Seek Returns

RBLX vs. SIRI: Roblox vs. Sirius XM Stock Comparison

How do Roblox (RBLX) and Sirius XM (SIRI) stack up? This page sets them side by side across company profile, performance and risk, profitability, growth, financial strength, dividends, and valuation, with selected fundamentals also measured against each stock's industry-group peers.

Company Profile

Roblox (RBLX) and Sirius XM (SIRI) both fall under the Media & Entertainment industry group, but RBLX is classified in Entertainment while SIRI is classified in Media.

Sirius XM (SIRI) has more than two decades of public-market history since September 13, 1994, whereas Roblox (RBLX) listed on March 10, 2021 and has a much shorter record to draw on.

Company profile comparison for Roblox (RBLX) and Sirius XM (SIRI)
Profile ItemRBLXSIRI
NameRoblox Corp. Class A Common StockSirius XM Holdings Inc.
Country/RegionUnited StatesUnited States
GICS SectorCommunication ServicesCommunication Services
GICS Industry GroupMedia & EntertainmentMedia & Entertainment
GICS IndustryEntertainmentMedia
GICS Sub-IndustryInteractive Home EntertainmentCable & Satellite
Market Capitalization35.28 billion USD10.90 billion USD
CurrencyUSDUSD
ExchangeNYSENasdaq
Listing DateMarch 10, 2021September 13, 1994
Security TypeCommon StockCommon Stock

Price Performance

Cumulative Growth

RBLX
SIRI
GSPC
Loading price history…
Roblox (RBLX) vs. Sirius XM (SIRI), with S&P 500 (GSPC) for reference: Growth of a $10,000 investment over the past five years. Adjusted for dividends and splits.

Trailing Returns

Loading price history…
Trailing total returns for Roblox (RBLX) and Sirius XM (SIRI). Returns over one year are annualized.

Calendar-Year Returns

Loading price history…
Calendar-year total returns for Roblox (RBLX) and Sirius XM (SIRI). Each bar is that year's total return, measured year-end to year-end.

Performance Metrics

Price performance metrics for Roblox (RBLX) and Sirius XM (SIRI)
MetricRBLXSIRI
Total Return (1Y)-51.28%57.51%
Total Return (3Y, Annualized)11.01%-7.52%
Total Return (5Y, Annualized)-13.82%-9.10%

Risk Profile

Drawdown History

RBLX
SIRI
GSPC
Loading price history…
Roblox (RBLX) vs. Sirius XM (SIRI), with S&P 500 (GSPC) for reference: Drawdown from the running peak over the past five years. Each line shows the decline from its prior peak; 0% marks a new high.

Return Distribution

Loading price history…
Distribution of monthly total returns for Roblox (RBLX) and Sirius XM (SIRI). Each bar is the share of months whose return fell in that 5% bucket.

Risk Metrics

Risk profile metrics for Roblox (RBLX) and Sirius XM (SIRI)
MetricRBLXSIRI
Volatility (1Y, Annualized)71.41%32.75%
Beta (5Y)1.450.94
Max Drawdown (5Y)-82.79%-73.86%
Avg. Volume (3M)11.20M4.35M

Risk-Adjusted Performance

Risk-Return Positioning

Loading chart…
RBLX and SIRI are plotted by 1-year volatility (risk) and 1-year return. The dashed Capital Allocation Line runs from the risk-free rate through the shared industry median.

Risk-Adjusted Metrics

Risk-adjusted metrics for Roblox (RBLX) and Sirius XM (SIRI)
MetricRBLXSIRI
Sharpe Ratio (1Y)-0.781.63
Sortino Ratio (1Y)-1.012.83

Profitability

ROE (TTM)

Roblox (RBLX) reports a negative ROE of -539.93%; negative ROE can reflect losses or negative shareholders’ equity, so it is harder to read as capital efficiency. Meanwhile Sirius XM (SIRI) reports 7.59%, ranking against industry peers normally.

RBLX

Media & Entertainment industry group

-539.93%

Max
49.92%
Q3
17.95%
Median
7.20%
Q1
-4.53%
Min
-26.31%
RBLX
-539.93%

SIRI

Media & Entertainment industry group

7.59%

Max
49.92%
Q3
17.95%
SIRI
7.59%
Median
7.20%
Q1
-4.53%
Min
-26.31%
Loading chart…
Roblox (RBLX) vs. Sirius XM (SIRI): A comparison of their ROE against the Media & Entertainment industry group benchmark.

Net Margin (TTM)

Roblox (RBLX) reports a negative net margin of -16.48%, usually indicating a net loss over the period. Meanwhile Sirius XM (SIRI) reports 10.47%, ranking against industry peers normally.

RBLX

Media & Entertainment industry group

-16.48%

Max
32.91%
Q3
11.75%
Median
5.04%
Q1
-4.17%
RBLX
-16.48%
Min
-25.14%

SIRI

Media & Entertainment industry group

10.47%

Max
32.91%
Q3
11.75%
SIRI
10.47%
Median
5.04%
Q1
-4.17%
Min
-25.14%
Loading chart…
Roblox (RBLX) vs. Sirius XM (SIRI): A comparison of their net margin against the Media & Entertainment industry group benchmark.

Operating Margin (TTM)

Roblox (RBLX) reports a negative operating margin of -14.89%, usually indicating that operating costs exceeded revenue at the operating-income line. Meanwhile Sirius XM (SIRI) reports 22.71%, ranking against industry peers normally.

RBLX

Media & Entertainment industry group

-14.89%

Max
40.16%
Q3
18.72%
Median
8.63%
Q1
1.90%
RBLX
-14.89%
Min
-22.08%

SIRI

Media & Entertainment industry group

22.71%

Max
40.16%
SIRI
22.71%
Q3
18.72%
Median
8.63%
Q1
1.90%
Min
-22.08%
Loading chart…
Roblox (RBLX) vs. Sirius XM (SIRI): A comparison of their operating margin against the Media & Entertainment industry group benchmark.

Profitability Metrics

Profitability metrics for Roblox (RBLX) and Sirius XM (SIRI)
MetricRBLXSIRI
ROE (TTM)-539.93%7.59%
ROA (TTM)-6.88%4.39%
Net Margin (TTM)-16.48%10.47%
Operating Margin (TTM)-14.89%22.71%
Gross Margin (TTM)27.31%47.49%

Growth

Revenue Growth

Roblox (RBLX) at 35.77% delivers above-range revenue growth, while Sirius XM (SIRI) at -1.62% falls into the bottom quartile — a wide split in revenue momentum.

Loading chart…
Roblox (RBLX) vs. Sirius XM (SIRI): A comparison of their Revenue Growth across different time periods.

EPS Growth

Neither Roblox (RBLX) nor Sirius XM (SIRI) reports a EPS growth value for this period, so a direct comparison isn't possible.

Loading chart…
Roblox (RBLX) vs. Sirius XM (SIRI): A comparison of their EPS Growth across different time periods.

Growth Metrics

Growth metrics for Roblox (RBLX) and Sirius XM (SIRI)
MetricRBLXSIRI
Revenue Growth (YoY)35.77%-1.62%
Revenue Growth (3Y CAGR)30.02%-1.68%
EPS Growth (YoY)----
EPS Growth (3Y CAGR)---10.40%

Financial Strength

Current Ratio (MRQ)

Both Roblox (RBLX) at 0.80 and Sirius XM (SIRI) at 0.33 run current ratio in the tighter-liquidity quartile of industry peers, leaving thinner cushions against current liabilities than typical competitors.

RBLX

Media & Entertainment industry group

0.80

Max
4.69
Q3
2.53
Median
1.52
Q1
0.95
RBLX
0.80
Min
0.28

SIRI

Media & Entertainment industry group

0.33

Max
4.69
Q3
2.53
Median
1.52
Q1
0.95
SIRI
0.33
Min
0.28
Loading chart…
Roblox (RBLX) vs. Sirius XM (SIRI): A comparison of their current ratio against the Media & Entertainment industry group benchmark.

Debt / Equity (MRQ)

Only one side’s leverage can be read here: Sirius XM (SIRI) carries debt-to-equity ratio of 0.78 against its industry range, while Roblox (RBLX) reports no figure this period.

RBLX

Media & Entertainment industry group

--

Max
3.65
Q3
1.69
Median
0.46
Q1
0.17
Min
0.00
RBLX
--

SIRI

Media & Entertainment industry group

0.78

Max
3.65
Q3
1.69
SIRI
0.78
Median
0.46
Q1
0.17
Min
0.00
Loading chart…
Roblox (RBLX) vs. Sirius XM (SIRI): RBLX does not report debt-to-equity ratio, so it has no value marker; SIRI is benchmarked against the Media & Entertainment industry group.

Financial Strength Metrics

Financial strength metrics for Roblox (RBLX) and Sirius XM (SIRI)
MetricRBLXSIRI
Current Ratio (MRQ)0.800.33
Debt / Equity (MRQ)--0.78
Net Debt / EBITDA--3.66

Dividends

Dividend Yield (TTM)

Roblox (RBLX) pays no dividend (yield 0.00%) — it may be reinvesting, using buybacks, or simply not returning cash through dividends. Meanwhile Sirius XM (SIRI) reports a yield of 3.28%, ranking against industry peers normally.

RBLX

Media & Entertainment industry group

0.00%

Max
1.33%
Q3
0.65%
RBLX
0.00%
Median
0.00%
Q1
0.00%
Min
0.00%

SIRI

Media & Entertainment industry group

3.28%

SIRI
3.28%
Max
1.33%
Q3
0.65%
Median
0.00%
Q1
0.00%
Min
0.00%
Loading chart…
Roblox (RBLX) vs. Sirius XM (SIRI): A comparison of their dividend yield against the Media & Entertainment industry group benchmark.

Dividend Payout Ratio (TTM)

Roblox (RBLX) pays no dividend (payout 0.00%) — it may be reinvesting, using buybacks, or simply not returning cash through dividends. Meanwhile Sirius XM (SIRI) reports a payout of 42.19%, ranking against industry peers normally.

RBLX

Media & Entertainment industry group

0.00%

Max
71.43%
Q3
28.98%
RBLX
0.00%
Median
0.00%
Q1
0.00%
Min
0.00%

SIRI

Media & Entertainment industry group

42.19%

Max
71.43%
SIRI
42.19%
Q3
28.98%
Median
0.00%
Q1
0.00%
Min
0.00%
Loading chart…
Roblox (RBLX) vs. Sirius XM (SIRI): A comparison of their payout ratio against the Media & Entertainment industry group benchmark.

Dividend Metrics

Dividend metrics for Roblox (RBLX) and Sirius XM (SIRI)
MetricRBLXSIRI
Dividend Yield (TTM)0.00%3.28%
Dividend Payout Ratio (TTM)0.00%42.19%

Valuation

P/E Ratio (TTM)

An earnings multiple is available for just one side: Sirius XM (SIRI) trades at 12.66 times trailing earnings, ranked against its peers, while Roblox (RBLX) has no P/E ratio this period.

RBLX

Media & Entertainment industry group

--

Max
51.21
Q3
28.90
Median
17.98
Q1
11.53
Min
1.64
RBLX
--

SIRI

Media & Entertainment industry group

12.66

Max
51.21
Q3
28.90
Median
17.98
SIRI
12.66
Q1
11.53
Min
1.64
Loading chart…
Roblox (RBLX) vs. Sirius XM (SIRI): RBLX does not report P/E ratio, so it has no value marker; SIRI is benchmarked against the Media & Entertainment industry group.

P/S Ratio (TTM)

Sirius XM (SIRI) at 1.27 is priced about in line with its industry on P/S ratio, while Roblox (RBLX) at 5.98 sits in the pricier quartile — RBLX costs more per dollar of sales.

RBLX

Media & Entertainment industry group

5.98

Max
7.43
RBLX
5.98
Q3
3.82
Median
1.40
Q1
0.70
Min
0.00

SIRI

Media & Entertainment industry group

1.27

Max
7.43
Q3
3.82
Median
1.40
SIRI
1.27
Q1
0.70
Min
0.00
Loading chart…
Roblox (RBLX) vs. Sirius XM (SIRI): A comparison of their P/S ratio against the Media & Entertainment industry group benchmark.

P/B Ratio (MRQ)

Roblox (RBLX) reports a negative P/B ratio of -49,300.00, meaning negative book equity — the multiple itself is not meaningful for valuation. Meanwhile Sirius XM (SIRI) reports 0.90, ranking against industry peers normally.

RBLX

Media & Entertainment industry group

-49,300.00

Max
11.45
Q3
5.30
Median
1.84
Q1
0.77
Min
-2.61
RBLX
-49,300.00

SIRI

Media & Entertainment industry group

0.90

Max
11.45
Q3
5.30
Median
1.84
SIRI
0.90
Q1
0.77
Min
-2.61
Loading chart…
Roblox (RBLX) vs. Sirius XM (SIRI): A comparison of their P/B ratio against the Media & Entertainment industry group benchmark.

Valuation Metrics

Valuation metrics for Roblox (RBLX) and Sirius XM (SIRI)
MetricRBLXSIRI
P/E Ratio (TTM)--12.66
P/S Ratio (TTM)5.981.27
P/B Ratio (MRQ)-49,300.000.90
Free Cash Flow Yield (TTM)4.86%11.57%