SPWR Historical PE Ratio Notes

— SunPower Corp. (ticker symbol: SPWR) is a leading solar technology & energy services provider, primarily focused on designing, manufacturing, & delivering high-efficiency solar panels and integrated energy solutions for residential and commercial customers. The company's core business revolves around advancing solar panel technology, offering energy storage, and providing system installation & maintenance services. For investors analyzing historical P/E ratio data, it's important to understand that SunPower operates in a highly dynamic & sometimes volatile solar energy sector, which is influenced by shifts in government policy, technological breakthroughs, raw material costs, and cyclical demand for renewable energy. These factors can result in fluctuating earnings, and periods of losses or low profitability—helping explain why the company's P/E ratio history may show dramatic swings, or even become undefined when earnings are negative. Additionally, as SunPower has evolved over time—spinning off segments or shifting focus—the company's fundamentals have periodically changed, which also impacts its earnings base and the multiple that the market is willing to assign. When reviewing historical P/E ratio charts & tables, keep in mind that macroeconomic trends, industry incentives, and SunPower's shifting business strategy all play crucial roles in shaping its valuation metrics.

On this page we presented the SPWR Historical PE Ratio information for SunPower' stock. The average SPWR historical PE based on using the annualized quarterly earnings result at each measurement period (for the "E" in the PE calculation; and the closing price on earnings date as the "P") is 2.7. Meanwhile, using the trailing twelve month (TTM) quarterly earnings result as our method of calculation the "E" value at each measurement period, the average SPWR historical PE based on this TTM earnings result method is 16.8. Note: any PE calculations involving negative earnings were discarded as not meaningful.

Let's now compare this SPWR historical PE result, against the recent PE: when this page was posted on 4/15/2026, the most recent closing price for SPWR had been 1.21, and the most recent quarterly earnings result, annualized, was 3.28. Meanwhile, the most recent TTM earnings summed to 0.54. From these numbers, we calculate the recent SPWR PE on 4/15/2026 based on annualized quarterly EPS was 0.4. Based on SPWR's history, that recent PE is low relative to the historical average, with the recent PE 85.2% lower than the historical average PE across our data set for SunPower. Looking at the recent SPWR PE on 4/15/2026 based on TTM EPS, we calculate the ratio at 2.2. Based on SPWR's history, that recent PE is low relative to the historical average, with the recent PE 86.9% lower than the average PE across our SunPower data set with TTM EPS used in the calculation at each period.

For self directed investors doing their due diligence on SPWR or any other given stock, valuation analysis for SPWR can greatly benefit from studying the past earnings and resulting PE calculations. This exercise can help inform an analysis as to whether the past earnings trajectory and current versus historical PE ratios justify the current stock value.

That's why we bring you HistoricalPERatio.com to make it easy for investors to investigate SunPower PE history or the past PE information for any stock in our coverage universe. And in your continued research we hope you will be sure to check out the further links included for earnings surprises history (beat/miss data) as well as next earnings dates for SPWR. Thanks for visiting, and the next time you need to research SPWR Historical PE Ratio or the ratio for another stock, we hope you'll think of our site, as your go-to historical PE ratio research resource of choice.