Quest Diagnostics (DGX) returns
Quest Diagnostics returns over 10 years
$1,000 invested in Quest Diagnostics ten years ago was worth $3,809 at the close on October 30, 2026, with dividends reinvested: an average return of 14.3% a year. The same $1,000 in the S&P 500 (SPY) became $4,166.
Total return by period
| Period | Total return | A year, on average | $1,000 became | S&P 500 (SPY) |
|---|---|---|---|---|
| 1 month | +8.5% | — | $1,085 | -0.9% |
| 3 months | +7.9% | — | $1,079 | +2.1% |
| Year to date | +47.5% | — | $1,475 | +11.7% |
| 1 year | +45.7% | — | $1,457 | +12.4% |
| 3 years | +106.0% | +27.2% | $2,060 | +88.5% |
| 5 years | +89.0% | +13.6% | $1,890 | +76.0% |
| 10 years | +280.9% | +14.3% | $3,809 | +316.6% |
Quest Diagnostics return by calendar year
| Year | DGX | S&P 500 (SPY) | Difference |
|---|---|---|---|
| 2026 to date | +47.5% | +11.7% | +35.9% |
| 2025 | +17.2% | +17.7% | -0.5% |
| 2024 | +11.8% | +24.9% | -13.1% |
| 2023 | -10.1% | +26.2% | -36.3% |
| 2022 | -7.8% | -18.2% | +10.4% |
| 2021 | +47.9% | +28.7% | +19.1% |
| 2020 | +14.0% | +18.4% | -4.3% |
| 2019 | +31.1% | +31.2% | -0.1% |
| 2018 | -13.8% | -4.6% | -9.3% |
| 2017 | +9.2% | +21.7% | -12.5% |
| 2016 | +31.9% | +12.0% | +19.9% |
Past returns do not predict future returns. Returns are computed from our daily closes, adjusted for splits and with dividends reinvested on their ex-dates; taxes and trading costs are left out.
See also: DGX financials · DGX valuation
No forecast, no recommendation. This page describes Quest Diagnostics from published data; it is not advice to buy, sell or hold any security.
Figures as of the close on Oct 30, 2026 unless a row says otherwise. Prices are split adjusted; returns include dividends reinvested. Data may be delayed. See the disclaimer and how TrendArc works.