Contract OI history
Back to SIRINov 20, 2026 EXPIRATION
SIRI $26.00 Put
SIRI261120P00026000
Latest saved OI1,118Oct 23, 2026
Last change-2vs 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, 2026 | 1,118 | -2 |
| Oct 21, 2026Viewing | 1,120 | -23 |
| Oct 16, 2026 | 1,143 | +54 |
| Oct 15, 2026 | 1,089 | +1 |
| Oct 14, 2026 | 1,088 | 0 |
| Oct 13, 2026 | 1,088 | +48 |
| Oct 09, 2026 | 1,040 | No prior observation |