Spero Therapeutics Inc. (SPRO)
NASDAQ: SPRO
· Real-Time Price · USD
2.02
-0.13 (-6.05%)
At close: Sep 08, 2025, 10:48 AM
SPRO Delta Exposure By Expiry
The total Delta Exposure (DEX) for SPRO across all expirations shows 204.5 net shares that market makers must hedge, with 4,978.3 from calls and 4,773.8 from puts. The put-call delta ratio of 0.96 suggests neutral market maker positioning.
SPRO DEX Table
| Expiry Date | Call Delta | Put Delta | Net Delta | P/C Delta |
|---|---|---|---|---|
| Sep 19, 25 | 841.18 | -68.24 | 772.94 | 0.08 |
| Oct 17, 25 | 1,664.02 | -3,943.55 | -2,279.53 | 2.37 |
| Jan 16, 26 | 2,313.93 | -660.29 | 1,653.64 | 0.29 |
| Apr 17, 26 | 159.17 | -101.72 | 57.45 | 0.64 |