Quest Diagnostics Incorporated (DGX)

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

Quest Diagnostics Incorporated (DGX) has returned 13.45% so far this year and 17.98% over the past 12 months. Over the last decade, DGX has posted an annualized return of 12.67%, slightly higher than the S&P 500 Index benchmark’s 12.16%.

Based on dividend-adjusted daily data since Dec 26, 1996, DGX's average daily return is +0.08%, while the average monthly return is +1.56%. At this rate, your investment would double in approximately 3.7 years.

Historically, 59% of months were positive and 41% were negative. The best month was Apr 2000 with a return of +46.4%, while the worst month was Jul 2002 at -29.8%. The longest winning streak lasted 11 consecutive months, and the longest losing streak was 5 months.

On a daily basis, DGX closed higher 51% of trading days. The best single day was Jul 11, 2000 with a return of +14.8%, while the worst single day was Jan 4, 2001 at -18.3%.

Quest Diagnostics Incorporated has an annualized alpha of 14.25%, beta of 0.62, and R² of 0.16 versus S&P 500 Index. Calculated based on daily prices since December 27, 1996.

• This stock participates in less of S&P 500 Index's moves in both directions, but captures a larger share of gains (75.07%) than losses (32.60%) — typical of diversified or defensive assets.
• Beta of 0.62 may look defensive, but with R² of 0.16 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 0.16 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.

DGX ranks 68 for risk / return — better than 68% 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 Quest Diagnostics Incorporated (DGX) and compare them to a chosen benchmark (S&P 500 Index).

Quest Diagnostics Incorporated provided a 1.63% dividend yield over the last twelve months, with an annual payout of $3.20 per share. The company has been increasing its dividends for 21 consecutive years.

The table displays the monthly dividend distributions for Quest Diagnostics Incorporated. The dividends shown in the table have been adjusted to account for any splits that may have occurred.

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 Quest Diagnostics Incorporated. 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 Quest Diagnostics Incorporated was 49.46%, occurring on Feb 14, 2003. Recovery took 452 trading sessions.

The current Quest Diagnostics Incorporated drawdown is 7.52%.

The chart below shows the rolling one-month volatility.

The chart below illustrates the trends in the financial health of Quest Diagnostics Incorporated 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 Quest Diagnostics Incorporated 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.