IRTC vs. RYTM
IRTC (iRhythm Technologies, Inc.) and RYTM (Rhythm Pharmaceuticals, Inc.) are both stocks. Both are in the Healthcare sector — IRTC in Medical Devices, RYTM in Biotechnology. Over the past 5 years, IRTC returned 12.21%/yr vs 35.88%/yr for RYTM. At a 0.23 correlation, their price movements are largely independent.
Performance
IRTC vs. RYTM - Performance Comparison
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Returns By Period
In the year-to-date period, IRTC achieves a -35.95% return, which is significantly lower than RYTM's -17.43% return.
IRTC
- 1D
- 0.87%
- 1M
- -0.88%
- YTD
- -35.95%
- 6M
- -32.68%
- 1Y
- -21.88%
- 3Y*
- 3.87%
- 5Y*
- 12.21%
- 10Y*
- —
RYTM
- 1D
- 0.82%
- 1M
- -5.70%
- YTD
- -17.43%
- 6M
- -22.17%
- 1Y
- 40.24%
- 3Y*
- 70.57%
- 5Y*
- 35.88%
- 10Y*
- —
IRTC vs. RYTM - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
IRTC iRhythm Technologies, Inc. | -35.95% | 96.78% | -15.76% | 14.27% | -20.41% | -50.39% | 248.38% | -2.00% | 23.96% | 11.97% |
RYTM Rhythm Pharmaceuticals, Inc. | -17.43% | 91.21% | 21.78% | 57.86% | 191.78% | -66.43% | 29.49% | -14.58% | -7.50% | 25.20% |
Correlation
The correlation between IRTC and RYTM is 0.20, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.20 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.22 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.22 |
Correlation (All Time) Calculated using the full available price history since Oct 5, 2017 | 0.23 |
Fundamentals
IRTC:
$3.69B
RYTM:
$6.01B
IRTC:
-$0.85
RYTM:
-$3.10
IRTC:
4.69
RYTM:
26.75
IRTC:
22.92
RYTM:
732.99
IRTC:
$787.85M
RYTM:
$217.17M
IRTC:
$559.39M
RYTM:
$194.16M
IRTC:
-$3.10M
RYTM:
-$182.86M
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Return for Risk
IRTC vs. RYTM — Risk / Return Rank
IRTC
RYTM
IRTC vs. RYTM - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iRhythm Technologies, Inc. (IRTC) and Rhythm Pharmaceuticals, Inc. (RYTM). 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.
| IRTC | RYTM | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -1.22 | ||
| Sortino ratioReturn per unit of downside risk | -2.19 | ||
| Omega ratioGain probability vs. loss probability | 0.94 | 1.19 | -0.25 |
| Calmar ratioReturn relative to maximum drawdown | -0.49 | 1.14 | -1.63 |
| Martin ratioReturn relative to average drawdown | -0.99 | 2.64 | -3.63 |
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Drawdowns
IRTC vs. RYTM - Drawdown Comparison
The maximum IRTC drawdown since its inception was -84.39%, smaller than the maximum RYTM drawdown of -92.10%. Use the drawdown chart below to compare losses from any high point for IRTC and RYTM.
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Drawdown Indicators
| IRTC | RYTM | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -84.39% | -92.10% | +7.71% |
Max Drawdown (1Y)Largest decline over 1 year | -44.75% | -35.54% | -9.21% |
Max Drawdown (3Y)Largest decline over 3 years | -53.83% | -35.54% | -18.29% |
Max Drawdown (5Y)Largest decline over 5 years | -66.03% | -85.49% | +19.46% |
Current DrawdownCurrent decline from peak | -57.67% | -24.86% | -32.81% |
Average DrawdownAverage peak-to-trough decline | -37.10% | -32.15% | -4.95% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 22.10% | 15.31% | +6.79% |
Volatility
IRTC vs. RYTM - Volatility Comparison
iRhythm Technologies, Inc. (IRTC) and Rhythm Pharmaceuticals, Inc. (RYTM) have volatilities of 11.53% and 11.87%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| IRTC | RYTM | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 11.53% | 11.87% | -0.34% |
Volatility (6M)Calculated over the trailing 6-month period | 32.11% | 36.41% | -4.30% |
Volatility (1Y)Calculated over the trailing 1-year period | 42.84% | 57.20% | -14.36% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 63.42% | 76.39% | -12.97% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 61.72% | 71.57% | -9.85% |
Dividends
IRTC vs. RYTM - Dividend Comparison
Neither IRTC nor RYTM has paid dividends to shareholders.
Financials
IRTC vs. RYTM - Financials Comparison
This section allows you to compare key financial metrics between iRhythm Technologies, Inc. and Rhythm Pharmaceuticals, Inc.. You can select fields from income statements, balance sheets, and cash flow statements to easily visualize and compare the financial health of both companies.
Total Revenue: Total amount of money received from sales and other business activities
IRTC vs. RYTM - Profitability Comparison
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%.
RYTM - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Rhythm Pharmaceuticals, Inc. reported a gross profit of 52.96M and revenue of 60.11M. Therefore, the gross margin over that period was 88.1%.
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%.
RYTM - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Rhythm Pharmaceuticals, Inc. reported an operating income of -52.36M and revenue of 60.11M, resulting in an operating margin of -87.1%.
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%.
RYTM - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Rhythm Pharmaceuticals, Inc. reported a net income of -56.74M and revenue of 60.11M, resulting in a net margin of -94.4%.
Frequently Asked Questions
IRTC and RYTM have a correlation of 0.20, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
RYTM has higher volatility (11.87%) compared to IRTC (11.53%). In terms of maximum drawdown, IRTC dropped -84.39% vs RYTM's -92.10%.
RYTM currently has the higher Sharpe Ratio (0.71 vs -0.51), 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.
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