PE Ratio: 20.88

Basis: FMP quote price / unrounded diluted EPS from four consecutive issuer fiscal quarters. Source: stored company filings and market data; unavailable inputs remain N/A.

Is the P/E ratio high or low?

The P/E ratio of 20.88 is in line with its 5-year average of 19.05, around the middle of its 5-year range (15.56–23.81).

As of 2026-09-16T22:35:13.156Z. 11.19% above its 12-month average of 18.78.

PE Ratio (20.88) = Close Price ($120.69) / Diluted TTM EPS ($5.78)

AEP PE Ratio Metrics

P/E vs. its own history

At 20.9, P/E is above its 20-year median — higher than 82% of readings in its 20-year history.

P/E Comparison

PE Ratio Formula & Definition

PE Ratio = Share Price / Diluted EPS (TTM)

The price-to-earnings ratio measures how much investors pay for each dollar of trailing earnings. A lower PE can indicate a cheaper valuation; a higher PE implies higher growth expectations.

Expanded definitions: Investopedia, Wikipedia, Corporate Finance Institute

PE Ratio FAQ

What is the P/E ratio for American Electric Power Company, Inc. (AEP)?

The P/E ratio for AEP stock is 20.88.

Is American Electric Power Company, Inc.'s P/E ratio high or low?

The P/E ratio of 20.88 is in line with its 5-year average of 19.05, around the middle of its 5-year range (15.56–23.81).

What is the TTM average P/E ratio for American Electric Power Company, Inc. (AEP)?

The TTM average P/E ratio for AEP stock is 18.78.

What is the 3Y average P/E ratio for American Electric Power Company, Inc. (AEP)?

The 3Y average P/E ratio for AEP stock is 18.83.

What is the 5Y average P/E ratio for American Electric Power Company, Inc. (AEP)?

The 5Y average P/E ratio for AEP stock is 19.05.

What is the 10Y average P/E ratio for American Electric Power Company, Inc. (AEP)?

The 10Y average P/E ratio for AEP stock is 19.58.

What is the 15Y average P/E ratio for American Electric Power Company, Inc. (AEP)?

The 15Y average P/E ratio for AEP stock is 18.50.

What is the 20Y average P/E ratio for American Electric Power Company, Inc. (AEP)?

The 20Y average P/E ratio for AEP stock is 17.07.

Showing the most recent 260 of 5,032 data points. The chart above shows the full history.

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