PE Ratio: 259.89

Basis: Latest stored market observation. 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 259.89 is in line with its 3-year average of 266.15, near the low end of its 3-year range (112.92–1965.30).

As of Friday, September 4, 2026. 13.35% above its 12-month average of 229.28.

PE Ratio (259.89) = Close Price ($262.36) / Diluted TTM EPS ($1.01)

ARM PE Ratio Metrics

P/E vs. its own history

At 259.9, P/E is at an extreme level, where the multiple carries little signal — higher than 56% of readings in its 3-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 Arm Holdings plc American Depositary Shares (ARM)?

The P/E ratio for ARM stock is 259.89.

Is Arm Holdings plc American Depositary Shares's P/E ratio high or low?

The P/E ratio of 259.89 is in line with its 3-year average of 266.15, near the low end of its 3-year range (112.92–1965.30).

What is the TTM average P/E ratio for Arm Holdings plc American Depositary Shares (ARM)?

The TTM average P/E ratio for ARM stock is 229.28.

What is the 3Y average P/E ratio for Arm Holdings plc American Depositary Shares (ARM)?

The 3Y average P/E ratio for ARM stock is 266.15.

Showing the most recent 260 of 746 data points. The chart above shows the full history.

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