Bio-Rad Laboratories, Inc. (BIO)

Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.

The chart shows the growth of an initial investment of $10,000 in Bio-Rad 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.

Bio-Rad Laboratories, Inc. (BIO) has returned -8.00% so far this year and 14.45% over the past 12 months. Over the last ten years, BIO has returned 7.17% per year, falling short of the S&P 500 Index benchmark, which averaged 12.16% annually.

Based on dividend-adjusted daily data since Feb 27, 1980, BIO's average daily return is +0.06%, while the average monthly return is +1.33%. At this rate, your investment would double in approximately 4.4 years.

Historically, 55% of months were positive and 45% were negative. The best month was Sep 1980 with a return of +46.5%, while the worst month was Mar 1980 at -66.2%. The longest winning streak lasted 9 consecutive months, and the longest losing streak was 6 months.

On a daily basis, BIO closed higher 45% of trading days. The best single day was Oct 21, 1987 with a return of +21.1%, while the worst single day was Mar 18, 1980 at -50.0%.

Bio-Rad Laboratories, Inc. has an annualized alpha of 7.83%, beta of 0.69, and R² of 0.13 versus S&P 500 Index. Calculated based on daily prices since February 28, 1980.

• Beta of 0.69 may look defensive, but with R² of 0.13 this stock is largely uncorrelated with S&P 500 Index — low beta reflects independence, not downside protection. See the Volatility section for a true picture of this stock's risk.
• R² of 0.13 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.

BIO ranks 52 for risk / return — on par with similar stocks. You're getting a typical balance of risk and reward. Not a standout, but not a red flag either — a reasonable choice if other factors align with your goals.

The table below present risk-adjusted performance metrics for Bio-Rad Laboratories, Inc. (BIO) 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 Bio-Rad 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 Bio-Rad Laboratories, Inc. was 83.64%, occurring on Aug 19, 1982. Recovery took 906 trading sessions.

The current Bio-Rad Laboratories, Inc. drawdown is 66.24%.

The chart below shows the rolling one-month volatility.

The chart below illustrates the trends in the financial health of Bio-Rad 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 Bio-Rad Laboratories, Inc. is priced in the market compared to other companies in the Medical Devices industry. It includes key financial ratios that help investors assess whether the stock is undervalued or overvalued.