GKOS vs. RDNT

Last updated Apr 2, 2026

Compare and contrast key facts about Glaukos Corporation (GKOS) and RadNet, Inc. (RDNT).

Performance

GKOS vs. RDNT - Performance Comparison

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

GKOS vs. RDNT - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
GKOS Glaukos Corporation	-0.24%	-24.70%	88.63%	81.98%	-1.71%	-40.95%	38.17%	-3.03%	118.99%	-25.22%
RDNT RadNet, Inc.	-22.48%	2.16%	100.86%	84.65%	-37.46%	53.86%	-3.60%	99.61%	0.69%	56.59%

Fundamentals

Market Cap GKOS : $6.48B RDNT : $4.16B
EPS GKOS : -$3.28 RDNT : $0.63
PS Ratio GKOS : 12.69 RDNT : 2.02
PB Ratio GKOS : 9.87 RDNT : 3.82
Total Revenue (TTM) GKOS : $507.44M RDNT : $2.04B
Gross Profit (TTM) GKOS : $282.76M RDNT : $228.54M
EBITDA (TTM) GKOS : -$156.42M RDNT : $253.95M

Returns By Period

In the year-to-date period, GKOS achieves a -0.24% return, which is significantly higher than RDNT's -22.48% return. Over the past 10 years, GKOS has underperformed RDNT with an annualized return of 20.72%, while RDNT has yielded a comparatively higher 27.48% annualized return.

GKOS

• 1D: 4.63%
• 1M: -7.00%
• YTD: -0.24%
• 6M: 35.40%
• 1Y: 16.02%
• 3Y*: 31.00%
• 5Y*: 6.56%
• 10Y*: 20.72%

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%

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

Return for Risk

GKOS vs. RDNT — Risk / Return Rank

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

GKOS

GKOS Risk / Return Rank: 51
GKOS Sharpe Ratio Rank: 53
GKOS Sortino Ratio Rank: 50
GKOS Omega Ratio Rank: 48
GKOS Calmar Ratio Rank: 52
GKOS Martin Ratio Rank: 52

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

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.

GKOS vs. RDNT - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Glaukos Corporation (GKOS) and RadNet, Inc. (RDNT). 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.

	GKOS	RDNT	Difference
Sharpe ratio Return per unit of total volatility	0.32	0.21	+0.11
Sortino ratio Return per unit of downside risk	0.82	0.66	+0.16
Omega ratio Gain probability vs. loss probability	1.10	1.08	+0.03
Calmar ratio Return relative to maximum drawdown	0.48	0.33	+0.16
Martin ratio Return relative to average drawdown	1.11	0.96	+0.15
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

GKOS vs. RDNT - Sharpe Ratio Comparison

The current GKOS Sharpe Ratio is 0.32, which is higher than the RDNT Sharpe Ratio of 0.21. The chart below compares the historical Sharpe Ratios of GKOS and RDNT, 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

	GKOS	RDNT	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.32	0.21	+0.11
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.13	0.45	-0.32
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.40	0.57	-0.17
Sharpe Ratio (All Time) Calculated using the full available price history	0.24	0.19	+0.05

Correlation

The correlation between GKOS and RDNT is 0.29, 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

GKOS vs. RDNT - Dividend Comparison

Neither GKOS nor RDNT has paid dividends to shareholders.

Tickers have no history of dividend payments

Drawdowns

GKOS vs. RDNT - Drawdown Comparison

The maximum GKOS drawdown since its inception was -69.57%, smaller than the maximum RDNT drawdown of -92.15%. Use the drawdown chart below to compare losses from any high point for GKOS and RDNT.

Drawdown Indicators

	GKOS	RDNT	Difference
Max Drawdown Largest peak-to-trough decline	-69.57%	-92.15%	+22.58%
Max Drawdown (1Y) Largest decline over 1 year	-29.92%	-34.53%	+4.61%
Max Drawdown (5Y) Largest decline over 5 years	-64.32%	-60.24%	-4.08%
Max Drawdown (10Y) Largest decline over 10 years	-69.57%	-73.43%	+3.86%
Current Drawdown Current decline from peak	-30.13%	-35.97%	+5.84%
Average Drawdown Average peak-to-trough decline	-27.87%	-44.13%	+16.26%
Ulcer Index Depth and duration of drawdowns from previous peaks	13.05%	11.76%	+1.29%

Volatility

GKOS vs. RDNT - Volatility Comparison

Glaukos Corporation (GKOS) and RadNet, Inc. (RDNT) have volatilities of 14.02% and 14.73%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	GKOS	RDNT	Difference
Volatility (1M) Calculated over the trailing 1-month period	14.02%	14.73%	-0.71%
Volatility (6M) Calculated over the trailing 6-month period	35.47%	31.38%	+4.09%
Volatility (1Y) Calculated over the trailing 1-year period	50.28%	44.79%	+5.49%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	49.02%	44.94%	+4.08%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	52.21%	48.19%	+4.02%

Financials

GKOS vs. RDNT - Profitability Comparison

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

GKOS - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Apr 2026, Glaukos Corporation reported a gross profit of -1.52M and revenue of 143.12M. Therefore, the gross margin over that period was -1.1%.

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%.

GKOS - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Apr 2026, Glaukos Corporation reported an operating income of -139.87M and revenue of 143.12M, resulting in an operating margin of -97.7%.

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%.

GKOS - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Apr 2026, Glaukos Corporation reported a net income of -133.66M and revenue of 143.12M, resulting in a net margin of -93.4%.

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%.