SCYNEXIS (SCYX) Options Chain
NASDAQ: SCYXHealth CareBiotechnology: Pharmaceutical PreparationsUSD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- Dec 18, 2026
- Days to expiration
- 68
- Share price
- $4.08
- Put/call ratio (OI)
- 0.10
- Put/call ratio (volume)
- 0.10
- ATM implied volatility
- 195.1%
- Expected move
- ±$3.44
- Open interest (C / P)
- 88 / 9
SCYX options summary
The SCYX options chain for the December 18, 2026 expiration lists 4 call and 3 put contracts, with 68 days until expiration. Open interest stands at 88 calls and 9 puts, a put/call ratio of 0.10, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $5.00 strike is 195.1%, which implies the market expects a move of about ±$3.44 (84.2%) in SCYNEXIS stock by expiration.
The most open interest sits at the $10.00 call (70 contracts) and the $2.50 put (8 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
SCYX options chain · December 18, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 1.55 | 0.60 | 5.50 | 2.50 | 0.35 | 4.90 | 1.91 | |||||
| 0.75 | 0.15 | 1.00 | 5.00 | 0.00 | 4.90 | 1.00 | |||||
| 0.04 | 0.00 | 1.25 | 7.50 | 0.00 | 0.00 | 3.25 | |||||
| 0.05 | 0.00 | 4.90 | 10.00 | — | — | — | |||||
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 SCYX put/call ratio?
For the December 18, 2026 expiration, the SCYX put/call ratio based on open interest is 0.10 (9 puts vs 88 calls), and 0.10 based on today's volume. A ratio above 1 means more puts than calls.
What is SCYX's implied volatility?
At-the-money implied volatility for SCYX options expiring December 18, 2026 is about 195.1%, an annualized estimate of how much the market expects SCYNEXIS stock to move.
How many SCYX option expiration dates are there?
SCYX has 4 listed expiration dates, from Oct 16, 2026 to Mar 19, 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.