MDEV vs. SPY
MDEV (First Trust Indxx Medical Devices ETF) and SPY (State Street SPDR S&P 500 ETF) are both exchange-traded funds - MDEV is a Health & Biotech Equities fund tracking the Indxx Global Medical Equipment Index, while SPY is a S&P 500 fund tracking the S&P 500 Index. Both are passively managed. Over the past 5 years, MDEV returned -6.04%/yr vs 13.05%/yr for SPY. A 0.72 correlation means they provide meaningful diversification when combined. MDEV charges 0.70%/yr vs 0.09%/yr for SPY.
Performance
MDEV vs. SPY - Performance Comparison
Loading charts...
Returns By Period
In the year-to-date period, MDEV achieves a -11.56% return, which is significantly lower than SPY's 8.15% return.
MDEV
- 1D
- 0.35%
- 1M
- -1.40%
- YTD
- -11.56%
- 6M
- -12.11%
- 1Y
- -7.87%
- 3Y*
- -3.34%
- 5Y*
- -6.04%
- 10Y*
- —
SPY
- 1D
- -1.45%
- 1M
- -1.36%
- YTD
- 8.15%
- 6M
- 7.20%
- 1Y
- 23.59%
- 3Y*
- 20.68%
- 5Y*
- 13.05%
- 10Y*
- 15.53%
MDEV vs. SPY - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | |
|---|---|---|---|---|---|---|
MDEV First Trust Indxx Medical Devices ETF | -11.56% | 2.00% | 1.79% | 7.55% | -28.59% | 3.83% |
SPY State Street SPDR S&P 500 ETF | 8.15% | 17.72% | 24.89% | 26.18% | -18.18% | 13.01% |
Correlation
The correlation between MDEV and SPY is 0.53, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.53 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.63 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.72 |
Correlation (All Time) Calculated using the full available price history since Jun 23, 2021 | 0.72 |
The correlation between MDEV and SPY shifts across timeframes, from 0.53 (1 year) to 0.72 (all time), reflecting how their relationship changes across market environments.
MDEV vs. SPY - Sectors Allocation Comparison
Sectors
MDEV
SPY
Healthcare
Basic Materials
-
Communication Services
-
Consumer Cyclical
-
Consumer Defensive
-
Energy
-
Financial Services
-
Industrials
-
Real Estate
-
Technology
-
Utilities
-
Healthcare
MDEV
SPY
Basic Materials
MDEV
-
SPY
Communication Services
MDEV
-
SPY
Consumer Cyclical
MDEV
-
SPY
Consumer Defensive
MDEV
-
SPY
Energy
MDEV
-
SPY
Financial Services
MDEV
-
SPY
Industrials
MDEV
-
SPY
Real Estate
MDEV
-
SPY
Technology
MDEV
-
SPY
Utilities
MDEV
-
SPY
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
MDEV vs. SPY — Risk / Return Rank
MDEV
SPY
MDEV vs. SPY - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for First Trust Indxx Medical Devices ETF (MDEV) and State Street SPDR S&P 500 ETF (SPY). 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.
| MDEV | SPY | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -2.39 | ||
| Sortino ratioReturn per unit of downside risk | -3.18 | ||
| Omega ratioGain probability vs. loss probability | 0.93 | 1.34 | -0.41 |
| Calmar ratioReturn relative to maximum drawdown | -0.44 | 2.67 | -3.10 |
| Martin ratioReturn relative to average drawdown | -1.00 | 11.92 | -12.92 |
Loading charts...
Drawdowns
MDEV vs. SPY - Drawdown Comparison
The maximum MDEV drawdown since its inception was -42.34%, smaller than the maximum SPY drawdown of -55.19%. Use the drawdown chart below to compare losses from any high point for MDEV and SPY.
Loading charts...
Drawdown Indicators
| MDEV | SPY | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -42.34% | -55.19% | +12.85% |
Max Drawdown (1Y)Largest decline over 1 year | -18.13% | -8.88% | -9.25% |
Max Drawdown (3Y)Largest decline over 3 years | -22.50% | -18.76% | -3.74% |
Max Drawdown (5Y)Largest decline over 5 years | -42.34% | -24.50% | -17.84% |
Max Drawdown (10Y)Largest decline over 10 years | — | -33.72% | — |
Current DrawdownCurrent decline from peak | -33.81% | -3.17% | -30.64% |
Average DrawdownAverage peak-to-trough decline | -25.71% | -9.04% | -16.67% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 7.87% | 1.98% | +5.89% |
Volatility
MDEV vs. SPY - Volatility Comparison
The current volatility for First Trust Indxx Medical Devices ETF (MDEV) is 4.27%, while State Street SPDR S&P 500 ETF (SPY) has a volatility of 4.87%. This indicates that MDEV experiences smaller price fluctuations and is considered to be less risky than SPY based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
Loading charts...
Volatility by Period
| MDEV | SPY | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 4.27% | 4.87% | -0.60% |
Volatility (6M)Calculated over the trailing 6-month period | 11.81% | 9.85% | +1.96% |
Volatility (1Y)Calculated over the trailing 1-year period | 16.17% | 12.50% | +3.67% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 18.96% | 17.15% | +1.81% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 18.95% | 17.95% | +1.00% |
MDEV vs. SPY - Expense Ratio Comparison
MDEV has a 0.70% expense ratio, which is higher than SPY's 0.09% expense ratio.
Dividends
MDEV vs. SPY - Dividend Comparison
MDEV has not paid dividends to shareholders, while SPY's dividend yield for the trailing twelve months is around 1.03%.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
MDEV First Trust Indxx Medical Devices ETF | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
SPY State Street SPDR S&P 500 ETF | 1.03% | 1.07% | 1.21% | 1.40% | 1.65% | 1.20% | 1.52% | 1.75% | 2.04% | 1.80% | 2.03% | 2.06% |
Frequently Asked Questions
MDEV and SPY have a correlation of 0.53, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
SPY has higher volatility (4.87%) compared to MDEV (4.27%). In terms of maximum drawdown, MDEV dropped -42.34% vs SPY's -55.19%.
On 5-year performance, SPY leads with 13.05% vs -6.04% for MDEV. On fees, SPY is cheaper at 0.09% per year. On volatility, MDEV has been the lower-risk option at 4.27%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 5-year period, SPY has performed better with a 13.05% return vs -6.04%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
SPY is cheaper with a 0.09% expense ratio, compared with 0.70% for MDEV.
SPY has the higher dividend yield at 1.03%, compared with 0.00% for MDEV.
MDEV is categorized as Health & Biotech Equities, while SPY is S&P 500. MDEV tracks Indxx Global Medical Equipment Index, while SPY tracks S&P 500 Index. They also come from different issuers: First Trust and State Street. Their fees differ too: 0.70% for MDEV and 0.09% for SPY.
SPY currently has the higher Sharpe Ratio (1.90 vs -0.49), 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 MDEV and SPY
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