Sutro Biopharma Inc. (STRO)
NASDAQ: STRO
· Real-Time Price · USD
0.88
-0.09 (-9.28%)
At close: Sep 12, 2025, 3:59 PM
0.91
3.52%
After-hours: Sep 12, 2025, 06:08 PM EDT
STRO Option Overview
Overview for all option chains of STRO. As of September 11, 2025, STRO options have an IV of 500% and an IV rank of 100%. The volume is 32 contracts, which is 320% of average daily volume of 10 contracts. The volume put-call ratio is 0.45, indicating a bullish sentiment in the market.
Implied Volatility
Implied Volatility (30d)
500%IV Rank
100%Historical Volatility
75.06%IV Low
148.03% on Apr 29, 2025IV High
500% on Apr 04, 2025Open Interest (OI)
Today's Open Interest
890Put-Call Ratio
0.1Put Open Interest
81Call Open Interest
809Open Interest Avg (30-day)
841Today vs Open Interest Avg (30-day)
105.83%Option Volume
Today's Volume
32Put-Call Ratio
0.45Put Volume
10Call Volume
22Volume Avg (30-day)
10Today vs Volume Avg (30-day)
320%Option Chain Statistics
This table provides a comprehensive overview of all STRO 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 |
| Sep 19, 2025 | 1 | 10 | 10 | 12 | 17 | 1.42 | 500% | 1 |
| Oct 17, 2025 | 0 | 0 | 0 | 0 | 1 | 0 | 438.83% | 1 |
| Nov 21, 2025 | 20 | 0 | 0 | 764 | 53 | 0.07 | 241.56% | 1 |
| Feb 20, 2026 | 1 | 0 | 0 | 33 | 10 | 0.3 | 210.03% | 0.5 |