Ardelyx (ARDX) Options Chain
NASDAQ: ARDXHealth CareBiotechnology: Pharmaceutical PreparationsUSD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- Jan 19, 2029
- Days to expiration
- 831
- Share price
- $3.28
- Put/call ratio (OI)
- 0.02
- Put/call ratio (volume)
- 0.02
- ATM implied volatility
- 126.0%
- Expected move
- ±$6.23
- Open interest (C / P)
- 190 / 3
ARDX options summary
The ARDX options chain for the January 19, 2029 expiration lists 4 call and 2 put contracts, with 831 days until expiration. Open interest stands at 190 calls and 3 puts, a put/call ratio of 0.02, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $3.00 strike is 126.0%, which implies the market expects a move of about ±$6.23 (190.1%) in Ardelyx stock by expiration.
The most open interest sits at the $4.00 call (133 contracts) and the $3.00 put (2 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
ARDX options chain · January 19, 2029
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 2.10 | 0.10 | 5.00 | 2.00 | — | — | — | |||||
| 1.60 | 0.10 | 5.00 | 3.00 | 0.00 | 1.50 | 1.25 | |||||
| 1.25 | 0.45 | 2.05 | 4.00 | 0.15 | 2.10 | 1.80 | |||||
| 1.00 | 0.20 | 5.00 | 7.00 | — | — | — | |||||
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 ARDX put/call ratio?
For the January 19, 2029 expiration, the ARDX put/call ratio based on open interest is 0.02 (3 puts vs 190 calls), and 0.02 based on today's volume. A ratio above 1 means more puts than calls.
What is ARDX's implied volatility?
At-the-money implied volatility for ARDX options expiring January 19, 2029 is about 126.0%, an annualized estimate of how much the market expects Ardelyx stock to move.
How many ARDX option expiration dates are there?
ARDX 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.