Day One Biopharmaceutical Historical PE Ratio
This DAWN historical PE ratio page, which was last updated 5/20/2026, presents historical price to earnings information for Day One Biopharmaceutical under both the TTM method and
the annualized method, and presented in both tabular and graphical format for ease of study.
DAWN Historical PE Ratio Notes
— Day One Biopharmaceuticals (ticker: DAWN) is a clinical-stage biopharma company focused on developing & commercializing targeted therapies for children, adolescents, & adults with cancers that have historically lacked effective treatments—particularly pediatric and young adult populations. DAWN’s business model means it often operates at a net loss due to heavy R&D spending and a lack of consistent product revenue, as most of its drugs are still in clinical trials. This directly impacts its historical price-to-earnings (PE) ratio: for much of its history, DAWN has likely shown a negative or undefined PE ratio, since earnings have been negative or minimal. Unlike mature companies, early-stage biotechs like DAWN are valued largely on future potential rather than current profits, causing their historical PE ratios—when calculable—to fluctuate and often be high or not meaningful. When you review DAWN's historical PE data, expect there to be gaps (years with no PE ratio at all) or periods with extremely high or negative figures, reflecting the inherent uncertainty and speculative premium often applied by the stock market to emerging biotech companies in their pre-commercial stages.
How should the DAWN 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 Day One Biopharmaceutical. 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 DAWN Historical PE Ratio page.
What is the average historical PE for DAWN 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 DAWN historical PE ratio using the annualized quarterly earnings method works out to 9.0.
What is the average historical PE for DAWN 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 DAWN historical PE ratio using the TTM earnings method works out to NA.
On this page we presented the
Day One Biopharmaceutical Historical PE Ratio information for Day One Biopharmaceutical' stock.
The average DAWN 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 9.0. Meanwhile, using the trailing twelve month (TTM) quarterly earnings result as our method of calculation the "E" value at each measurement period, the average DAWN historical PE based on this TTM earnings result method is NA. Note: any PE calculations involving negative earnings were discarded as not meaningful.
Let's now compare this DAWN historical PE result, against the recent PE: when this page was posted on 4/23/2026, the most recent closing price for DAWN had been 21.53, and the most recent quarterly earnings result, annualized, was 1.52. Meanwhile, the most recent TTM earnings summed to NA. From these numbers, we calculate the recent DAWN PE on 4/23/2026 based on annualized quarterly EPS was 14.2. Based on DAWN's history, that recent PE is elevated relative to the historical average, with the recent PE 57.8% higher than the historical average PE across our data set for Day One Biopharmaceutical.
For self directed investors doing their due diligence on DAWN or any other given stock, valuation analysis for DAWN
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
Day One Biopharmaceutical 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 DAWN. Thanks for visiting, and the next
time you need to research
DAWN 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.