RSPF vs. IAK

Last updated Jun 24, 2026

RSPF (Invesco S&P 500 Equal Weight Financials ETF) and IAK (iShares U.S. Insurance ETF) are both Financials Equities funds - RSPF tracks the S&P 500 Equal Weighted / Financials -SEC while IAK tracks the Dow Jones U.S. Select Insurance Index. Both are passively managed. Over the past 10 years, RSPF returned 12.51%/yr vs 13.24%/yr for IAK. Their correlation of 0.82 suggests significant overlap in exposure. RSPF charges 0.40%/yr vs 0.38%/yr for IAK.

Performance

RSPF vs. IAK - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Invesco S&P 500 Equal Weight Financials ETF (RSPF) 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, RSPF achieves a -0.50% return, which is significantly lower than IAK's 3.98% return. Over the past 10 years, RSPF has underperformed IAK with an annualized return of 12.51%, while IAK has yielded a comparatively higher 13.24% annualized return.

RSPF

• 1D: 0.21%
• 1M: 2.51%
• YTD: -0.50%
• 6M: -1.82%
• 1Y: 6.44%
• 3Y*: 18.00%
• 5Y*: 7.35%
• 10Y*: 12.51%

IAK

• 1D: 0.35%
• 1M: 3.96%
• YTD: 3.98%
• 6M: 3.01%
• 1Y: 7.11%
• 3Y*: 19.83%
• 5Y*: 14.32%
• 10Y*: 13.24%

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

RSPF vs. IAK - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
RSPF Invesco S&P 500 Equal Weight Financials ETF	-0.50%	10.23%	25.75%	6.43%	-10.64%	36.36%	5.49%	31.53%	-15.81%	21.57%
IAK iShares U.S. Insurance ETF	3.98%	9.50%	28.25%	11.28%	11.33%	26.84%	-2.86%	25.94%	-11.48%	14.18%

Correlation

The correlation between RSPF and IAK is 0.66, 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	0.66
Correlation (3Y) Calculated over the trailing 3-year period	0.71
Correlation (5Y) Calculated over the trailing 5-year period	0.80
Correlation (10Y) Calculated over the trailing 10-year period	0.85
Correlation (All Time) Calculated using the full available price history since Nov 7, 2006	0.82

The correlation between RSPF and IAK shifts across timeframes, from 0.66 (1 year) to 0.85 (10 years), reflecting how their relationship changes across market environments.

RSPF vs. IAK - Sectors Allocation Comparison

Sectors	RSPF	IAK
Financial Services	92.6%	99.4%
Technology	6.1%	-
Industrials	1.3%	-
Basic Materials	-	-
Communication Services	-	-
Consumer Cyclical	-	-
Consumer Defensive	-	-
Energy	-	-
Healthcare	-	0.6%
Real Estate	-	-
Utilities	-	-

Return for Risk

RSPF vs. IAK — Risk / Return Rank

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

RSPF

RSPF Risk / Return Rank: 14
RSPF Sharpe Ratio Rank: 15
RSPF Sortino Ratio Rank: 14
RSPF Omega Ratio Rank: 14
RSPF Calmar Ratio Rank: 14
RSPF Martin Ratio Rank: 14

IAK

IAK Risk / Return Rank: 18
IAK Sharpe Ratio Rank: 16
IAK Sortino Ratio Rank: 15
IAK Omega Ratio Rank: 15
IAK Calmar Ratio Rank: 22
IAK Martin Ratio Rank: 20

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.

RSPF vs. IAK - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Invesco S&P 500 Equal Weight Financials ETF (RSPF) 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.

	RSPF	IAK	Difference
Sharpe ratio: Return per unit of total volatility	0.43	0.47	-0.04
Sortino ratio: Return per unit of downside risk	0.69	0.75	-0.06
Omega ratio: Gain probability vs. loss probability	1.08	1.09	-0.01
Calmar ratio: Return relative to maximum drawdown	0.46	0.94	-0.48
Martin ratio: Return relative to average drawdown	1.26	2.09	-0.84

RSPF vs. IAK - Sharpe Ratio Comparison

The current RSPF Sharpe Ratio is 0.43, which is comparable to the IAK Sharpe Ratio of 0.47. The chart below compares the historical Sharpe Ratios of RSPF 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

RSPF vs. IAK - Drawdown Comparison

The maximum RSPF drawdown since its inception was -81.32%, which is greater than IAK's maximum drawdown of -77.38%. Use the drawdown chart below to compare losses from any high point for RSPF and IAK.

Drawdown Indicators

	RSPF	IAK	Difference
Max Drawdown Largest peak-to-trough decline	-81.32%	-77.38%	-3.94%
Max Drawdown (1Y) Largest decline over 1 year	-14.13%	-7.62%	-6.51%
Max Drawdown (3Y) Largest decline over 3 years	-18.26%	-11.58%	-6.68%
Max Drawdown (5Y) Largest decline over 5 years	-27.68%	-14.76%	-12.92%
Max Drawdown (10Y) Largest decline over 10 years	-44.80%	-44.95%	+0.15%
Current Drawdown Current decline from peak	-3.38%	0.00%	-3.38%
Average Drawdown Average peak-to-trough decline	-19.00%	-16.09%	-2.91%
Ulcer Index Depth and duration of drawdowns from previous peaks	5.14%	3.41%	+1.73%

Volatility

RSPF vs. IAK - Volatility Comparison

The current volatility for Invesco S&P 500 Equal Weight Financials ETF (RSPF) is 4.11%, while iShares U.S. Insurance ETF (IAK) has a volatility of 5.61%. This indicates that RSPF experiences smaller price fluctuations and is considered to be less risky than IAK based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	RSPF	IAK	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.11%	5.61%	-1.50%
Volatility (6M) Calculated over the trailing 6-month period	11.43%	10.66%	+0.77%
Volatility (1Y) Calculated over the trailing 1-year period	15.14%	15.13%	+0.01%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	19.77%	18.05%	+1.72%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	22.87%	20.87%	+2.00%

RSPF vs. IAK - Expense Ratio Comparison

RSPF has a 0.40% expense ratio, which is higher than IAK's 0.38% expense ratio.

Dividends

RSPF vs. IAK - Dividend Comparison

RSPF's dividend yield for the trailing twelve months is around 1.62%, less than IAK's 2.57% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
IAK iShares U.S. Insurance ETF	2.57%	1.69%	1.49%	1.44%	1.69%	2.26%	2.07%	1.84%	2.33%	1.62%	1.68%	1.62%
RSPF Invesco S&P 500 Equal Weight Financials ETF	1.62%	1.55%	1.65%	2.16%	1.95%	1.56%	2.24%	1.85%	2.51%	1.28%	37.55%	2.17%

Frequently Asked Questions

Can I hold both RSPF and IAK in my portfolio?

RSPF and IAK have a correlation of 0.66, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, RSPF or IAK?

IAK has higher volatility (5.61%) compared to RSPF (4.11%). In terms of maximum drawdown, RSPF dropped -81.32% vs IAK's -77.38%.

Which ETF is better, RSPF or IAK?

On 10-year performance, IAK leads with 13.24% vs 12.51% for RSPF. On fees, IAK is cheaper at 0.38% per year. On volatility, RSPF has been the lower-risk option at 4.11%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, RSPF or IAK?

Over the 10-year period, IAK has performed better with a 13.24% return vs 12.51%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, RSPF or IAK?

IAK is cheaper with a 0.38% expense ratio, compared with 0.40% for RSPF.

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

IAK has the higher dividend yield at 2.57%, compared with 1.62% for RSPF.

What is the main difference between RSPF and IAK?

RSPF tracks S&P 500 Equal Weighted / Financials -SEC, while IAK tracks Dow Jones U.S. Select Insurance Index. They also come from different issuers: Invesco and iShares. Their fees differ too: 0.40% for RSPF and 0.38% for IAK.

Which has better risk-adjusted returns?

IAK currently has the higher Sharpe Ratio (0.47 vs 0.43), 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.