UPB Option Chain
Upstream Bio, Inc.
$3.48
+$0.06(+1.61%)
43
Overall
60
Value
27
Tech
42
Quality
Market Cap
$187.32M
Volume
5.89K
52W Range
$4.37 - $33.68
Target Price
$33.67
Upstream Bio, Inc. (UPB) Options Chain Summary
UPB option chain: Upstream Bio, Inc. has 4 listed option expirations and 40 contracts. In the latest session, traders exchanged 74 calls and 33 puts, a put/call volume ratio of 0.45. Open interest stands at 238 calls and 368 puts. Max pain for the nearest expiration, Oct 16, 2026, is $5.00, 46.6% above the last close of $3.41.
- Expirations
- 4
- Contracts
- 40
- Call volume
- 74
- Put volume
- 33
- Put/call ratio (volume)
- 0.45
- Call open interest
- 238
- Put open interest
- 368
- Put/call ratio (OI)
- 1.55
UPB Options Volume, Open Interest and Max Pain by Expiration
| Expiration | Call Volume | Put Volume | Call OI | Put OI | Put/Call OI | Max Pain |
|---|---|---|---|---|---|---|
| Oct 16, 2026 | 0 | 0 | 20 | 125 | 6.25 | $5.00 |
| Nov 20, 2026 | 74 | 33 | 171 | 159 | 0.93 | $7.50 |
| Feb 19, 2027 | 0 | 0 | 45 | 84 | 1.87 | $7.50 |
| May 21, 2027 | 0 | 0 | 2 | 0 | 0.00 | $2.50 |
End-of-day options data. Max pain is the expiration price at which open calls and puts would pay out the least in total.
| A | B | C | D | |
|---|---|---|---|---|
| 1 | Symbol | Price | Change | Vol |
| 2 | UPB | $3.48 | +1.6% | 5.89K |
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