SPD vs. SPY
SPD (Simplify US Equity PLUS Downside Convexity ETF) and SPY (State Street SPDR S&P 500 ETF) are both exchange-traded funds - SPD is a Large Cap Blend Equities fund actively managed by Simplify, while SPY is a S&P 500 fund tracking the S&P 500 Index. SPD is actively managed, while SPY is passively managed. Over the past 5 years, SPD returned 8.57%/yr vs 14.20%/yr for SPY. Their correlation of 0.92 suggests significant overlap in exposure. SPD charges 0.53%/yr vs 0.09%/yr for SPY.
Performance
SPD vs. SPY - Performance Comparison
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Returns By Period
In the year-to-date period, SPD achieves a 7.45% return, which is significantly lower than SPY's 11.69% return.
SPD
- 1D
- 0.07%
- 1M
- 5.23%
- YTD
- 7.45%
- 6M
- 6.89%
- 1Y
- 16.00%
- 3Y*
- 18.15%
- 5Y*
- 8.57%
- 10Y*
- —
SPY
- 1D
- 0.14%
- 1M
- 5.40%
- YTD
- 11.69%
- 6M
- 12.09%
- 1Y
- 29.62%
- 3Y*
- 22.64%
- 5Y*
- 14.20%
- 10Y*
- 15.57%
SPD vs. SPY - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | |
|---|---|---|---|---|---|---|---|
SPD Simplify US Equity PLUS Downside Convexity ETF | 7.45% | 18.86% | 17.49% | 20.94% | -25.96% | 24.81% | 8.75% |
SPY State Street SPDR S&P 500 ETF | 11.69% | 17.72% | 24.89% | 26.18% | -18.18% | 28.73% | 10.04% |
Correlation
The correlation between SPD and SPY is 0.95 - these two move nearly in lockstep. At this level, holding both provides almost no diversification benefit. If you already own one, adding the other does little to reduce portfolio risk.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.95 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.94 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.91 |
Correlation (All Time) Calculated using the full available price history since Sep 8, 2020 | 0.92 |
The correlation between SPD and SPY has been stable across timeframes, ranging from 0.91 to 0.95 - a consistent structural relationship.
SPD vs. SPY - Sectors Allocation Comparison
Sectors
SPD
SPY
Technology
Financial Services
Communication Services
Consumer Cyclical
Healthcare
Industrials
Consumer Defensive
Energy
Utilities
Real Estate
Basic Materials
Technology
SPD
SPY
Financial Services
SPD
SPY
Communication Services
SPD
SPY
Consumer Cyclical
SPD
SPY
Healthcare
SPD
SPY
Industrials
SPD
SPY
Consumer Defensive
SPD
SPY
Energy
SPD
SPY
Utilities
SPD
SPY
Real Estate
SPD
SPY
Basic Materials
SPD
SPY
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Return for Risk
SPD vs. SPY — Risk / Return Rank
SPD
SPY
SPD vs. SPY - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Simplify US Equity PLUS Downside Convexity ETF (SPD) 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.
| SPD | SPY | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 1.22 | 2.52 | -1.30 |
Sortino ratioReturn per unit of downside risk | 1.78 | 3.42 | -1.63 |
Omega ratioGain probability vs. loss probability | 1.21 | 1.46 | -0.25 |
Calmar ratioReturn relative to maximum drawdown | 1.37 | 3.42 | -2.05 |
Martin ratioReturn relative to average drawdown | 4.26 | 15.93 | -11.67 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
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Sharpe Ratios by Period
| SPD | SPY | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 1.22 | 2.52 | -1.30 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.54 | 0.84 | -0.30 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | — | 0.87 | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.69 | 0.59 | +0.11 |
Drawdowns
SPD vs. SPY - Drawdown Comparison
The maximum SPD drawdown since its inception was -27.38%, smaller than the maximum SPY drawdown of -55.19%. Use the drawdown chart below to compare losses from any high point for SPD and SPY.
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Drawdown Indicators
| SPD | SPY | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -27.38% | -55.19% | +27.81% |
Max Drawdown (1Y)Largest decline over 1 year | -11.90% | -8.88% | -3.02% |
Max Drawdown (3Y)Largest decline over 3 years | -15.18% | -18.76% | +3.58% |
Max Drawdown (5Y)Largest decline over 5 years | -27.38% | -24.50% | -2.88% |
Max Drawdown (10Y)Largest decline over 10 years | — | -33.72% | — |
Current DrawdownCurrent decline from peak | 0.00% | 0.00% | 0.00% |
Average DrawdownAverage peak-to-trough decline | -7.72% | -9.05% | +1.33% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 3.82% | 1.91% | +1.91% |
Volatility
SPD vs. SPY - Volatility Comparison
Simplify US Equity PLUS Downside Convexity ETF (SPD) has a higher volatility of 3.32% compared to State Street SPDR S&P 500 ETF (SPY) at 2.75%. This indicates that SPD's price experiences larger fluctuations and is considered to be riskier than SPY based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| SPD | SPY | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 3.32% | 2.75% | +0.57% |
Volatility (6M)Calculated over the trailing 6-month period | 8.59% | 8.89% | -0.30% |
Volatility (1Y)Calculated over the trailing 1-year period | 13.20% | 11.81% | +1.39% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 16.04% | 17.05% | -1.01% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 15.98% | 17.94% | -1.96% |
SPD vs. SPY - Expense Ratio Comparison
SPD has a 0.53% expense ratio, which is higher than SPY's 0.09% expense ratio.
Dividends
SPD vs. SPY - Dividend Comparison
SPD's dividend yield for the trailing twelve months is around 0.95%, less than SPY's 0.97% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
SPD Simplify US Equity PLUS Downside Convexity ETF | 0.95% | 0.97% | 1.14% | 1.91% | 1.64% | 0.88% | 0.43% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
SPY State Street SPDR S&P 500 ETF | 0.97% | 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
With a correlation of 0.95, SPD and SPY move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.
SPD has higher volatility (3.32%) compared to SPY (2.75%). In terms of maximum drawdown, SPD dropped -27.38% vs SPY's -55.19%.
On 5-year performance, SPY leads with 14.20% vs 8.57% for SPD. On fees, SPY is cheaper at 0.09% per year. On volatility, SPY has been the lower-risk option at 2.75%. 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 14.20% return vs 8.57%. 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 0.53% for SPD.
SPY has the higher dividend yield at 0.97%, compared with 0.95% for SPD.
SPD is categorized as Large Cap Blend Equities, while SPY is S&P 500. They also come from different issuers: Simplify and State Street. Their fees differ too: 0.53% for SPD and 0.09% for SPY.
SPY currently has the higher Sharpe Ratio (2.52 vs 1.22), 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.
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