PXTIX vs. BUFBX

Last updated Jun 23, 2026

PXTIX (PIMCO RAE PLUS Fund) and BUFBX (Buffalo Flexible Income Fund) are both Large Cap Value Equities funds. Over the past 10 years, PXTIX returned 14.23%/yr vs 9.49%/yr for BUFBX. Their correlation of 0.85 suggests significant overlap in exposure. PXTIX charges 0.80%/yr vs 1.01%/yr for BUFBX.

Performance

PXTIX vs. BUFBX - Performance Comparison

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

Returns By Period

In the year-to-date period, PXTIX achieves a 17.69% return, which is significantly higher than BUFBX's 8.04% return. Over the past 10 years, PXTIX has outperformed BUFBX with an annualized return of 14.23%, while BUFBX has yielded a comparatively lower 9.49% annualized return.

PXTIX

• 1D: -0.12%
• 1M: 0.38%
• YTD: 17.69%
• 6M: 15.77%
• 1Y: 37.35%
• 3Y*: 23.78%
• 5Y*: 14.34%
• 10Y*: 14.23%

BUFBX

• 1D: -0.69%
• 1M: -4.45%
• YTD: 8.04%
• 6M: 8.15%
• 1Y: 14.29%
• 3Y*: 11.59%
• 5Y*: 10.73%
• 10Y*: 9.49%

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

PXTIX vs. BUFBX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
PXTIX PIMCO RAE PLUS Fund	17.69%	20.59%	17.25%	18.55%	-8.62%	27.45%	4.32%	26.57%	-8.04%	19.31%
BUFBX Buffalo Flexible Income Fund	8.04%	10.37%	10.26%	7.42%	3.97%	29.97%	-2.27%	18.76%	-7.01%	13.20%

Correlation

The correlation between PXTIX and BUFBX is 0.61, 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	0.61
Correlation (3Y) Calculated over the trailing 3-year period	0.72
Correlation (5Y) Calculated over the trailing 5-year period	0.80
Correlation (10Y) Calculated over the trailing 10-year period	0.84
Correlation (All Time) Calculated using the full available price history since Jan 3, 2006	0.85

Over the past year, the correlation between PXTIX and BUFBX has dropped to 0.61 - well below their long-term average of 0.85, suggesting their price drivers have been diverging.

Return for Risk

PXTIX vs. BUFBX — Risk / Return Rank

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

PXTIX

PXTIX Risk / Return Rank: 91
PXTIX Sharpe Ratio Rank: 92
PXTIX Sortino Ratio Rank: 88
PXTIX Omega Ratio Rank: 82
PXTIX Calmar Ratio Rank: 97
PXTIX Martin Ratio Rank: 95

BUFBX

BUFBX Risk / Return Rank: 47
BUFBX Sharpe Ratio Rank: 34
BUFBX Sortino Ratio Rank: 32
BUFBX Omega Ratio Rank: 30
BUFBX Calmar Ratio Rank: 75
BUFBX Martin Ratio Rank: 63

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.

PXTIX vs. BUFBX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for PIMCO RAE PLUS Fund (PXTIX) 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.

Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.

	PXTIX	BUFBX	Difference
Sharpe ratio: Return per unit of total volatility	2.85	1.56	+1.29
Sortino ratio: Return per unit of downside risk	3.91	2.19	+1.71
Omega ratio: Gain probability vs. loss probability	1.50	1.27	+0.23
Calmar ratio: Return relative to maximum drawdown	6.10	3.21	+2.89
Martin ratio: Return relative to average drawdown	20.49	11.59	+8.90

PXTIX vs. BUFBX - Sharpe Ratio Comparison

The current PXTIX Sharpe Ratio is 2.85, which is higher than the BUFBX Sharpe Ratio of 1.56. The chart below compares the historical Sharpe Ratios of PXTIX 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.

Drawdowns

PXTIX vs. BUFBX - Drawdown Comparison

The maximum PXTIX drawdown since its inception was -59.22%, which is greater than BUFBX's maximum drawdown of -39.78%. Use the drawdown chart below to compare losses from any high point for PXTIX and BUFBX.

Drawdown Indicators

	PXTIX	BUFBX	Difference
Max Drawdown Largest peak-to-trough decline	-59.22%	-39.78%	-19.44%
Max Drawdown (1Y) Largest decline over 1 year	-6.30%	-4.45%	-1.85%
Max Drawdown (3Y) Largest decline over 3 years	-19.08%	-12.85%	-6.23%
Max Drawdown (5Y) Largest decline over 5 years	-22.90%	-14.67%	-8.23%
Max Drawdown (10Y) Largest decline over 10 years	-44.16%	-35.51%	-8.65%
Current Drawdown Current decline from peak	-3.67%	-4.45%	+0.78%
Average Drawdown Average peak-to-trough decline	-6.12%	-4.72%	-1.40%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.87%	1.23%	+0.64%

Volatility

PXTIX vs. BUFBX - Volatility Comparison

PIMCO RAE PLUS Fund (PXTIX) has a higher volatility of 4.72% compared to Buffalo Flexible Income Fund (BUFBX) at 3.42%. This indicates that PXTIX's price experiences larger fluctuations and is considered to be riskier than BUFBX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	PXTIX	BUFBX	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.72%	3.42%	+1.30%
Volatility (6M) Calculated over the trailing 6-month period	9.91%	6.93%	+2.98%
Volatility (1Y) Calculated over the trailing 1-year period	13.51%	9.18%	+4.33%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	17.49%	13.42%	+4.07%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	19.40%	15.61%	+3.79%

PXTIX vs. BUFBX - Expense Ratio Comparison

PXTIX has a 0.80% expense ratio, which is lower than BUFBX's 1.01% expense ratio.

Dividends

PXTIX vs. BUFBX - Dividend Comparison

PXTIX's dividend yield for the trailing twelve months is around 6.74%, less than BUFBX's 8.43% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
BUFBX Buffalo Flexible Income Fund	8.43%	9.10%	3.77%	3.48%	4.16%	5.57%	3.33%	2.73%	6.01%	5.49%	2.39%	3.67%
PXTIX PIMCO RAE PLUS Fund	6.74%	6.65%	12.78%	2.58%	19.25%	17.53%	7.42%	15.90%	14.04%	7.34%	0.00%	6.60%

Frequently Asked Questions

Can I hold both PXTIX and BUFBX in my portfolio?

PXTIX and BUFBX have a correlation of 0.61, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, PXTIX or BUFBX?

PXTIX has higher volatility (4.72%) compared to BUFBX (3.42%). In terms of maximum drawdown, PXTIX dropped -59.22% vs BUFBX's -39.78%.

Which has better risk-adjusted returns?

PXTIX currently has the higher Sharpe Ratio (2.85 vs 1.56), 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.