WGROX vs. WAIOX

Last updated Jun 4, 2026

WGROX (Wasatch Core Growth Fund) and WAIOX (Wasatch International Opportunities Fund) are both mutual funds - WGROX is a Small Cap Growth Equities fund managed by Wasatch, while WAIOX is a Foreign Small & Mid Cap Equities fund managed by Wasatch. Over the past 10 years, WGROX returned 10.88%/yr vs 4.20%/yr for WAIOX. A 0.54 correlation means they provide meaningful diversification when combined. WGROX charges 1.17%/yr vs 1.96%/yr for WAIOX.

Performance

WGROX vs. WAIOX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Wasatch Core Growth Fund (WGROX) and Wasatch International Opportunities Fund (WAIOX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, WGROX achieves a 3.76% return, which is significantly lower than WAIOX's 9.50% return. Over the past 10 years, WGROX has outperformed WAIOX with an annualized return of 10.88%, while WAIOX has yielded a comparatively lower 4.20% annualized return.

WGROX

• 1D: 0.98%
• 1M: 4.58%
• YTD: 3.76%
• 6M: 0.92%
• 1Y: -0.46%
• 3Y*: 8.93%
• 5Y*: 1.10%
• 10Y*: 10.88%

WAIOX

• 1D: 1.55%
• 1M: 4.81%
• YTD: 9.50%
• 6M: 9.73%
• 1Y: -0.09%
• 3Y*: 5.75%
• 5Y*: -5.83%
• 10Y*: 4.20%

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

WGROX vs. WAIOX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
WGROX Wasatch Core Growth Fund	3.76%	-10.37%	13.13%	33.43%	-30.86%	20.76%	36.73%	33.31%	-3.75%	24.29%
WAIOX Wasatch International Opportunities Fund	9.50%	2.57%	-4.49%	10.64%	-36.63%	-1.36%	41.75%	32.19%	-14.69%	27.69%

Correlation

The correlation between WGROX and WAIOX is 0.51, 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	0.51
Correlation (3Y) Calculated over the trailing 3-year period	0.57
Correlation (5Y) Calculated over the trailing 5-year period	0.60
Correlation (10Y) Calculated over the trailing 10-year period	0.54
Correlation (All Time) Calculated using the full available price history since Jan 28, 2005	0.54

The correlation between WGROX and WAIOX has been stable across timeframes, ranging from 0.51 to 0.60 - a consistent structural relationship.

Return for Risk

WGROX vs. WAIOX — Risk / Return Rank

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

WGROX

WGROX Risk / Return Rank: 3
WGROX Sharpe Ratio Rank: 3
WGROX Sortino Ratio Rank: 3
WGROX Omega Ratio Rank: 3
WGROX Calmar Ratio Rank: 3
WGROX Martin Ratio Rank: 3

WAIOX

WAIOX Risk / Return Rank: 2
WAIOX Sharpe Ratio Rank: 2
WAIOX Sortino Ratio Rank: 2
WAIOX Omega Ratio Rank: 2
WAIOX Calmar Ratio Rank: 2
WAIOX Martin Ratio Rank: 2

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.

WGROX vs. WAIOX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Wasatch Core Growth Fund (WGROX) and Wasatch International Opportunities Fund (WAIOX). 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.

	WGROX	WAIOX	Difference
Sharpe ratio: Return per unit of total volatility	0.05	-0.05	+0.10
Sortino ratio: Return per unit of downside risk	0.21	0.03	+0.18
Omega ratio: Gain probability vs. loss probability	1.02	1.00	+0.02
Calmar ratio: Return relative to maximum drawdown	0.06	-0.03	+0.09
Martin ratio: Return relative to average drawdown	0.15	-0.07	+0.22
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

WGROX vs. WAIOX - Sharpe Ratio Comparison

The current WGROX Sharpe Ratio is 0.05, which is higher than the WAIOX Sharpe Ratio of -0.05. The chart below compares the historical Sharpe Ratios of WGROX and WAIOX, 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

	WGROX	WAIOX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.05	-0.05	+0.10
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.05	-0.34	+0.39
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.47	0.25	+0.21
Sharpe Ratio (All Time) Calculated using the full available price history	0.55	0.42	+0.13

Drawdowns

WGROX vs. WAIOX - Drawdown Comparison

The maximum WGROX drawdown since its inception was -61.61%, smaller than the maximum WAIOX drawdown of -68.04%. Use the drawdown chart below to compare losses from any high point for WGROX and WAIOX.

Drawdown Indicators

	WGROX	WAIOX	Difference
Max Drawdown Largest peak-to-trough decline	-61.61%	-68.04%	+6.43%
Max Drawdown (1Y) Largest decline over 1 year	-15.89%	-21.23%	+5.34%
Max Drawdown (3Y) Largest decline over 3 years	-27.61%	-21.23%	-6.38%
Max Drawdown (5Y) Largest decline over 5 years	-40.16%	-50.21%	+10.05%
Max Drawdown (10Y) Largest decline over 10 years	-40.16%	-50.21%	+10.05%
Current Drawdown Current decline from peak	-15.83%	-31.99%	+16.16%
Average Drawdown Average peak-to-trough decline	-9.90%	-16.81%	+6.91%
Ulcer Index Depth and duration of drawdowns from previous peaks	6.31%	10.48%	-4.17%

Volatility

WGROX vs. WAIOX - Volatility Comparison

Wasatch Core Growth Fund (WGROX) has a higher volatility of 5.41% compared to Wasatch International Opportunities Fund (WAIOX) at 3.99%. This indicates that WGROX's price experiences larger fluctuations and is considered to be riskier than WAIOX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	WGROX	WAIOX	Difference
Volatility (1M) Calculated over the trailing 1-month period	5.41%	3.99%	+1.42%
Volatility (6M) Calculated over the trailing 6-month period	14.08%	11.83%	+2.25%
Volatility (1Y) Calculated over the trailing 1-year period	19.16%	14.42%	+4.74%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	23.00%	17.10%	+5.90%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	23.33%	16.55%	+6.78%

WGROX vs. WAIOX - Expense Ratio Comparison

WGROX has a 1.17% expense ratio, which is lower than WAIOX's 1.96% expense ratio.

Dividends

WGROX vs. WAIOX - Dividend Comparison

WGROX's dividend yield for the trailing twelve months is around 8.24%, less than WAIOX's 62.37% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
WAIOX Wasatch International Opportunities Fund	62.37%	68.29%	0.00%	0.00%	0.00%	14.35%	1.98%	2.38%	2.73%	7.00%	0.00%	4.76%
WGROX Wasatch Core Growth Fund	8.24%	8.55%	9.22%	0.00%	0.71%	16.82%	7.21%	10.73%	10.14%	6.24%	0.15%	12.70%

Frequently Asked Questions

Can I hold both WGROX and WAIOX in my portfolio?

WGROX and WAIOX have a correlation of 0.51, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, WGROX or WAIOX?

WGROX has higher volatility (5.41%) compared to WAIOX (3.99%). In terms of maximum drawdown, WGROX dropped -61.61% vs WAIOX's -68.04%.

Which has better risk-adjusted returns?

WGROX currently has the higher Sharpe Ratio (0.05 vs -0.05), 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.