Spero Therapeutics Inc. (SPRO)
NASDAQ: SPRO
· Real-Time Price · USD
1.91
0.00 (0.00%)
At close: Aug 18, 2025, 3:59 PM
1.94
1.57%
After-hours: Aug 18, 2025, 05:19 PM EDT
SPRO Option Overview
Overview for all option chains of SPRO. As of August 15, 2025, SPRO options have an IV of 484.81% and an IV rank of 96.11%. The volume is 608 contracts, which is 205.41% of average daily volume of 296 contracts. The volume put-call ratio is 0.09, indicating a bullish sentiment in the market.
Implied Volatility
Implied Volatility (30d)
484.81%IV Rank
96.11%Historical Volatility
80.1%IV Low
109.66% on Jun 04, 2025IV High
500% on Feb 20, 2025Open Interest (OI)
Today's Open Interest
11,923Put-Call Ratio
0.5Put Open Interest
3,961Call Open Interest
7,962Open Interest Avg (30-day)
10,820Today vs Open Interest Avg (30-day)
110.19%Option Volume
Today's Volume
608Put-Call Ratio
0.09Put Volume
50Call Volume
558Volume Avg (30-day)
296Today vs Volume Avg (30-day)
205.41%Option Chain Statistics
This table provides a comprehensive overview of all SPRO options grouped by their expiration dates.
| Expiration | Call Vol | Put Vol | P/C Vol | Call OI | Put OI | P/C OI | Implied Volatility | Max Pain |
| Aug 15, 2025 | 0 | 45 | 0 | 839 | 120 | 0.14 | 484.81% | 2.5 |
| Sep 19, 2025 | 2 | 0 | 0 | 1,272 | 26 | 0.02 | 166.95% | 2.5 |
| Oct 17, 2025 | 45 | 1 | 0.02 | 3,641 | 3,209 | 0.88 | 154% | 2.5 |
| Jan 16, 2026 | 511 | 4 | 0.01 | 2,210 | 606 | 0.27 | 94.92% | 2.5 |
| Apr 17, 2026 | 0 | 0 | 0 | 0 | 0 | 0 | 141.75% | 2.5 |