Codexis (CDXS) Options Chain
NASDAQ: CDXSIndustrialsMajor ChemicalsUSD
Market open · Delayed 15 min · as of Oct 8, 2:13 PM ET
Expiration date
- Expiration
- Oct 16, 2026
- Days to expiration
- 8
- Share price
- $1.37
- Put/call ratio (OI)
- 0.21
- Put/call ratio (volume)
- 16.33
- ATM implied volatility
- 575.0%
- Expected move
- ±$1.16
- Open interest (C / P)
- 33 / 7
CDXS options summary
The CDXS options chain for the October 16, 2026 expiration lists 2 call and 2 put contracts, with 8 days until expiration. Open interest stands at 33 calls and 7 puts, a put/call ratio of 0.21, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $1.50 strike is 575.0%, which implies the market expects a move of about ±$1.16 (85.1%) in Codexis stock by expiration.
The most open interest sits at the $1.50 call (30 contracts) and the $1.00 put (5 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
CDXS options chain · October 16, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 0.85 | 0.55 | 1.30 | 0.50 | — | — | — | |||||
| — | — | — | 1.00 | 0.00 | 1.00 | 0.05 | |||||
| 0.51 | 0.00 | 1.00 | 1.50 | 0.00 | 1.00 | 0.45 | |||||
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 CDXS put/call ratio?
For the October 16, 2026 expiration, the CDXS put/call ratio based on open interest is 0.21 (7 puts vs 33 calls), and 16.33 based on today's volume. A ratio above 1 means more puts than calls.
What is CDXS's implied volatility?
At-the-money implied volatility for CDXS options expiring October 16, 2026 is about 575.0%, an annualized estimate of how much the market expects Codexis stock to move.
How many CDXS option expiration dates are there?
CDXS has 3 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.