IRTC vs. GBTC

Last updated Apr 2, 2026

Compare and contrast key facts about iRhythm Technologies, Inc. (IRTC) and Grayscale Bitcoin Trust (BTC) (GBTC).

Performance

IRTC vs. GBTC - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in iRhythm Technologies, Inc. (IRTC) and Grayscale Bitcoin Trust (BTC) (GBTC). The values are adjusted to include any dividend payments, if applicable.

IRTC vs. GBTC - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
IRTC iRhythm Technologies, Inc.	-33.37%	96.78%	-15.76%	14.27%	-20.41%	-50.39%	248.38%	-2.00%	23.96%	86.83%
GBTC Grayscale Bitcoin Trust (BTC)	-22.40%	-7.65%	113.81%	317.61%	-75.80%	7.03%	290.72%	106.56%	-82.10%	1,787.72%

Fundamentals

Total Revenue (TTM) IRTC : $747.14M GBTC : $0.00
Gross Profit (TTM) IRTC : $527.25M GBTC : $0.00
EBITDA (TTM) IRTC : -$21.66M GBTC : -$43.28K

Returns By Period

In the year-to-date period, IRTC achieves a -33.37% return, which is significantly lower than GBTC's -22.40% return.

IRTC

• 1D: 0.17%
• 1M: -7.97%
• YTD: -33.37%
• 6M: -29.40%
• 1Y: 10.61%
• 3Y*: -1.59%
• 5Y*: -2.94%
• 10Y*: —

GBTC

• 1D: 0.55%
• 1M: -1.56%
• YTD: -22.40%
• 6M: -42.46%
• 1Y: -21.01%
• 3Y*: 48.01%
• 5Y*: 0.84%
• 10Y*: 58.56%

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

Return for Risk

IRTC vs. GBTC — Risk / Return Rank

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

IRTC

IRTC Risk / Return Rank: 48
IRTC Sharpe Ratio Rank: 49
IRTC Sortino Ratio Rank: 47
IRTC Omega Ratio Rank: 45
IRTC Calmar Ratio Rank: 48
IRTC Martin Ratio Rank: 51

GBTC

GBTC Risk / Return Rank: 24
GBTC Sharpe Ratio Rank: 20
GBTC Sortino Ratio Rank: 20
GBTC Omega Ratio Rank: 21
GBTC Calmar Ratio Rank: 29
GBTC Martin Ratio Rank: 28

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. GBTC - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for iRhythm Technologies, Inc. (IRTC) and Grayscale Bitcoin Trust (BTC) (GBTC). 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	GBTC	Difference
Sharpe ratio Return per unit of total volatility	0.23	-0.47	+0.70
Sortino ratio Return per unit of downside risk	0.74	-0.41	+1.15
Omega ratio Gain probability vs. loss probability	1.09	0.95	+0.13
Calmar ratio Return relative to maximum drawdown	0.32	-0.38	+0.70
Martin ratio Return relative to average drawdown	0.91	-0.80	+1.70
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. GBTC - Sharpe Ratio Comparison

The current IRTC Sharpe Ratio is 0.23, which is higher than the GBTC Sharpe Ratio of -0.47. The chart below compares the historical Sharpe Ratios of IRTC and GBTC, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	IRTC	GBTC	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.23	-0.47	+0.70
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	-0.04	0.01	-0.06
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.71	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.28	0.67	-0.39

Correlation

The correlation between IRTC and GBTC is 0.15, which is considered to be low. This implies their price changes are not closely related. A low correlation is generally favorable for portfolio diversification, as it helps to reduce overall risk by spreading it across multiple assets with different performance patterns.

Dividends

IRTC vs. GBTC - Dividend Comparison

Neither IRTC nor GBTC has paid dividends to shareholders.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017
IRTC iRhythm Technologies, Inc.	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
GBTC Grayscale Bitcoin Trust (BTC)	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	5.61%

Drawdowns

IRTC vs. GBTC - Drawdown Comparison

The maximum IRTC drawdown since its inception was -84.39%, smaller than the maximum GBTC drawdown of -89.91%. Use the drawdown chart below to compare losses from any high point for IRTC and GBTC.

Drawdown Indicators

	IRTC	GBTC	Difference
Max Drawdown Largest peak-to-trough decline	-84.39%	-89.91%	+5.52%
Max Drawdown (1Y) Largest decline over 1 year	-40.29%	-49.55%	+9.26%
Max Drawdown (5Y) Largest decline over 5 years	-69.46%	-85.80%	+16.34%
Max Drawdown (10Y) Largest decline over 10 years	—	-89.91%	—
Current Drawdown Current decline from peak	-55.96%	-46.10%	-9.86%
Average Drawdown Average peak-to-trough decline	-36.71%	-43.48%	+6.77%
Ulcer Index Depth and duration of drawdowns from previous peaks	14.22%	23.39%	-9.17%

Volatility

IRTC vs. GBTC - Volatility Comparison

The current volatility for iRhythm Technologies, Inc. (IRTC) is 10.07%, while Grayscale Bitcoin Trust (BTC) (GBTC) has a volatility of 12.99%. This indicates that IRTC experiences smaller price fluctuations and is considered to be less risky than GBTC based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	IRTC	GBTC	Difference
Volatility (1M) Calculated over the trailing 1-month period	10.07%	12.99%	-2.92%
Volatility (6M) Calculated over the trailing 6-month period	28.70%	36.80%	-8.10%
Volatility (1Y) Calculated over the trailing 1-year period	45.70%	45.30%	+0.40%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	66.51%	64.19%	+2.32%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	62.04%	82.56%	-20.52%

Financials