Starling Oncology (STLN) Options Chain
NASDAQ: STLNHealth CareMedical/Nursing ServicesUSD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- May 21, 2027
- Days to expiration
- 223
- Share price
- $6.63
- Put/call ratio (OI)
- 0.00
- Put/call ratio (volume)
- 0.01
- Expected move
- ±$4.83
- Open interest (C / P)
- 5.21K / 4
STLN options summary
The STLN options chain for the May 21, 2027 expiration lists 5 call and 2 put contracts, with 223 days until expiration. Open interest stands at 5,206 calls and 4 puts, a put/call ratio of 0.00, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $7.50 strike is 93.1%, which implies the market expects a move of about ±$4.83 (72.8%) in Starling Oncology stock by expiration.
The most open interest sits at the $7.50 call (5.03K contracts) and the $5.00 put (3 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
STLN options chain · May 21, 2027
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 3.92 | 3.20 | 4.70 | 2.50 | — | — | — | |||||
| 2.71 | 2.00 | 3.30 | 5.00 | 0.25 | 1.30 | 0.82 | |||||
| 1.15 | 1.10 | 1.70 | 7.50 | 1.65 | 3.70 | 2.05 | |||||
| 0.70 | 0.55 | 1.90 | 10.00 | — | — | — | |||||
| 0.55 | 0.00 | 0.75 | 12.50 | — | — | — | |||||
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 May 21, 2027 expiration, the STLN put/call ratio based on open interest is 0.00 (4 puts vs 5,206 calls), and 0.01 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 May 21, 2027 is about 93.1%, 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.