Is WD-40 Co. overvalued or undervalued?

As of 7 November 2025, the valuation grade for WD-40 Co. has moved from fair to expensive, indicating a shift towards overvaluation. The company appears overvalued based on its high P/E ratio of 57, a Price to Book Value of 20.00, and an EV to EBITDA of 44.67. In comparison, Axalta Coating Systems Ltd. has a P/E of 19.81 and an EV to EBITDA of 9.89, while CSW Industrials, Inc. is classified as expensive with a P/E of 32.31.
Despite a recent positive return of 2.06% over the past week compared to a -1.63% return for the S&P 500, WD-40 Co. has underperformed significantly over longer periods, with a year-to-date return of -18.30% versus the S&P 500's 14.40%. This performance, combined with its high valuation ratios, reinforces the conclusion that WD-40 Co. is overvalued.