Natural Gas Services Group (NGS) Options Chain
NYSE: NGSEnergyOilfield Services/EquipmentUSD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- Nov 20, 2026
- Days to expiration
- 40
- Share price
- $33.10
- Put/call ratio (OI)
- 0.00
- Put/call ratio (volume)
- 0.00
- Expected move
- ±$5.99
- Open interest (C / P)
- 16 / 0
NGS options summary
The NGS options chain for the November 20, 2026 expiration lists 3 call and 0 put contracts, with 40 days until expiration. Open interest stands at 16 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 $35.00 strike is 54.7%, which implies the market expects a move of about ±$5.99 (18.1%) in Natural Gas Services Group stock by expiration.
Summary generated from market data by MetaCap's automated system. Methodology
NGS options chain · November 20, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 1.64 | 0.00 | 3.30 | 35.00 | — | — | — | |||||
| 1.85 | 0.05 | 1.35 | 37.50 | — | — | — | |||||
| 0.40 | 0.00 | 0.80 | 40.00 | — | — | — | |||||
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 NGS put/call ratio?
For the November 20, 2026 expiration, the NGS put/call ratio based on open interest is 0.00 (0 puts vs 16 calls), and 0.00 based on today's volume. A ratio above 1 means more puts than calls.
What is NGS's implied volatility?
At-the-money implied volatility for NGS options expiring November 20, 2026 is about 54.7%, an annualized estimate of how much the market expects Natural Gas Services Group stock to move.
How many NGS option expiration dates are there?
NGS 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.