Equillium (EQ) Options Chain
NASDAQ: EQHealth CareBiotechnology: Pharmaceutical PreparationsUSD
At close: Oct 8, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- Oct 16, 2026
- Days to expiration
- 7
- Share price
- $1.44
- Put/call ratio (OI)
- 1.69
- Put/call ratio (volume)
- 0.43
- Expected move
- ±$0.0997
- Open interest (C / P)
- 274 / 464
EQ options summary
The EQ options chain for the October 16, 2026 expiration lists 3 call and 2 put contracts, with 7 days until expiration. Open interest stands at 274 calls and 464 puts, a put/call ratio of 1.69, which is more bearish, with puts outnumbering calls. At-the-money implied volatility near the $2.50 strike is 50.0%, which implies the market expects a move of about ±$0.0997 (6.9%) in Equillium stock by expiration.
The most open interest sits at the $2.50 call (246 contracts) and the $2.50 put (459 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
EQ options chain · October 16, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 0.05 | 0.00 | 0.00 | 2.50 | 0.00 | 0.00 | 0.81 | |||||
| 0.03 | 0.00 | 0.00 | 5.00 | 0.00 | 0.00 | 2.73 | |||||
| 0.27 | 0.00 | 2.80 | 7.50 | — | — | — | |||||
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 EQ put/call ratio?
For the October 16, 2026 expiration, the EQ put/call ratio based on open interest is 1.69 (464 puts vs 274 calls), and 0.43 based on today's volume. A ratio above 1 means more puts than calls.
What is EQ's implied volatility?
At-the-money implied volatility for EQ options expiring October 16, 2026 is about 50.0%, an annualized estimate of how much the market expects Equillium stock to move.
How many EQ option expiration dates are there?
EQ has 3 listed expiration dates, from Oct 16, 2026 to Apr 16, 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.