RBLX vs. TEM

Last updated Jun 13, 2026

RBLX (Roblox Corporation) and TEM (Tempus AI, Inc) are both stocks. RBLX operates in Electronic Gaming & Multimedia (Communication Services), while TEM operates in Health Information Services (Healthcare). Over the past year, RBLX returned -55.43% vs -32.91% for TEM. At a 0.28 correlation, their price movements are largely independent.

Performance

RBLX vs. TEM - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Roblox Corporation (RBLX) and Tempus AI, Inc (TEM). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, RBLX achieves a -46.55% return, which is significantly lower than TEM's -19.02% return.

RBLX

• 1D: -0.41%
• 1M: -0.94%
• YTD: -46.55%
• 6M: -51.07%
• 1Y: -55.43%
• 3Y*: 2.45%
• 5Y*: -14.14%
• 10Y*: —

TEM

• 1D: -3.57%
• 1M: 5.15%
• YTD: -19.02%
• 6M: -32.28%
• 1Y: -32.91%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

RBLX vs. TEM - Yearly Performance Comparison

	2026 (YTD)	2025	2024
RBLX Roblox Corporation	-46.55%	40.04%	62.89%
TEM Tempus AI, Inc	-19.02%	74.91%	-15.60%

Correlation

The correlation between RBLX and TEM is 0.23, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.23
Correlation (All Time) Calculated using the full available price history since Jun 14, 2024	0.28

Fundamentals

Market Cap RBLX : $30.82B TEM : $8.56B
EPS RBLX : -$1.57 TEM : -$1.73
PS Ratio RBLX : 5.71 TEM : 6.15
PB Ratio RBLX : 71.35 TEM : 20.55
Total Revenue (TTM) RBLX : $5.30B TEM : $1.36B
Gross Profit (TTM) RBLX : $4.16B TEM : $977.64M
EBITDA (TTM) RBLX : -$944.43M TEM : -$233.09M

Return for Risk

RBLX vs. TEM — Risk / Return Rank

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

RBLX

RBLX Risk / Return Rank: 10
RBLX Sharpe Ratio Rank: 7
RBLX Sortino Ratio Rank: 8
RBLX Omega Ratio Rank: 8
RBLX Calmar Ratio Rank: 13
RBLX Martin Ratio Rank: 12

TEM

TEM Risk / Return Rank: 23
TEM Sharpe Ratio Rank: 20
TEM Sortino Ratio Rank: 22
TEM Omega Ratio Rank: 23
TEM Calmar Ratio Rank: 23
TEM Martin Ratio Rank: 25

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.

RBLX vs. TEM - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Roblox Corporation (RBLX) and Tempus AI, Inc (TEM). 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.

	RBLX	TEM	Difference
Sharpe ratio: Return per unit of total volatility	-0.92	-0.51	-0.40
Sortino ratio: Return per unit of downside risk	-1.32	-0.46	-0.87
Omega ratio: Gain probability vs. loss probability	0.83	0.95	-0.12
Calmar ratio: Return relative to maximum drawdown	-0.77	-0.56	-0.21
Martin ratio: Return relative to average drawdown	-1.30	-0.92	-0.38

RBLX vs. TEM - Sharpe Ratio Comparison

The current RBLX Sharpe Ratio is -0.92, which is lower than the TEM Sharpe Ratio of -0.51. The chart below compares the historical Sharpe Ratios of RBLX and TEM, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

RBLX vs. TEM - Drawdown Comparison

The maximum RBLX drawdown since its inception was -82.79%, which is greater than TEM's maximum drawdown of -58.99%. Use the drawdown chart below to compare losses from any high point for RBLX and TEM.

Drawdown Indicators

	RBLX	TEM	Difference
Max Drawdown Largest peak-to-trough decline	-82.79%	-58.99%	-23.80%
Max Drawdown (1Y) Largest decline over 1 year	-70.82%	-58.96%	-11.86%
Max Drawdown (3Y) Largest decline over 3 years	-70.82%	—	—
Max Drawdown (5Y) Largest decline over 5 years	-82.79%	—	—
Current Drawdown Current decline from peak	-69.41%	-53.69%	-15.72%
Average Drawdown Average peak-to-trough decline	-53.01%	-31.99%	-21.02%
Ulcer Index Depth and duration of drawdowns from previous peaks	41.76%	35.67%	+6.09%

Volatility

RBLX vs. TEM - Volatility Comparison

The current volatility for Roblox Corporation (RBLX) is 16.92%, while Tempus AI, Inc (TEM) has a volatility of 21.81%. This indicates that RBLX experiences smaller price fluctuations and is considered to be less risky than TEM based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	RBLX	TEM	Difference
Volatility (1M) Calculated over the trailing 1-month period	16.92%	21.81%	-4.89%
Volatility (6M) Calculated over the trailing 6-month period	47.88%	45.83%	+2.05%
Volatility (1Y) Calculated over the trailing 1-year period	59.45%	64.10%	-4.65%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	69.18%	98.30%	-29.12%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	70.06%	98.30%	-28.24%

Dividends

RBLX vs. TEM - Dividend Comparison

Neither RBLX nor TEM has paid dividends to shareholders.

Tickers have no history of dividend payments

Financials

RBLX vs. TEM - Profitability Comparison

The chart below illustrates the profitability comparison between Roblox Corporation and Tempus AI, Inc over time, highlighting three key metrics: Gross Profit Margin, Operating Margin, and Net Profit Margin.

RBLX - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Roblox Corporation reported a gross profit of 1.15B and revenue of 1.44B. Therefore, the gross margin over that period was 79.6%.

TEM - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Tempus AI, Inc reported a gross profit of 247.16M and revenue of 348.12M. Therefore, the gross margin over that period was 71.0%.

RBLX - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Roblox Corporation reported an operating income of -294.00M and revenue of 1.44B, resulting in an operating margin of -20.4%.

TEM - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Tempus AI, Inc reported an operating income of -84.71M and revenue of 348.12M, resulting in an operating margin of -24.3%.

RBLX - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Roblox Corporation reported a net income of -246.00M and revenue of 1.44B, resulting in a net margin of -17.1%.

TEM - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Tempus AI, Inc reported a net income of -125.92M and revenue of 348.12M, resulting in a net margin of -36.2%.

Frequently Asked Questions

Can I hold both RBLX and TEM in my portfolio?

RBLX and TEM have a correlation of 0.23, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, RBLX or TEM?

TEM has higher volatility (21.81%) compared to RBLX (16.92%). In terms of maximum drawdown, RBLX dropped -82.79% vs TEM's -58.99%.

Which has better risk-adjusted returns?

TEM currently has the higher Sharpe Ratio (-0.51 vs -0.92), 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.