PE Ratio: 41.60

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 41.60 is 45% above its 5-year average of 28.72, near the low end of its 5-year range (6.74–1106.18).

As of 2026-09-26T00:15:56.356Z. 20.39% below its 12-month average of 52.25.

PE Ratio (41.60) = Close Price ($260.82) / Diluted TTM EPS ($6.27)

MKSI PE Ratio Metrics

P/E vs. its own history

At 41.6, P/E is above its 20-year median — higher than 87% 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 MKS Inc. (MKSI)?

The P/E ratio for MKSI stock is 41.60.

Is MKS Inc.'s P/E ratio high or low?

The P/E ratio of 41.60 is 45% above its 5-year average of 28.72, near the low end of its 5-year range (6.74–1106.18).

What is the TTM average P/E ratio for MKS Inc. (MKSI)?

The TTM average P/E ratio for MKSI stock is 52.25.

What is the 3Y average P/E ratio for MKS Inc. (MKSI)?

The 3Y average P/E ratio for MKSI stock is 75.37.

What is the 5Y average P/E ratio for MKS Inc. (MKSI)?

The 5Y average P/E ratio for MKSI stock is 28.72.

What is the 10Y average P/E ratio for MKS Inc. (MKSI)?

The 10Y average P/E ratio for MKSI stock is 24.89.

What is the 15Y average P/E ratio for MKS Inc. (MKSI)?

The 15Y average P/E ratio for MKSI stock is 23.14.

What is the 20Y average P/E ratio for MKS Inc. (MKSI)?

The 20Y average P/E ratio for MKSI stock is 20.61.

Showing the most recent 260 of 4,464 data points. The chart above shows the full history.

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