PKW vs. IWB
Compare and contrast key facts about Invesco BuyBack Achievers™ ETF (PKW) and iShares Russell 1000 ETF (IWB).
PKW and IWB are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. PKW is a passively managed fund by Invesco that tracks the performance of the NASDAQ US BuyBack Achievers Index. It was launched on Dec 20, 2006. IWB is a passively managed fund by iShares that tracks the performance of the Russell 1000 Index. It was launched on May 15, 2000. Both PKW and IWB are passive ETFs, meaning that they are not actively managed but aim to replicate the performance of the underlying index as closely as possible.
Performance
PKW vs. IWB - Performance Comparison
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PKW vs. IWB - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
PKW Invesco BuyBack Achievers™ ETF | -1.51% | 17.92% | 17.33% | 17.24% | -10.21% | 32.62% | 8.41% | 34.09% | -10.53% | 17.75% |
IWB iShares Russell 1000 ETF | -3.54% | 17.18% | 24.32% | 26.39% | -19.19% | 26.32% | 20.77% | 31.06% | -4.90% | 21.52% |
Returns By Period
In the year-to-date period, PKW achieves a -1.51% return, which is significantly higher than IWB's -3.54% return. Over the past 10 years, PKW has underperformed IWB with an annualized return of 12.61%, while IWB has yielded a comparatively higher 13.82% annualized return.
PKW
- 1D
- 0.63%
- 1M
- -4.00%
- YTD
- -1.51%
- 6M
- 0.25%
- 1Y
- 17.80%
- 3Y*
- 16.98%
- 5Y*
- 10.34%
- 10Y*
- 12.61%
IWB
- 1D
- 0.79%
- 1M
- -4.37%
- YTD
- -3.54%
- 6M
- -1.52%
- 1Y
- 17.98%
- 3Y*
- 18.26%
- 5Y*
- 11.07%
- 10Y*
- 13.82%
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PKW vs. IWB - Expense Ratio Comparison
PKW has a 0.62% expense ratio, which is higher than IWB's 0.15% expense ratio.
Return for Risk
PKW vs. IWB — Risk / Return Rank
PKW
IWB
PKW vs. IWB - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Invesco BuyBack Achievers™ ETF (PKW) and iShares Russell 1000 ETF (IWB). 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.
| PKW | IWB | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.93 | 0.98 | -0.05 |
Sortino ratioReturn per unit of downside risk | 1.39 | 1.50 | -0.11 |
Omega ratioGain probability vs. loss probability | 1.21 | 1.23 | -0.02 |
Calmar ratioReturn relative to maximum drawdown | 1.33 | 1.51 | -0.18 |
Martin ratioReturn relative to average drawdown | 5.67 | 7.11 | -1.44 |
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
| PKW | IWB | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.93 | 0.98 | -0.05 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.59 | 0.65 | -0.05 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.64 | 0.76 | -0.13 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.51 | 0.42 | +0.09 |
Correlation
The correlation between PKW and IWB is 0.88, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.
Dividends
PKW vs. IWB - Dividend Comparison
PKW's dividend yield for the trailing twelve months is around 0.94%, less than IWB's 1.05% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
PKW Invesco BuyBack Achievers™ ETF | 0.94% | 0.99% | 0.86% | 1.17% | 1.22% | 0.72% | 1.48% | 1.30% | 1.30% | 0.65% | 1.59% | 1.14% |
IWB iShares Russell 1000 ETF | 1.05% | 1.00% | 1.14% | 1.31% | 1.56% | 1.09% | 1.37% | 1.71% | 2.06% | 1.64% | 1.89% | 1.95% |
Drawdowns
PKW vs. IWB - Drawdown Comparison
The maximum PKW drawdown since its inception was -54.59%, roughly equal to the maximum IWB drawdown of -55.38%. Use the drawdown chart below to compare losses from any high point for PKW and IWB.
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Drawdown Indicators
| PKW | IWB | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -54.59% | -55.38% | +0.79% |
Max Drawdown (1Y)Largest decline over 1 year | -13.82% | -12.21% | -1.61% |
Max Drawdown (5Y)Largest decline over 5 years | -23.51% | -25.20% | +1.69% |
Max Drawdown (10Y)Largest decline over 10 years | -40.93% | -34.60% | -6.33% |
Current DrawdownCurrent decline from peak | -5.24% | -5.53% | +0.29% |
Average DrawdownAverage peak-to-trough decline | -8.01% | -10.92% | +2.91% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 3.24% | 2.59% | +0.65% |
Volatility
PKW vs. IWB - Volatility Comparison
The current volatility for Invesco BuyBack Achievers™ ETF (PKW) is 4.79%, while iShares Russell 1000 ETF (IWB) has a volatility of 5.38%. This indicates that PKW experiences smaller price fluctuations and is considered to be less risky than IWB based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| PKW | IWB | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 4.79% | 5.38% | -0.59% |
Volatility (6M)Calculated over the trailing 6-month period | 10.17% | 9.58% | +0.59% |
Volatility (1Y)Calculated over the trailing 1-year period | 19.15% | 18.34% | +0.81% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 17.47% | 17.11% | +0.36% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 19.77% | 18.12% | +1.65% |