Is Flexible Solutions International, Inc. overvalued or undervalued?

As of 17 October 2025, the valuation grade for Flexible Solutions International, Inc. moved from expensive to fair. The company appears to be fairly valued based on its current metrics. The P/E ratio stands at 16, the Price to Book Value is 1.42, and the EV to EBITDA ratio is 8.37, indicating a reasonable valuation relative to its earnings and asset base.
In comparison to its peers, Flexible Solutions International, Inc. has a P/E ratio of 30.09 for its peer group, which suggests that it is positioned more favorably in terms of valuation. Notably, Arq, Inc. shows a risky valuation with a P/E of -343.94, while Fuel Tech, Inc. also carries a risky profile with a negative P/E. Over the past year, Flexible Solutions International, Inc. has delivered a stock return of 148.62%, significantly outperforming the S&P 500's return of 14.08%, reinforcing its favorable valuation position.