P/E vs YoY
P/E (Price-to-Earnings Ratio) and YoY (Year over Year) both come up in business conversations and get confused. Here's the plain-English difference, side by side, so you can use each one with confidence.
The key difference: P/E refers to price-to-earnings ratio, while YoY refers to year over year — they describe different things even when they show up in the same sentence.
P/E — Price-to-Earnings Ratio
A company's stock price divided by its earnings per share. P/E is the most common quick valuation multiple.
YoY — Year over Year
A comparison of a metric in one period vs the same period one year ago. YoY strips out seasonality.
When to use P/E
Reach for "P/E" when the conversation is specifically about price-to-earnings ratio. A company's stock price divided by its earnings per share. P/E is the most common quick valuation multiple.
When to use YoY
Reach for "YoY" when the conversation is specifically about year over year. A comparison of a metric in one period vs the same period one year ago. YoY strips out seasonality.
FAQs
What is the difference between P/E and YoY?
P/E stands for Price-to-Earnings Ratio — A company's stock price divided by its earnings per share. P/E is the most common quick valuation multiple. YoY stands for Year over Year — A comparison of a metric in one period vs the same period one year ago. YoY strips out seasonality.
Are P/E and YoY the same thing?
No. They're often used in the same conversation because they're related, but they describe different concepts. P/E = Price-to-Earnings Ratio. YoY = Year over Year.
When should I use P/E vs YoY?
Use P/E when you're specifically referring to price-to-earnings ratio. Use YoY when the topic is year over year.