RRGB vs. RPID

Last updated Apr 2, 2026

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

Performance

RRGB vs. RPID - Performance Comparison

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

RRGB vs. RPID - Yearly Performance Comparison

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

Fundamentals

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

Returns By Period

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

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%

RPID

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

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

Return for Risk

RRGB vs. RPID — Risk / Return Rank

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

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

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

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.

RRGB vs. RPID - Risk-Adjusted Trends Comparison

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

	RRGB	RPID	Difference
Sharpe ratio Return per unit of total volatility	-0.14	-0.19	+0.05
Sortino ratio Return per unit of downside risk	0.58	0.38	+0.19
Omega ratio Gain probability vs. loss probability	1.06	1.05	+0.01
Calmar ratio Return relative to maximum drawdown	-0.22	-0.34	+0.12
Martin ratio Return relative to average drawdown	-0.43	-0.77	+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.

RRGB vs. RPID - Sharpe Ratio Comparison

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

	RRGB	RPID	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	-0.14	-0.19	+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	-0.10	-0.44	+0.34

Correlation

The correlation between RRGB and RPID 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

RRGB vs. RPID - Dividend Comparison

Neither RRGB nor RPID has paid dividends to shareholders.

Tickers have no history of dividend payments

Drawdowns

RRGB vs. RPID - Drawdown Comparison

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

Drawdown Indicators

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

Volatility

RRGB vs. RPID - Volatility Comparison

The current volatility for Red Robin Gourmet Burgers, Inc. (RRGB) is 20.39%, while Rapid Micro Biosystems Inc (RPID) has a volatility of 34.25%. This indicates that RRGB experiences smaller price fluctuations and is considered to be less risky than RPID based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

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

Financials