Stocks · Energy · Oil & Gas Equipment & Services

Natural Gas Services Group, Inc. NGS

$33.17 +1.28% Close, Oct 2, 2026 · NYSE · Market cap $419.1M

Strong growth

Next earnings report: Nov 9, 2026

Scroll or pinch to zoom, drag to move. Daily prices adjusted for splits. Markers: E = earnings (green beat, red miss), S = split, D = dividend.

Three things to know

  1. Net debt is 3.1× EBITDA, a high level of leverage.
  2. The stock is in a downtrend: below its 200-day average, with the 50-day average below the 200-day.
  3. Revenue over the last four quarters was $189.4M, up 15.4% from a year earlier, accelerating from 11.3% a quarter earlier.

PromtFinance scores

Each score is a percentile within the Energy sector (0–100). Under each score: how the stock ranks in its sector on every component. As of Oct 5, 2026.

Growth82Strong

How fast revenue, earnings and cash flow are growing.

  • Revenue growth (TTM, YoY)Top 38%
  • EPS growth (TTM, YoY)Top 41%
  • Revenue growth, 3-year CAGRTop 8%
  • Revenue growth accelerationBottom 48%
Quality61Neutral

Returns on capital, margins, earnings quality and balance-sheet strength.

  • Return on invested capitalBottom 38%
  • Gross marginTop 33%
  • Operating marginTop 31%
  • Cash conversion (OCF / net income)Top 14%
  • Accruals (lower is better)Top 44%
  • Net debt / EBITDA (lower is better)Bottom 24%
  • Interest coverBottom 41%
Value42Weak

How cheap the shares are relative to earnings, cash flow and their own history.

  • Earnings yieldTop 47%
  • Free-cash-flow yieldBottom 16%
  • EBITDA / enterprise valueTop 33%
  • Sales / enterprise valueBottom 25%
  • P/E vs own 5-year history (lower is better)Top 35%
Momentum39Weak

Strength and persistence of the price trend, including versus the S&P 500.

  • 12-month return excluding last monthTop 48%
  • 6-month returnBottom 37%
  • 1-year return vs S&P 500Top 44%
  • Distance from 52-week highBottom 42%
  • Trend checklist (0–4)Bottom 18%
Revisions57Neutral

Earnings surprises and analyst sentiment (estimate-revision history is being collected).

  • Average EPS surprise, last 4 quartersBottom 44%
  • Consecutive EPS beatsBottom 20%
  • Share of analysts rating BuyTop 29%
  • Upside to consensus price targetTop 16%
Stability36Weak

Low volatility, shallow drawdowns, low market sensitivity and modest leverage.

  • Volatility, 60 days (lower is better)Top 38%
  • Maximum drawdown, 3 yearsTop 34%
  • Beta vs S&P 500 (lower is better)Bottom 18%
  • Net debt / EBITDA (lower is better)Bottom 24%

What changed

Latest four quarters versus the same period a year earlier (growth: versus one quarter earlier).

MeasureBeforeNow
Revenue growth (YoY)11.3%15.4%↑
EPS growth (YoY)27.4%13.4%↓
Gross margin42.4%44.2%↑
Operating margin21.6%23.1%↑
FCF margin-12.9%-16.5%↓

Fundamental momentum

MeasureNow (TTM)Year / quarter beforeSector rank
Revenue growth (TTM, YoY)15.4%11.3%↑Top 38%
EPS growth (TTM, YoY)13.4%27.4%↓Top 41%
Gross margin44.2%42.4%↑Top 33%
Operating margin23.1%21.6%↑Top 31%
Net margin10.8%10.9%↓—
Free-cash-flow margin-16.5%-12.9%↓—
Return on invested capital4.7%—Bottom 38%
Revenue growth, 3-year CAGR26.6%—Top 8%

Quality of earnings and balance sheet

Cash conversion (OCF / net income)Above 1× means profits are backed by cash.
3.00×
Accruals (net income − OCF) / assetsLower is better; high accruals can signal weaker earnings quality.
-8.2%
Stock-based compensation / revenueA cost to shareholders through dilution.
1.4%
Receivables growth vs revenue growthReceivables growing much faster than sales can be a warning.
-27.8 pp
Net debt / EBITDABelow 1× is conservative; above 3× is high leverage.
3.15×
Interest cover (operating income / interest)How many times operating profit covers interest.
2.9×

Shareholder returns

Dividend yield (dividends paid, TTM)
1.11%
Net buyback yield (TTM)
-0.27%
Shareholder yield
0.84%
Share count change, 1 year
+1.7%
Share count change, 3-year CAGR
+1.2%

Shareholder yield = dividends + net buybacks over the last four quarters, divided by market cap.

Based on the four quarters through Jun 30, 2026 (filed Aug 10, 2026).

Earnings and expectations

Earnings momentum

Consecutive EPS beats
0
Beats in the last 8 reports
5 of 8
Average EPS surprise, last 4
+4.7%
Average 2-day reaction, last 8
+3.0%
Positive 20 days after report
6 of 8

Analysts

Consensus price target
$54.00
Target vs current price
+62.8%
Analysts with a rating
16
Share rating Buy or Strong Buy
69%
Consensus rating
Buy

How the stock reacted to recent reports

Report dateEPS surprise2 days5 days20 days60 days
Aug 10, 2026-25.0%-0.1%+2.6%-1.8%—
May 11, 2026+17.8%+3.6%+9.4%+6.1%-5.3%
Mar 16, 2026-13.5%+2.8%+9.7%+9.7%+14.0%
Nov 10, 2025+39.4%+4.0%+1.2%+8.9%+19.0%
Aug 11, 2025+28.1%+2.3%-1.5%+4.9%+13.4%
May 12, 2025+40.7%+5.5%+21.6%+21.7%+19.1%
Mar 17, 2025-14.8%+4.4%-4.4%-18.2%+10.8%
Nov 14, 2024+73.9%+1.2%+7.5%+11.9%+11.9%

Returns from the close before each report. Past reactions do not determine future ones.

Earnings history

Report dateEPSEstimateSurpriseRevenue
Aug 10, 2026$0.30$0.40-25.0%$51.4M
May 11, 2026$0.53$0.45+17.8%$48.5M
Mar 16, 2026$0.32$0.37-13.5%$46.1M
Nov 10, 2025$0.46$0.33+39.4%$43.4M
Aug 11, 2025$0.41$0.32+28.1%$41.4M
May 12, 2025$0.38$0.27+40.7%$41.4M
Mar 17, 2025$0.23$0.27-14.8%$40.7M
Nov 14, 2024$0.40$0.23+73.9%$40.7M

Valuation in context

MultipleNow5-year median5-year percentileSector rank (cheapness)
P/E (trailing)20.6×21.7×50thTop 47%
P/E (forward)19.1×———
EV / EBITDA7.2×——Top 33%
EV / Sales3.94×——Bottom 25%
Free-cash-flow yield-7.47%——Bottom 16%
Earnings yield4.85%——Top 47%

P/E over the past five years

Range 16.0× – 74.0× since Sep 30, 2023. Each point: price on the filing date divided by trailing-twelve-month EPS known then.

What moved the stock over the past year

Price return, 1 year
+18.1%
Earnings per share growth (TTM)
+13.4%
Change in P/E multiple
+28.6%

Most of the move came from a change in the valuation multiple.

Technical state

Trend checklist

  • ✗ Price above 20-day average
  • ✗ Price above 50-day average
  • ✗ Price above 200-day average
  • ✗ 50-day average above 200-day
  • ✗ MACD histogram positive

Trend quality

Days above the 50-day average
0
Days above the 200-day average
0
50-day average slope (20 days)
-6.0%
200-day average slope (20 days)
+0.8%
Distance from 50-day average
-6.7%
Distance from 200-day average
-11.9%
RSI (14)
40.4
Relative volume
0.94×

Risk and drawdowns

Volatility, 60 days (annualized)
34.8%
Volatility vs own 5-year history
22th percentile · Normal for this stock
Beta vs S&P 500 (2 years, weekly)
1.03
Correlation with S&P 500
0.36
Current drawdown from 1-year high
-24.8%
Maximum drawdown, 3 years
-40.9%

Largest declines in the past six years

From peakTo lowDeclineLengthRecovery
Jan 21, 2025Apr 8, 2025-40.9%54 days149 days (Nov 10, 2025)
Jun 6, 2022Jul 12, 2022-37.4%24 days305 days (Sep 27, 2023)
Dec 10, 2020Jan 27, 2021-33.6%31 days174 days (Oct 5, 2021)
Apr 24, 2024Aug 5, 2024-28.6%70 days69 days (Nov 11, 2024)
Jun 23, 2026Sep 29, 2026-27.5%68 daysNot yet recovered

Declines of 10% or more from a closing high, measured on daily closes.

Financial statements

Market cap
$419.1M
P/E (TTM)
20.6
EPS, diluted (TTM)
$1.61
Revenue (TTM)
$189.4M
Dividend yield
1.57%
52-week range
$25.53 – $44.61
FY 2021FY 2022FY 2023FY 2024FY 2025
Revenue$72.4M$84.8M$121.2M$156.7M$172.3M
Gross profit$1.7M$14.4M$32.2M$56.6M$63.9M
Operating income-$12.4M$431,000$10.5M$33.3M$40.4M
Net income-$9.2M-$569,000$4.7M$17.2M$19.9M
EPS (diluted)-$0.70-$0.05$0.38$1.37$1.57
Q3 2024Q4 2024Q1 2025Q2 2025Q3 2025Q4 2025Q1 2026Q2 2026
Revenue$40.7M$40.7M$41.4M$41.4M$43.4M$46.1M$48.5M$51.4M
Net income$5.0M$2.9M$4.9M$5.2M$5.8M$4.1M$6.8M$3.8M
EPS (diluted)$0.40$0.23$0.38$0.41$0.46$0.32$0.53$0.30
FY 2021FY 2022FY 2023FY 2024FY 2025
Operating cash flow$28.3M$27.8M$18.0M$66.5M$62.9M
Capital expenditure-$25.7M-$65.1M-$153.9M-$71.9M-$121.5M
Free cash flow$2.6M-$37.4M-$135.9M-$5.4M-$58.6M
Dividends paid$0$0$0$0-$2.6M
Net share buybacks-$7.9M-$6.7M-$983,000$293,000$168,000

Cash outflows are shown as negative numbers.

Cash and short-term investments
$84,000
Total assets
$718.3M
Total liabilities
$423.9M
Total debt
$328.0M
Net debt
$327.9M
Shareholders’ equity
$294.5M

As of Jun 30, 2026 (filed Aug 10, 2026).

Dividends

Ex-dateAmountPaid
Aug 19, 2026$0.15Sep 2, 2026
May 20, 2026$0.15Jun 3, 2026
Feb 18, 2026$0.11Mar 4, 2026
Nov 20, 2025$0.11Dec 3, 2025
Aug 8, 2025$0.10Aug 22, 2025

Short interest

Shares sold short
472,974
Days to cover
3.86
Change vs previous report
+5.5%

FINRA short interest, settlement date Sep 15, 2026.