Key Highlights

  • S&P 500 corporate profits have grown 28.9%, a substantial pace of Earnings expansion for the broad index.
  • Despite that profit growth, the S&P 500's forward price-to-earnings ratio stands at 19.1, below its five-year average of 19.8.
  • A below-average forward multiple alongside strong earnings growth implies share price gains have not fully kept pace with profit growth.
  • The forward P/E reading stands in tension with the elevated Shiller CAPE ratio, which uses a longer, smoothed earnings window and points to a more expensive market.

The Math Behind a Falling Multiple

A forward price-to-earnings ratio is simply the current share price divided by expected forward earnings, so when earnings grow faster than share prices, the resulting multiple compresses even if the market itself is rising in absolute terms. With S&P 500 profits up 28.9% and the forward P/E at 19.1, below the five-year average of 19.8, the index has effectively become statistically cheaper on this measure even as it trades near record levels, because earnings expansion has outpaced price appreciation.

A Genuine Tension With the CAPE Signal

This forward P/E reading sits in direct tension with the Shiller CAPE ratio, which has stayed above 40, a level matched historically only by the run-up to the dot-com crash. The difference comes down to methodology: forward P/E reflects a single year of expected earnings, which is currently elevated by the reported 28.9% profit growth, while the Shiller CAPE smooths earnings over a full decade and is less influenced by a single strong year. Both readings can be correct simultaneously, they are simply measuring different things: near-term earnings momentum versus longer-run valuation relative to smoothed historical profits.

What This Means for Institutional Positioning

For allocators weighing whether current prices are justified, the forward P/E reading offers some support for the bull case, provided the 28.9% profit growth pace proves durable rather than a temporary spike. If earnings growth decelerates back toward historical norms while prices hold near current levels, the forward multiple would re-expand toward or above its five-year average, removing the statistical cheapness argument. The CAPE reading serves as a longer-horizon caution flag against relying too heavily on a single strong earnings year to justify current valuations.

Where Things Stand

By the narrow measure of forward earnings, stocks do look statistically cheap relative to their own recent history, a genuine byproduct of profit growth outpacing price gains. That reading should be weighed against the Shiller CAPE's longer-run warning rather than treated as the final word on valuation.