What If You Invested $1,000 in Quest Diagnostics (DGX)?
Enter any amount and start date. We use historical prices to show your hypothetical return.
Quest Diagnostics
DGX
Historical extremes
Maximum profit (buy at all-time low, sell at peak), maximum drawdown (peak to trough), and total return from IPO to current price.
Max profit
+8405.10% (85.1 times)
- Buy
- Dec 17, 1996
- $2.49
- Sell
- Feb 27, 2026
- $211.91
Buying DGX at the all-time low and selling at the peak would have turned $1,000 into $85,051.05.
Max drawdown
-49.46% (fell to 51% of peak)
- Peak
- May 3, 2002
- $33.78
- Trough
- Feb 14, 2003
- $17.07
The worst decline for DGX was -49.46% (fell to 51% of peak) from peak to trough.
IPO to current
+7884.55% (79.8 times)
- IPO
- Dec 17, 1996
- $2.49
- Current
- Mar 16, 2026
- $198.94
A $1,000 investment in DGX at IPO would be worth $79,845.48 today.
Dollar amounts based on selected investment ($1,000)
Frequently asked questions
What is Quest Diagnostics (DGX) stock's all-time high and all-time low?
- Quest Diagnostics (DGX) stock's all-time low was $2.49 on Dec 17, 1996. The all-time high was $211.91 on Feb 27, 2026.
What if you invested $1,000 in Quest Diagnostics (DGX) stock at the all-time low?
- Buying Quest Diagnostics (DGX) stock at the all-time low ($2.49 on Dec 17, 1996) and selling at the peak ($211.91 on Feb 27, 2026) would have turned $1,000 into $85,051.05. Historical return: +8405.10% (85.1 times).
What are Quest Diagnostics (DGX)'s best buy and sell dates for maximum profit?
- The best buy date for Quest Diagnostics (DGX) stock was Dec 17, 1996 (all-time low at $2.49). The best sell date was Feb 27, 2026 at $211.91. This investment would have returned +8405.10% (85.1 times).
What was Quest Diagnostics (DGX) stock's maximum drawdown?
- Quest Diagnostics (DGX) stock's worst decline was -49.46% (fell to 51% of peak) from peak to trough. Peak: $33.78 on May 3, 2002. Trough: $17.07 on Feb 14, 2003. A $1,000 investment at the peak would have been worth $505.43 at the trough.
What if you bought Quest Diagnostics (DGX) stock at IPO?
- A $1,000 investment in Quest Diagnostics (DGX) stock at IPO ($2.49 on Dec 17, 1996) would be worth $79,845.48 today. Historical return: +7884.55% (79.8 times). Current stock price: $198.94 as of Mar 16, 2026.
What if you invested $1,000 in Quest Diagnostics (DGX) 5 years ago?
- A $1,000 investment in Quest Diagnostics (DGX) stock 5 years ago ($111.2 on Mar 16, 2021) would be worth $1,788.98 today. Historical return: +78.90% (1.79 times). Current stock price: $198.94 as of Mar 16, 2026.
What if you invested $1,000 in Quest Diagnostics (DGX) 10 years ago?
- A $1,000 investment in Quest Diagnostics (DGX) stock 10 years ago ($57.06 on Mar 16, 2016) would be worth $3,486.37 today. Historical return: +248.64% (3.49 times). Current stock price: $198.94 as of Mar 16, 2026.
What if you invested $1,000 in Quest Diagnostics (DGX) 20 years ago?
- A $1,000 investment in Quest Diagnostics (DGX) stock 20 years ago ($37.57 on Mar 16, 2006) would be worth $5,295.59 today. Historical return: +429.56% (5.30 times). Current stock price: $198.94 as of Mar 16, 2026.
About this data
- How does the investment calculator work?
- Enter an investment amount and a start date. We use historical stock prices to calculate how many shares you would have bought, then apply the current price to show your hypothetical portfolio value and return.
- What are Historical extremes?
- Max profit: buy at all-time low, sell at the highest price after. Max drawdown: the largest peak-to-trough decline in price. IPO to current: total return from IPO date to the latest price.
- What is Max drawdown?
- Maximum drawdown is the largest peak-to-trough decline in price. It shows the worst drop from any prior high to a subsequent low. Peak and Trough are the dates and prices at which this decline occurred.
- Does this include dividends?
- The calculator uses adjusted closing prices when available, which account for stock splits and dividends. For the most accurate results, we recommend using data that includes dividend adjustments.
- Where does the price data come from?
- Historical prices are from Yahoo Finance, adjusted for stock splits and dividends. We use adjusted close for all calculations.
- How are the dollar amounts in the cards calculated?
- The dollar amounts in Historical extremes use the investment amount you select in the calculator above (e.g. $1,000). They show what your investment would have been worth at the Buy/Peak/IPO date versus the Sell/Trough/Current date.
- What date range can I use?
- The available date range depends on our historical price data for DGX. You can select any date between our first and most recent data point.