Natural Gas Services GroupNGS +1.43%78 Days Inventory is 67.82 as of Mar. 2026, which is 42% below its 10-year median of 117.06. GuruFocus rates NGS with a GF Score™ of 78/100 and a GF Value™ of $28.26 (Significantly Overvalued). The stock has 8 warning signs investors should review. Among 688 Oil & Gas companies, Natural Gas Services Group ranks worse than 77.03% on this metric.
Inventory Turnover measures how fast the company turns over its inventory within a year.
Natural Gas Services Group's Inventory Turnover for the
three
months ended in Mar. 2026 was 1.35.
Inventory-to-Revenue determines the ability of a company to manage their inventory levels. It measures the percentage of Inventories the company currently has on hand to support the current amount of Revenue.
Natural Gas Services Group's Inventory-to-Revenue for the
three
months ended in Mar. 2026 was 0.44.
Natural Gas Services Group (NYSE:NGS) Days Inventory Explanation
Days Inventory indicates the liquidity of the inventory. Generally, a lower Days Inventory is preferred as it indicates a shorter duration to clear off the inventory. An increase of the ratio may indicate the company's sales slowed. Similar ratios related to Days Inventory are:
1. Inventory Turnover measures how fast the company turns over its inventory within a year.
Natural Gas Services Group's Inventory Turnover for the
three
months ended in Mar. 2026 is calculated as
2. Inventory-to-Revenue determines the ability of a company to manage their inventory levels. It measures the percentage of Inventories the company currently has on hand to support the current amount of Revenue.
Natural Gas Services Group's Inventory to Revenue for the
three
months ended in Mar. 2026 is calculated as
* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD. * For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.
Be Aware
A lot of business are seasonable. It makes more sense to compare Days Inventory from the same period in the previous year instead of from the previous quarter.
Natural Gas Services Group Days Inventory Related Terms
Natural Gas Services Group Days Inventory Historical Data
* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD. * For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.
For the Oil & Gas Equipment & Services subindustry, Natural Gas Services Group's Days Inventory, along with its competitors' market caps and Days Inventory data, can be viewed below:
* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap. Note that "N/A" values will not show up in the chart.
Natural Gas Services Group Days Inventory vs Oil & Gas Industry
For the Oil & Gas industry and Energy sector, Natural Gas Services Group's Days Inventory distribution charts can be found below:
* The bar in red indicates where Natural Gas Services Group's Days Inventory falls into.
* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD. * For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.
Natural Gas Services Group (NGS) has a Days Inventory of 67.82 as of Mar. 2026. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Natural Gas Services Group and its competitors. This is 42% below median its historical median of 117.06. Over the past decade, Natural Gas Services Group's Days Inventory has ranged from 65.13 to 180.98. According to the industry distribution chart, Natural Gas Services Group ranks #530 out of 688 companies in the Oil & Gas industry, placing it in the top 77%.
Is Natural Gas Services Group's Days Inventory too high?
Natural Gas Services Group's current Days Inventory of 67.82 is 42% below median its 10-year median of 117.06. Over the past 10 years, this metric has ranged from a low of 65.13 to a high of 180.98. The Oil & Gas industry median Days Inventory is 31.00. Natural Gas Services Group's value of 67.82 is 118.8% above this industry median. Based on the distribution chart, Natural Gas Services Group ranks #530 out of 688 companies in the Oil & Gas industry, which is in the bottom quartile relative to peers. Overall, Natural Gas Services Group has a GF Score™ of 78/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Natural Gas Services Group's Days Inventory compare to OIS and FET?
According to the Oil & Gas industry distribution chart, Natural Gas Services Group ranks #530 out of 688 companies for Days Inventory. This places Natural Gas Services Group in the lower half of its industry. The industry median Days Inventory is 31.00. Natural Gas Services Group's value of 67.82 is 118.8% above this benchmark. Historically, Natural Gas Services Group's own Days Inventory has ranged from 65.13 to 180.98 over the past decade. While the company's 10-year median is 117.06 vs. the industry median of 31.00, Natural Gas Services Group has consistently been above the industry average. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Days Inventory for an Oil & Gas company?
The median Days Inventory among Oil & Gas companies is 31.00, based on 688 companies in the industry. Companies in the top quartile (top 25%) have a Days Inventory significantly above this median, while those in the bottom quartile fall well below. However, Days Inventory should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Natural Gas Services Group's current Days Inventory of 67.82 is 118.8% above the industry median. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Days Inventory mean?
A high Days Inventory can signal that a stock is expensive relative to its fundamentals. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Natural Gas Services Group and its competitors. For the Oil & Gas industry, the median Days Inventory is 31.00 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Natural Gas Services Group's current Days Inventory is 67.82, which is 42% below median its own 10-year median of 117.06. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Natural Gas Services Group stock overvalued right now?
Based on GuruFocus' analysis, Natural Gas Services Group (NGS) is currently considered Significantly Overvalued. The stock's GF Value™ is $28.26, compared to a current price of $43.99 — trading 55.7% above its estimated fair value. The current Days Inventory is 67.82, which is 42% below median its 10-year median of 117.06 and 118.8% above the Oil & Gas industry median of 31.00. Natural Gas Services Group's overall GF Score™ is 78/100 with 8 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Days Inventory calculated?
Days Inventory is calculated from a company's financial statements. For Natural Gas Services Group (NGS), the current Days Inventory is 67.82 as of Mar. 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.
Is Natural Gas Services Group (NGS) Overvalued in 2026?
Based on GuruFocus' analysis, Natural Gas Services Group stock appears to be overvalued.
The current stock price of $43.99 is trading 55.7% above its estimated GF Value™ of $28.26.
GuruFocus considers Natural Gas Services Group to be Significantly Overvalued.
Key valuation signals for NGS:
Days Inventory: 67.82 (42% below median its 10-year median of 117.06)
GF Value™: $28.26 vs. price of $43.99 (55.7% above fair value)
Industry Position: 118.8% above the Oil & Gas median (#530 of 688)
No single metric tells the full story. See the NGS stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Natural Gas Services Group Inc provides natural gas compression equipment and services to the energy industry. The company manufactures, fabricates, rents, sells, and maintains natural gas compressors and flare systems for oil and natural gas production and plant facilities. Its operating units include Rental, Sales, and Aftermarket services. It operates in one reporting segment. The company generates the majority of its revenue by renting out low- to medium-horsepower compression equipment to natural gas production companies in unconventional oil and gas regions of the United States.
78GF Score
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