Spero Therapeutics Inc. (SPRO)
NASDAQ: SPRO
· Real-Time Price · USD
1.89
-0.05 (-2.58%)
At close: Sep 26, 2025, 3:59 PM
1.89
0.04%
After-hours: Sep 26, 2025, 07:58 PM EDT
SPRO Gamma Exposure By Expiry
The total Gamma Exposure (GEX) for SPRO across all expirations is 2,433.68 shares per 1% move, with 4,202.53 from calls and 1,768.85 from puts. The put-call GEX ratio of 0.42 shows call-heavy positioning, potentially creating volatility as market makers hedge by selling into strength and buying weakness.
SPRO GEX Table
| Expiry Date | Call GEX | Put GEX | Net GEX | P/C GEX |
|---|---|---|---|---|
| Oct 17, 25 | 2,317.28 | -1,235.89 | 1,081.39 | 0.53 |
| Nov 21, 25 | 11.64 | 0 | 11.64 | 0.00 |
| Jan 16, 26 | 1,618.87 | -492.57 | 1,126.3 | 0.30 |
| Apr 17, 26 | 254.74 | -40.39 | 214.35 | 0.16 |