Upstream Bio Inc. (UPB)
NASDAQ: UPB
· Real-Time Price · USD
19.97
0.29 (1.47%)
At close: Sep 05, 2025, 3:59 PM
20.00
0.15%
Pre-market: Sep 08, 2025, 04:00 AM EDT
UPB Option Overview
Overview for all option chains of UPB. As of September 07, 2025, UPB options have an IV of 259.8% and an IV rank of 111.52%. The volume is 86 contracts, which is 102.38% of average daily volume of 84 contracts. The volume put-call ratio is 85, indicating a bearish sentiment in the market.
Implied Volatility
Implied Volatility (30d)
259.8%IV Rank
111.52%Historical Volatility
78.5%IV Low
136.06% on Aug 18, 2025IV High
247.02% on Sep 02, 2025Open Interest (OI)
Today's Open Interest
5,236Put-Call Ratio
0.04Put Open Interest
218Call Open Interest
5,018Open Interest Avg (30-day)
4,840Today vs Open Interest Avg (30-day)
108.18%Option Volume
Today's Volume
86Put-Call Ratio
85Put Volume
85Call Volume
1Volume Avg (30-day)
84Today vs Volume Avg (30-day)
102.38%Option Chain Statistics
This table provides a comprehensive overview of all UPB 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 | 35 | 35 | 902 | 42 | 0.05 | 259.8% | 12.5 |
| Oct 17, 2025 | 0 | 50 | 0 | 45 | 55 | 1.22 | 149.99% | 17.5 |
| Nov 21, 2025 | 0 | 0 | 0 | 4,032 | 10 | 0 | 109.68% | 12.5 |
| Feb 20, 2026 | 0 | 0 | 0 | 39 | 111 | 2.85 | 102.92% | 17.5 |