INUTX vs. BUFBX

Last updated Jun 4, 2026

INUTX (Columbia Dividend Opportunity Fund) and BUFBX (Buffalo Flexible Income Fund) are both Large Cap Value Equities funds. Over the past 10 years, INUTX returned 10.56%/yr vs 10.00%/yr for BUFBX. A 0.79 correlation means they provide meaningful diversification when combined. INUTX charges 1.06%/yr vs 1.01%/yr for BUFBX.

Performance

INUTX vs. BUFBX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Columbia Dividend Opportunity Fund (INUTX) and Buffalo Flexible Income Fund (BUFBX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

The year-to-date returns for both stocks are quite close, with INUTX having a 13.36% return and BUFBX slightly lower at 12.83%. Over the past 10 years, INUTX has outperformed BUFBX with an annualized return of 10.56%, while BUFBX has yielded a comparatively lower 10.00% annualized return.

INUTX

• 1D: 1.42%
• 1M: 4.49%
• YTD: 13.36%
• 6M: 14.24%
• 1Y: 27.17%
• 3Y*: 17.47%
• 5Y*: 10.67%
• 10Y*: 10.56%

BUFBX

• 1D: 0.57%
• 1M: 3.64%
• YTD: 12.83%
• 6M: 12.77%
• 1Y: 19.88%
• 3Y*: 13.91%
• 5Y*: 11.23%
• 10Y*: 10.00%

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

INUTX vs. BUFBX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
INUTX Columbia Dividend Opportunity Fund	13.36%	15.64%	14.41%	4.88%	-1.68%	26.09%	0.76%	23.31%	-5.32%	12.93%
BUFBX Buffalo Flexible Income Fund	12.83%	10.37%	10.26%	7.42%	3.97%	29.97%	-2.27%	18.76%	-7.01%	13.20%

Correlation

The correlation between INUTX and BUFBX is 0.71, 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	0.71
Correlation (3Y) Calculated over the trailing 3-year period	0.81
Correlation (5Y) Calculated over the trailing 5-year period	0.87
Correlation (10Y) Calculated over the trailing 10-year period	0.89
Correlation (All Time) Calculated using the full available price history since Aug 15, 1994	0.79

The correlation between INUTX and BUFBX shifts across timeframes, from 0.71 (1 year) to 0.89 (10 years), reflecting how their relationship changes across market environments.

Return for Risk

INUTX vs. BUFBX — Risk / Return Rank

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

INUTX

INUTX Risk / Return Rank: 79
INUTX Sharpe Ratio Rank: 85
INUTX Sortino Ratio Rank: 83
INUTX Omega Ratio Rank: 75
INUTX Calmar Ratio Rank: 80
INUTX Martin Ratio Rank: 70

BUFBX

BUFBX Risk / Return Rank: 71
BUFBX Sharpe Ratio Rank: 60
BUFBX Sortino Ratio Rank: 59
BUFBX Omega Ratio Rank: 52
BUFBX Calmar Ratio Rank: 97
BUFBX Martin Ratio Rank: 89

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.

INUTX vs. BUFBX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Columbia Dividend Opportunity Fund (INUTX) and Buffalo Flexible Income Fund (BUFBX). 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.

	INUTX	BUFBX	Difference
Sharpe ratio: Return per unit of total volatility	2.76	2.28	+0.48
Sortino ratio: Return per unit of downside risk	3.93	3.24	+0.69
Omega ratio: Gain probability vs. loss probability	1.49	1.40	+0.09
Calmar ratio: Return relative to maximum drawdown	3.67	7.18	-3.50
Martin ratio: Return relative to average drawdown	13.57	17.54	-3.97
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

INUTX vs. BUFBX - Sharpe Ratio Comparison

The current INUTX Sharpe Ratio is 2.76, which is comparable to the BUFBX Sharpe Ratio of 2.28. The chart below compares the historical Sharpe Ratios of INUTX and BUFBX, 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

	INUTX	BUFBX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.76	2.28	+0.48
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.79	0.84	-0.05
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.67	0.64	+0.03
Sharpe Ratio (All Time) Calculated using the full available price history	0.62	0.59	+0.03

Drawdowns

INUTX vs. BUFBX - Drawdown Comparison

The maximum INUTX drawdown since its inception was -55.57%, which is greater than BUFBX's maximum drawdown of -39.78%. Use the drawdown chart below to compare losses from any high point for INUTX and BUFBX.

Drawdown Indicators

	INUTX	BUFBX	Difference
Max Drawdown Largest peak-to-trough decline	-55.57%	-39.78%	-15.79%
Max Drawdown (1Y) Largest decline over 1 year	-7.60%	-2.83%	-4.77%
Max Drawdown (3Y) Largest decline over 3 years	-14.17%	-12.85%	-1.32%
Max Drawdown (5Y) Largest decline over 5 years	-16.15%	-14.67%	-1.48%
Max Drawdown (10Y) Largest decline over 10 years	-34.77%	-35.51%	+0.74%
Current Drawdown Current decline from peak	0.00%	-0.22%	+0.22%
Average Drawdown Average peak-to-trough decline	-7.67%	-4.72%	-2.95%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.05%	1.16%	+0.89%

Volatility

INUTX vs. BUFBX - Volatility Comparison

The current volatility for Columbia Dividend Opportunity Fund (INUTX) is 2.89%, while Buffalo Flexible Income Fund (BUFBX) has a volatility of 3.06%. This indicates that INUTX experiences smaller price fluctuations and is considered to be less risky than BUFBX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	INUTX	BUFBX	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.89%	3.06%	-0.17%
Volatility (6M) Calculated over the trailing 6-month period	7.57%	6.61%	+0.96%
Volatility (1Y) Calculated over the trailing 1-year period	10.13%	8.93%	+1.20%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	13.60%	13.40%	+0.20%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	15.86%	15.60%	+0.26%

INUTX vs. BUFBX - Expense Ratio Comparison

INUTX has a 1.06% expense ratio, which is higher than BUFBX's 1.01% expense ratio.

Dividends

INUTX vs. BUFBX - Dividend Comparison

INUTX's dividend yield for the trailing twelve months is around 7.15%, less than BUFBX's 7.99% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
BUFBX Buffalo Flexible Income Fund	7.99%	9.10%	3.77%	3.48%	4.16%	5.57%	3.33%	2.73%	6.01%	5.49%	2.39%	3.67%
INUTX Columbia Dividend Opportunity Fund	7.15%	8.05%	7.27%	3.76%	7.82%	12.77%	4.22%	12.47%	12.99%	10.68%	3.84%	5.80%

Frequently Asked Questions

Can I hold both INUTX and BUFBX in my portfolio?

INUTX and BUFBX have a correlation of 0.71, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, INUTX or BUFBX?

BUFBX has higher volatility (3.06%) compared to INUTX (2.89%). In terms of maximum drawdown, INUTX dropped -55.57% vs BUFBX's -39.78%.

Which has better risk-adjusted returns?

INUTX currently has the higher Sharpe Ratio (2.76 vs 2.28), 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.