PRCT vs. FDFIX

Last updated Jun 3, 2026

PRCT (PROCEPT BioRobotics Corporation) is a stock, while FDFIX (Fidelity Flex 500 Index Fund) is Large Cap Blend Equities fund managed by Fidelity. Over the past 3 years, PRCT returned -6.27%/yr vs 22.53%/yr for FDFIX. At a 0.34 correlation, their price movements are largely independent.

Performance

PRCT vs. FDFIX - Performance Comparison

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

Returns By Period

In the year-to-date period, PRCT achieves a -14.94% return, which is significantly lower than FDFIX's 11.29% return.

PRCT

• 1D: -3.95%
• 1M: 8.65%
• YTD: -14.94%
• 6M: -9.38%
• 1Y: -53.81%
• 3Y*: -6.27%
• 5Y*: —
• 10Y*: —

FDFIX

• 1D: 0.28%
• 1M: 5.37%
• YTD: 11.29%
• 6M: 11.56%
• 1Y: 28.97%
• 3Y*: 22.53%
• 5Y*: 14.07%
• 10Y*: —

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

PRCT vs. FDFIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021
PRCT PROCEPT BioRobotics Corporation	-14.94%	-60.93%	92.13%	0.89%	66.09%	-40.37%
FDFIX Fidelity Flex 500 Index Fund	11.29%	17.59%	25.06%	26.27%	-18.10%	6.73%

Correlation

The correlation between PRCT and FDFIX is 0.27, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.27
Correlation (3Y) Calculated over the trailing 3-year period	0.32
Correlation (All Time) Calculated using the full available price history since Sep 16, 2021	0.34

Return for Risk

PRCT vs. FDFIX — Risk / Return Rank

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

PRCT

PRCT Risk / Return Rank: 9
PRCT Sharpe Ratio Rank: 6
PRCT Sortino Ratio Rank: 6
PRCT Omega Ratio Rank: 8
PRCT Calmar Ratio Rank: 10
PRCT Martin Ratio Rank: 16

FDFIX

FDFIX Risk / Return Rank: 72
FDFIX Sharpe Ratio Rank: 74
FDFIX Sortino Ratio Rank: 65
FDFIX Omega Ratio Rank: 65
FDFIX Calmar Ratio Rank: 73
FDFIX Martin Ratio Rank: 81

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.

PRCT vs. FDFIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for PROCEPT BioRobotics Corporation (PRCT) 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.

	PRCT	FDFIX	Difference
Sharpe ratio Return per unit of total volatility	-0.90	2.49	-3.39
Sortino ratio Return per unit of downside risk	-1.40	3.37	-4.77
Omega ratio Gain probability vs. loss probability	0.84	1.45	-0.60
Calmar ratio Return relative to maximum drawdown	-0.81	3.34	-4.15
Martin ratio Return relative to average drawdown	-1.12	15.29	-16.41
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

PRCT vs. FDFIX - Sharpe Ratio Comparison

The current PRCT Sharpe Ratio is -0.90, which is lower than the FDFIX Sharpe Ratio of 2.49. The chart below compares the historical Sharpe Ratios of PRCT and FDFIX, 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

	PRCT	FDFIX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	-0.90	2.49	-3.39
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	0.84	—
Sharpe Ratio (All Time) Calculated using the full available price history	-0.14	0.82	-0.96

Drawdowns

PRCT vs. FDFIX - Drawdown Comparison

The maximum PRCT drawdown since its inception was -78.17%, which is greater than FDFIX's maximum drawdown of -33.77%. Use the drawdown chart below to compare losses from any high point for PRCT and FDFIX.

Drawdown Indicators

	PRCT	FDFIX	Difference
Max Drawdown Largest peak-to-trough decline	-78.17%	-33.77%	-44.40%
Max Drawdown (1Y) Largest decline over 1 year	-66.63%	-8.99%	-57.64%
Max Drawdown (3Y) Largest decline over 3 years	-78.17%	-18.76%	-59.41%
Max Drawdown (5Y) Largest decline over 5 years	—	-24.51%	—
Current Drawdown Current decline from peak	-73.09%	0.00%	-73.09%
Average Drawdown Average peak-to-trough decline	-31.63%	-4.58%	-27.05%
Ulcer Index Depth and duration of drawdowns from previous peaks	48.01%	1.97%	+46.04%

Volatility

PRCT vs. FDFIX - Volatility Comparison

PROCEPT BioRobotics Corporation (PRCT) has a higher volatility of 20.61% compared to Fidelity Flex 500 Index Fund (FDFIX) at 2.92%. This indicates that PRCT's price experiences larger fluctuations and is considered to be riskier than FDFIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	PRCT	FDFIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	20.61%	2.92%	+17.69%
Volatility (6M) Calculated over the trailing 6-month period	48.31%	9.05%	+39.26%
Volatility (1Y) Calculated over the trailing 1-year period	59.92%	11.98%	+47.94%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	64.87%	16.95%	+47.92%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	64.87%	18.59%	+46.28%

Dividends

PRCT vs. FDFIX - Dividend Comparison

PRCT has not paid dividends to shareholders, while FDFIX's dividend yield for the trailing twelve months is around 1.03%.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017
FDFIX Fidelity Flex 500 Index Fund	1.03%	1.11%	1.26%	1.48%	1.70%	1.27%	1.52%	1.78%	2.16%	0.50%
PRCT PROCEPT BioRobotics Corporation	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both PRCT and FDFIX in my portfolio?

PRCT and FDFIX have a correlation of 0.27, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, PRCT or FDFIX?

PRCT has higher volatility (20.61%) compared to FDFIX (2.92%). In terms of maximum drawdown, PRCT dropped -78.17% vs FDFIX's -33.77%.

Which has better risk-adjusted returns?

FDFIX currently has the higher Sharpe Ratio (2.49 vs -0.90), 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.