JOBY vs. VTI

Last updated Jul 11, 2026

JOBY (Joby Aviation, Inc.) is a stock, while VTI (Vanguard Total Stock Market ETF) is Large Cap Blend Equities fund tracking the CRSP US Total Market Index. Over the past 3 years, JOBY returned -8.33%/yr vs 20.66%/yr for VTI. A 0.53 correlation means they provide meaningful diversification when combined.

Performance

JOBY vs. VTI - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Joby Aviation, Inc. (JOBY) and Vanguard Total Stock Market ETF (VTI). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, JOBY achieves a -41.52% return, which is significantly lower than VTI's 11.83% return.

JOBY

• 1D: -3.38%
• 1M: -15.63%
• 6M: -49.84%
• YTD: -41.52%
• 1Y: -35.88%
• 3Y*: -8.33%
• 5Y*: —
• 10Y*: —

VTI

• 1D: 0.33%
• 1M: 2.02%
• 6M: 9.50%
• YTD: 11.83%
• 1Y: 22.81%
• 3Y*: 20.66%
• 5Y*: 12.09%
• 10Y*: 14.80%

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

JOBY vs. VTI - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021
JOBY Joby Aviation, Inc.	-41.52%	62.36%	22.26%	98.51%	-54.11%	-31.26%
VTI Vanguard Total Stock Market ETF	11.83%	17.10%	23.81%	26.05%	-19.52%	6.18%

Correlation

The correlation between JOBY and VTI is 0.58, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.58
Correlation (3Y) Calculated over the trailing 3-year period	0.54
Correlation (All Time) Calculated using the full available price history since Aug 11, 2021	0.53

The correlation between JOBY and VTI has been stable across timeframes, ranging from 0.53 to 0.58 - a consistent structural relationship.

Return for Risk

JOBY vs. VTI — Risk / Return Rank

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

JOBY

JOBY Risk / Return Rank: 25
JOBY Sharpe Ratio Rank: 23
JOBY Sortino Ratio Rank: 25
JOBY Omega Ratio Rank: 27
JOBY Calmar Ratio Rank: 23
JOBY Martin Ratio Rank: 26

VTI

VTI Risk / Return Rank: 67
VTI Sharpe Ratio Rank: 67
VTI Sortino Ratio Rank: 65
VTI Omega Ratio Rank: 66
VTI Calmar Ratio Rank: 63
VTI Martin Ratio Rank: 74

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.

JOBY vs. VTI - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Joby Aviation, Inc. (JOBY) and Vanguard Total Stock Market ETF (VTI). 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.

	JOBY	VTI	Difference
Sharpe ratio: Return per unit of total volatility	-0.49	1.75	-2.24
Sortino ratio: Return per unit of downside risk	-0.36	2.41	-2.78
Omega ratio: Gain probability vs. loss probability	0.96	1.31	-0.35
Calmar ratio: Return relative to maximum drawdown	-0.60	2.51	-3.11
Martin ratio: Return relative to average drawdown	-0.94	11.00	-11.94

JOBY vs. VTI - Sharpe Ratio Comparison

The current JOBY Sharpe Ratio is -0.49, which is lower than the VTI Sharpe Ratio of 1.75. The chart below compares the historical Sharpe Ratios of JOBY and VTI, 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

JOBY vs. VTI - Drawdown Comparison

The maximum JOBY drawdown since its inception was -76.27%, which is greater than VTI's maximum drawdown of -55.45%. Use the drawdown chart below to compare losses from any high point for JOBY and VTI.

Drawdown Indicators

	JOBY	VTI	Difference
Max Drawdown Largest peak-to-trough decline	-76.27%	-55.45%	-20.82%
Max Drawdown (1Y) Largest decline over 1 year	-62.14%	-8.92%	-53.22%
Max Drawdown (3Y) Largest decline over 3 years	-62.14%	-19.30%	-42.84%
Max Drawdown (5Y) Largest decline over 5 years	—	-25.36%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-35.00%	—
Current Drawdown Current decline from peak	-62.14%	-0.16%	-61.98%
Average Drawdown Average peak-to-trough decline	-50.45%	-8.00%	-42.45%
Ulcer Index Depth and duration of drawdowns from previous peaks	39.78%	2.03%	+37.75%

Volatility

JOBY vs. VTI - Volatility Comparison

Joby Aviation, Inc. (JOBY) has a higher volatility of 18.54% compared to Vanguard Total Stock Market ETF (VTI) at 4.34%. This indicates that JOBY's price experiences larger fluctuations and is considered to be riskier than VTI based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	JOBY	VTI	Difference
Volatility (1M) Calculated over the trailing 1-month period	18.54%	4.34%	+14.20%
Volatility (6M) Calculated over the trailing 6-month period	49.96%	10.10%	+39.86%
Volatility (1Y) Calculated over the trailing 1-year period	76.83%	12.80%	+64.03%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	80.49%	17.51%	+62.98%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	80.49%	18.28%	+62.21%

Dividends

JOBY vs. VTI - Dividend Comparison

JOBY has not paid dividends to shareholders, while VTI's dividend yield for the trailing twelve months is around 1.05%.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
JOBY Joby Aviation, Inc.	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
VTI Vanguard Total Stock Market ETF	1.05%	1.12%	1.27%	1.44%	1.66%	1.21%	1.42%	1.78%	2.04%	1.71%	1.92%	1.98%

Frequently Asked Questions

Can I hold both JOBY and VTI in my portfolio?

JOBY and VTI have a correlation of 0.58, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, JOBY or VTI?

JOBY has higher volatility (18.54%) compared to VTI (4.34%). In terms of maximum drawdown, JOBY dropped -76.27% vs VTI's -55.45%.

Which has better risk-adjusted returns?

VTI currently has the higher Sharpe Ratio (1.75 vs -0.49), 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.