PE Ratio: 21.23

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 21.23 is 37% below its 5-year average of 33.45, near the low end of its 5-year range (18.19–110.71).

As of 2026-09-09T20:00:02.000Z. 27.75% below its 12-month average of 29.38.

PE Ratio (21.23) = Close Price ($239.94) / Diluted TTM EPS ($11.30)

IBM PE Ratio Metrics

P/E vs. its own history

At 21.2, P/E is above its 20-year median — higher than 75% 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 International Business Machines Corporation (IBM)?

The P/E ratio for IBM stock is 21.23.

Is International Business Machines Corporation's P/E ratio high or low?

The P/E ratio of 21.23 is 37% below its 5-year average of 33.45, near the low end of its 5-year range (18.19–110.71).

What is the TTM average P/E ratio for International Business Machines Corporation (IBM)?

The TTM average P/E ratio for IBM stock is 29.38.

What is the 3Y average P/E ratio for International Business Machines Corporation (IBM)?

The 3Y average P/E ratio for IBM stock is 29.68.

What is the 5Y average P/E ratio for International Business Machines Corporation (IBM)?

The 5Y average P/E ratio for IBM stock is 33.45.

What is the 10Y average P/E ratio for International Business Machines Corporation (IBM)?

The 10Y average P/E ratio for IBM stock is 19.93.

What is the 15Y average P/E ratio for International Business Machines Corporation (IBM)?

The 15Y average P/E ratio for IBM stock is 16.71.

What is the 20Y average P/E ratio for International Business Machines Corporation (IBM)?

The 20Y average P/E ratio for IBM stock is 15.37.

Showing the most recent 260 of 5,030 data points. The chart above shows the full history.

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