RPID vs. RRGB

Last updated Apr 2, 2026

Compare and contrast key facts about Rapid Micro Biosystems Inc (RPID) and Red Robin Gourmet Burgers, Inc. (RRGB).

Performance

RPID vs. RRGB - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Rapid Micro Biosystems Inc (RPID) and Red Robin Gourmet Burgers, Inc. (RRGB). The values are adjusted to include any dividend payments, if applicable.

RPID vs. RRGB - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021
RPID Rapid Micro Biosystems Inc	-25.52%	222.22%	21.62%	-34.51%	-89.38%	-50.28%
RRGB Red Robin Gourmet Burgers, Inc.	-24.44%	-26.23%	-55.97%	123.48%	-66.24%	-41.28%

Fundamentals

Market Cap RPID : $96.38M RRGB : $55.01M
EPS RPID : -$1.06 RRGB : -$1.27
PS Ratio RPID : 2.87 RRGB : 0.05
Total Revenue (TTM) RPID : $33.59M RRGB : $1.21B
Gross Profit (TTM) RPID : $5.84M RRGB : $323.96M
EBITDA (TTM) RPID : -$44.34M RRGB : $54.04M

Returns By Period

The year-to-date returns for both investments are quite close, with RPID having a -25.52% return and RRGB slightly higher at -24.44%.

RPID

• 1D: -4.85%
• 1M: -50.91%
• YTD: -25.52%
• 6M: -37.57%
• 1Y: -17.24%
• 3Y*: 18.14%
• 5Y*: —
• 10Y*: —

RRGB

• 1D: 4.44%
• 1M: -33.62%
• YTD: -24.44%
• 6M: -57.50%
• 1Y: -13.31%
• 3Y*: -40.21%
• 5Y*: -39.53%
• 10Y*: -26.12%

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

Return for Risk

RPID vs. RRGB — Risk / Return Rank

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

RPID

RPID Risk / Return Rank: 33
RPID Sharpe Ratio Rank: 32
RPID Sortino Ratio Rank: 38
RPID Omega Ratio Rank: 37
RPID Calmar Ratio Rank: 30
RPID Martin Ratio Rank: 28

RRGB

RRGB Risk / Return Rank: 37
RRGB Sharpe Ratio Rank: 34
RRGB Sortino Ratio Rank: 43
RRGB Omega Ratio Rank: 40
RRGB Calmar Ratio Rank: 34
RRGB Martin Ratio Rank: 34

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.

RPID vs. RRGB - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Rapid Micro Biosystems Inc (RPID) and Red Robin Gourmet Burgers, Inc. (RRGB). 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.

	RPID	RRGB	Difference
Sharpe ratio Return per unit of total volatility	-0.19	-0.14	-0.05
Sortino ratio Return per unit of downside risk	0.38	0.58	-0.19
Omega ratio Gain probability vs. loss probability	1.05	1.06	-0.01
Calmar ratio Return relative to maximum drawdown	-0.34	-0.22	-0.12
Martin ratio Return relative to average drawdown	-0.77	-0.43	-0.34
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

RPID vs. RRGB - Sharpe Ratio Comparison

The current RPID Sharpe Ratio is -0.19, which is lower than the RRGB Sharpe Ratio of -0.14. The chart below compares the historical Sharpe Ratios of RPID and RRGB, 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

	RPID	RRGB	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	-0.19	-0.14	-0.05
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	-0.53	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	-0.36	—
Sharpe Ratio (All Time) Calculated using the full available price history	-0.44	-0.10	-0.34

Correlation

The correlation between RPID and RRGB is 0.19, 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

RPID vs. RRGB - Dividend Comparison

Neither RPID nor RRGB has paid dividends to shareholders.

Tickers have no history of dividend payments

Drawdowns

RPID vs. RRGB - Drawdown Comparison

The maximum RPID drawdown since its inception was -97.57%, roughly equal to the maximum RRGB drawdown of -97.24%. Use the drawdown chart below to compare losses from any high point for RPID and RRGB.

Drawdown Indicators

	RPID	RRGB	Difference
Max Drawdown Largest peak-to-trough decline	-97.57%	-97.24%	-0.33%
Max Drawdown (1Y) Largest decline over 1 year	-53.85%	-65.19%	+11.34%
Max Drawdown (5Y) Largest decline over 5 years	—	-93.23%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-96.49%	—
Current Drawdown Current decline from peak	-91.29%	-96.71%	+5.42%
Average Drawdown Average peak-to-trough decline	-83.87%	-49.87%	-34.00%
Ulcer Index Depth and duration of drawdowns from previous peaks	23.62%	32.70%	-9.08%

Volatility

RPID vs. RRGB - Volatility Comparison

Rapid Micro Biosystems Inc (RPID) has a higher volatility of 34.25% compared to Red Robin Gourmet Burgers, Inc. (RRGB) at 20.39%. This indicates that RPID's price experiences larger fluctuations and is considered to be riskier than RRGB based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	RPID	RRGB	Difference
Volatility (1M) Calculated over the trailing 1-month period	34.25%	20.39%	+13.86%
Volatility (6M) Calculated over the trailing 6-month period	68.88%	49.22%	+19.66%
Volatility (1Y) Calculated over the trailing 1-year period	92.94%	97.02%	-4.08%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	88.43%	74.93%	+13.50%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	88.43%	73.27%	+15.16%

Financials