Spero Therapeutics Inc. (SPRO)
NASDAQ: SPRO
· Real-Time Price · USD
2.05
0.02 (0.99%)
At close: Oct 03, 2025, 3:59 PM
2.05
0.00%
After-hours: Oct 03, 2025, 04:10 PM EDT
SPRO Delta Exposure By Expiry
The total Delta Exposure (DEX) for SPRO across all expirations shows 935.93 net shares that market makers must hedge, with 4,442.22 from calls and 3,506.29 from puts. The put-call delta ratio of 0.79 suggests neutral market maker positioning.
SPRO DEX Table
| Expiry Date | Call Delta | Put Delta | Net Delta | P/C Delta |
|---|---|---|---|---|
| Oct 17, 25 | 1,376.41 | -2,509.78 | -1,133.37 | 1.82 |
| Nov 21, 25 | 8.37 | 0 | 8.37 | 0.00 |
| Jan 16, 26 | 2,326.52 | -849.44 | 1,477.08 | 0.37 |
| Apr 17, 26 | 730.92 | -147.07 | 583.85 | 0.20 |