DexCom, Inc. (DXCM)

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

DexCom, Inc. (DXCM) has returned -5.38% so far this year and -8.04% over the past 12 months. Looking at the last ten years, DXCM has achieved an annualized return of 14.02%, outperforming the S&P 500 Index benchmark, which averaged 12.16% per year.

Based on dividend-adjusted daily data since Apr 14, 2005, DXCM's average daily return is +0.12%, while the average monthly return is +2.43%. At this rate, your investment would double in approximately 2.4 years.

Historically, 55% of months were positive and 45% were negative. The best month was Apr 2008 with a return of +86.0%, while the worst month was Nov 2008 at -55.8%. The longest winning streak lasted 11 consecutive months, and the longest losing streak was 7 months.

On a daily basis, DXCM closed higher 51% of trading days. The best single day was Dec 4, 2008 with a return of +50.3%, while the worst single day was Jul 26, 2024 at -40.7%.

DexCom, Inc. has an annualized alpha of 19.60%, beta of 1.15, and R² of 0.16 versus S&P 500 Index. Calculated based on daily prices since April 15, 2005.

• This stock captured 137.39% of S&P 500 Index gains and 103.79% of its losses — amplifying both gains and losses, but participating more in upside than downside.
• R² of 0.16 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.

DXCM ranks 32 for risk / return — below 32% of stocks on our site. The returns aren't fully compensating for the risk involved. This isn't necessarily a dealbreaker, but factor it into your decision — especially if you're risk-averse.

The table below present risk-adjusted performance metrics for DexCom, Inc. (DXCM) 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 DexCom, 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 DexCom, Inc. was 94.61%, occurring on Nov 20, 2008. Recovery took 1185 trading sessions.

The current DexCom, Inc. drawdown is 61.43%.

The chart below shows the rolling one-month volatility.

The chart below illustrates the trends in the financial health of DexCom, 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 DexCom, 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.