Ironwood Pharmaceuticals (IRWD) Options Chain
NASDAQ: IRWDHealth CareBiotechnology: Pharmaceutical PreparationsUSD
At close: Oct 8, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- Oct 16, 2026
- Days to expiration
- 8
- Share price
- $3.87
- Put/call ratio (OI)
- 0.00
- Put/call ratio (volume)
- 0.08
- ATM implied volatility
- 168.0%
- Expected move
- ±$0.9624
- Open interest (C / P)
- 820 / 0
IRWD options summary
The IRWD options chain for the October 16, 2026 expiration lists 3 call and 2 put contracts, with 8 days until expiration. Open interest stands at 820 calls and 0 puts, a put/call ratio of 0.00, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $5.00 strike is 168.0%, which implies the market expects a move of about ±$0.9624 (24.9%) in Ironwood Pharmaceuticals stock by expiration.
The most open interest sits at the $5.00 call (790 contracts) and the $5.00 put (0 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
IRWD options chain · October 16, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 2.00 | 0.75 | 1.75 | 2.50 | — | — | — | |||||
| 0.04 | 0.00 | 0.05 | 5.00 | 0.80 | 1.80 | 1.52 | |||||
| 0.04 | 0.00 | 1.00 | 7.50 | 3.30 | 4.30 | 2.92 | |||||
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 IRWD put/call ratio?
For the October 16, 2026 expiration, the IRWD put/call ratio based on open interest is 0.00 (0 puts vs 820 calls), and 0.08 based on today's volume. A ratio above 1 means more puts than calls.
What is IRWD's implied volatility?
At-the-money implied volatility for IRWD options expiring October 16, 2026 is about 168.0%, an annualized estimate of how much the market expects Ironwood Pharmaceuticals stock to move.
How many IRWD option expiration dates are there?
IRWD 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.