PKB vs. IAK

Last updated Jun 13, 2026

PKB (Invesco Dynamic Building & Construction ETF) and IAK (iShares U.S. Insurance ETF) are both exchange-traded funds - PKB is a Building & Construction fund tracking the Dynamic Building & Construction Intellidex Index, while IAK is a Financials Equities fund tracking the Dow Jones U.S. Select Insurance Index. Both are passively managed. Over the past 10 years, PKB returned 15.78%/yr vs 12.67%/yr for IAK. A 0.65 correlation means they provide meaningful diversification when combined. PKB charges 0.60%/yr vs 0.43%/yr for IAK.

Performance

PKB vs. IAK - Performance Comparison

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

Returns By Period

In the year-to-date period, PKB achieves a 14.33% return, which is significantly higher than IAK's 1.11% return. Over the past 10 years, PKB has outperformed IAK with an annualized return of 15.78%, while IAK has yielded a comparatively lower 12.67% annualized return.

PKB

• 1D: 1.14%
• 1M: 1.78%
• YTD: 14.33%
• 6M: 10.23%
• 1Y: 34.86%
• 3Y*: 27.82%
• 5Y*: 16.59%
• 10Y*: 15.78%

IAK

• 1D: 0.68%
• 1M: 4.20%
• YTD: 1.11%
• 6M: 0.88%
• 1Y: 4.33%
• 3Y*: 18.27%
• 5Y*: 13.37%
• 10Y*: 12.67%

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

PKB vs. IAK - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
PKB Invesco Dynamic Building & Construction ETF	14.33%	22.47%	20.24%	55.29%	-24.88%	32.96%	24.49%	40.15%	-31.11%	24.67%
IAK iShares U.S. Insurance ETF	1.11%	9.50%	28.25%	11.28%	11.33%	26.84%	-2.86%	25.94%	-11.48%	14.18%

Correlation

The correlation between PKB and IAK is 0.20, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.20
Correlation (3Y) Calculated over the trailing 3-year period	0.33
Correlation (5Y) Calculated over the trailing 5-year period	0.47
Correlation (10Y) Calculated over the trailing 10-year period	0.55
Correlation (All Time) Calculated using the full available price history since May 5, 2006	0.65

Over the past year, the correlation between PKB and IAK has dropped to 0.20 - well below their long-term average of 0.65, suggesting their price drivers have been diverging.

PKB vs. IAK - Sectors Allocation Comparison

Sectors	PKB	IAK
Industrials	47.2%	-
Basic Materials	29.0%	-
Consumer Cyclical	20.8%	-
Utilities	3.0%	-
Financial Services	0.1%	99.5%
Communication Services	-	-
Consumer Defensive	-	-
Energy	-	-
Healthcare	-	0.5%
Real Estate	-	-
Technology	-	-

Return for Risk

PKB vs. IAK — Risk / Return Rank

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

PKB

PKB Risk / Return Rank: 48
PKB Sharpe Ratio Rank: 48
PKB Sortino Ratio Rank: 49
PKB Omega Ratio Rank: 43
PKB Calmar Ratio Rank: 52
PKB Martin Ratio Rank: 49

IAK

IAK Risk / Return Rank: 15
IAK Sharpe Ratio Rank: 14
IAK Sortino Ratio Rank: 13
IAK Omega Ratio Rank: 13
IAK Calmar Ratio Rank: 17
IAK Martin Ratio Rank: 16

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. IAK - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Invesco Dynamic Building & Construction ETF (PKB) and iShares U.S. Insurance ETF (IAK). 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.

	PKB	IAK	Difference
Sharpe ratio: Return per unit of total volatility	1.47	0.29	+1.18
Sortino ratio: Return per unit of downside risk	2.16	0.50	+1.65
Omega ratio: Gain probability vs. loss probability	1.25	1.06	+0.19
Calmar ratio: Return relative to maximum drawdown	2.27	0.57	+1.70
Martin ratio: Return relative to average drawdown	7.21	1.27	+5.93

PKB vs. IAK - Sharpe Ratio Comparison

The current PKB Sharpe Ratio is 1.47, which is higher than the IAK Sharpe Ratio of 0.29. The chart below compares the historical Sharpe Ratios of PKB and IAK, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

PKB vs. IAK - Drawdown Comparison

The maximum PKB drawdown since its inception was -65.21%, smaller than the maximum IAK drawdown of -77.38%. Use the drawdown chart below to compare losses from any high point for PKB and IAK.

Drawdown Indicators

	PKB	IAK	Difference
Max Drawdown Largest peak-to-trough decline	-65.21%	-77.38%	+12.17%
Max Drawdown (1Y) Largest decline over 1 year	-15.41%	-7.62%	-7.79%
Max Drawdown (3Y) Largest decline over 3 years	-29.75%	-11.58%	-18.17%
Max Drawdown (5Y) Largest decline over 5 years	-34.85%	-14.76%	-20.09%
Max Drawdown (10Y) Largest decline over 10 years	-52.29%	-44.95%	-7.34%
Current Drawdown Current decline from peak	-4.31%	-0.23%	-4.08%
Average Drawdown Average peak-to-trough decline	-15.75%	-16.11%	+0.36%
Ulcer Index Depth and duration of drawdowns from previous peaks	4.86%	3.41%	+1.45%

Volatility

PKB vs. IAK - Volatility Comparison

Invesco Dynamic Building & Construction ETF (PKB) has a higher volatility of 8.73% compared to iShares U.S. Insurance ETF (IAK) at 5.49%. This indicates that PKB's price experiences larger fluctuations and is considered to be riskier than IAK based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	PKB	IAK	Difference
Volatility (1M) Calculated over the trailing 1-month period	8.73%	5.49%	+3.24%
Volatility (6M) Calculated over the trailing 6-month period	18.69%	10.75%	+7.94%
Volatility (1Y) Calculated over the trailing 1-year period	23.78%	15.10%	+8.68%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	25.78%	18.14%	+7.64%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	27.29%	20.92%	+6.37%

PKB vs. IAK - Expense Ratio Comparison

PKB has a 0.60% expense ratio, which is higher than IAK's 0.43% expense ratio.

Dividends

PKB vs. IAK - Dividend Comparison

PKB's dividend yield for the trailing twelve months is around 0.14%, less than IAK's 2.60% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
IAK iShares U.S. Insurance ETF	2.60%	1.69%	1.49%	1.44%	1.69%	2.26%	2.07%	1.84%	2.33%	1.62%	1.68%	1.62%
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 IAK in my portfolio?

PKB and IAK have a correlation of 0.20, 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 IAK?

PKB has higher volatility (8.73%) compared to IAK (5.49%). In terms of maximum drawdown, PKB dropped -65.21% vs IAK's -77.38%.

Which ETF is better, PKB or IAK?

On 10-year performance, PKB leads with 15.78% vs 12.67% for IAK. On fees, IAK is cheaper at 0.43% per year. On volatility, IAK has been the lower-risk option at 5.49%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, PKB or IAK?

Over the 10-year period, PKB has performed better with a 15.78% return vs 12.67%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, PKB or IAK?

IAK is cheaper with a 0.43% expense ratio, compared with 0.60% for PKB.

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

IAK has the higher dividend yield at 2.60%, compared with 0.14% for PKB.

What is the main difference between PKB and IAK?

PKB is categorized as Building & Construction, while IAK is Financials Equities. PKB tracks Dynamic Building & Construction Intellidex Index, while IAK tracks Dow Jones U.S. Select Insurance Index. They also come from different issuers: Invesco and iShares. Their fees differ too: 0.60% for PKB and 0.43% for IAK.

Which has better risk-adjusted returns?

PKB currently has the higher Sharpe Ratio (1.47 vs 0.29), 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.