Forward Earnings Growth and Why It Matters
The single biggest driver of what a stock is worth is how fast its earnings will grow. Forward earnings growth is the forecast that anchors both a fair P/E and the PEG ratio.
What forward growth measures
Forward earnings growth estimates the expected annual rate at which a company's earnings per share will increase over the coming years, based on analyst forecasts and the company's own trajectory. It's forward-looking by design: valuation is about the future, not the past.
Why it drives the multiple
Faster, more durable growth justifies a higher P/E, because each dollar of today's earnings is worth more when it's compounding. That's exactly why the PEG ratio divides P/E by growth: it normalises the multiple for the growth you're buying.
Reading growth estimates critically
Estimates are not guarantees. Pair the growth number with a track record of how often the company has actually met past forecasts (an analyst-accuracy or “hit rate”) and with the predictability pillar of a quality score. High forecast growth from a company that routinely misses is worth discounting.
Frequently asked
What is a good earnings growth rate?
It depends on the sector, but mid-teens percentage growth or higher is generally considered strong for an established company. What matters most is whether the growth is durable and whether you're paying a reasonable PEG for it.
Are analyst growth estimates reliable?
They're a useful starting point but frequently revised. Weight them by the company's history of meeting estimates and by how predictable its results are.