | 11 | No prior observation |