PE Ratio: 25.16

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 25.16 is 57% below its 5-year average of 57.87, near the low end of its 5-year range (20.83–178.48).

As of 2026-10-06T17:06:48.752Z. 19.53% below its 12-month average of 31.27.

PE Ratio (25.16) = Close Price ($7.11) / Diluted TTM EPS ($0.28)

ERII PE Ratio Metrics

P/E vs. its own history

At 25.2, P/E is below its 18-year median — higher than 14% of readings in its 18-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 Energy Recovery, Inc. (ERII)?

The P/E ratio for ERII stock is 25.16.

Is Energy Recovery, Inc.'s P/E ratio high or low?

The P/E ratio of 25.16 is 57% below its 5-year average of 57.87, near the low end of its 5-year range (20.83–178.48).

What is the TTM average P/E ratio for Energy Recovery, Inc. (ERII)?

The TTM average P/E ratio for ERII stock is 31.27.

What is the 3Y average P/E ratio for Energy Recovery, Inc. (ERII)?

The 3Y average P/E ratio for ERII stock is 37.97.

What is the 5Y average P/E ratio for Energy Recovery, Inc. (ERII)?

The 5Y average P/E ratio for ERII stock is 57.87.

What is the 10Y average P/E ratio for Energy Recovery, Inc. (ERII)?

The 10Y average P/E ratio for ERII stock is 48.27.

What is the 15Y average P/E ratio for Energy Recovery, Inc. (ERII)?

The 15Y average P/E ratio for ERII stock is 48.27.

What is the 20Y average P/E ratio for Energy Recovery, Inc. (ERII)?

The 20Y average P/E ratio for ERII stock is 51.70.

Showing the most recent 260 of 2,999 data points. The chart above shows the full history.

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