DXCM vs. EXAS

Last updated Apr 1, 2026

Compare and contrast key facts about DexCom, Inc. (DXCM) and Exact Sciences Corporation (EXAS).

Performance

DXCM vs. EXAS - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in DexCom, Inc. (DXCM) and Exact Sciences Corporation (EXAS). The values are adjusted to include any dividend payments, if applicable.

DXCM vs. EXAS - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
DXCM DexCom, Inc.	-5.38%	-14.66%	-37.33%	9.58%	-15.64%	45.23%	69.02%	82.59%	108.75%	-3.87%
EXAS Exact Sciences Corporation	3.30%	80.74%	-24.05%	49.42%	-36.39%	-41.26%	43.26%	46.56%	20.10%	293.26%

Fundamentals

Market Cap DXCM : $25.05B EXAS : $19.91B
EPS DXCM : $2.07 EXAS : -$1.10
PS Ratio DXCM : 5.45 EXAS : 6.12
PB Ratio DXCM : 9.12 EXAS : 8.29
Total Revenue (TTM) DXCM : $4.66B EXAS : $3.25B
Gross Profit (TTM) DXCM : $2.80B EXAS : $2.26B
EBITDA (TTM) DXCM : $1.34B EXAS : $42.61M

Returns By Period

In the year-to-date period, DXCM achieves a -5.38% return, which is significantly lower than EXAS's 3.30% return. Over the past 10 years, DXCM has underperformed EXAS with an annualized return of 14.02%, while EXAS has yielded a comparatively higher 32.78% annualized return.

DXCM

• 1D: 1.45%
• 1M: -14.48%
• YTD: -5.38%
• 6M: -6.67%
• 1Y: -8.04%
• 3Y*: -18.54%
• 5Y*: -7.23%
• 10Y*: 14.02%

EXAS

• 1D: 0.00%
• 1M: 1.48%
• YTD: 3.30%
• 6M: 91.76%
• 1Y: 142.34%
• 3Y*: 16.54%
• 5Y*: -3.61%
• 10Y*: 32.78%

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

Return for Risk

DXCM vs. EXAS — Risk / Return Rank

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

DXCM

DXCM Risk / Return Rank: 34
DXCM Sharpe Ratio Rank: 34
DXCM Sortino Ratio Rank: 31
DXCM Omega Ratio Rank: 32
DXCM Calmar Ratio Rank: 37
DXCM Martin Ratio Rank: 37

EXAS

EXAS Risk / Return Rank: 96
EXAS Sharpe Ratio Rank: 96
EXAS Sortino Ratio Rank: 98
EXAS Omega Ratio Rank: 97
EXAS Calmar Ratio Rank: 92
EXAS Martin Ratio Rank: 95

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.

DXCM vs. EXAS - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for DexCom, Inc. (DXCM) and Exact Sciences Corporation (EXAS). 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.

	DXCM	EXAS	Difference
Sharpe ratio Return per unit of total volatility	-0.18	2.80	-2.98
Sortino ratio Return per unit of downside risk	0.04	4.37	-4.33
Omega ratio Gain probability vs. loss probability	1.01	1.64	-0.63
Calmar ratio Return relative to maximum drawdown	-0.19	4.40	-4.58
Martin ratio Return relative to average drawdown	-0.38	15.32	-15.70
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

DXCM vs. EXAS - Sharpe Ratio Comparison

The current DXCM Sharpe Ratio is -0.18, which is lower than the EXAS Sharpe Ratio of 2.80. The chart below compares the historical Sharpe Ratios of DXCM and EXAS, 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

	DXCM	EXAS	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	-0.18	2.80	-2.98
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	-0.16	-0.07	-0.09
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.29	0.55	-0.26
Sharpe Ratio (All Time) Calculated using the full available price history	0.29	0.11	+0.17

Correlation

The correlation between DXCM and EXAS 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

DXCM vs. EXAS - Dividend Comparison

Neither DXCM nor EXAS has paid dividends to shareholders.

Tickers have no history of dividend payments

Drawdowns

DXCM vs. EXAS - Drawdown Comparison

The maximum DXCM drawdown since its inception was -94.61%, roughly equal to the maximum EXAS drawdown of -98.01%. Use the drawdown chart below to compare losses from any high point for DXCM and EXAS.

Drawdown Indicators

	DXCM	EXAS	Difference
Max Drawdown Largest peak-to-trough decline	-94.61%	-98.01%	+3.40%
Max Drawdown (1Y) Largest decline over 1 year	-38.75%	-29.56%	-9.19%
Max Drawdown (5Y) Largest decline over 5 years	-66.32%	-78.21%	+11.89%
Max Drawdown (10Y) Largest decline over 10 years	-66.32%	-80.42%	+14.10%
Current Drawdown Current decline from peak	-61.43%	-32.32%	-29.11%
Average Drawdown Average peak-to-trough decline	-35.79%	-49.80%	+14.01%
Ulcer Index Depth and duration of drawdowns from previous peaks	19.27%	8.48%	+10.79%

Volatility

DXCM vs. EXAS - Volatility Comparison

DexCom, Inc. (DXCM) has a higher volatility of 9.22% compared to Exact Sciences Corporation (EXAS) at 1.18%. This indicates that DXCM's price experiences larger fluctuations and is considered to be riskier than EXAS based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	DXCM	EXAS	Difference
Volatility (1M) Calculated over the trailing 1-month period	9.22%	1.18%	+8.04%
Volatility (6M) Calculated over the trailing 6-month period	27.63%	28.31%	-0.68%
Volatility (1Y) Calculated over the trailing 1-year period	43.67%	44.22%	-0.55%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	46.76%	54.53%	-7.77%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	48.31%	59.98%	-11.67%

Financials

DXCM vs. EXAS - Profitability Comparison

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

DXCM - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Apr 2026, DexCom, Inc. reported a gross profit of 792.70M and revenue of 1.26B. Therefore, the gross margin over that period was 62.9%.

EXAS - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Apr 2026, Exact Sciences Corporation reported a gross profit of 615.83M and revenue of 878.38M. Therefore, the gross margin over that period was 70.1%.

DXCM - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Apr 2026, DexCom, Inc. reported an operating income of 323.00M and revenue of 1.26B, resulting in an operating margin of 25.6%.

EXAS - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Apr 2026, Exact Sciences Corporation reported an operating income of -76.68M and revenue of 878.38M, resulting in an operating margin of -8.7%.

DXCM - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Apr 2026, DexCom, Inc. reported a net income of 267.30M and revenue of 1.26B, resulting in a net margin of 21.2%.

EXAS - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Apr 2026, Exact Sciences Corporation reported a net income of -85.96M and revenue of 878.38M, resulting in a net margin of -9.8%.