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
- Jan 15, 2027
- Days to expiration
- 96
- Share price
- $33.10
- Put/call ratio (OI)
- 0.94
- Put/call ratio (volume)
- 1.31
- Expected move
- ±$10.98
- Open interest (C / P)
- 329 / 309
NGS options summary
The NGS options chain for the January 15, 2027 expiration lists 11 call and 8 put contracts, with 96 days until expiration. Open interest stands at 329 calls and 309 puts, a put/call ratio of 0.94, which is fairly balanced between calls and puts. At-the-money implied volatility near the $32.50 strike is 64.7%, which implies the market expects a move of about ±$10.98 (33.2%) in Natural Gas Services Group stock by expiration.
The most open interest sits at the $35.00 call (113 contracts) and the $25.00 put (101 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
NGS options chain · January 15, 2027
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| — | — | — | 22.50 | 0.05 | 0.35 | 0.35 | |||||
| 8.92 | 7.40 | 9.90 | 25.00 | 0.15 | 0.50 | 0.57 | |||||
| — | — | — | 27.50 | 0.30 | 0.80 | 1.15 | |||||
| — | — | — | 30.00 | 0.65 | 1.65 | 1.22 | |||||
| 5.60 | 2.00 | 4.80 | 32.50 | 0.95 | 3.90 | 1.55 | |||||
| 4.40 | 1.50 | 2.25 | 35.00 | 3.00 | 5.00 | 4.10 | |||||
| 2.90 | 0.00 | 0.00 | 37.50 | 3.50 | 6.30 | 3.00 | |||||
| 0.73 | 0.00 | 2.95 | 40.00 | 0.00 | 0.00 | 5.23 | |||||
| 1.10 | 0.00 | 2.60 | 42.50 | — | — | — | |||||
| 0.36 | 0.00 | 2.40 | 45.00 | — | — | — | |||||
| 1.50 | 0.00 | 2.75 | 47.50 | — | — | — | |||||
| 1.15 | 0.00 | 2.50 | 50.00 | — | — | — | |||||
| 0.90 | 0.00 | 0.00 | 55.00 | — | — | — | |||||
| 0.01 | 0.00 | 0.75 | 60.00 | — | — | — | |||||
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 January 15, 2027 expiration, the NGS put/call ratio based on open interest is 0.94 (309 puts vs 329 calls), and 1.31 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 January 15, 2027 is about 64.7%, 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.