InflaRx N.V. (IFRX) Options Chain
NASDAQ: IFRXHealth CareBiotechnology: Pharmaceutical PreparationsUSD
At close: Oct 8, 4:00 PM ET · Delayed 15 min
After hours: 1.53 0.00%
Expiration date
- Expiration
- Oct 16, 2026
- Days to expiration
- 8
- Share price
- $1.53
- Put/call ratio (OI)
- 0.03
- Put/call ratio (volume)
- 0.11
- ATM implied volatility
- 195.3%
- Expected move
- ±$0.4424
- Open interest (C / P)
- 715 / 18
IFRX options summary
The IFRX options chain for the October 16, 2026 expiration lists 7 call and 5 put contracts, with 8 days until expiration. Open interest stands at 715 calls and 18 puts, a put/call ratio of 0.03, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $1.50 strike is 195.3%, which implies the market expects a move of about ±$0.4424 (28.9%) in InflaRx N.V. stock by expiration.
The most open interest sits at the $2.50 call (241 contracts) and the $2.00 put (12 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
IFRX options chain · October 16, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 1.40 | 0.70 | 1.45 | 0.50 | 0.00 | 0.05 | 0.05 | |||||
| 1.25 | 0.25 | 1.00 | 1.00 | 0.00 | 0.00 | 0.03 | |||||
| 0.68 | 0.00 | 0.75 | 1.50 | 0.00 | 0.00 | 0.05 | |||||
| 0.05 | 0.00 | 0.95 | 2.00 | 0.15 | 0.90 | 0.36 | |||||
| 0.06 | 0.00 | 0.50 | 2.50 | 0.60 | 1.35 | 0.40 | |||||
| 0.01 | 0.00 | 0.00 | 5.00 | — | — | — | |||||
| 0.29 | 0.00 | 0.70 | 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 IFRX put/call ratio?
For the October 16, 2026 expiration, the IFRX put/call ratio based on open interest is 0.03 (18 puts vs 715 calls), and 0.11 based on today's volume. A ratio above 1 means more puts than calls.
What is IFRX's implied volatility?
At-the-money implied volatility for IFRX options expiring October 16, 2026 is about 195.3%, an annualized estimate of how much the market expects InflaRx N.V. stock to move.
How many IFRX option expiration dates are there?
IFRX has 4 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.