Alpha & Omega Historical PE Ratio
This AOSL historical PE ratio page, which was last updated 8/28/2026, presents historical price to earnings information for Alpha & Omega under both the TTM method and
the annualized method, and presented in both tabular and graphical format for ease of study.
AOSL Historical PE Ratio Notes
— Alpha & Omega Semiconductor Limited (AOSL) is a fabless designer, developer, and global supplier of a broad range of power semiconductors. These products are crucial components in systems that manage power in everything from consumer electronics and computers to industrial applications and automotive systems. The company's revenues are driven by both cyclical demand in end markets and secular trends toward energy efficiency and electrification. When reviewing AOSL's historical P/E ratio, it's important to understand how their earnings can be influenced by fluctuations in chip demand, product mix, and manufacturing costs, as well as broader macroeconomic conditions that affect their key markets. Periods of strong technology demand or successful product launches can lead to higher earnings — and if investors expect that growth to continue, the P/E ratio may rise. Conversely, if earnings fall due to industry downturns or supply chain disruptions, the P/E ratio can drop, or expand if share price does not adjust as fast as earnings change. As you review AOSL's historical charts and tables, consider both the company's performance and external factors influencing semiconductor cycles, as these factors are reflected in the company's historical P/E ratio volatility.
How should the AOSL historical PE ratio be determined?
Realizing that PE stands for Price to Earnings ratio, we need two values to compute it: stock price and earnings per share. The stock price at any given date is a known historical value, but what about the earnings number to use?
✔️Accepted answer:
There are a number of different approaches when it comes to calculating a historical PE ratio for a company like Alpha & Omega. We like to take our measurements on each of the past quarterly earnings reports. That only leaves the question of whether the earnings number at that quarterly report should be used on an annualized basis, or some other method. We approach this question using three different methods, on this AOSL Historical PE Ratio page.
What is the average historical PE for AOSL based on annualized quarterly earnings?
As we look back through earnings history, what is the resulting PE calculation if at each measurement period we use that quarter's earnings result annualized?
✔️Accepted answer:
The AOSL historical PE ratio using the annualized quarterly earnings method works out to 34.0.
What is the average historical PE for AOSL based on trailing twelve month earnings?
As we look back through earnings history, what is the resulting PE calculation if at each measurement period we use the trailing twelve months combined earnings result in the calculation?
✔️Accepted answer:
The AOSL historical PE ratio using the TTM earnings method works out to 33.8.
On this page we presented the
Alpha & Omega Historical PE Ratio information for Alpha & Omega' stock.
The average AOSL 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 34.0. Meanwhile, using the trailing twelve month (TTM) quarterly earnings result as our method of calculation the "E" value at each measurement period, the average AOSL historical PE based on this TTM earnings result method is 33.8. Note: any PE calculations involving negative earnings were discarded as not meaningful.
Let's now compare this AOSL historical PE result, against the recent PE: when this page was posted on 8/27/2026, the most recent closing price for AOSL had been 26.23, and the most recent quarterly earnings result, annualized, was 0.52. Meanwhile, the most recent TTM earnings summed to 0.14. From these numbers, we calculate the recent AOSL PE on 8/27/2026 based on annualized quarterly EPS was 50.4. Based on AOSL's history, that recent PE is elevated relative to the historical average, with the recent PE 48.2% higher than the historical average PE across our data set for Alpha & Omega. Looking at the recent AOSL PE on 8/27/2026 based on TTM EPS, we calculate the ratio at 187.4. Based on AOSL's history, that recent PE is elevated relative to the historical average, with the recent PE 454.4% higher than the historical average PE across our Alpha & Omega data set with TTM EPS used in the calculation at each period.
For self directed investors doing their due diligence on AOSL or any other given stock, valuation analysis for AOSL
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
Alpha & Omega 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 AOSL. Thanks for visiting, and the next
time you need to research
AOSL 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.