DXCM vs. SPMO

Last updated Jul 17, 2026

DXCM (DexCom, Inc.) is a stock, while SPMO (Invesco S&P 500 Momentum ETF) is Momentum fund tracking the S&P 500 Momentum Index. Over the past 10 years, DXCM returned 14.84%/yr vs 20.30%/yr for SPMO. At a 0.34 correlation, their price movements are largely independent.

Performance

DXCM vs. SPMO - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in DexCom, Inc. (DXCM) and Invesco S&P 500 Momentum ETF (SPMO). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, DXCM achieves a 17.49% return, which is significantly lower than SPMO's 22.29% return. Over the past 10 years, DXCM has underperformed SPMO with an annualized return of 14.84%, while SPMO has yielded a comparatively higher 20.30% annualized return.

DXCM

• 1D: 7.22%
• 1M: 6.59%
• 6M: 12.62%
• YTD: 17.49%
• 1Y: -7.31%
• 3Y*: -17.22%
• 5Y*: -7.01%
• 10Y*: 14.84%

SPMO

• 1D: -3.15%
• 1M: -5.90%
• 6M: 21.88%
• YTD: 22.29%
• 1Y: 29.78%
• 3Y*: 39.07%
• 5Y*: 20.99%
• 10Y*: 20.30%

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

DXCM vs. SPMO - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
DXCM DexCom, Inc.	17.49%	-14.66%	-37.33%	9.58%	-15.64%	45.23%	69.02%	82.59%	108.75%	-3.87%
SPMO Invesco S&P 500 Momentum ETF	22.29%	26.58%	45.82%	17.56%	-10.45%	22.64%	28.25%	25.93%	-0.92%	27.76%

Correlation

The correlation between DXCM and SPMO is 0.10, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.10
Correlation (3Y) Calculated over the trailing 3-year period	0.23
Correlation (5Y) Calculated over the trailing 5-year period	0.34
Correlation (10Y) Calculated over the trailing 10-year period	0.36
Correlation (All Time) Calculated using the full available price history since Oct 12, 2015	0.34

Over the past year, the correlation between DXCM and SPMO has dropped to 0.10 - well below their long-term average of 0.34, suggesting their price drivers have been diverging.

Return for Risk

DXCM vs. SPMO — Risk / Return Rank

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

DXCM

DXCM Risk / Return Rank: 36
DXCM Sharpe Ratio Rank: 37
DXCM Sortino Ratio Rank: 34
DXCM Omega Ratio Rank: 34
DXCM Calmar Ratio Rank: 38
DXCM Martin Ratio Rank: 39

SPMO

SPMO Risk / Return Rank: 51
SPMO Sharpe Ratio Rank: 46
SPMO Sortino Ratio Rank: 43
SPMO Omega Ratio Rank: 47
SPMO Calmar Ratio Rank: 59
SPMO Martin Ratio Rank: 58

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. SPMO - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for DexCom, Inc. (DXCM) and Invesco S&P 500 Momentum ETF (SPMO). 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.

Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.

	DXCM	SPMO	Difference
Sharpe ratio: Return per unit of total volatility	-0.18	1.32	-1.50
Sortino ratio: Return per unit of downside risk	0.03	1.84	-1.81
Omega ratio: Gain probability vs. loss probability	1.00	1.25	-0.25
Calmar ratio: Return relative to maximum drawdown	-0.19	2.36	-2.55
Martin ratio: Return relative to average drawdown	-0.31	8.15	-8.46

DXCM vs. SPMO - Sharpe Ratio Comparison

The current DXCM Sharpe Ratio is -0.18, which is lower than the SPMO Sharpe Ratio of 1.32. The chart below compares the historical Sharpe Ratios of DXCM and SPMO, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

DXCM vs. SPMO - Drawdown Comparison

The maximum DXCM drawdown since its inception was -94.61%, which is greater than SPMO's maximum drawdown of -30.95%. Use the drawdown chart below to compare losses from any high point for DXCM and SPMO.

Drawdown Indicators

	DXCM	SPMO	Difference
Max Drawdown Largest peak-to-trough decline	-94.61%	-30.95%	-63.66%
Max Drawdown (1Y) Largest decline over 1 year	-38.75%	-12.70%	-26.05%
Max Drawdown (3Y) Largest decline over 3 years	-60.95%	-20.13%	-40.82%
Max Drawdown (5Y) Largest decline over 5 years	-66.32%	-22.74%	-43.58%
Max Drawdown (10Y) Largest decline over 10 years	-66.32%	-30.95%	-35.37%
Current Drawdown Current decline from peak	-52.11%	-10.13%	-41.98%
Average Drawdown Average peak-to-trough decline	-36.10%	-4.59%	-31.51%
Ulcer Index Depth and duration of drawdowns from previous peaks	23.48%	3.67%	+19.81%

Volatility

DXCM vs. SPMO - Volatility Comparison

DexCom, Inc. (DXCM) has a higher volatility of 12.67% compared to Invesco S&P 500 Momentum ETF (SPMO) at 11.67%. This indicates that DXCM's price experiences larger fluctuations and is considered to be riskier than SPMO based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	DXCM	SPMO	Difference
Volatility (1M) Calculated over the trailing 1-month period	12.67%	11.67%	+1.00%
Volatility (6M) Calculated over the trailing 6-month period	27.05%	20.23%	+6.82%
Volatility (1Y) Calculated over the trailing 1-year period	40.85%	22.58%	+18.27%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	47.28%	20.33%	+26.95%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	48.53%	20.83%	+27.70%

Dividends

DXCM vs. SPMO - Dividend Comparison

DXCM has not paid dividends to shareholders, while SPMO's dividend yield for the trailing twelve months is around 0.72%.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
DXCM DexCom, 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%
SPMO Invesco S&P 500 Momentum ETF	0.72%	0.73%	0.48%	1.63%	1.66%	0.52%	1.27%	1.39%	1.05%	0.77%	1.94%	0.36%

Frequently Asked Questions

Can I hold both DXCM and SPMO in my portfolio?

DXCM and SPMO have a correlation of 0.10, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, DXCM or SPMO?

DXCM has higher volatility (12.67%) compared to SPMO (11.67%). In terms of maximum drawdown, DXCM dropped -94.61% vs SPMO's -30.95%.

Which has better risk-adjusted returns?

SPMO currently has the higher Sharpe Ratio (1.32 vs -0.18), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.