DXCM vs. PSQ
DXCM (DexCom, Inc.) is a stock, while PSQ (ProShares Short QQQ) is Inverse Equities fund tracking the NASDAQ-100 Index (-100%). Over the past 10 years, DXCM returned 13.66%/yr vs -18.20%/yr for PSQ. Their -0.43 correlation means they have often moved in opposite directions in the past.
Performance
DXCM vs. PSQ - Performance Comparison
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Returns By Period
In the year-to-date period, DXCM achieves a 25.73% return, which is significantly higher than PSQ's -9.94% return. Over the past 10 years, DXCM has outperformed PSQ with an annualized return of 13.66%, while PSQ has yielded a comparatively lower -18.20% annualized return.
DXCM
- 1D
- 11.95%
- 1M
- 21.19%
- 6M
- 14.25%
- YTD
- 25.73%
- 1Y
- 3.32%
- 3Y*
- -11.89%
- 5Y*
- -8.33%
- 10Y*
- 13.66%
- ALL TIME*
- 16.87%
PSQ
- 1D
- -0.59%
- 1M
- 5.59%
- 6M
- -9.19%
- YTD
- -9.94%
- 1Y
- -15.69%
- 3Y*
- -15.05%
- 5Y*
- -11.74%
- 10Y*
- -18.20%
- ALL TIME*
- -16.38%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
DXCM DexCom, Inc. | $381.17M | $359.84M | $403.63M |
| $270.27M | $217.80M | $219.49M |
DXCM vs. PSQ - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
DXCM DexCom, Inc. | 25.73% | -14.66% | -37.33% | 9.58% | -15.64% | 45.23% | 69.02% | 82.59% | 108.75% | -3.87% |
PSQ ProShares Short QQQ | -9.94% | -15.51% | -15.68% | -32.01% | 36.40% | -24.84% | -41.23% | -27.49% | -2.34% | -24.77% |
Correlation
The correlation between DXCM and PSQ is -0.15, meaning they have often moved in opposite directions in the past. This relationship can weaken or reverse as market conditions change.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | -0.15 |
Correlation (3Y) Balances recent behavior with more history. | -0.27 |
Correlation (5Y) Shows whether the relationship held over a longer period. | -0.42 |
Correlation (10Y) Provides a long-term view across more market conditions. | -0.42 |
Correlation (All Time) Calculated using the full available price history since Jun 21, 2006 | -0.43 |
Over the past year, the inverse relationship between DXCM and PSQ has weakened: their correlation has moved from -0.43 to -0.15, meaning they move in opposite directions less often than they have historically.
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Return for Risk
DXCM vs. PSQ — Risk / Return Rank
DXCM
PSQ
DXCM vs. PSQ - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for DexCom, Inc. (DXCM) and ProShares Short QQQ (PSQ). 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 | PSQ | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.89 | ||
| Sortino ratioReturn per unit of downside risk | +1.52 | ||
| Omega ratioGain probability vs. loss probability | 1.05 | 0.88 | +0.18 |
| Calmar ratioReturn relative to maximum drawdown | 0.10 | -0.63 | +0.73 |
| Martin ratioReturn relative to average drawdown | 0.19 | -1.23 | +1.42 |
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Drawdowns
DXCM vs. PSQ - Drawdown Comparison
The maximum DXCM drawdown since its inception was -94.61%, roughly equal to the maximum PSQ drawdown of -98.26%. Use the drawdown chart below to compare losses from any high point for DXCM and PSQ.
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Drawdown Indicators
| DXCM | PSQ | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -94.61% | -98.26% | +3.65% |
Max Drawdown (1Y)Largest decline over 1 year | -33.33% | -24.83% | -8.50% |
Max Drawdown (3Y)Largest decline over 3 years | -60.95% | -49.65% | -11.30% |
Max Drawdown (5Y)Largest decline over 5 years | -66.32% | -60.91% | -5.41% |
Max Drawdown (10Y)Largest decline over 10 years | -66.32% | -87.66% | +21.34% |
Current DrawdownCurrent decline from peak | -48.75% | -98.12% | +49.37% |
Average DrawdownAverage peak-to-trough decline | -36.14% | -74.15% | +38.01% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 17.53% | 12.73% | +4.80% |
Volatility
DXCM vs. PSQ - Volatility Comparison
DexCom, Inc. (DXCM) has a higher volatility of 15.95% compared to ProShares Short QQQ (PSQ) at 6.96%. This indicates that DXCM's price experiences larger fluctuations and is considered to be riskier than PSQ based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| DXCM | PSQ | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 15.95% | 6.96% | +8.99% |
Volatility (6M)Calculated over the trailing 6-month period | 29.74% | 16.03% | +13.71% |
Volatility (1Y)Calculated over the trailing 1-year period | 42.91% | 19.38% | +23.53% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 47.22% | 22.93% | +24.29% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 48.66% | 22.46% | +26.20% |
Dividends
DXCM vs. PSQ - Dividend Comparison
DXCM has not paid dividends to shareholders, while PSQ's dividend yield for the trailing twelve months is around 4.26%.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 |
|---|---|---|---|---|---|---|---|---|---|---|
DXCM DexCom, Inc. | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
PSQ ProShares Short QQQ | 4.26% | 4.97% | 7.15% | 6.01% | 0.35% | 0.00% | 0.31% | 1.75% | 0.95% | 0.02% |
Frequently Asked Questions
DXCM and PSQ 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 (15.95%) compared to PSQ (6.96%). In terms of maximum drawdown, DXCM dropped -94.61% vs PSQ's -98.26%.
DXCM currently has the higher Sharpe Ratio (0.08 vs -0.81), 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.
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