Is Natural Gas Services Group, Inc. overvalued or undervalued?

As of 17 October 2025, the valuation grade for Natural Gas Services Group, Inc. has moved from attractive to fair, indicating a shift in its perceived investment quality. Based on the current metrics, the company appears to be fairly valued. The P/E ratio stands at 18, the EV to EBITDA ratio is 7.11, and the PEG ratio is notably low at 0.22, suggesting that the stock may not be undervalued relative to its growth prospects.
In comparison to peers, Natural Gas Services Group, Inc. has a P/E ratio of 17.57, which is lower than Graham Corp.'s 41.09 but higher than Hyster-Yale Materials Handling, Inc.'s 15.05, indicating a competitive position within the industry. Additionally, the company's EV to EBITDA ratio of 7.23 is more favorable than Graham Corp.'s 23.99, reinforcing its relative valuation appeal. Over the past year, Natural Gas Services Group, Inc. has returned 27.65%, outperforming the S&P 500's 14.08%, which may reflect its resilience in the market despite the recent grade change.