Starling Oncology (STLN) Options Chain
NASDAQ: STLNHealth CareMedical/Nursing ServicesUSD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- Feb 19, 2027
- Days to expiration
- 131
- Share price
- $6.63
- Put/call ratio (OI)
- 0.27
- Put/call ratio (volume)
- 0.73
- Expected move
- ±$2.75
- Open interest (C / P)
- 5.69K / 1.55K
STLN options summary
The STLN options chain for the February 19, 2027 expiration lists 9 call and 6 put contracts, with 131 days until expiration. Open interest stands at 5,690 calls and 1,546 puts, a put/call ratio of 0.27, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $7.00 strike is 69.3%, which implies the market expects a move of about ±$2.75 (41.5%) in Starling Oncology stock by expiration.
The most open interest sits at the $7.00 call (2.57K contracts) and the $10.00 put (762 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
STLN options chain · February 19, 2027
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 2.70 | 3.40 | 4.60 | 2.00 | — | — | — | |||||
| 2.60 | 2.50 | 3.70 | 3.00 | — | — | — | |||||
| 3.08 | 2.70 | 3.00 | 4.00 | 0.00 | 0.30 | 0.31 | |||||
| 1.90 | 1.65 | 2.75 | 5.00 | 0.10 | 0.75 | 0.47 | |||||
| 1.50 | 1.05 | 1.90 | 6.00 | 0.45 | 1.20 | 1.15 | |||||
| 1.00 | 0.80 | 1.10 | 7.00 | 0.00 | 0.00 | 1.50 | |||||
| 0.45 | 0.45 | 1.00 | 8.00 | — | — | — | |||||
| 0.38 | 0.25 | 0.50 | 9.00 | 0.00 | 0.00 | 3.00 | |||||
| 0.20 | 0.15 | 0.45 | 10.00 | 3.20 | 4.80 | 3.80 | |||||
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 STLN put/call ratio?
For the February 19, 2027 expiration, the STLN put/call ratio based on open interest is 0.27 (1,546 puts vs 5,690 calls), and 0.73 based on today's volume. A ratio above 1 means more puts than calls.
What is STLN's implied volatility?
At-the-money implied volatility for STLN options expiring February 19, 2027 is about 69.3%, an annualized estimate of how much the market expects Starling Oncology stock to move.
How many STLN option expiration dates are there?
STLN 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.