Upstream Bio Inc. (UPB)
NASDAQ: UPB
· Real-Time Price · USD
18.95
0.33 (1.77%)
At close: Aug 15, 2025, 3:59 PM
19.00
0.29%
After-hours: Aug 15, 2025, 05:39 PM EDT
UPB Option Overview
Overview for all option chains of UPB. As of August 15, 2025, UPB options have an IV of 500% and an IV rank of 475.53%. The volume is 69 contracts, which is 32.86% of average daily volume of 210 contracts. The volume put-call ratio is 22, indicating a bearish sentiment in the market.
Implied Volatility
Implied Volatility (30d)
500%IV Rank
475.53%Historical Volatility
69.93%IV Low
164.58% on Jul 03, 2025IV High
235.12% on Aug 07, 2025Open Interest (OI)
Today's Open Interest
4,559Put-Call Ratio
0.04Put Open Interest
192Call Open Interest
4,367Open Interest Avg (30-day)
2,803Today vs Open Interest Avg (30-day)
162.65%Option Volume
Today's Volume
69Put-Call Ratio
22Put Volume
66Call Volume
3Volume Avg (30-day)
210Today vs Volume Avg (30-day)
32.86%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 |
| Aug 15, 2025 | 0 | 66 | 0 | 54 | 159 | 2.94 | 500% | 15 |
| Sep 19, 2025 | 0 | 0 | 0 | 254 | 4 | 0.02 | 179.04% | 10 |
| Oct 17, 2025 | 0 | 0 | 0 | 0 | 0 | 0 | 127.7% | 2.5 |
| Nov 21, 2025 | 0 | 0 | 0 | 4,031 | 4 | 0 | 120.9% | 12.5 |
| Feb 20, 2026 | 3 | 0 | 0 | 28 | 25 | 0.89 | 110.46% | 10 |