BUFIX vs. ANDIX

Last updated Jun 4, 2026

BUFIX (Buffalo International Fund) and ANDIX (AQR International Defensive Style Fund) are both Foreign Large Cap Equities funds. Their correlation of 0.86 suggests significant overlap in exposure. BUFIX charges 1.03%/yr vs 0.55%/yr for ANDIX.

Performance

BUFIX vs. ANDIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Buffalo International Fund (BUFIX) and AQR International Defensive Style Fund (ANDIX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

BUFIX

• 1D: 0.14%
• 1M: 9.77%
• YTD: 17.99%
• 6M: 20.64%
• 1Y: 21.31%
• 3Y*: 11.99%
• 5Y*: 6.13%
• 10Y*: 10.25%

ANDIX

• 1D: —
• 1M: —
• YTD: —
• 6M: —
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

BUFIX vs. ANDIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
BUFIX Buffalo International Fund	17.99%	17.09%	-1.90%	18.33%	-21.80%	18.20%	19.10%	28.01%	-8.85%	29.33%
ANDIX AQR International Defensive Style Fund	5.63%	21.41%	2.83%	12.06%	-14.26%	7.59%	8.43%	18.39%	-10.35%	22.86%

Correlation

The correlation between BUFIX and ANDIX is 0.72, 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	0.72
Correlation (3Y) Calculated over the trailing 3-year period	0.84
Correlation (5Y) Calculated over the trailing 5-year period	0.88
Correlation (10Y) Calculated over the trailing 10-year period	0.87
Correlation (All Time) Calculated using the full available price history since Jul 10, 2012	0.86

The correlation between BUFIX and ANDIX shifts across timeframes, from 0.72 (1 year) to 0.88 (5 years), reflecting how their relationship changes across market environments.

Return for Risk

BUFIX vs. ANDIX — Risk / Return Rank

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

BUFIX

BUFIX Risk / Return Rank: 19
BUFIX Sharpe Ratio Rank: 18
BUFIX Sortino Ratio Rank: 18
BUFIX Omega Ratio Rank: 19
BUFIX Calmar Ratio Rank: 20
BUFIX Martin Ratio Rank: 22

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.

BUFIX vs. ANDIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Buffalo International Fund (BUFIX) and AQR International Defensive Style Fund (ANDIX). 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.

	BUFIX	ANDIX	Difference
Sharpe ratio Return per unit of total volatility	1.22	—	—
Sortino ratio Return per unit of downside risk	1.75	—	—
Omega ratio Gain probability vs. loss probability	1.23	—	—
Calmar ratio Return relative to maximum drawdown	1.62	—	—
Martin ratio Return relative to average drawdown	5.65	—	—
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

Sharpe Ratios by Period

	BUFIX	ANDIX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.22	—	—
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.35	—	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.59	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.34	—	—

Drawdowns

Drawdown Indicators

	BUFIX	ANDIX	Difference
Max Drawdown Largest peak-to-trough decline	-55.09%	—	—
Max Drawdown (1Y) Largest decline over 1 year	-12.85%	—	—
Max Drawdown (3Y) Largest decline over 3 years	-15.52%	—	—
Max Drawdown (5Y) Largest decline over 5 years	-34.93%	—	—
Max Drawdown (10Y) Largest decline over 10 years	-34.93%	—	—
Current Drawdown Current decline from peak	0.00%	—	—
Average Drawdown Average peak-to-trough decline	-9.17%	—	—
Ulcer Index Depth and duration of drawdowns from previous peaks	3.68%	—	—

Volatility

Volatility by Period

	BUFIX	ANDIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	7.04%	—	—
Volatility (6M) Calculated over the trailing 6-month period	14.72%	—	—
Volatility (1Y) Calculated over the trailing 1-year period	17.12%	—	—
Volatility (5Y) Calculated over the trailing 5-year period, annualized	17.56%	—	—
Volatility (10Y) Calculated over the trailing 10-year period, annualized	17.52%	—	—

BUFIX vs. ANDIX - Expense Ratio Comparison

BUFIX has a 1.03% expense ratio, which is higher than ANDIX's 0.55% expense ratio.

Dividends

BUFIX vs. ANDIX - Dividend Comparison

BUFIX's dividend yield for the trailing twelve months is around 0.72%, less than ANDIX's 70.16% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
ANDIX AQR International Defensive Style Fund	70.16%	4.74%	2.29%	3.02%	2.00%	2.53%	1.73%	2.51%	2.40%	3.30%	1.47%	2.09%
BUFIX Buffalo International Fund	0.72%	0.85%	0.84%	0.59%	1.85%	1.20%	0.28%	0.57%	2.42%	0.36%	0.00%	0.51%

Frequently Asked Questions

Can I hold both BUFIX and ANDIX in my portfolio?

BUFIX and ANDIX have a correlation of 0.72, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.