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BUFBX vs. NFLY
Performance
Risk-Adjusted Performance
Dividends
Drawdowns
Volatility

Correlation

The correlation between BUFBX and NFLY is 0.68, which is considered to be moderate. This suggests that the two assets have some degree of positive relationship in their price movements. Moderate correlation can be acceptable for portfolio diversification, offering a balance between risk and potential returns.


Performance

BUFBX vs. NFLY - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Buffalo Flexible Income Fund (BUFBX) and YieldMax NFLX Option Income Strategy ETF (NFLY). The values are adjusted to include any dividend payments, if applicable.

0.00%20.00%40.00%60.00%80.00%100.00%December2025FebruaryMarchAprilMay
10.40%
106.39%
BUFBX
NFLY

Key characteristics

Sharpe Ratio

BUFBX:

0.13

NFLY:

2.83

Sortino Ratio

BUFBX:

0.28

NFLY:

3.58

Omega Ratio

BUFBX:

1.04

NFLY:

1.53

Calmar Ratio

BUFBX:

0.14

NFLY:

4.65

Martin Ratio

BUFBX:

0.48

NFLY:

16.41

Ulcer Index

BUFBX:

3.97%

NFLY:

4.56%

Daily Std Dev

BUFBX:

14.25%

NFLY:

26.42%

Max Drawdown

BUFBX:

-40.50%

NFLY:

-21.45%

Current Drawdown

BUFBX:

-6.64%

NFLY:

-0.78%

Returns By Period

In the year-to-date period, BUFBX achieves a 0.69% return, which is significantly lower than NFLY's 19.92% return.


BUFBX

YTD

0.69%

1M

5.34%

6M

-3.02%

1Y

0.21%

5Y*

10.76%

10Y*

5.45%

NFLY

YTD

19.92%

1M

25.49%

6M

32.32%

1Y

69.68%

5Y*

N/A

10Y*

N/A

*Annualized

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BUFBX vs. NFLY - Expense Ratio Comparison

BUFBX has a 1.01% expense ratio, which is higher than NFLY's 0.99% expense ratio.


Risk-Adjusted Performance

BUFBX vs. NFLY — Risk-Adjusted Performance Rank

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

BUFBX
The Risk-Adjusted Performance Rank of BUFBX is 2424
Overall Rank
The Sharpe Ratio Rank of BUFBX is 2323
Sharpe Ratio Rank
The Sortino Ratio Rank of BUFBX is 2222
Sortino Ratio Rank
The Omega Ratio Rank of BUFBX is 2323
Omega Ratio Rank
The Calmar Ratio Rank of BUFBX is 2727
Calmar Ratio Rank
The Martin Ratio Rank of BUFBX is 2626
Martin Ratio Rank

NFLY
The Risk-Adjusted Performance Rank of NFLY is 9797
Overall Rank
The Sharpe Ratio Rank of NFLY is 9797
Sharpe Ratio Rank
The Sortino Ratio Rank of NFLY is 9696
Sortino Ratio Rank
The Omega Ratio Rank of NFLY is 9696
Omega Ratio Rank
The Calmar Ratio Rank of NFLY is 9797
Calmar Ratio Rank
The Martin Ratio Rank of NFLY is 9797
Martin Ratio Rank
The risk-adjusted ranks indicate the investment's position relative to the market. A rank closer to 100 signifies top-performing investments, while a rank closer to 0 might suggest underperformance, based on the selected ratio. The values are calculated based on the past 12 months of returns.

BUFBX vs. NFLY - Risk-Adjusted Performance Comparison

This table presents a comparison of risk-adjusted performance metrics for Buffalo Flexible Income Fund (BUFBX) and YieldMax NFLX Option Income Strategy ETF (NFLY). 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.


The current BUFBX Sharpe Ratio is 0.13, which is lower than the NFLY Sharpe Ratio of 2.83. The chart below compares the historical Sharpe Ratios of BUFBX and NFLY, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.


Rolling 12-month Sharpe Ratio-1.000.001.002.003.00December2025FebruaryMarchAprilMay
0.10
2.83
BUFBX
NFLY

Dividends

BUFBX vs. NFLY - Dividend Comparison

BUFBX's dividend yield for the trailing twelve months is around 3.89%, less than NFLY's 45.32% yield.


TTM20242023202220212020201920182017201620152014
BUFBX
Buffalo Flexible Income Fund
3.89%3.77%3.48%4.16%5.57%3.33%2.91%6.01%5.49%3.16%3.67%2.30%
NFLY
YieldMax NFLX Option Income Strategy ETF
45.32%49.91%11.84%0.00%0.00%0.00%0.00%0.00%0.00%0.00%0.00%0.00%

Drawdowns

BUFBX vs. NFLY - Drawdown Comparison

The maximum BUFBX drawdown since its inception was -40.50%, which is greater than NFLY's maximum drawdown of -21.45%. Use the drawdown chart below to compare losses from any high point for BUFBX and NFLY. For additional features, visit the drawdowns tool.


-15.00%-10.00%-5.00%0.00%December2025FebruaryMarchAprilMay
-6.64%
-0.78%
BUFBX
NFLY

Volatility

BUFBX vs. NFLY - Volatility Comparison

The current volatility for Buffalo Flexible Income Fund (BUFBX) is 8.30%, while YieldMax NFLX Option Income Strategy ETF (NFLY) has a volatility of 9.79%. This indicates that BUFBX experiences smaller price fluctuations and is considered to be less risky than NFLY based on this measure. The chart below showcases a comparison of their rolling one-month volatility.


2.00%4.00%6.00%8.00%10.00%12.00%14.00%December2025FebruaryMarchAprilMay
8.30%
9.79%
BUFBX
NFLY