Upstream Bio (UPB) Options Chain
NASDAQ: UPBHealth CareBiotechnology: Pharmaceutical PreparationsUSD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- Feb 19, 2027
- Days to expiration
- 131
- Share price
- $4.70
- Put/call ratio (OI)
- 2.02
- Put/call ratio (volume)
- 2.50
- ATM implied volatility
- 141.8%
- Expected move
- ±$3.99
- Open interest (C / P)
- 40 / 81
UPB options summary
The UPB options chain for the February 19, 2027 expiration lists 4 call and 3 put contracts, with 131 days until expiration. Open interest stands at 40 calls and 81 puts, a put/call ratio of 2.02, which is more bearish, with puts outnumbering calls. At-the-money implied volatility near the $5.00 strike is 141.8%, which implies the market expects a move of about ±$3.99 (84.9%) in Upstream Bio stock by expiration.
The most open interest sits at the $10.00 call (25 contracts) and the $7.50 put (75 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
UPB options chain · February 19, 2027
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 4.73 | 0.00 | 0.00 | 2.50 | — | — | — | |||||
| 0.56 | 0.60 | 0.80 | 5.00 | 0.00 | 4.90 | 0.86 | |||||
| 1.79 | 0.00 | 0.00 | 7.50 | 0.80 | 5.50 | 2.50 | |||||
| 0.80 | 0.00 | 4.90 | 10.00 | 1.50 | 6.00 | 3.30 | |||||
In-the-money callsIn-the-money puts. IV = implied volatility, OI = open interest (contracts). Each contract covers 100 shares. Quotes delayed at least 15 minutes.
Frequently asked questions
What is the UPB put/call ratio?
For the February 19, 2027 expiration, the UPB put/call ratio based on open interest is 2.02 (81 puts vs 40 calls), and 2.50 based on today's volume. A ratio above 1 means more puts than calls.
What is UPB's implied volatility?
At-the-money implied volatility for UPB options expiring February 19, 2027 is about 141.8%, an annualized estimate of how much the market expects Upstream Bio stock to move.
How many UPB option expiration dates are there?
UPB has 4 listed expiration dates, from Oct 16, 2026 to May 21, 2027.
What does "in the money" mean?
A call is in the money when the strike price is below the current share price; a put is in the money when the strike is above it. In-the-money contracts have intrinsic value and are shaded in the table.