Silence Therapeutics Plc American Depository Share (SLN) Options Chain
NASDAQ: SLNHealth CareBiotechnology: Pharmaceutical PreparationsUSD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- Jan 21, 2028
- Days to expiration
- 468
- Share price
- $9.86
- Put/call ratio (OI)
- 0.50
- Expected move
- ±$9.20
- Open interest (C / P)
- 2 / 1
SLN options summary
The SLN options chain for the January 21, 2028 expiration lists 1 call and 1 put contracts, with 468 days until expiration. Open interest stands at 2 calls and 1 puts, a put/call ratio of 0.50, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $10.00 strike is 82.4%, which implies the market expects a move of about ±$9.20 (93.3%) in Silence Therapeutics Plc American Depository Share stock by expiration.
The most open interest sits at the $10.00 call (2 contracts) and the $12.50 put (1 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
SLN options chain · January 21, 2028
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 5.10 | 1.00 | 6.00 | 10.00 | — | — | — | |||||
| — | — | — | 12.50 | 2.00 | 7.00 | 5.22 | |||||
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 SLN put/call ratio?
For the January 21, 2028 expiration, the SLN put/call ratio based on open interest is 0.50 (1 puts vs 2 calls). A ratio above 1 means more puts than calls.
What is SLN's implied volatility?
At-the-money implied volatility for SLN options expiring January 21, 2028 is about 82.4%, an annualized estimate of how much the market expects Silence Therapeutics Plc American Depository Share stock to move.
How many SLN option expiration dates are there?
SLN has 6 listed expiration dates, from Oct 16, 2026 to Jan 19, 2029.
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.