TOK vs. IWM

Last updated Jun 4, 2026

TOK (iShares MSCI Kokusai ETF) and IWM (iShares Russell 2000 ETF) are both exchange-traded funds - TOK is a Large Cap Growth Equities fund tracking the MSCI Kokusai Index, while IWM is a Small Cap Blend Equities fund tracking the Russell 2000 Index. Both are passively managed. Over the past 10 years, TOK returned 13.60%/yr vs 10.93%/yr for IWM. A 0.73 correlation means they provide meaningful diversification when combined. TOK charges 0.25%/yr vs 0.19%/yr for IWM.

Performance

TOK vs. IWM - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in iShares MSCI Kokusai ETF (TOK) 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, TOK achieves a 9.75% return, which is significantly lower than IWM's 17.07% return. Over the past 10 years, TOK has outperformed IWM with an annualized return of 13.60%, while IWM has yielded a comparatively lower 10.93% annualized return.

TOK

• 1D: -0.80%
• 1M: 4.53%
• YTD: 9.75%
• 6M: 10.43%
• 1Y: 25.70%
• 3Y*: 20.98%
• 5Y*: 12.18%
• 10Y*: 13.60%

IWM

• 1D: -1.37%
• 1M: 3.52%
• YTD: 17.07%
• 6M: 15.83%
• 1Y: 39.10%
• 3Y*: 17.88%
• 5Y*: 6.11%
• 10Y*: 10.93%

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

TOK vs. IWM - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
TOK iShares MSCI Kokusai ETF	9.75%	20.83%	19.52%	24.76%	-17.93%	23.84%	15.06%	30.05%	-7.83%	22.09%
IWM iShares Russell 2000 ETF	17.07%	12.66%	11.38%	16.83%	-20.48%	14.54%	20.03%	25.39%	-11.12%	14.58%

Correlation

The correlation between TOK and IWM is 0.79, 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	0.79
Correlation (3Y) Calculated over the trailing 3-year period	0.78
Correlation (5Y) Calculated over the trailing 5-year period	0.83
Correlation (10Y) Calculated over the trailing 10-year period	0.78
Correlation (All Time) Calculated using the full available price history since Dec 13, 2007	0.73

The correlation between TOK and IWM has been stable across timeframes, ranging from 0.73 to 0.83 - a consistent structural relationship.

TOK vs. IWM - Sectors Allocation Comparison

Sectors	TOK	IWM
Technology	31.3%	19.5%
Financial Services	14.9%	15.8%
Industrials	9.8%	17.1%
Communication Services	9.0%	2.0%
Consumer Cyclical	9.0%	7.8%
Healthcare	8.7%	15.8%
Consumer Defensive	5.2%	2.1%
Energy	4.0%	6.0%
Basic Materials	3.2%	4.5%
Utilities	2.8%	3.0%
Real Estate	1.7%	5.7%

Return for Risk

TOK vs. IWM — Risk / Return Rank

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

TOK

TOK Risk / Return Rank: 64
TOK Sharpe Ratio Rank: 65
TOK Sortino Ratio Rank: 65
TOK Omega Ratio Rank: 63
TOK Calmar Ratio Rank: 58
TOK Martin Ratio Rank: 70

IWM

IWM Risk / Return Rank: 62
IWM Sharpe Ratio Rank: 59
IWM Sortino Ratio Rank: 59
IWM Omega Ratio Rank: 53
IWM Calmar Ratio Rank: 70
IWM Martin Ratio Rank: 67

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.

TOK vs. IWM - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for iShares MSCI Kokusai ETF (TOK) 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.

	TOK	IWM	Difference
Sharpe ratio Return per unit of total volatility	2.16	2.05	+0.11
Sortino ratio Return per unit of downside risk	3.03	2.85	+0.18
Omega ratio Gain probability vs. loss probability	1.39	1.34	+0.05
Calmar ratio Return relative to maximum drawdown	2.85	3.56	-0.72
Martin ratio Return relative to average drawdown	13.07	12.64	+0.43
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

TOK vs. IWM - Sharpe Ratio Comparison

The current TOK Sharpe Ratio is 2.16, which is comparable to the IWM Sharpe Ratio of 2.05. The chart below compares the historical Sharpe Ratios of TOK 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

	TOK	IWM	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.16	2.05	+0.11
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.77	0.27	+0.50
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.80	0.48	+0.32
Sharpe Ratio (All Time) Calculated using the full available price history	0.43	0.37	+0.07

Drawdowns

TOK vs. IWM - Drawdown Comparison

The maximum TOK drawdown since its inception was -56.18%, roughly equal to the maximum IWM drawdown of -59.05%. Use the drawdown chart below to compare losses from any high point for TOK and IWM.

Drawdown Indicators

	TOK	IWM	Difference
Max Drawdown Largest peak-to-trough decline	-56.18%	-59.05%	+2.87%
Max Drawdown (1Y) Largest decline over 1 year	-9.07%	-11.03%	+1.96%
Max Drawdown (3Y) Largest decline over 3 years	-16.23%	-27.50%	+11.27%
Max Drawdown (5Y) Largest decline over 5 years	-25.86%	-31.91%	+6.05%
Max Drawdown (10Y) Largest decline over 10 years	-34.82%	-41.13%	+6.31%
Current Drawdown Current decline from peak	-0.80%	-1.49%	+0.69%
Average Drawdown Average peak-to-trough decline	-8.52%	-10.77%	+2.25%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.97%	3.10%	-1.13%

Volatility

TOK vs. IWM - Volatility Comparison

The current volatility for iShares MSCI Kokusai ETF (TOK) is 3.23%, while iShares Russell 2000 ETF (IWM) has a volatility of 5.75%. This indicates that TOK experiences smaller price fluctuations and is considered to be less risky than IWM based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	TOK	IWM	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.23%	5.75%	-2.52%
Volatility (6M) Calculated over the trailing 6-month period	9.36%	13.53%	-4.17%
Volatility (1Y) Calculated over the trailing 1-year period	11.94%	19.20%	-7.26%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	15.93%	22.52%	-6.59%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	17.15%	23.04%	-5.89%

TOK vs. IWM - Expense Ratio Comparison

TOK has a 0.25% expense ratio, which is higher than IWM's 0.19% expense ratio. However, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.

Dividends

TOK vs. IWM - Dividend Comparison

TOK's dividend yield for the trailing twelve months is around 1.25%, more than IWM's 0.88% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
IWM iShares Russell 2000 ETF	0.88%	1.04%	1.15%	1.35%	1.48%	0.94%	1.04%	1.26%	1.40%	1.26%	1.38%	1.54%
TOK iShares MSCI Kokusai ETF	1.25%	1.37%	1.66%	1.95%	3.55%	1.66%	1.52%	2.12%	2.74%	2.60%	2.56%	3.02%

Frequently Asked Questions

Can I hold both TOK and IWM in my portfolio?

TOK and IWM have a correlation of 0.79, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, TOK or IWM?

IWM has higher volatility (5.75%) compared to TOK (3.23%). In terms of maximum drawdown, TOK dropped -56.18% vs IWM's -59.05%.

Which ETF is better, TOK or IWM?

On 10-year performance, TOK leads with 13.60% vs 10.93% for IWM. On fees, IWM is cheaper at 0.19% per year. On volatility, TOK has been the lower-risk option at 3.23%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, TOK or IWM?

Over the 10-year period, TOK has performed better with a 13.60% return vs 10.93%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, TOK or IWM?

IWM is cheaper with a 0.19% expense ratio, compared with 0.25% for TOK.

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

TOK has the higher dividend yield at 1.25%, compared with 0.88% for IWM.

What is the main difference between TOK and IWM?

TOK is categorized as Large Cap Growth Equities, while IWM is Small Cap Blend Equities. TOK tracks MSCI Kokusai Index, while IWM tracks Russell 2000 Index. Their fees differ too: 0.25% for TOK and 0.19% for IWM.

Which has better risk-adjusted returns?

TOK currently has the higher Sharpe Ratio (2.16 vs 2.05), 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.