PE Ratio: 73.76

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 73.76 is in line with its 5-year average of 67.09, around the middle of its 5-year range (12.38–131.20).

As of 2026-09-09T20:00:01.000Z. 15.02% above its 12-month average of 64.13.

PE Ratio (73.76) = Close Price ($1203.75) / Diluted TTM EPS ($16.32)

MPWR PE Ratio Metrics

P/E vs. its own history

At 73.8, P/E is above its 20-year median — higher than 68% 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 Monolithic Power Systems, Inc. (MPWR)?

The P/E ratio for MPWR stock is 73.76.

Is Monolithic Power Systems, Inc.'s P/E ratio high or low?

The P/E ratio of 73.76 is in line with its 5-year average of 67.09, around the middle of its 5-year range (12.38–131.20).

What is the TTM average P/E ratio for Monolithic Power Systems, Inc. (MPWR)?

The TTM average P/E ratio for MPWR stock is 64.13.

What is the 3Y average P/E ratio for Monolithic Power Systems, Inc. (MPWR)?

The 3Y average P/E ratio for MPWR stock is 63.20.

What is the 5Y average P/E ratio for Monolithic Power Systems, Inc. (MPWR)?

The 5Y average P/E ratio for MPWR stock is 67.09.

What is the 10Y average P/E ratio for Monolithic Power Systems, Inc. (MPWR)?

The 10Y average P/E ratio for MPWR stock is 73.59.

What is the 15Y average P/E ratio for Monolithic Power Systems, Inc. (MPWR)?

The 15Y average P/E ratio for MPWR stock is 67.60.

What is the 20Y average P/E ratio for Monolithic Power Systems, Inc. (MPWR)?

The 20Y average P/E ratio for MPWR stock is 60.72.

Showing the most recent 260 of 4,782 data points. The chart above shows the full history.

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