Starling Oncology (STLN) Options Chain
NASDAQ: STLNHealth CareMedical/Nursing ServicesUSD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- Nov 20, 2026
- Days to expiration
- 40
- Share price
- $6.63
- Put/call ratio (OI)
- 0.05
- Put/call ratio (volume)
- 1.29
- Expected move
- ±$1.95
- Open interest (C / P)
- 48.42K / 2.37K
STLN options summary
The STLN options chain for the November 20, 2026 expiration lists 9 call and 7 put contracts, with 40 days until expiration. Open interest stands at 48,424 calls and 2,374 puts, a put/call ratio of 0.05, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $7.00 strike is 89.1%, which implies the market expects a move of about ±$1.95 (29.5%) in Starling Oncology stock by expiration.
The most open interest sits at the $6.00 call (20.03K contracts) and the $3.00 put (1.01K contracts).
Summary generated from market data by MetaCap's automated system. Methodology
STLN options chain · November 20, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 4.51 | — | — | 1.00 | — | — | — | |||||
| 3.40 | 3.90 | 5.10 | 2.00 | 0.00 | 2.00 | 0.02 | |||||
| 3.51 | 3.10 | 4.00 | 3.00 | 0.00 | 2.15 | 0.05 | |||||
| 2.44 | 2.10 | 3.00 | 4.00 | 0.00 | 2.15 | 0.10 | |||||
| 1.80 | 1.65 | 1.95 | 5.00 | 0.00 | 0.25 | 0.15 | |||||
| 1.10 | 0.95 | 1.15 | 6.00 | 0.15 | 0.50 | 0.47 | |||||
| 0.55 | 0.35 | 0.70 | 7.00 | 0.55 | 1.65 | 1.10 | |||||
| 0.15 | 0.10 | 0.25 | 8.00 | 1.35 | 2.25 | 1.45 | |||||
| 0.20 | 0.05 | 0.15 | 9.00 | — | — | — | |||||
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 November 20, 2026 expiration, the STLN put/call ratio based on open interest is 0.05 (2,374 puts vs 48,424 calls), and 1.29 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 November 20, 2026 is about 89.1%, 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.