Pulmonx (LUNG) Options Chain
NASDAQ: LUNGHealth CareMedical/Dental InstrumentsUSD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- Dec 18, 2026
- Days to expiration
- 68
- Share price
- $1.84
- Put/call ratio (OI)
- 0.02
- Put/call ratio (volume)
- 2.50
- ATM implied volatility
- 135.9%
- Expected move
- ±$1.08
- Open interest (C / P)
- 95 / 2
LUNG options summary
The LUNG options chain for the December 18, 2026 expiration lists 6 call and 4 put contracts, with 68 days until expiration. Open interest stands at 95 calls and 2 puts, a put/call ratio of 0.02, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $2.00 strike is 135.9%, which implies the market expects a move of about ±$1.08 (58.7%) in Pulmonx stock by expiration.
The most open interest sits at the $2.50 call (56 contracts) and the $2.00 put (2 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
LUNG options chain · December 18, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 0.96 | 1.45 | 2.15 | 0.50 | 0.00 | 0.00 | 0.05 | |||||
| 1.12 | 0.90 | 1.65 | 1.00 | 0.00 | 0.00 | 0.05 | |||||
| 1.04 | 0.00 | 0.00 | 1.50 | 0.00 | 0.00 | 0.15 | |||||
| 0.68 | 0.05 | 0.75 | 2.00 | 0.20 | 0.80 | 0.33 | |||||
| 0.28 | 0.10 | 0.60 | 2.50 | — | — | — | |||||
| 0.10 | 0.00 | 0.00 | 5.00 | — | — | — | |||||
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 LUNG put/call ratio?
For the December 18, 2026 expiration, the LUNG put/call ratio based on open interest is 0.02 (2 puts vs 95 calls), and 2.50 based on today's volume. A ratio above 1 means more puts than calls.
What is LUNG's implied volatility?
At-the-money implied volatility for LUNG options expiring December 18, 2026 is about 135.9%, an annualized estimate of how much the market expects Pulmonx stock to move.
How many LUNG option expiration dates are there?
LUNG has 4 listed expiration dates, from Oct 16, 2026 to Feb 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.