GOOG vs. DXCM
GOOG (Alphabet Inc) and DXCM (DexCom, Inc.) are both stocks. GOOG operates in Internet Content & Information (Communication Services), while DXCM operates in Diagnostics & Research (Healthcare). Over the past 10 years, GOOG returned 25.97%/yr vs 15.17%/yr for DXCM. At a 0.34 correlation, their price movements are largely independent.
Performance
GOOG vs. DXCM - Performance Comparison
Loading charts...
Returns By Period
In the year-to-date period, GOOG achieves a 14.29% return, which is significantly higher than DXCM's 13.56% return. Over the past 10 years, GOOG has outperformed DXCM with an annualized return of 25.97%, while DXCM has yielded a comparatively lower 15.17% annualized return.
GOOG
- 1D
- 0.45%
- 1M
- -10.19%
- YTD
- 14.29%
- 6M
- 15.49%
- 1Y
- 102.96%
- 3Y*
- 42.67%
- 5Y*
- 23.51%
- 10Y*
- 25.97%
DXCM
- 1D
- 0.16%
- 1M
- 28.68%
- YTD
- 13.56%
- 6M
- 12.56%
- 1Y
- -9.03%
- 3Y*
- -15.73%
- 5Y*
- -5.51%
- 10Y*
- 15.17%
GOOG vs. DXCM - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
GOOG Alphabet Inc | 14.29% | 65.42% | 35.62% | 58.83% | -38.67% | 65.17% | 31.03% | 29.10% | -1.03% | 35.58% |
DXCM DexCom, Inc. | 13.56% | -14.66% | -37.33% | 9.58% | -15.64% | 45.23% | 69.02% | 82.59% | 108.75% | -3.87% |
Correlation
The correlation between GOOG and DXCM is 0.15, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.15 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.18 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.32 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.32 |
Correlation (All Time) Calculated using the full available price history since Apr 3, 2014 | 0.34 |
The correlation between GOOG and DXCM shifts across timeframes, from 0.15 (1 year) to 0.34 (all time), reflecting how their relationship changes across market environments.
Fundamentals
GOOG:
$4.38T
DXCM:
$29.67B
GOOG:
$13.11
DXCM:
$2.31
GOOG:
27.31
DXCM:
32.57
GOOG:
1.34
DXCM:
0.77
GOOG:
10.35
DXCM:
6.29
GOOG:
9.16
DXCM:
10.03
GOOG:
$422.57B
DXCM:
$4.82B
GOOG:
$255.12B
DXCM:
$2.96B
GOOG:
$174.08B
DXCM:
$1.37B
Compare stocks, funds, or ETFs
Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.
Return for Risk
GOOG vs. DXCM — Risk / Return Rank
GOOG
DXCM
GOOG vs. DXCM - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Alphabet Inc (GOOG) 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.
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.
| GOOG | DXCM | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +3.83 | ||
| Sortino ratioReturn per unit of downside risk | +4.99 | ||
| Omega ratioGain probability vs. loss probability | 1.59 | 1.00 | +0.60 |
| Calmar ratioReturn relative to maximum drawdown | 4.99 | -0.23 | +5.22 |
| Martin ratioReturn relative to average drawdown | 17.56 | -0.40 | +17.96 |
Loading charts...
Drawdowns
GOOG vs. DXCM - Drawdown Comparison
The maximum GOOG drawdown since its inception was -44.60%, smaller than the maximum DXCM drawdown of -94.61%. Use the drawdown chart below to compare losses from any high point for GOOG and DXCM.
Loading charts...
Drawdown Indicators
| GOOG | DXCM | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -44.60% | -94.61% | +50.01% |
Max Drawdown (1Y)Largest decline over 1 year | -20.75% | -38.75% | +18.00% |
Max Drawdown (3Y)Largest decline over 3 years | -29.35% | -60.95% | +31.60% |
Max Drawdown (5Y)Largest decline over 5 years | -44.60% | -66.32% | +21.72% |
Max Drawdown (10Y)Largest decline over 10 years | -44.60% | -66.32% | +21.72% |
Current DrawdownCurrent decline from peak | -10.19% | -53.71% | +43.52% |
Average DrawdownAverage peak-to-trough decline | -8.89% | -36.02% | +27.13% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 5.88% | 22.77% | -16.89% |
Volatility
GOOG vs. DXCM - Volatility Comparison
The current volatility for Alphabet Inc (GOOG) is 7.29%, while DexCom, Inc. (DXCM) has a volatility of 13.27%. This indicates that GOOG 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.
Loading charts...
Volatility by Period
| GOOG | DXCM | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 7.29% | 13.27% | -5.98% |
Volatility (6M)Calculated over the trailing 6-month period | 20.47% | 25.48% | -5.01% |
Volatility (1Y)Calculated over the trailing 1-year period | 28.75% | 40.74% | -11.99% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 31.15% | 46.98% | -15.83% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 29.02% | 48.43% | -19.41% |
Dividends
GOOG vs. DXCM - Dividend Comparison
GOOG's dividend yield for the trailing twelve months is around 0.24%, while DXCM has not paid dividends to shareholders.
| Position | TTM | 2025 | 2024 |
|---|---|---|---|
DXCM DexCom, Inc. | 0.00% | 0.00% | 0.00% |
GOOG Alphabet Inc | 0.24% | 0.26% | 0.32% |
Financials
GOOG vs. DXCM - Financials Comparison
This section allows you to compare key financial metrics between Alphabet Inc and DexCom, Inc.. You can select fields from income statements, balance sheets, and cash flow statements to easily visualize and compare the financial health of both companies.
Total Revenue: Total amount of money received from sales and other business activities
GOOG vs. DXCM - Profitability Comparison
GOOG - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Alphabet Inc reported a gross profit of 68.63B and revenue of 109.90B. Therefore, the gross margin over that period was 62.5%.
DXCM - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, DexCom, Inc. reported a gross profit of 750.30M and revenue of 1.19B. Therefore, the gross margin over that period was 63.0%.
GOOG - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Alphabet Inc reported an operating income of 39.70B and revenue of 109.90B, resulting in an operating margin of 36.1%.
DXCM - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, DexCom, Inc. reported an operating income of 255.30M and revenue of 1.19B, resulting in an operating margin of 21.4%.
GOOG - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Alphabet Inc reported a net income of 62.58B and revenue of 109.90B, resulting in a net margin of 56.9%.
DXCM - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, DexCom, Inc. reported a net income of 199.50M and revenue of 1.19B, resulting in a net margin of 16.7%.
Frequently Asked Questions
GOOG and DXCM have a correlation of 0.15, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
DXCM has higher volatility (13.27%) compared to GOOG (7.29%). In terms of maximum drawdown, GOOG dropped -44.60% vs DXCM's -94.61%.
GOOG currently has the higher Sharpe Ratio (3.60 vs -0.22), 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.
Find the right allocation for GOOG and DXCM
Add both to a portfolio and optimize allocations for your target — whether that's maximizing returns, minimizing drawdowns, or balancing risk across holdings.
Open Portfolio Optimizer