RR vs. SIRI

Last updated Jun 9, 2026

RR (Richtech Robotics Inc. Class B Common Stock) and SIRI (Sirius XM Holdings Inc.) are both stocks. RR operates in Specialty Industrial Machinery (Industrials), while SIRI operates in Broadcasting (Communication Services). Over the past year, RR returned 3.18% vs 30.91% for SIRI. At a 0.17 correlation, their price movements are largely independent.

Performance

RR vs. SIRI - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Richtech Robotics Inc. Class B Common Stock (RR) and Sirius XM Holdings Inc. (SIRI). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, RR achieves a -24.61% return, which is significantly lower than SIRI's 40.39% return.

RR

• 1D: 1.25%
• 1M: -7.77%
• YTD: -24.61%
• 6M: -44.41%
• 1Y: 3.18%
• 3Y*: —
• 5Y*: —
• 10Y*: —

SIRI

• 1D: 1.59%
• 1M: 2.27%
• YTD: 40.39%
• 6M: 29.18%
• 1Y: 30.91%
• 3Y*: -6.89%
• 5Y*: -13.63%
• 10Y*: -1.34%

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

RR vs. SIRI - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023
RR Richtech Robotics Inc. Class B Common Stock	-24.61%	19.63%	-54.62%	19.00%
SIRI Sirius XM Holdings Inc.	40.39%	-7.97%	-56.93%	6.63%

Correlation

The correlation between RR and SIRI 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 (All Time) Calculated using the full available price history since Nov 17, 2023	0.17

Fundamentals

Market Cap RR : $473.83M SIRI : $9.27B
EPS RR : -$0.11 SIRI : $2.41
PS Ratio RR : 71.47 SIRI : 1.12
PB Ratio RR : 1.76 SIRI : 0.79
Total Revenue (TTM) RR : $5.05M SIRI : $8.58B
Gross Profit (TTM) RR : $3.29M SIRI : $4.10B
EBITDA (TTM) RR : -$12.64M SIRI : $1.77B

Return for Risk

RR vs. SIRI — Risk / Return Rank

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

RR

RR Risk / Return Rank: 47
RR Sharpe Ratio Rank: 43
RR Sortino Ratio Rank: 56
RR Omega Ratio Rank: 52
RR Calmar Ratio Rank: 43
RR Martin Ratio Rank: 43

SIRI

SIRI Risk / Return Rank: 69
SIRI Sharpe Ratio Rank: 70
SIRI Sortino Ratio Rank: 67
SIRI Omega Ratio Rank: 63
SIRI Calmar Ratio Rank: 73
SIRI Martin Ratio Rank: 70

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.

RR vs. SIRI - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Richtech Robotics Inc. Class B Common Stock (RR) and Sirius XM Holdings Inc. (SIRI). 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.

	RR	SIRI	Difference
Sharpe ratio: Return per unit of total volatility	0.03	0.87	-0.85
Sortino ratio: Return per unit of downside risk	1.04	1.50	-0.46
Omega ratio: Gain probability vs. loss probability	1.11	1.18	-0.07
Calmar ratio: Return relative to maximum drawdown	0.04	1.78	-1.74
Martin ratio: Return relative to average drawdown	0.07	3.51	-3.44
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

RR vs. SIRI - Sharpe Ratio Comparison

The current RR Sharpe Ratio is 0.03, which is lower than the SIRI Sharpe Ratio of 0.87. The chart below compares the historical Sharpe Ratios of RR and SIRI, 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

	RR	SIRI	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.03	0.87	-0.85
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	-0.30	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	-0.04	—
Sharpe Ratio (All Time) Calculated using the full available price history	-0.16	-0.01	-0.15

Drawdowns

RR vs. SIRI - Drawdown Comparison

The maximum RR drawdown since its inception was -96.67%, roughly equal to the maximum SIRI drawdown of -99.92%. Use the drawdown chart below to compare losses from any high point for RR and SIRI.

Drawdown Indicators

	RR	SIRI	Difference
Max Drawdown Largest peak-to-trough decline	-96.67%	-99.92%	+3.25%
Max Drawdown (1Y) Largest decline over 1 year	-73.37%	-17.44%	-55.93%
Max Drawdown (3Y) Largest decline over 3 years	—	-73.87%	—
Max Drawdown (5Y) Largest decline over 5 years	—	-73.87%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-73.87%	—
Current Drawdown Current decline from peak	-78.06%	-94.76%	+16.70%
Average Drawdown Average peak-to-trough decline	-74.83%	-80.54%	+5.71%
Ulcer Index Depth and duration of drawdowns from previous peaks	45.57%	8.83%	+36.74%

Volatility

RR vs. SIRI - Volatility Comparison

Richtech Robotics Inc. Class B Common Stock (RR) has a higher volatility of 31.92% compared to Sirius XM Holdings Inc. (SIRI) at 10.37%. This indicates that RR's price experiences larger fluctuations and is considered to be riskier than SIRI based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	RR	SIRI	Difference
Volatility (1M) Calculated over the trailing 1-month period	31.92%	10.37%	+21.55%
Volatility (6M) Calculated over the trailing 6-month period	80.35%	23.99%	+56.36%
Volatility (1Y) Calculated over the trailing 1-year period	119.34%	35.66%	+83.68%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	164.25%	44.95%	+119.30%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	164.25%	37.69%	+126.56%

Dividends

RR vs. SIRI - Dividend Comparison

RR has not paid dividends to shareholders, while SIRI's dividend yield for the trailing twelve months is around 3.94%.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016
RR Richtech Robotics Inc. Class B Common Stock	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
SIRI Sirius XM Holdings Inc.	3.94%	5.40%	4.68%	1.81%	5.82%	1.04%	0.86%	0.69%	0.79%	0.76%	0.22%

Financials

Frequently Asked Questions

Can I hold both RR and SIRI in my portfolio?

RR and SIRI 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, RR or SIRI?

RR has higher volatility (31.92%) compared to SIRI (10.37%). In terms of maximum drawdown, RR dropped -96.67% vs SIRI's -99.92%.

Which has better risk-adjusted returns?

SIRI currently has the higher Sharpe Ratio (0.87 vs 0.03), 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.