RDNT vs. DGX

Last updated Apr 2, 2026

Compare and contrast key facts about RadNet, Inc. (RDNT) and Quest Diagnostics Incorporated (DGX).

Performance

RDNT vs. DGX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in RadNet, Inc. (RDNT) and Quest Diagnostics Incorporated (DGX). The values are adjusted to include any dividend payments, if applicable.

RDNT vs. DGX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
RDNT RadNet, Inc.	-22.48%	2.16%	100.86%	84.65%	-37.46%	53.86%	-3.60%	99.61%	0.69%	56.59%
DGX Quest Diagnostics Incorporated	14.44%	17.20%	11.77%	-10.05%	-7.80%	47.86%	14.11%	31.13%	-13.84%	9.16%

Fundamentals

Market Cap RDNT : $4.16B DGX : $22.14B
EPS RDNT : $0.63 DGX : $8.80
PE Ratio RDNT : 88.28 DGX : 22.45
PS Ratio RDNT : 2.02 DGX : 2.02
PB Ratio RDNT : 3.82 DGX : 3.09
Total Revenue (TTM) RDNT : $2.04B DGX : $11.04B
Gross Profit (TTM) RDNT : $228.54M DGX : $3.67B
EBITDA (TTM) RDNT : $253.95M DGX : $2.02B

Returns By Period

In the year-to-date period, RDNT achieves a -22.48% return, which is significantly lower than DGX's 14.44% return. Over the past 10 years, RDNT has outperformed DGX with an annualized return of 27.48%, while DGX has yielded a comparatively lower 12.77% annualized return.

RDNT

• 1D: -1.04%
• 1M: -26.47%
• YTD: -22.48%
• 6M: -29.08%
• 1Y: 9.27%
• 3Y*: 30.25%
• 5Y*: 20.23%
• 10Y*: 27.48%

DGX

• 1D: 0.87%
• 1M: -5.97%
• YTD: 14.44%
• 6M: 9.56%
• 1Y: 18.95%
• 3Y*: 14.07%
• 5Y*: 11.00%
• 10Y*: 12.77%

*Multi-year figures are annualized to reflect compound growth (CAGR)

Return for Risk

RDNT vs. DGX — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

RDNT

RDNT Risk / Return Rank: 47
RDNT Sharpe Ratio Rank: 48
RDNT Sortino Ratio Rank: 45
RDNT Omega Ratio Rank: 42
RDNT Calmar Ratio Rank: 48
RDNT Martin Ratio Rank: 51

DGX

DGX Risk / Return Rank: 69
DGX Sharpe Ratio Rank: 68
DGX Sortino Ratio Rank: 64
DGX Omega Ratio Rank: 61
DGX Calmar Ratio Rank: 75
DGX Martin Ratio Rank: 73

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

RDNT vs. DGX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for RadNet, Inc. (RDNT) and Quest Diagnostics Incorporated (DGX). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.

	RDNT	DGX	Difference
Sharpe ratio Return per unit of total volatility	0.21	0.81	-0.60
Sortino ratio Return per unit of downside risk	0.66	1.38	-0.72
Omega ratio Gain probability vs. loss probability	1.08	1.17	-0.09
Calmar ratio Return relative to maximum drawdown	0.33	1.94	-1.61
Martin ratio Return relative to average drawdown	0.96	4.31	-3.35
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

RDNT vs. DGX - Sharpe Ratio Comparison

The current RDNT Sharpe Ratio is 0.21, which is lower than the DGX Sharpe Ratio of 0.81. The chart below compares the historical Sharpe Ratios of RDNT and DGX, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	RDNT	DGX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.21	0.81	-0.60
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.45	0.51	-0.06
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.57	0.54	+0.03
Sharpe Ratio (All Time) Calculated using the full available price history	0.19	0.53	-0.35

Correlation

The correlation between RDNT and DGX is 0.14, which is considered to be low. This implies their price changes are not closely related. A low correlation is generally favorable for portfolio diversification, as it helps to reduce overall risk by spreading it across multiple assets with different performance patterns.

Dividends

RDNT vs. DGX - Dividend Comparison

RDNT has not paid dividends to shareholders, while DGX's dividend yield for the trailing twelve months is around 1.62%.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
RDNT RadNet, Inc.	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
DGX Quest Diagnostics Incorporated	1.62%	1.82%	1.96%	2.02%	1.66%	1.40%	1.85%	1.99%	2.34%	1.83%	1.72%	2.07%

Drawdowns

RDNT vs. DGX - Drawdown Comparison

The maximum RDNT drawdown since its inception was -92.15%, which is greater than DGX's maximum drawdown of -49.46%. Use the drawdown chart below to compare losses from any high point for RDNT and DGX.

Drawdown Indicators

	RDNT	DGX	Difference
Max Drawdown Largest peak-to-trough decline	-92.15%	-49.46%	-42.69%
Max Drawdown (1Y) Largest decline over 1 year	-34.53%	-9.81%	-24.72%
Max Drawdown (5Y) Largest decline over 5 years	-60.24%	-28.62%	-31.62%
Max Drawdown (10Y) Largest decline over 10 years	-73.43%	-36.60%	-36.83%
Current Drawdown Current decline from peak	-35.97%	-6.71%	-29.26%
Average Drawdown Average peak-to-trough decline	-44.13%	-11.92%	-32.21%
Ulcer Index Depth and duration of drawdowns from previous peaks	11.76%	4.41%	+7.35%

Volatility

RDNT vs. DGX - Volatility Comparison

RadNet, Inc. (RDNT) has a higher volatility of 14.73% compared to Quest Diagnostics Incorporated (DGX) at 4.48%. This indicates that RDNT's price experiences larger fluctuations and is considered to be riskier than DGX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	RDNT	DGX	Difference
Volatility (1M) Calculated over the trailing 1-month period	14.73%	4.48%	+10.25%
Volatility (6M) Calculated over the trailing 6-month period	31.38%	16.61%	+14.77%
Volatility (1Y) Calculated over the trailing 1-year period	44.79%	23.52%	+21.27%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	44.94%	21.65%	+23.29%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	48.19%	23.63%	+24.56%

Financials

RDNT vs. DGX - Profitability Comparison

The chart below illustrates the profitability comparison between RadNet, Inc. and Quest Diagnostics Incorporated over time, highlighting three key metrics: Gross Profit Margin, Operating Margin, and Net Profit Margin.

RDNT - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Apr 2026, RadNet, Inc. reported a gross profit of 68.99M and revenue of 547.71M. Therefore, the gross margin over that period was 12.6%.

DGX - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Apr 2026, Quest Diagnostics Incorporated reported a gross profit of 910.00M and revenue of 2.81B. Therefore, the gross margin over that period was 32.4%.

RDNT - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Apr 2026, RadNet, Inc. reported an operating income of 27.83M and revenue of 547.71M, resulting in an operating margin of 5.1%.

DGX - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Apr 2026, Quest Diagnostics Incorporated reported an operating income of 386.00M and revenue of 2.81B, resulting in an operating margin of 13.8%.

RDNT - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Apr 2026, RadNet, Inc. reported a net income of 64.83M and revenue of 547.71M, resulting in a net margin of 11.8%.

DGX - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Apr 2026, Quest Diagnostics Incorporated reported a net income of 245.00M and revenue of 2.81B, resulting in a net margin of 8.7%.