PKB vs. IWM

Last updated Jun 5, 2026

PKB (Invesco Dynamic Building & Construction ETF) and IWM (iShares Russell 2000 ETF) are both exchange-traded funds - PKB is a Building & Construction fund tracking the Dynamic Building & Construction Intellidex Index, while IWM is a Small Cap Blend Equities fund tracking the Russell 2000 Index. Both are passively managed. Over the past 10 years, PKB returned 15.42%/yr vs 10.97%/yr for IWM. Their correlation of 0.84 suggests significant overlap in exposure. PKB charges 0.60%/yr vs 0.19%/yr for IWM.

Performance

PKB vs. IWM - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Invesco Dynamic Building & Construction ETF (PKB) and iShares Russell 2000 ETF (IWM). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, PKB achieves a 14.13% return, which is significantly lower than IWM's 18.84% return. Over the past 10 years, PKB has outperformed IWM with an annualized return of 15.42%, while IWM has yielded a comparatively lower 10.97% annualized return.

PKB

• 1D: 0.91%
• 1M: -3.16%
• YTD: 14.13%
• 6M: 10.71%
• 1Y: 35.41%
• 3Y*: 30.27%
• 5Y*: 15.86%
• 10Y*: 15.42%

IWM

• 1D: 1.51%
• 1M: 3.34%
• YTD: 18.84%
• 6M: 16.56%
• 1Y: 41.60%
• 3Y*: 19.00%
• 5Y*: 6.43%
• 10Y*: 10.97%

*Multi-year figures are annualized to reflect compound growth (CAGR)

PKB vs. IWM - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
PKB Invesco Dynamic Building & Construction ETF	14.13%	22.47%	20.24%	55.29%	-24.88%	32.96%	24.49%	40.15%	-31.11%	24.67%
IWM iShares Russell 2000 ETF	18.84%	12.66%	11.38%	16.83%	-20.48%	14.54%	20.03%	25.39%	-11.12%	14.58%

Correlation

The correlation between PKB and IWM is 0.80, 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	0.80
Correlation (3Y) Calculated over the trailing 3-year period	0.82
Correlation (5Y) Calculated over the trailing 5-year period	0.83
Correlation (10Y) Calculated over the trailing 10-year period	0.81
Correlation (All Time) Calculated using the full available price history since Oct 27, 2005	0.84

The correlation between PKB and IWM has been stable across timeframes, ranging from 0.80 to 0.84 - a consistent structural relationship.

PKB vs. IWM - Sectors Allocation Comparison

Sectors	PKB	IWM
Industrials	47.2%	17.1%
Basic Materials	29.0%	4.5%
Consumer Cyclical	20.8%	7.8%
Utilities	3.0%	3.0%
Financial Services	0.1%	15.8%
Communication Services	-	2.0%
Consumer Defensive	-	2.1%
Energy	-	6.0%
Healthcare	-	15.8%
Real Estate	-	5.7%
Technology	-	19.5%

Return for Risk

PKB vs. IWM — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

PKB

PKB Risk / Return Rank: 45
PKB Sharpe Ratio Rank: 45
PKB Sortino Ratio Rank: 47
PKB Omega Ratio Rank: 41
PKB Calmar Ratio Rank: 48
PKB Martin Ratio Rank: 46

IWM

IWM Risk / Return Rank: 68
IWM Sharpe Ratio Rank: 67
IWM Sortino Ratio Rank: 66
IWM Omega Ratio Rank: 59
IWM Calmar Ratio Rank: 76
IWM Martin Ratio Rank: 73

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

PKB vs. IWM - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Invesco Dynamic Building & Construction ETF (PKB) and iShares Russell 2000 ETF (IWM). 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.

	PKB	IWM	Difference
Sharpe ratio: Return per unit of total volatility	1.55	2.18	-0.63
Sortino ratio: Return per unit of downside risk	2.26	3.00	-0.74
Omega ratio: Gain probability vs. loss probability	1.26	1.36	-0.09
Calmar ratio: Return relative to maximum drawdown	2.31	3.79	-1.48
Martin ratio: Return relative to average drawdown	7.46	13.45	-5.99
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

PKB vs. IWM - Sharpe Ratio Comparison

The current PKB Sharpe Ratio is 1.55, which is comparable to the IWM Sharpe Ratio of 2.18. The chart below compares the historical Sharpe Ratios of PKB and IWM, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	PKB	IWM	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.55	2.18	-0.63
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.62	0.29	+0.33
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.57	0.48	+0.09
Sharpe Ratio (All Time) Calculated using the full available price history	0.37	0.37	+0.01

Drawdowns

PKB vs. IWM - Drawdown Comparison

The maximum PKB drawdown since its inception was -65.21%, which is greater than IWM's maximum drawdown of -59.05%. Use the drawdown chart below to compare losses from any high point for PKB and IWM.

Drawdown Indicators

	PKB	IWM	Difference
Max Drawdown Largest peak-to-trough decline	-65.21%	-59.05%	-6.16%
Max Drawdown (1Y) Largest decline over 1 year	-15.41%	-11.03%	-4.38%
Max Drawdown (3Y) Largest decline over 3 years	-29.75%	-27.50%	-2.25%
Max Drawdown (5Y) Largest decline over 5 years	-34.85%	-31.91%	-2.94%
Max Drawdown (10Y) Largest decline over 10 years	-52.29%	-41.13%	-11.16%
Current Drawdown Current decline from peak	-4.48%	-0.01%	-4.47%
Average Drawdown Average peak-to-trough decline	-15.77%	-10.77%	-5.00%
Ulcer Index Depth and duration of drawdowns from previous peaks	4.76%	3.10%	+1.66%

Volatility

PKB vs. IWM - Volatility Comparison

Invesco Dynamic Building & Construction ETF (PKB) has a higher volatility of 7.38% compared to iShares Russell 2000 ETF (IWM) at 5.70%. This indicates that PKB's price experiences larger fluctuations and is considered to be riskier than IWM based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	PKB	IWM	Difference
Volatility (1M) Calculated over the trailing 1-month period	7.38%	5.70%	+1.68%
Volatility (6M) Calculated over the trailing 6-month period	17.85%	13.60%	+4.25%
Volatility (1Y) Calculated over the trailing 1-year period	22.98%	19.19%	+3.79%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	25.69%	22.53%	+3.16%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	27.23%	23.04%	+4.19%

PKB vs. IWM - Expense Ratio Comparison

PKB has a 0.60% expense ratio, which is higher than IWM's 0.19% expense ratio.

Dividends

PKB vs. IWM - Dividend Comparison

PKB's dividend yield for the trailing twelve months is around 0.14%, less than IWM's 0.87% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
IWM iShares Russell 2000 ETF	0.87%	1.04%	1.15%	1.35%	1.48%	0.94%	1.04%	1.26%	1.40%	1.26%	1.38%	1.54%
PKB Invesco Dynamic Building & Construction ETF	0.14%	0.14%	0.23%	0.33%	0.43%	0.25%	0.30%	0.37%	0.54%	0.17%	0.31%	0.11%

Frequently Asked Questions

Can I hold both PKB and IWM in my portfolio?

PKB and IWM have a correlation of 0.80, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, PKB or IWM?

PKB has higher volatility (7.38%) compared to IWM (5.70%). In terms of maximum drawdown, PKB dropped -65.21% vs IWM's -59.05%.

Which ETF is better, PKB or IWM?

On 10-year performance, PKB leads with 15.42% vs 10.97% for IWM. On fees, IWM is cheaper at 0.19% per year. On volatility, IWM has been the lower-risk option at 5.70%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, PKB or IWM?

Over the 10-year period, PKB has performed better with a 15.42% return vs 10.97%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, PKB or IWM?

IWM is cheaper with a 0.19% expense ratio, compared with 0.60% for PKB.

Which ETF pays a higher dividend yield, PKB or IWM?

IWM has the higher dividend yield at 0.87%, compared with 0.14% for PKB.

What is the main difference between PKB and IWM?

PKB is categorized as Building & Construction, while IWM is Small Cap Blend Equities. PKB tracks Dynamic Building & Construction Intellidex Index, while IWM tracks Russell 2000 Index. They also come from different issuers: Invesco and iShares. Their fees differ too: 0.60% for PKB and 0.19% for IWM.

Which has better risk-adjusted returns?

IWM currently has the higher Sharpe Ratio (2.18 vs 1.55), 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.