PKW vs. SPHD
PKW (Invesco BuyBack Achievers™ ETF) and SPHD (Invesco S&P 500® High Dividend Low Volatility ETF) are both exchange-traded funds - PKW is a Mid Cap Value Equities fund tracking the NASDAQ US BuyBack Achievers Index, while SPHD is a Dividend fund tracking the S&P 500 Low Volatility High Dividend Index. Both are passively managed. Over the past 10 years, PKW returned 13.54%/yr vs 7.55%/yr for SPHD. A 0.75 correlation means they provide meaningful diversification when combined. PKW charges 0.62%/yr vs 0.30%/yr for SPHD.
Performance
PKW vs. SPHD - Performance Comparison
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Returns By Period
In the year-to-date period, PKW achieves a 3.81% return, which is significantly lower than SPHD's 8.20% return. Over the past 10 years, PKW has outperformed SPHD with an annualized return of 13.54%, while SPHD has yielded a comparatively lower 7.55% annualized return.
PKW
- 1D
- 0.23%
- 1M
- 2.07%
- YTD
- 3.81%
- 6M
- 2.73%
- 1Y
- 16.22%
- 3Y*
- 18.43%
- 5Y*
- 10.28%
- 10Y*
- 13.54%
SPHD
- 1D
- 1.63%
- 1M
- 0.82%
- YTD
- 8.20%
- 6M
- 8.56%
- 1Y
- 12.09%
- 3Y*
- 12.70%
- 5Y*
- 7.06%
- 10Y*
- 7.55%
PKW vs. SPHD - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
PKW Invesco BuyBack Achievers™ ETF | 3.81% | 17.92% | 17.33% | 17.24% | -10.21% | 32.62% | 8.41% | 34.09% | -10.53% | 17.75% |
SPHD Invesco S&P 500® High Dividend Low Volatility ETF | 8.20% | 3.41% | 18.08% | 1.32% | 0.58% | 24.98% | -9.98% | 20.26% | -6.17% | 11.90% |
Correlation
The correlation between PKW and SPHD is 0.56, 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 | 0.56 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.65 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.72 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.74 |
Correlation (All Time) Calculated using the full available price history since Oct 26, 2012 | 0.75 |
The correlation between PKW and SPHD shifts across timeframes, from 0.56 (1 year) to 0.75 (all time), reflecting how their relationship changes across market environments.
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Return for Risk
PKW vs. SPHD — Risk / Return Rank
PKW
SPHD
PKW vs. SPHD - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Invesco BuyBack Achievers™ ETF (PKW) and Invesco S&P 500® High Dividend Low Volatility ETF (SPHD). 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.
| PKW | SPHD | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.17 | ||
| Sortino ratioReturn per unit of downside risk | +0.22 | ||
| Omega ratioGain probability vs. loss probability | 1.21 | 1.18 | +0.03 |
| Calmar ratioReturn relative to maximum drawdown | 2.07 | 1.66 | +0.42 |
| Martin ratioReturn relative to average drawdown | 6.50 | 4.06 | +2.44 |
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Drawdowns
PKW vs. SPHD - Drawdown Comparison
The maximum PKW drawdown since its inception was -54.59%, which is greater than SPHD's maximum drawdown of -41.39%. Use the drawdown chart below to compare losses from any high point for PKW and SPHD.
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Drawdown Indicators
| PKW | SPHD | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -54.59% | -41.39% | -13.20% |
Max Drawdown (1Y)Largest decline over 1 year | -7.86% | -7.33% | -0.53% |
Max Drawdown (3Y)Largest decline over 3 years | -20.91% | -13.29% | -7.62% |
Max Drawdown (5Y)Largest decline over 5 years | -23.51% | -19.50% | -4.01% |
Max Drawdown (10Y)Largest decline over 10 years | -40.93% | -41.39% | +0.46% |
Current DrawdownCurrent decline from peak | -0.87% | -1.91% | +1.04% |
Average DrawdownAverage peak-to-trough decline | -7.94% | -4.69% | -3.25% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.50% | 2.98% | -0.48% |
Volatility
PKW vs. SPHD - Volatility Comparison
The current volatility for Invesco BuyBack Achievers™ ETF (PKW) is 3.39%, while Invesco S&P 500® High Dividend Low Volatility ETF (SPHD) has a volatility of 4.26%. This indicates that PKW experiences smaller price fluctuations and is considered to be less risky than SPHD based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| PKW | SPHD | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 3.39% | 4.26% | -0.87% |
Volatility (6M)Calculated over the trailing 6-month period | 9.69% | 8.13% | +1.56% |
Volatility (1Y)Calculated over the trailing 1-year period | 13.29% | 11.48% | +1.81% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 17.43% | 14.16% | +3.27% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 19.75% | 17.65% | +2.10% |
PKW vs. SPHD - Expense Ratio Comparison
PKW has a 0.62% expense ratio, which is higher than SPHD's 0.30% expense ratio.
Dividends
PKW vs. SPHD - Dividend Comparison
PKW's dividend yield for the trailing twelve months is around 0.81%, less than SPHD's 4.60% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
PKW Invesco BuyBack Achievers™ ETF | 0.81% | 0.99% | 0.86% | 1.17% | 1.22% | 0.72% | 1.48% | 1.30% | 1.30% | 0.65% | 1.59% | 1.14% |
SPHD Invesco S&P 500® High Dividend Low Volatility ETF | 4.60% | 4.02% | 3.41% | 4.48% | 3.89% | 3.45% | 4.89% | 4.07% | 4.40% | 3.14% | 3.83% | 3.49% |
Frequently Asked Questions
PKW and SPHD have a correlation of 0.56, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
SPHD has higher volatility (4.26%) compared to PKW (3.39%). In terms of maximum drawdown, PKW dropped -54.59% vs SPHD's -41.39%.
On 10-year performance, PKW leads with 13.54% vs 7.55% for SPHD. On fees, SPHD is cheaper at 0.30% per year. On volatility, PKW has been the lower-risk option at 3.39%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 10-year period, PKW has performed better with a 13.54% return vs 7.55%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
SPHD is cheaper with a 0.30% expense ratio, compared with 0.62% for PKW.
SPHD has the higher dividend yield at 4.60%, compared with 0.81% for PKW.
PKW is categorized as Mid Cap Value Equities, while SPHD is Dividend. PKW tracks NASDAQ US BuyBack Achievers Index, while SPHD tracks S&P 500 Low Volatility High Dividend Index. Their fees differ too: 0.62% for PKW and 0.30% for SPHD.
PKW currently has the higher Sharpe Ratio (1.23 vs 1.06), 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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