IRTC vs. PRDO

Last updated Jun 3, 2026

IRTC (iRhythm Technologies, Inc.) and PRDO (Perdoceo Education Corporation) are both stocks. IRTC operates in Medical Devices (Healthcare), while PRDO operates in Education & Training Services (Consumer Defensive). Over the past 5 years, IRTC returned 11.29%/yr vs 23.48%/yr for PRDO. At a 0.20 correlation, their price movements are largely independent.

Performance

IRTC vs. PRDO - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in iRhythm Technologies, Inc. (IRTC) and Perdoceo Education Corporation (PRDO). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, IRTC achieves a -40.54% return, which is significantly lower than PRDO's 14.44% return.

IRTC

• 1D: -3.36%
• 1M: -12.67%
• YTD: -40.54%
• 6M: -41.99%
• 1Y: -24.99%
• 3Y*: -0.05%
• 5Y*: 11.29%
• 10Y*: —

PRDO

• 1D: 1.22%
• 1M: -0.67%
• YTD: 14.44%
• 6M: 17.36%
• 1Y: -0.58%
• 3Y*: 41.66%
• 5Y*: 23.48%
• 10Y*: 19.96%

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

IRTC vs. PRDO - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
IRTC iRhythm Technologies, Inc.	-40.54%	96.78%	-15.76%	14.27%	-20.41%	-50.39%	248.38%	-2.00%	23.96%	86.83%
PRDO Perdoceo Education Corporation	14.44%	12.94%	54.04%	27.99%	18.20%	-6.89%	-31.32%	61.03%	-5.46%	19.72%

Correlation

The correlation between IRTC and PRDO is 0.03, meaning there is essentially no relationship between their price movements. Each responds to its own set of market drivers, making them strong candidates for combining in a diversified portfolio.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.03
Correlation (3Y) Calculated over the trailing 3-year period	0.14
Correlation (5Y) Calculated over the trailing 5-year period	0.18
Correlation (All Time) Calculated using the full available price history since Oct 21, 2016	0.20

The correlation between IRTC and PRDO shifts across timeframes, from 0.03 (1 year) to 0.20 (all time), reflecting how their relationship changes across market environments.

Fundamentals

Market Cap IRTC : $3.43B PRDO : $2.11B
EPS IRTC : -$0.85 PRDO : $2.61
PS Ratio IRTC : 4.35 PRDO : 2.54
PB Ratio IRTC : 21.27 PRDO : 2.11
Total Revenue (TTM) IRTC : $787.85M PRDO : $854.84M
Gross Profit (TTM) IRTC : $559.39M PRDO : $442.47M
EBITDA (TTM) IRTC : -$3.10M PRDO : $269.29M

Return for Risk

IRTC vs. PRDO — Risk / Return Rank

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

IRTC

IRTC Risk / Return Rank: 16
IRTC Sharpe Ratio Rank: 15
IRTC Sortino Ratio Rank: 16
IRTC Omega Ratio Rank: 17
IRTC Calmar Ratio Rank: 20
IRTC Martin Ratio Rank: 13

PRDO

PRDO Risk / Return Rank: 37
PRDO Sharpe Ratio Rank: 40
PRDO Sortino Ratio Rank: 34
PRDO Omega Ratio Rank: 34
PRDO Calmar Ratio Rank: 39
PRDO Martin Ratio Rank: 38

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.

IRTC vs. PRDO - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for iRhythm Technologies, Inc. (IRTC) and Perdoceo Education Corporation (PRDO). 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.

	IRTC	PRDO	Difference
Sharpe ratio Return per unit of total volatility	-0.59	-0.02	-0.57
Sortino ratio Return per unit of downside risk	-0.69	0.18	-0.88
Omega ratio Gain probability vs. loss probability	0.92	1.02	-0.10
Calmar ratio Return relative to maximum drawdown	-0.56	-0.01	-0.55
Martin ratio Return relative to average drawdown	-1.20	-0.03	-1.17
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

IRTC vs. PRDO - Sharpe Ratio Comparison

The current IRTC Sharpe Ratio is -0.59, which is lower than the PRDO Sharpe Ratio of -0.02. The chart below compares the historical Sharpe Ratios of IRTC and PRDO, 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

	IRTC	PRDO	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	-0.59	-0.02	-0.57
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.18	0.67	-0.49
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.53	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.25	0.19	+0.07

Drawdowns

IRTC vs. PRDO - Drawdown Comparison

The maximum IRTC drawdown since its inception was -84.39%, smaller than the maximum PRDO drawdown of -97.10%. Use the drawdown chart below to compare losses from any high point for IRTC and PRDO.

Drawdown Indicators

	IRTC	PRDO	Difference
Max Drawdown Largest peak-to-trough decline	-84.39%	-97.10%	+12.71%
Max Drawdown (1Y) Largest decline over 1 year	-44.25%	-27.22%	-17.03%
Max Drawdown (3Y) Largest decline over 3 years	-53.83%	-27.22%	-26.61%
Max Drawdown (5Y) Largest decline over 5 years	-66.03%	-27.42%	-38.61%
Max Drawdown (10Y) Largest decline over 10 years	—	-64.27%	—
Current Drawdown Current decline from peak	-60.70%	-49.87%	-10.83%
Average Drawdown Average peak-to-trough decline	-37.04%	-60.39%	+23.35%
Ulcer Index Depth and duration of drawdowns from previous peaks	20.80%	12.65%	+8.15%

Volatility

IRTC vs. PRDO - Volatility Comparison

iRhythm Technologies, Inc. (IRTC) has a higher volatility of 12.23% compared to Perdoceo Education Corporation (PRDO) at 8.41%. This indicates that IRTC's price experiences larger fluctuations and is considered to be riskier than PRDO based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	IRTC	PRDO	Difference
Volatility (1M) Calculated over the trailing 1-month period	12.23%	8.41%	+3.82%
Volatility (6M) Calculated over the trailing 6-month period	31.50%	20.88%	+10.62%
Volatility (1Y) Calculated over the trailing 1-year period	42.42%	30.51%	+11.91%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	63.40%	35.13%	+28.27%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	61.79%	38.13%	+23.66%

Dividends

IRTC vs. PRDO - Dividend Comparison

IRTC has not paid dividends to shareholders, while PRDO's dividend yield for the trailing twelve months is around 1.80%.

Position	TTM	2025	2024	2023
IRTC iRhythm Technologies, Inc.	0.00%	0.00%	0.00%	0.00%
PRDO Perdoceo Education Corporation	1.80%	1.91%	1.81%	1.25%

Financials

IRTC vs. PRDO - Profitability Comparison

The chart below illustrates the profitability comparison between iRhythm Technologies, Inc. and Perdoceo Education Corporation over time, highlighting three key metrics: Gross Profit Margin, Operating Margin, and Net Profit Margin.

IRTC - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, iRhythm Technologies, Inc. reported a gross profit of 141.35M and revenue of 199.39M. Therefore, the gross margin over that period was 70.9%.

PRDO - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Perdoceo Education Corporation reported a gross profit of 0.00 and revenue of 221.74M. Therefore, the gross margin over that period was 0.0%.

IRTC - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, iRhythm Technologies, Inc. reported an operating income of -16.19M and revenue of 199.39M, resulting in an operating margin of -8.1%.

PRDO - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Perdoceo Education Corporation reported an operating income of 63.12M and revenue of 221.74M, resulting in an operating margin of 28.5%.

IRTC - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, iRhythm Technologies, Inc. reported a net income of -13.93M and revenue of 199.39M, resulting in a net margin of -7.0%.

PRDO - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Perdoceo Education Corporation reported a net income of 53.95M and revenue of 221.74M, resulting in a net margin of 24.3%.

Frequently Asked Questions

Can I hold both IRTC and PRDO in my portfolio?

IRTC and PRDO have a correlation of 0.03, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, IRTC or PRDO?

IRTC has higher volatility (12.23%) compared to PRDO (8.41%). In terms of maximum drawdown, IRTC dropped -84.39% vs PRDO's -97.10%.

Which has better risk-adjusted returns?

PRDO currently has the higher Sharpe Ratio (-0.02 vs -0.59), 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.