BOSOX vs. PRCGX

Last updated Jun 4, 2026

BOSOX (Boston Trust Small Cap Fund) and PRCGX (Perritt MicroCap Opportunities Fund) are both Small Cap Blend Equities funds. Their correlation of 0.86 suggests significant overlap in exposure. BOSOX charges 1.00%/yr vs 1.56%/yr for PRCGX.

Performance

BOSOX vs. PRCGX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Boston Trust Small Cap Fund (BOSOX) and Perritt MicroCap Opportunities Fund (PRCGX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

BOSOX

• 1D: 0.80%
• 1M: 2.85%
• YTD: 6.63%
• 6M: 4.71%
• 1Y: 6.71%
• 3Y*: 7.74%
• 5Y*: 4.92%
• 10Y*: 10.23%

PRCGX

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

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

BOSOX vs. PRCGX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
BOSOX Boston Trust Small Cap Fund	6.63%	-4.04%	12.52%	10.09%	-9.05%	28.10%	8.27%	38.35%	-6.01%	12.24%
PRCGX Perritt MicroCap Opportunities Fund	13.20%	8.36%	10.29%	12.07%	-16.05%	31.15%	8.88%	9.37%	-17.61%	6.60%

Correlation

The correlation between BOSOX and PRCGX is 0.58, 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	0.58
Correlation (3Y) Calculated over the trailing 3-year period	0.75
Correlation (5Y) Calculated over the trailing 5-year period	0.79
Correlation (10Y) Calculated over the trailing 10-year period	0.81
Correlation (All Time) Calculated using the full available price history since Dec 20, 2005	0.86

Over the past year, the correlation between BOSOX and PRCGX has dropped to 0.58 - well below their long-term average of 0.86, suggesting their price drivers have been diverging.

Return for Risk

BOSOX vs. PRCGX — Risk / Return Rank

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

BOSOX

BOSOX Risk / Return Rank: 7
BOSOX Sharpe Ratio Rank: 6
BOSOX Sortino Ratio Rank: 7
BOSOX Omega Ratio Rank: 6
BOSOX Calmar Ratio Rank: 7
BOSOX Martin Ratio Rank: 7

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.

BOSOX vs. PRCGX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Boston Trust Small Cap Fund (BOSOX) and Perritt MicroCap Opportunities Fund (PRCGX). 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.

	BOSOX	PRCGX	Difference
Sharpe ratio: Return per unit of total volatility	0.53	—	—
Sortino ratio: Return per unit of downside risk	0.89	—	—
Omega ratio: Gain probability vs. loss probability	1.10	—	—
Calmar ratio: Return relative to maximum drawdown	0.74	—	—
Martin ratio: Return relative to average drawdown	2.22	—	—
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

	BOSOX	PRCGX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.53	—	—
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.28	—	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.53	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.43	—	—

Drawdowns

Drawdown Indicators

	BOSOX	PRCGX	Difference
Max Drawdown Largest peak-to-trough decline	-51.32%	—	—
Max Drawdown (1Y) Largest decline over 1 year	-10.69%	—	—
Max Drawdown (3Y) Largest decline over 3 years	-22.36%	—	—
Max Drawdown (5Y) Largest decline over 5 years	-22.36%	—	—
Max Drawdown (10Y) Largest decline over 10 years	-36.79%	—	—
Current Drawdown Current decline from peak	-6.67%	—	—
Average Drawdown Average peak-to-trough decline	-7.27%	—	—
Ulcer Index Depth and duration of drawdowns from previous peaks	3.57%	—	—

Volatility

Volatility by Period

	BOSOX	PRCGX	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.90%	—	—
Volatility (6M) Calculated over the trailing 6-month period	10.08%	—	—
Volatility (1Y) Calculated over the trailing 1-year period	15.10%	—	—
Volatility (5Y) Calculated over the trailing 5-year period, annualized	17.82%	—	—
Volatility (10Y) Calculated over the trailing 10-year period, annualized	19.56%	—	—

BOSOX vs. PRCGX - Expense Ratio Comparison

BOSOX has a 1.00% expense ratio, which is lower than PRCGX's 1.56% expense ratio.

Dividends

BOSOX vs. PRCGX - Dividend Comparison

BOSOX's dividend yield for the trailing twelve months is around 4.14%, less than PRCGX's 12.01% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
BOSOX Boston Trust Small Cap Fund	4.14%	4.41%	6.52%	0.78%	5.09%	8.93%	2.56%	12.46%	16.19%	9.13%	3.14%	18.92%
PRCGX Perritt MicroCap Opportunities Fund	12.01%	8.78%	8.28%	7.34%	3.26%	15.00%	0.00%	3.50%	14.70%	28.27%	9.03%	1.67%

Frequently Asked Questions

Can I hold both BOSOX and PRCGX in my portfolio?

BOSOX and PRCGX have a correlation of 0.58, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.