The S&P 500 Is Flashing an Ominous Warning That's Been Observed Only Once Before. Will History Repeat Itself?

The CAPE ratio divides the current level of the S&P 500 by the average of inflation-adjusted earnings over the past 10 years.

Here’s the inflation breakdown for June 2026 — in one chart

The consumer price index rose 3.5% in June from a year earlier, a deceleration after several months of upward moves.
IEEE

ChartGPT: Leveraging LLMs to Generate Charts From Abstract Natural Language

Abstract: The use of natural language interfaces (NLIs) to create charts is becoming increasingly popular due to the intuitiveness of natural language interactions. One key challenge in this approach ...