Eledon Pharmaceuticals (ELDN) Options Chain
NASDAQ: ELDNHealth CareBiotechnology: Pharmaceutical PreparationsUSD
At close: Oct 8, 4:00 PM ET · Delayed 15 min
Pre-market: 2.44 +0.83%
Expiration date
- Expiration
- Oct 16, 2026
- Days to expiration
- 7
- Share price
- $2.42
- Put/call ratio (OI)
- 0.02
- Put/call ratio (volume)
- 0.11
- Expected move
- ±$0.0419
- Open interest (C / P)
- 307 / 5
ELDN options summary
The ELDN options chain for the October 16, 2026 expiration lists 2 call and 2 put contracts, with 7 days until expiration. Open interest stands at 307 calls and 5 puts, a put/call ratio of 0.02, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $2.50 strike is 12.5%, which implies the market expects a move of about ±$0.0419 (1.7%) in Eledon Pharmaceuticals stock by expiration.
The most open interest sits at the $5.00 call (229 contracts) and the $2.50 put (5 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
ELDN options chain · October 16, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 0.11 | 0.00 | 0.00 | 2.50 | 0.00 | 0.00 | 0.15 | |||||
| 0.10 | 0.00 | 0.00 | 5.00 | 0.00 | 0.00 | 2.25 | |||||
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 ELDN put/call ratio?
For the October 16, 2026 expiration, the ELDN put/call ratio based on open interest is 0.02 (5 puts vs 307 calls), and 0.11 based on today's volume. A ratio above 1 means more puts than calls.
What is ELDN's implied volatility?
At-the-money implied volatility for ELDN options expiring October 16, 2026 is about 12.5%, an annualized estimate of how much the market expects Eledon Pharmaceuticals stock to move.
How many ELDN option expiration dates are there?
ELDN 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.