PE Ratio: 40.38

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 40.38 is 95% above its 5-year average of 20.74, around the middle of its 5-year range (11.89–75.81).

As of 2026-09-12T00:15:35.971Z. 56.39% above its 12-month average of 25.82.

PE Ratio (40.38) = Close Price ($350.13) / Diluted TTM EPS ($8.67)

IDCC PE Ratio Metrics

P/E vs. its own history

At 40.4, P/E is above its 20-year median — higher than 80% 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 InterDigital, Inc. (IDCC)?

The P/E ratio for IDCC stock is 40.38.

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

The P/E ratio of 40.38 is 95% above its 5-year average of 20.74, around the middle of its 5-year range (11.89–75.81).

What is the TTM average P/E ratio for InterDigital, Inc. (IDCC)?

The TTM average P/E ratio for IDCC stock is 25.82.

What is the 3Y average P/E ratio for InterDigital, Inc. (IDCC)?

The 3Y average P/E ratio for IDCC stock is 19.24.

What is the 5Y average P/E ratio for InterDigital, Inc. (IDCC)?

The 5Y average P/E ratio for IDCC stock is 20.74.

What is the 10Y average P/E ratio for InterDigital, Inc. (IDCC)?

The 10Y average P/E ratio for IDCC stock is 28.48.

What is the 15Y average P/E ratio for InterDigital, Inc. (IDCC)?

The 15Y average P/E ratio for IDCC stock is 20.57.

What is the 20Y average P/E ratio for InterDigital, Inc. (IDCC)?

The 20Y average P/E ratio for IDCC stock is 21.19.

Showing the most recent 260 of 5,031 data points. The chart above shows the full history.

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