EMPB vs. SPY
EMPB (Efficient Market Portfolio Plus ETF) and SPY (State Street SPDR S&P 500 ETF) are both exchange-traded funds - EMPB is a Long-Short fund actively managed by NextGen EMP, while SPY is a S&P 500 fund tracking the S&P 500 Index. EMPB is actively managed, while SPY is passively managed. Over the past year, EMPB returned 17.10% vs 21.49% for SPY. Their 0.70 correlation means they have sometimes moved together and sometimes differently. EMPB charges 1.82%/yr vs 0.09%/yr for SPY.
Performance
EMPB vs. SPY - Performance Comparison
Loading charts...
Returns By Period
In the year-to-date period, EMPB achieves a 14.62% return, which is significantly higher than SPY's 10.13% return.
EMPB
- 1D
- 1.10%
- 1M
- 1.13%
- 6M
- 14.24%
- YTD
- 14.62%
- 1Y
- 17.10%
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
- ALL TIME*
- 18.65%
SPY
- 1D
- 0.72%
- 1M
- 0.30%
- 6M
- 8.53%
- YTD
- 10.13%
- 1Y
- 21.49%
- 3Y*
- 19.32%
- 5Y*
- 12.76%
- 10Y*
- 15.07%
- ALL TIME*
- 10.79%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
| $259.83K | $233.39K | $230.26K | |
| $37.27B | $35.99B | $39.23B |
EMPB vs. SPY - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | |
|---|---|---|---|
EMPB Efficient Market Portfolio Plus ETF | 14.62% | 14.84% | 0.43% |
SPY State Street SPDR S&P 500 ETF | 10.13% | 17.72% | -3.19% |
Correlation
The correlation between EMPB and SPY is 0.65, which is moderate. They have sometimes moved together and sometimes differently, sharing some price drivers without tracking each other closely.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | 0.65 |
Correlation (All Time) Calculated using the full available price history since Dec 12, 2024 | 0.70 |
The correlation between EMPB and SPY has been stable across timeframes, ranging from 0.65 to 0.70 - a consistent structural relationship.
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
EMPB vs. SPY — Risk / Return Rank
EMPB
SPY
EMPB vs. SPY - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Efficient Market Portfolio Plus ETF (EMPB) 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.
| EMPB | SPY | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.08 | ||
| Sortino ratioReturn per unit of downside risk | -0.05 | ||
| Omega ratioGain probability vs. loss probability | 1.26 | 1.27 | -0.01 |
| Calmar ratioReturn relative to maximum drawdown | 2.81 | 2.20 | +0.60 |
| Martin ratioReturn relative to average drawdown | 8.07 | 9.40 | -1.33 |
Loading charts...
Drawdowns
EMPB vs. SPY - Drawdown Comparison
The maximum EMPB drawdown since its inception was -7.55%, smaller than the maximum SPY drawdown of -55.19%. Use the drawdown chart below to compare losses from any high point for EMPB and SPY.
Loading charts...
Drawdown Indicators
| EMPB | SPY | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -7.55% | -55.19% | +47.64% |
Max Drawdown (1Y)Largest decline over 1 year | -5.98% | -8.88% | +2.90% |
Max Drawdown (3Y)Largest decline over 3 years | — | -18.76% | — |
Max Drawdown (5Y)Largest decline over 5 years | — | -24.50% | — |
Max Drawdown (10Y)Largest decline over 10 years | — | -33.72% | — |
Current DrawdownCurrent decline from peak | -0.76% | -1.40% | +0.64% |
Average DrawdownAverage peak-to-trough decline | -1.44% | -9.01% | +7.57% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.07% | 2.08% | -0.01% |
Volatility
EMPB vs. SPY - Volatility Comparison
Efficient Market Portfolio Plus ETF (EMPB) and State Street SPDR S&P 500 ETF (SPY) have volatilities of 3.75% and 3.58%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.
Loading charts...
Volatility by Period
| EMPB | SPY | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 3.75% | 3.58% | +0.17% |
Volatility (6M)Calculated over the trailing 6-month period | 9.07% | 10.14% | -1.07% |
Volatility (1Y)Calculated over the trailing 1-year period | 11.67% | 12.89% | -1.22% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 11.72% | 17.18% | -5.46% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 11.72% | 17.95% | -6.23% |
EMPB vs. SPY - Expense Ratio Comparison
EMPB has a 1.82% expense ratio, which is higher than SPY's 0.09% expense ratio.
Dividends
EMPB vs. SPY - Dividend Comparison
EMPB's dividend yield for the trailing twelve months is around 0.77%, less than SPY's 1.01% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
EMPB Efficient Market Portfolio Plus ETF | 0.77% | 0.88% | 0.28% | 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 | 1.01% | 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
EMPB and SPY have a correlation of 0.65, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
EMPB has higher volatility (3.75%) compared to SPY (3.58%). In terms of maximum drawdown, EMPB dropped -7.55% vs SPY's -55.19%.
On 1-year performance, SPY leads with 21.49% vs 17.10% for EMPB. On fees, SPY is cheaper at 0.09% per year. On volatility, SPY has been the lower-risk option at 3.58%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 1-year period, SPY has performed better with a 21.49% return vs 17.10%. 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 1.82% for EMPB.
SPY has the higher dividend yield at 1.01%, compared with 0.77% for EMPB.
EMPB is categorized as Long-Short, while SPY is S&P 500. They also come from different issuers: NextGen EMP and State Street. Their fees differ too: 1.82% for EMPB and 0.09% for SPY.
SPY currently has the higher Sharpe Ratio (1.52 vs 1.44), 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 EMPB 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