VIISX vs. FSTSX

Last updated Apr 1, 2026

Compare and contrast key facts about Virtus KAR International Small-Mid Cap Fund (VIISX) and Fidelity Series International Small Cap Fund (FSTSX).

VIISX is managed by Virtus. It was launched on Sep 4, 2012. FSTSX is managed by Fidelity. It was launched on Dec 3, 2009.

Performance

VIISX vs. FSTSX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Virtus KAR International Small-Mid Cap Fund (VIISX) and Fidelity Series International Small Cap Fund (FSTSX). The values are adjusted to include any dividend payments, if applicable.

VIISX vs. FSTSX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
VIISX Virtus KAR International Small-Mid Cap Fund	-8.80%	14.30%	4.06%	22.36%	-34.42%	5.84%	24.38%	27.62%	-6.81%	28.48%
FSTSX Fidelity Series International Small Cap Fund	-4.92%	27.49%	4.97%	18.36%	-26.25%	18.29%	19.61%	28.24%	-13.19%	34.44%

Returns By Period

In the year-to-date period, VIISX achieves a -8.80% return, which is significantly lower than FSTSX's -4.92% return. Over the past 10 years, VIISX has underperformed FSTSX with an annualized return of 7.50%, while FSTSX has yielded a comparatively higher 8.86% annualized return.

VIISX

• 1D: -0.21%
• 1M: -11.13%
• YTD: -8.80%
• 6M: -10.48%
• 1Y: -2.45%
• 3Y*: 7.01%
• 5Y*: -1.71%
• 10Y*: 7.50%

FSTSX

• 1D: -0.18%
• 1M: -11.22%
• YTD: -4.92%
• 6M: -3.31%
• 1Y: 17.66%
• 3Y*: 11.76%
• 5Y*: 5.42%
• 10Y*: 8.86%

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

VIISX vs. FSTSX - Expense Ratio Comparison

VIISX has a 1.19% expense ratio, which is higher than FSTSX's 0.03% expense ratio.

VIISX

Virtus KAR International Small-Mid Cap Fund

FSTSX

Fidelity Series International Small Cap Fund

Return for Risk

VIISX vs. FSTSX — Risk / Return Rank

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

VIISX

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

FSTSX

FSTSX Risk / Return Rank: 53
FSTSX Sharpe Ratio Rank: 58
FSTSX Sortino Ratio Rank: 56
FSTSX Omega Ratio Rank: 51
FSTSX Calmar Ratio Rank: 55
FSTSX Martin Ratio Rank: 46

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.

VIISX vs. FSTSX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Virtus KAR International Small-Mid Cap Fund (VIISX) and Fidelity Series International Small Cap Fund (FSTSX). 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.

	VIISX	FSTSX	Difference
Sharpe ratio Return per unit of total volatility	-0.25	1.05	-1.30
Sortino ratio Return per unit of downside risk	-0.25	1.48	-1.72
Omega ratio Gain probability vs. loss probability	0.97	1.21	-0.24
Calmar ratio Return relative to maximum drawdown	-0.29	1.30	-1.58
Martin ratio Return relative to average drawdown	-0.73	4.56	-5.30
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

VIISX vs. FSTSX - Sharpe Ratio Comparison

The current VIISX Sharpe Ratio is -0.25, which is lower than the FSTSX Sharpe Ratio of 1.05. The chart below compares the historical Sharpe Ratios of VIISX and FSTSX, 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

	VIISX	FSTSX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	-0.25	1.05	-1.30
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	-0.11	0.33	-0.44
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.49	0.56	-0.07
Sharpe Ratio (All Time) Calculated using the full available price history	0.53	0.58	-0.04

Correlation

The correlation between VIISX and FSTSX is 0.80, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.

Dividends

VIISX vs. FSTSX - Dividend Comparison

VIISX's dividend yield for the trailing twelve months is around 4.08%, less than FSTSX's 16.03% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
VIISX Virtus KAR International Small-Mid Cap Fund	4.08%	3.72%	1.94%	0.00%	0.00%	8.43%	1.16%	1.98%	1.42%	1.82%	2.75%	3.43%
FSTSX Fidelity Series International Small Cap Fund	16.03%	15.24%	10.22%	3.34%	6.38%	13.22%	0.81%	4.27%	10.99%	6.30%	4.01%	7.32%

Drawdowns

VIISX vs. FSTSX - Drawdown Comparison

The maximum VIISX drawdown since its inception was -50.31%, which is greater than FSTSX's maximum drawdown of -38.91%. Use the drawdown chart below to compare losses from any high point for VIISX and FSTSX.

Drawdown Indicators

	VIISX	FSTSX	Difference
Max Drawdown Largest peak-to-trough decline	-50.31%	-38.91%	-11.40%
Max Drawdown (1Y) Largest decline over 1 year	-14.94%	-11.22%	-3.72%
Max Drawdown (5Y) Largest decline over 5 years	-50.31%	-38.91%	-11.40%
Max Drawdown (10Y) Largest decline over 10 years	-50.31%	-38.91%	-11.40%
Current Drawdown Current decline from peak	-19.71%	-11.22%	-8.49%
Average Drawdown Average peak-to-trough decline	-11.24%	-7.95%	-3.29%
Ulcer Index Depth and duration of drawdowns from previous peaks	5.84%	3.19%	+2.65%

Volatility

VIISX vs. FSTSX - Volatility Comparison

The current volatility for Virtus KAR International Small-Mid Cap Fund (VIISX) is 5.02%, while Fidelity Series International Small Cap Fund (FSTSX) has a volatility of 6.05%. This indicates that VIISX experiences smaller price fluctuations and is considered to be less risky than FSTSX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	VIISX	FSTSX	Difference
Volatility (1M) Calculated over the trailing 1-month period	5.02%	6.05%	-1.03%
Volatility (6M) Calculated over the trailing 6-month period	8.59%	9.68%	-1.09%
Volatility (1Y) Calculated over the trailing 1-year period	13.85%	15.21%	-1.36%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	16.06%	16.26%	-0.20%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	15.33%	15.80%	-0.47%