PRCGX vs. FDFIX

Last updated Jun 23, 2026

PRCGX (Perritt MicroCap Opportunities Fund) and FDFIX (Fidelity Flex 500 Index Fund) are both mutual funds - PRCGX is a Small Cap Blend Equities fund managed by Perritt, while FDFIX is a Large Cap Blend Equities fund tracking the Fidelity U.S. Large Cap Index. A 0.69 correlation means they provide meaningful diversification when combined. PRCGX charges 1.56%/yr vs 0.00%/yr for FDFIX.

Performance

PRCGX vs. FDFIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Perritt MicroCap Opportunities Fund (PRCGX) and Fidelity Flex 500 Index Fund (FDFIX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

PRCGX

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

FDFIX

• 1D: -0.38%
• 1M: 0.31%
• YTD: 9.64%
• 6M: 8.63%
• 1Y: 25.08%
• 3Y*: 21.26%
• 5Y*: 13.53%
• 10Y*: —

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

PRCGX vs. FDFIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
PRCGX Perritt MicroCap Opportunities Fund	13.20%	8.36%	10.29%	12.07%	-16.05%	31.15%	8.88%	9.37%	-17.61%	11.56%
FDFIX Fidelity Flex 500 Index Fund	9.64%	17.59%	25.06%	26.27%	-18.10%	28.69%	18.46%	31.47%	-4.45%	14.41%

Correlation

The correlation between PRCGX and FDFIX is 0.50, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.50
Correlation (3Y) Calculated over the trailing 3-year period	0.63
Correlation (5Y) Calculated over the trailing 5-year period	0.69
Correlation (All Time) Calculated using the full available price history since Mar 9, 2017	0.69

The correlation between PRCGX and FDFIX shifts across timeframes, from 0.50 (1 year) to 0.69 (all time), reflecting how their relationship changes across market environments.

Return for Risk

PRCGX vs. FDFIX — Risk / Return Rank

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

PRCGX

Risk / return metrics aren't available yet — we need at least 12 months of trading data to calculate them.

FDFIX

FDFIX Risk / Return Rank: 61
FDFIX Sharpe Ratio Rank: 60
FDFIX Sortino Ratio Rank: 54
FDFIX Omega Ratio Rank: 56
FDFIX Calmar Ratio Rank: 65
FDFIX Martin Ratio Rank: 73

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.

PRCGX vs. FDFIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Perritt MicroCap Opportunities Fund (PRCGX) and Fidelity Flex 500 Index Fund (FDFIX). 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.

	PRCGX	FDFIX	Difference
Sharpe ratio: Return per unit of total volatility	—	2.10	—
Sortino ratio: Return per unit of downside risk	—	2.83	—
Omega ratio: Gain probability vs. loss probability	—	1.38	—
Calmar ratio: Return relative to maximum drawdown	—	2.95	—
Martin ratio: Return relative to average drawdown	—	12.98	—

Drawdowns

Drawdown Indicators

	PRCGX	FDFIX	Difference
Max Drawdown Largest peak-to-trough decline	—	-33.77%	—
Max Drawdown (1Y) Largest decline over 1 year	—	-8.99%	—
Max Drawdown (3Y) Largest decline over 3 years	—	-18.76%	—
Max Drawdown (5Y) Largest decline over 5 years	—	-24.51%	—
Current Drawdown Current decline from peak	—	-1.70%	—
Average Drawdown Average peak-to-trough decline	—	-4.56%	—
Ulcer Index Depth and duration of drawdowns from previous peaks	—	2.03%	—

Volatility

Volatility by Period

	PRCGX	FDFIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	—	4.81%	—
Volatility (6M) Calculated over the trailing 6-month period	—	10.00%	—
Volatility (1Y) Calculated over the trailing 1-year period	—	12.64%	—
Volatility (5Y) Calculated over the trailing 5-year period, annualized	—	17.05%	—
Volatility (10Y) Calculated over the trailing 10-year period, annualized	—	18.59%	—

PRCGX vs. FDFIX - Expense Ratio Comparison

PRCGX has a 1.56% expense ratio, which is higher than FDFIX's 0.00% expense ratio.

Dividends

PRCGX vs. FDFIX - Dividend Comparison

PRCGX's dividend yield for the trailing twelve months is around 12.01%, more than FDFIX's 1.04% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
FDFIX Fidelity Flex 500 Index Fund	1.04%	1.11%	1.26%	1.48%	1.70%	1.27%	1.52%	1.78%	2.16%	0.50%	0.00%	0.00%
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 PRCGX and FDFIX in my portfolio?

PRCGX and FDFIX have a correlation of 0.50, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.