IDEXX Laboratories, Inc. (IDXX)

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The chart shows the growth of an initial investment of $10,000 in IDEXX Laboratories, Inc., comparing it to the performance of the S&P 500 index or another benchmark. All prices have been adjusted for splits and dividends.

IDEXX Laboratories, Inc. (IDXX) has returned -16.95% so far this year and 33.80% over the past 12 months. Looking at the last ten years, IDXX has achieved an annualized return of 21.62%, outperforming the S&P 500 Index benchmark, which averaged 12.16% per year.

Based on dividend-adjusted daily data since Jun 24, 1991, IDXX's average daily return is +0.11%, while the average monthly return is +2.15%. At this rate, your investment would double in approximately 2.7 years.

Historically, 59% of months were positive and 41% were negative. The best month was Feb 2000 with a return of +96.3%, while the worst month was Mar 1997 at -62.4%. The longest winning streak lasted 12 consecutive months, and the longest losing streak was 5 months.

On a daily basis, IDXX closed higher 51% of trading days. The best single day was Aug 4, 2025 with a return of +27.5%, while the worst single day was Mar 24, 1997 at -62.5%.

IDEXX Laboratories, Inc. has an annualized alpha of 20.01%, beta of 0.85, and R² of 0.15 versus S&P 500 Index. Calculated based on daily prices since June 25, 1991.

• This stock captured 122.08% of S&P 500 Index gains but only 68.40% of its losses — a favorable profile for investors.
• R² of 0.15 means this stock moves largely independently of S&P 500 Index — capture ratios reflect limited market correlation rather than active downside protection. Consider using a more representative benchmark.

IDXX ranks 70 for risk / return — better than 70% of stocks on our site. You're getting solid returns for the risk taken. A good sign, especially for investors who want growth without excessive volatility.

The table below present risk-adjusted performance metrics for IDEXX Laboratories, Inc. (IDXX) and compare them to a chosen benchmark (S&P 500 Index).

The Drawdowns chart displays portfolio losses from any high point along the way. Drawdowns are calculated considering price movements and all distributions paid, if any.

The table below displays the maximum drawdowns of the IDEXX Laboratories, Inc.. A maximum drawdown is a measure of risk, indicating the largest reduction in portfolio value due to a series of losing trades.

The maximum drawdown for the IDEXX Laboratories, Inc. was 81.42%, occurring on Apr 18, 1997. Recovery took 1735 trading sessions.

The current IDEXX Laboratories, Inc. drawdown is 26.71%.

The chart below shows the rolling one-month volatility.

The chart below illustrates the trends in the financial health of IDEXX Laboratories, Inc. over time, highlighting three key metrics: Total Revenue, Earnings Before Interest and Taxes (EBIT), and Net Income.

The Valuation section provides an overview of how IDEXX Laboratories, Inc. is priced in the market compared to other companies in the Diagnostics & Research industry. It includes key financial ratios that help investors assess whether the stock is undervalued or overvalued.