WTFC vs. IAK

Last updated Apr 1, 2026

Compare and contrast key facts about Wintrust Financial Corporation (WTFC) and iShares U.S. Insurance ETF (IAK).

IAK is a passively managed fund by iShares that tracks the performance of the Dow Jones U.S. Select Insurance Index. It was launched on May 5, 2006.

Performance

WTFC vs. IAK - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Wintrust Financial Corporation (WTFC) and iShares U.S. Insurance ETF (IAK). The values are adjusted to include any dividend payments, if applicable.

WTFC vs. IAK - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
WTFC Wintrust Financial Corporation	-0.28%	13.94%	36.83%	12.00%	-5.54%	51.10%	-11.77%	8.16%	-18.56%	14.36%
IAK iShares U.S. Insurance ETF	-4.32%	9.50%	28.25%	11.28%	11.33%	26.84%	-2.86%	25.94%	-11.48%	14.18%

Returns By Period

In the year-to-date period, WTFC achieves a -0.28% return, which is significantly higher than IAK's -4.32% return. Over the past 10 years, WTFC has outperformed IAK with an annualized return of 13.79%, while IAK has yielded a comparatively lower 12.01% annualized return.

WTFC

• 1D: 4.04%
• 1M: -3.55%
• YTD: -0.28%
• 6M: 5.68%
• 1Y: 25.51%
• 3Y*: 26.18%
• 5Y*: 14.70%
• 10Y*: 13.79%

IAK

• 1D: 0.63%
• 1M: -4.62%
• YTD: -4.32%
• 6M: -2.34%
• 1Y: -4.39%
• 3Y*: 16.73%
• 5Y*: 13.54%
• 10Y*: 12.01%

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

Return for Risk

WTFC vs. IAK — Risk / Return Rank

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

WTFC

WTFC Risk / Return Rank: 67
WTFC Sharpe Ratio Rank: 69
WTFC Sortino Ratio Rank: 61
WTFC Omega Ratio Rank: 63
WTFC Calmar Ratio Rank: 70
WTFC Martin Ratio Rank: 72

IAK

IAK Risk / Return Rank: 7
IAK Sharpe Ratio Rank: 8
IAK Sortino Ratio Rank: 7
IAK Omega Ratio Rank: 7
IAK Calmar Ratio Rank: 8
IAK Martin Ratio Rank: 7

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.

WTFC vs. IAK - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Wintrust Financial Corporation (WTFC) 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.

	WTFC	IAK	Difference
Sharpe ratio Return per unit of total volatility	0.79	-0.24	+1.03
Sortino ratio Return per unit of downside risk	1.22	-0.20	+1.41
Omega ratio Gain probability vs. loss probability	1.17	0.97	+0.20
Calmar ratio Return relative to maximum drawdown	1.34	-0.28	+1.62
Martin ratio Return relative to average drawdown	3.72	-0.69	+4.42
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

WTFC vs. IAK - Sharpe Ratio Comparison

The current WTFC Sharpe Ratio is 0.79, which is higher than the IAK Sharpe Ratio of -0.24. The chart below compares the historical Sharpe Ratios of WTFC and IAK, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	WTFC	IAK	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.79	-0.24	+1.03
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.46	0.75	-0.29
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.37	0.58	-0.21
Sharpe Ratio (All Time) Calculated using the full available price history	0.26	0.26	0.00

Correlation

The correlation between WTFC and IAK is 0.64, which is considered to be moderate. This suggests that the two assets have some degree of positive relationship in their price movements. Moderate correlation can be acceptable for portfolio diversification, offering a balance between risk and potential returns.

Dividends

WTFC vs. IAK - Dividend Comparison

WTFC's dividend yield for the trailing twelve months is around 1.48%, less than IAK's 2.75% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
WTFC Wintrust Financial Corporation	1.48%	1.43%	1.44%	1.73%	1.61%	1.37%	1.83%	1.41%	1.14%	0.68%	0.66%	0.91%
IAK iShares U.S. Insurance ETF	2.75%	1.69%	1.49%	1.44%	1.69%	2.26%	2.07%	1.84%	2.33%	1.62%	1.68%	1.62%

Drawdowns

WTFC vs. IAK - Drawdown Comparison

The maximum WTFC drawdown since its inception was -83.58%, which is greater than IAK's maximum drawdown of -77.38%. Use the drawdown chart below to compare losses from any high point for WTFC and IAK.

Drawdown Indicators

	WTFC	IAK	Difference
Max Drawdown Largest peak-to-trough decline	-83.58%	-77.38%	-6.20%
Max Drawdown (1Y) Largest decline over 1 year	-19.30%	-11.58%	-7.72%
Max Drawdown (5Y) Largest decline over 5 years	-40.71%	-14.76%	-25.95%
Max Drawdown (10Y) Largest decline over 10 years	-74.50%	-44.95%	-29.55%
Current Drawdown Current decline from peak	-13.89%	-5.59%	-8.30%
Average Drawdown Average peak-to-trough decline	-23.27%	-16.25%	-7.02%
Ulcer Index Depth and duration of drawdowns from previous peaks	6.95%	4.69%	+2.26%

Volatility

WTFC vs. IAK - Volatility Comparison

Wintrust Financial Corporation (WTFC) has a higher volatility of 7.77% compared to iShares U.S. Insurance ETF (IAK) at 4.07%. This indicates that WTFC'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

	WTFC	IAK	Difference
Volatility (1M) Calculated over the trailing 1-month period	7.77%	4.07%	+3.70%
Volatility (6M) Calculated over the trailing 6-month period	20.85%	10.50%	+10.35%
Volatility (1Y) Calculated over the trailing 1-year period	32.29%	18.72%	+13.57%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	32.13%	18.07%	+14.06%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	37.43%	20.89%	+16.54%