LUCD vs. RIVN

Last updated Aug 1, 2026

LUCD (Lucid Diagnostics Inc.) and RIVN (Rivian Automotive, Inc.) are both stocks. LUCD operates in Medical Devices (Healthcare), while RIVN operates in Auto Manufacturers (Consumer Cyclical). Over the past 3 years, LUCD returned -15.61%/yr vs -17.70%/yr for RIVN. Their 0.25 correlation means their historical movements had little consistent relationship.

Performance

LUCD vs. RIVN - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Lucid Diagnostics Inc. (LUCD) and Rivian Automotive, Inc. (RIVN). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, LUCD achieves a -20.04% return, which is significantly higher than RIVN's -22.78% return.

LUCD

• 1D: -3.28%
• 1M: -18.54%
• 6M: -26.76%
• YTD: -20.04%
• 1Y: -12.84%
• 3Y*: -15.61%
• 5Y*: —
• 10Y*: —
• ALL TIME*: -42.86%

RIVN

• 1D: -9.57%
• 1M: -18.30%
• 6M: 3.19%
• YTD: -22.78%
• 1Y: 22.94%
• 3Y*: -17.70%
• 5Y*: —
• 10Y*: —
• ALL TIME*: -33.81%

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

Liquidity Comparison

Position	Avg. Volume Value (2W)	Avg. Volume Value (1M)	Avg. Volume Value (3M)
LUCD Lucid Diagnostics Inc.	$1.12M	$1.55M	$1.44M
RIVN Rivian Automotive, Inc.	$445.46M	$715.96M	$567.37M

LUCD vs. RIVN - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021
LUCD Lucid Diagnostics Inc.	-20.04%	33.14%	-41.94%	3.68%	-74.67%	-46.94%
RIVN Rivian Automotive, Inc.	-22.78%	48.20%	-43.31%	27.29%	-82.23%	-2.87%

Correlation

The correlation between LUCD and RIVN is 0.13, which is low. Their historical price movements had little consistent relationship.

	Correlation
Correlation (1Y) Focuses on recent behavior, but can change the most.	0.13
Correlation (3Y) Balances recent behavior with more history.	0.19
Correlation (All Time) Calculated using the full available price history since Nov 10, 2021	0.25

The correlation between LUCD and RIVN shifts across timeframes, from 0.13 (1 year) to 0.25 (all time), reflecting how their relationship changes across market environments.

Fundamentals

Market Cap LUCD : $89.17M RIVN : $18.48B
EPS LUCD : -$202.66 RIVN : -$2.59
PS Ratio LUCD : 0.08 RIVN : 3.23
Total Revenue (TTM) LUCD : $1.26B RIVN : $5.88B
Gross Profit (TTM) LUCD : -$370.89M RIVN : $290.00M
EBITDA (TTM) LUCD : -$12.14B RIVN : -$2.45B

Return for Risk

LUCD vs. RIVN — Risk / Return Rank

Compare historical risk-adjusted metric ranks over the past 12 months.

LUCD

LUCD Risk / Return Rank: 37
LUCD Sharpe Ratio Rank: 37
LUCD Sortino Ratio Rank: 38
LUCD Omega Ratio Rank: 38
LUCD Calmar Ratio Rank: 35
LUCD Martin Ratio Rank: 35

RIVN

RIVN Risk / Return Rank: 56
RIVN Sharpe Ratio Rank: 54
RIVN Sortino Ratio Rank: 58
RIVN Omega Ratio Rank: 56
RIVN Calmar Ratio Rank: 56
RIVN Martin Ratio Rank: 55

The rank (0–100) uses a weighted average of the Sharpe, Sortino, Omega, Calmar, and Martin percentile ranks for the trailing 12 months. Higher means stronger historical risk-adjusted performance within the peer group.

LUCD vs. RIVN - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Lucid Diagnostics Inc. (LUCD) and Rivian Automotive, Inc. (RIVN). 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.

	LUCD	RIVN	Difference
Sharpe ratio: Return per unit of total volatility	-0.17	0.26	-0.43
Sortino ratio: Return per unit of downside risk	0.21	0.95	-0.74
Omega ratio: Gain probability vs. loss probability	1.03	1.11	-0.09
Calmar ratio: Return relative to maximum drawdown	-0.27	0.43	-0.70
Martin ratio: Return relative to average drawdown	-0.51	0.79	-1.30

LUCD vs. RIVN - Sharpe Ratio Comparison

The current LUCD Sharpe Ratio is -0.17, which is lower than the RIVN Sharpe Ratio of 0.26. The chart below compares the historical Sharpe Ratios of LUCD and RIVN, 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

LUCD vs. RIVN - Drawdown Comparison

The maximum LUCD drawdown since its inception was -94.74%, roughly equal to the maximum RIVN drawdown of -95.12%. Use the drawdown chart below to compare losses from any high point for LUCD and RIVN.

Drawdown Indicators

	LUCD	RIVN	Difference
Max Drawdown Largest peak-to-trough decline	-94.74%	-95.12%	+0.38%
Max Drawdown (1Y) Largest decline over 1 year	-40.71%	-42.54%	+1.83%
Max Drawdown (3Y) Largest decline over 3 years	-59.39%	-66.75%	+7.36%
Current Drawdown Current decline from peak	-93.16%	-91.15%	-2.01%
Average Drawdown Average peak-to-trough decline	-86.06%	-86.44%	+0.38%
Ulcer Index Depth and duration of drawdowns from previous peaks	21.40%	23.26%	-1.86%

Volatility

LUCD vs. RIVN - Volatility Comparison

The current volatility for Lucid Diagnostics Inc. (LUCD) is 22.78%, while Rivian Automotive, Inc. (RIVN) has a volatility of 29.28%. This indicates that LUCD experiences smaller price fluctuations and is considered to be less risky than RIVN based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	LUCD	RIVN	Difference
Volatility (1M) Calculated over the trailing 1-month period	22.78%	29.28%	-6.50%
Volatility (6M) Calculated over the trailing 6-month period	45.86%	53.37%	-7.51%
Volatility (1Y) Calculated over the trailing 1-year period	64.54%	71.02%	-6.48%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	67.49%	77.79%	-10.30%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	67.49%	77.79%	-10.30%

Dividends

LUCD vs. RIVN - Dividend Comparison

Neither LUCD nor RIVN has paid dividends to shareholders.

Tickers have no history of dividend payments

Financials

Frequently Asked Questions

Can I hold both LUCD and RIVN in my portfolio?

LUCD and RIVN have a correlation of 0.13, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, LUCD or RIVN?

RIVN has higher volatility (29.28%) compared to LUCD (22.78%). In terms of maximum drawdown, LUCD dropped -94.74% vs RIVN's -95.12%.

Which has better risk-adjusted returns?

RIVN currently has the higher Sharpe Ratio (0.26 vs -0.17), 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.