PVIVX vs. BUFSX

Last updated Jul 15, 2026

PVIVX (Paradigm Micro-cap Fund) and BUFSX (Buffalo Small Cap Fund) are both mutual funds - PVIVX is a Small Cap Blend Equities fund managed by Paradigm Funds, while BUFSX is a Small Cap Growth Equities fund managed by Buffalo. Over the past 10 years, PVIVX returned 14.75%/yr vs 10.68%/yr for BUFSX. Their correlation of 0.85 suggests significant overlap in exposure. PVIVX charges 1.25%/yr vs 1.01%/yr for BUFSX.

Performance

PVIVX vs. BUFSX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Paradigm Micro-cap Fund (PVIVX) and Buffalo Small Cap Fund (BUFSX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, PVIVX achieves a 39.62% return, which is significantly higher than BUFSX's 14.27% return. Over the past 10 years, PVIVX has outperformed BUFSX with an annualized return of 14.75%, while BUFSX has yielded a comparatively lower 10.68% annualized return.

PVIVX

• 1D: -1.20%
• 1M: 3.85%
• 6M: 34.37%
• YTD: 39.62%
• 1Y: 50.19%
• 3Y*: 15.43%
• 5Y*: 8.38%
• 10Y*: 14.75%

BUFSX

• 1D: -1.79%
• 1M: 0.47%
• 6M: 7.33%
• YTD: 14.27%
• 1Y: 16.22%
• 3Y*: 4.85%
• 5Y*: -3.15%
• 10Y*: 10.68%

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

PVIVX vs. BUFSX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
PVIVX Paradigm Micro-cap Fund	39.62%	-4.81%	13.48%	17.89%	-20.62%	27.94%	46.96%	22.38%	-10.88%	15.82%
BUFSX Buffalo Small Cap Fund	14.27%	-0.13%	5.38%	5.45%	-30.01%	4.44%	66.49%	40.97%	-5.73%	26.96%

Correlation

The correlation between PVIVX and BUFSX is 0.87, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.87
Correlation (3Y) Calculated over the trailing 3-year period	0.86
Correlation (5Y) Calculated over the trailing 5-year period	0.88
Correlation (10Y) Calculated over the trailing 10-year period	0.84
Correlation (All Time) Calculated using the full available price history since Jan 8, 2008	0.85

The correlation between PVIVX and BUFSX has been stable across timeframes, ranging from 0.84 to 0.88 - a consistent structural relationship.

Return for Risk

PVIVX vs. BUFSX — Risk / Return Rank

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

PVIVX

PVIVX Risk / Return Rank: 72
PVIVX Sharpe Ratio Rank: 73
PVIVX Sortino Ratio Rank: 69
PVIVX Omega Ratio Rank: 58
PVIVX Calmar Ratio Rank: 86
PVIVX Martin Ratio Rank: 76

BUFSX

BUFSX Risk / Return Rank: 18
BUFSX Sharpe Ratio Rank: 16
BUFSX Sortino Ratio Rank: 18
BUFSX Omega Ratio Rank: 16
BUFSX Calmar Ratio Rank: 18
BUFSX Martin Ratio Rank: 23

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.

PVIVX vs. BUFSX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Paradigm Micro-cap Fund (PVIVX) and Buffalo Small Cap Fund (BUFSX). 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.

	PVIVX	BUFSX	Difference
Sharpe ratio: Return per unit of total volatility	1.89	0.83	+1.06
Sortino ratio: Return per unit of downside risk	2.61	1.31	+1.30
Omega ratio: Gain probability vs. loss probability	1.31	1.15	+0.16
Calmar ratio: Return relative to maximum drawdown	3.32	1.11	+2.21
Martin ratio: Return relative to average drawdown	10.73	4.03	+6.70

PVIVX vs. BUFSX - Sharpe Ratio Comparison

The current PVIVX Sharpe Ratio is 1.89, which is higher than the BUFSX Sharpe Ratio of 0.83. The chart below compares the historical Sharpe Ratios of PVIVX and BUFSX, 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

PVIVX vs. BUFSX - Drawdown Comparison

The maximum PVIVX drawdown since its inception was -95.67%, which is greater than BUFSX's maximum drawdown of -53.24%. Use the drawdown chart below to compare losses from any high point for PVIVX and BUFSX.

Drawdown Indicators

	PVIVX	BUFSX	Difference
Max Drawdown Largest peak-to-trough decline	-95.67%	-53.24%	-42.43%
Max Drawdown (1Y) Largest decline over 1 year	-14.84%	-14.92%	+0.08%
Max Drawdown (3Y) Largest decline over 3 years	-95.67%	-26.39%	-69.28%
Max Drawdown (5Y) Largest decline over 5 years	-95.67%	-46.57%	-49.10%
Max Drawdown (10Y) Largest decline over 10 years	-95.67%	-46.74%	-48.93%
Current Drawdown Current decline from peak	-92.34%	-22.17%	-70.17%
Average Drawdown Average peak-to-trough decline	-17.32%	-12.94%	-4.38%
Ulcer Index Depth and duration of drawdowns from previous peaks	4.58%	4.09%	+0.49%

Volatility

PVIVX vs. BUFSX - Volatility Comparison

Paradigm Micro-cap Fund (PVIVX) has a higher volatility of 8.83% compared to Buffalo Small Cap Fund (BUFSX) at 7.06%. This indicates that PVIVX's price experiences larger fluctuations and is considered to be riskier than BUFSX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	PVIVX	BUFSX	Difference
Volatility (1M) Calculated over the trailing 1-month period	8.83%	7.06%	+1.77%
Volatility (6M) Calculated over the trailing 6-month period	19.30%	14.89%	+4.41%
Volatility (1Y) Calculated over the trailing 1-year period	26.11%	19.99%	+6.12%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	887.71%	24.64%	+863.07%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	627.91%	24.57%	+603.34%

PVIVX vs. BUFSX - Expense Ratio Comparison

PVIVX has a 1.25% expense ratio, which is higher than BUFSX's 1.01% expense ratio.

Dividends

PVIVX vs. BUFSX - Dividend Comparison

PVIVX's dividend yield for the trailing twelve months is around 11.41%, while BUFSX has not paid dividends to shareholders.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
BUFSX Buffalo Small Cap Fund	0.00%	0.00%	0.00%	0.00%	0.00%	13.53%	9.01%	9.14%	31.02%	30.30%	25.19%	70.18%
PVIVX Paradigm Micro-cap Fund	11.41%	15.93%	6.40%	0.00%	0.00%	1.11%	5.25%	0.01%	14.09%	6.88%	3.61%	1.32%

Frequently Asked Questions

Can I hold both PVIVX and BUFSX in my portfolio?

PVIVX and BUFSX have a correlation of 0.87, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, PVIVX or BUFSX?

PVIVX has higher volatility (8.83%) compared to BUFSX (7.06%). In terms of maximum drawdown, PVIVX dropped -95.67% vs BUFSX's -53.24%.

Which has better risk-adjusted returns?

PVIVX currently has the higher Sharpe Ratio (1.89 vs 0.83), 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.