EXAS vs. DXCM

Last updated Apr 1, 2026

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

Performance

EXAS vs. DXCM - Performance Comparison

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

EXAS vs. DXCM - Yearly Performance Comparison

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

Fundamentals

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

Returns By Period

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

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%

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%

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

Return for Risk

EXAS vs. DXCM — Risk / Return Rank

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

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

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

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.

EXAS vs. DXCM - Risk-Adjusted Trends Comparison

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

	EXAS	DXCM	Difference
Sharpe ratio Return per unit of total volatility	2.80	-0.18	+2.98
Sortino ratio Return per unit of downside risk	4.37	0.04	+4.33
Omega ratio Gain probability vs. loss probability	1.64	1.01	+0.63
Calmar ratio Return relative to maximum drawdown	4.40	-0.19	+4.58
Martin ratio Return relative to average drawdown	15.32	-0.38	+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.

EXAS vs. DXCM - Sharpe Ratio Comparison

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

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

Correlation

The correlation between EXAS and DXCM 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

EXAS vs. DXCM - Dividend Comparison

Neither EXAS nor DXCM has paid dividends to shareholders.

Tickers have no history of dividend payments

Drawdowns

EXAS vs. DXCM - Drawdown Comparison

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

Drawdown Indicators

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

Volatility

EXAS vs. DXCM - Volatility Comparison

The current volatility for Exact Sciences Corporation (EXAS) is 1.18%, while DexCom, Inc. (DXCM) has a volatility of 9.22%. This indicates that EXAS experiences smaller price fluctuations and is considered to be less risky than DXCM based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

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

Financials

EXAS vs. DXCM - Profitability Comparison

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

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 - 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 - 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 - 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 - 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%.

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%.