IAK vs. GSIB

Last updated Apr 1, 2026

Compare and contrast key facts about iShares U.S. Insurance ETF (IAK) and Themes Global Systemically Important Banks ETF (GSIB).

IAK and GSIB are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. 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. GSIB is an actively managed fund by Themes. It was launched on Dec 14, 2023.

Performance

IAK vs. GSIB - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in iShares U.S. Insurance ETF (IAK) and Themes Global Systemically Important Banks ETF (GSIB). The values are adjusted to include any dividend payments, if applicable.

IAK vs. GSIB - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023
IAK iShares U.S. Insurance ETF	-4.32%	9.50%	28.25%	2.01%
GSIB Themes Global Systemically Important Banks ETF	-3.15%	61.67%	32.86%	2.35%

Returns By Period

In the year-to-date period, IAK achieves a -4.32% return, which is significantly lower than GSIB's -3.15% return.

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%

GSIB

• 1D: 4.01%
• 1M: -4.96%
• YTD: -3.15%
• 6M: 7.71%
• 1Y: 36.96%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

IAK vs. GSIB - Expense Ratio Comparison

IAK has a 0.43% expense ratio, which is higher than GSIB's 0.35% expense ratio.

IAK

iShares U.S. Insurance ETF

GSIB

Themes Global Systemically Important Banks ETF

Return for Risk

IAK vs. GSIB — Risk / Return Rank

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

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

GSIB

GSIB Risk / Return Rank: 86
GSIB Sharpe Ratio Rank: 88
GSIB Sortino Ratio Rank: 88
GSIB Omega Ratio Rank: 86
GSIB Calmar Ratio Rank: 86
GSIB Martin Ratio Rank: 82

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.

IAK vs. GSIB - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for iShares U.S. Insurance ETF (IAK) and Themes Global Systemically Important Banks ETF (GSIB). 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.

	IAK	GSIB	Difference
Sharpe ratio Return per unit of total volatility	-0.24	1.79	-2.02
Sortino ratio Return per unit of downside risk	-0.20	2.39	-2.59
Omega ratio Gain probability vs. loss probability	0.97	1.34	-0.36
Calmar ratio Return relative to maximum drawdown	-0.28	2.51	-2.79
Martin ratio Return relative to average drawdown	-0.69	8.62	-9.32
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

IAK vs. GSIB - Sharpe Ratio Comparison

The current IAK Sharpe Ratio is -0.24, which is lower than the GSIB Sharpe Ratio of 1.79. The chart below compares the historical Sharpe Ratios of IAK and GSIB, 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

	IAK	GSIB	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	-0.24	1.79	-2.02
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.75	—	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.58	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.26	2.15	-1.89

Correlation

The correlation between IAK and GSIB is 0.38, which is considered to be low. This implies their price changes are not closely related. A low correlation is generally favorable for portfolio diversification, as it helps to reduce overall risk by spreading it across multiple assets with different performance patterns.

Dividends

IAK vs. GSIB - Dividend Comparison

IAK's dividend yield for the trailing twelve months is around 2.75%, more than GSIB's 1.97% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
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%
GSIB Themes Global Systemically Important Banks ETF	1.97%	1.91%	1.67%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Drawdowns

IAK vs. GSIB - Drawdown Comparison

The maximum IAK drawdown since its inception was -77.38%, which is greater than GSIB's maximum drawdown of -17.71%. Use the drawdown chart below to compare losses from any high point for IAK and GSIB.

Drawdown Indicators

	IAK	GSIB	Difference
Max Drawdown Largest peak-to-trough decline	-77.38%	-17.71%	-59.67%
Max Drawdown (1Y) Largest decline over 1 year	-11.58%	-14.59%	+3.01%
Max Drawdown (5Y) Largest decline over 5 years	-14.76%	—	—
Max Drawdown (10Y) Largest decline over 10 years	-44.95%	—	—
Current Drawdown Current decline from peak	-5.59%	-9.87%	+4.28%
Average Drawdown Average peak-to-trough decline	-16.25%	-2.06%	-14.19%
Ulcer Index Depth and duration of drawdowns from previous peaks	4.69%	4.25%	+0.44%

Volatility

IAK vs. GSIB - Volatility Comparison

The current volatility for iShares U.S. Insurance ETF (IAK) is 4.07%, while Themes Global Systemically Important Banks ETF (GSIB) has a volatility of 7.69%. This indicates that IAK experiences smaller price fluctuations and is considered to be less risky than GSIB based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	IAK	GSIB	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.07%	7.69%	-3.62%
Volatility (6M) Calculated over the trailing 6-month period	10.50%	13.05%	-2.55%
Volatility (1Y) Calculated over the trailing 1-year period	18.72%	20.79%	-2.07%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	18.07%	18.39%	-0.32%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	20.89%	18.39%	+2.50%