Natural Gas Services Group (NGS) Options Chain
NYSE: NGSEnergyOilfield Services/EquipmentUSD
Market open · Delayed 15 min · as of Oct 9, 11:35 AM ET
Expiration date
- Expiration
- Oct 16, 2026
- Days to expiration
- 7
- Share price
- $33.40
- Put/call ratio (OI)
- 0.22
- Put/call ratio (volume)
- 0.94
- Expected move
- ±$3.21
- Open interest (C / P)
- 294 / 66
NGS options summary
The NGS options chain for the October 16, 2026 expiration lists 11 call and 10 put contracts, with 7 days until expiration. Open interest stands at 294 calls and 66 puts, a put/call ratio of 0.22, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $32.50 strike is 69.5%, which implies the market expects a move of about ±$3.21 (9.6%) in Natural Gas Services Group stock by expiration.
The most open interest sits at the $45.00 call (131 contracts) and the $35.00 put (22 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
NGS options chain · October 16, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 13.60 | 10.10 | 12.00 | 22.50 | 0.00 | 0.00 | 0.20 | |||||
| — | — | — | 25.00 | 0.00 | 0.00 | 0.40 | |||||
| — | — | — | 27.50 | 0.00 | 2.45 | 0.75 | |||||
| 14.51 | 0.00 | 0.00 | 30.00 | 0.00 | 0.00 | 0.50 | |||||
| 4.75 | 0.10 | 3.10 | 32.50 | 0.00 | 2.40 | 0.89 | |||||
| 0.25 | 0.00 | 0.95 | 35.00 | 0.45 | 2.15 | 1.55 | |||||
| 0.84 | 0.00 | 0.75 | 37.50 | 3.00 | 5.50 | 1.75 | |||||
| 0.40 | 0.00 | 1.75 | 40.00 | 0.00 | 0.00 | 4.80 | |||||
| 0.25 | 0.00 | 0.75 | 42.50 | 6.30 | 9.60 | 3.80 | |||||
| 0.70 | 0.00 | 0.75 | 45.00 | 5.50 | 8.50 | 5.30 | |||||
| 0.90 | 0.00 | 1.75 | 47.50 | — | — | — | |||||
| 1.25 | 0.00 | 2.80 | 50.00 | — | — | — | |||||
| 0.75 | 0.00 | 0.75 | 55.00 | — | — | — | |||||
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 October 16, 2026 expiration, the NGS put/call ratio based on open interest is 0.22 (66 puts vs 294 calls), and 0.94 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 October 16, 2026 is about 69.5%, 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.