Stock Market

Should the Current Stock Market Valuation Concern Investors? Here's What Billionaire Bill Ackman Thinks.

By Bullbit Editorial · March 28, 2026

WhatBillionaire Bill Ackman believes the current S&P 500 valuation is **high**, with a price-to-earnings ratio of **25.5**.
WhyAckman cites the high valuation as a reason for caution, suggesting it may be a sign of a market bubble.
SignalThe S&P 500's price-to-earnings ratio has risen **70%** since the start of 2020.
TargetAckman's hedge fund, Pershing Square, has a target price for the S&P 500 of **4,000**.
RiskA market correction of **10%** or more could be on the horizon, according to Ackman.