Upstream Bio Inc. (UPB)
NASDAQ: UPB
· Real-Time Price · USD
18.63
0.04 (0.22%)
At close: Oct 03, 2025, 3:59 PM
18.50
-0.70%
After-hours: Oct 03, 2025, 07:07 PM EDT
UPB Open Interest Chart
Open interest breakdown by expiration date for UPB
options contracts. Displaying data for 4
active expiration dates with future expiry.
Total open interest across all expiries is
4,656
contracts, with 4,281
call contracts and
375 put contracts.
Open Interest Table
| Expiry Date | Call OI | Put OI | P/C OI |
|---|---|---|---|
| Oct 17, 2025 | 104 | 220 | 2.12 |
| Nov 21, 2025 | 4,064 | 34 | 0.01 |
| Feb 20, 2026 | 73 | 117 | 1.60 |
| May 15, 2026 | 40 | 4 | 0.10 |