RDDT vs. JOBY
RDDT (Reddit, Inc.) and JOBY (Joby Aviation, Inc.) are both stocks. RDDT operates in Internet Content & Information (Communication Services), while JOBY operates in Airports & Air Services (Industrials). Over the past year, RDDT returned 39.50% vs 3.16% for JOBY. At a 0.29 correlation, their price movements are largely independent.
Performance
RDDT vs. JOBY - Performance Comparison
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Returns By Period
The year-to-date returns for both stocks are quite close, with RDDT having a -29.48% return and JOBY slightly lower at -30.68%.
RDDT
- 1D
- -6.44%
- 1M
- 5.18%
- YTD
- -29.48%
- 6M
- -27.89%
- 1Y
- 39.50%
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
JOBY
- 1D
- -2.24%
- 1M
- -17.27%
- YTD
- -30.68%
- 6M
- -38.38%
- 1Y
- 3.16%
- 3Y*
- 5.42%
- 5Y*
- —
- 10Y*
- —
RDDT vs. JOBY - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | |
|---|---|---|---|
RDDT Reddit, Inc. | -29.48% | 40.64% | 247.74% |
JOBY Joby Aviation, Inc. | -30.68% | 62.36% | 56.95% |
Correlation
The correlation between RDDT and JOBY is 0.25, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.25 |
Correlation (All Time) Calculated using the full available price history since Mar 21, 2024 | 0.29 |
Fundamentals
RDDT:
$32.83B
JOBY:
$8.63B
RDDT:
$3.56
JOBY:
-$1.10
RDDT:
13.03
JOBY:
102.48
RDDT:
10.32
JOBY:
4.41
RDDT:
$2.47B
JOBY:
$77.67M
RDDT:
$2.26B
JOBY:
$8.72M
RDDT:
$655.01M
JOBY:
-$1.05B
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Return for Risk
RDDT vs. JOBY — Risk / Return Rank
RDDT
JOBY
RDDT vs. JOBY - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Reddit, Inc. (RDDT) and Joby Aviation, Inc. (JOBY). 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.
| RDDT | JOBY | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.56 | ||
| Sortino ratioReturn per unit of downside risk | +0.58 | ||
| Omega ratioGain probability vs. loss probability | 1.15 | 1.07 | +0.07 |
| Calmar ratioReturn relative to maximum drawdown | 0.72 | 0.05 | +0.67 |
| Martin ratioReturn relative to average drawdown | 1.32 | 0.09 | +1.24 |
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Drawdowns
RDDT vs. JOBY - Drawdown Comparison
The maximum RDDT drawdown since its inception was -61.41%, smaller than the maximum JOBY drawdown of -76.27%. Use the drawdown chart below to compare losses from any high point for RDDT and JOBY.
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Drawdown Indicators
| RDDT | JOBY | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -61.41% | -76.27% | +14.86% |
Max Drawdown (1Y)Largest decline over 1 year | -54.99% | -61.06% | +6.07% |
Max Drawdown (3Y)Largest decline over 3 years | — | -61.06% | — |
Current DrawdownCurrent decline from peak | -40.12% | -55.13% | +15.01% |
Average DrawdownAverage peak-to-trough decline | -24.49% | -50.36% | +25.87% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 29.98% | 36.83% | -6.85% |
Volatility
RDDT vs. JOBY - Volatility Comparison
The current volatility for Reddit, Inc. (RDDT) is 20.93%, while Joby Aviation, Inc. (JOBY) has a volatility of 22.37%. This indicates that RDDT experiences smaller price fluctuations and is considered to be less risky than JOBY based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| RDDT | JOBY | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 20.93% | 22.37% | -1.44% |
Volatility (6M)Calculated over the trailing 6-month period | 46.09% | 51.20% | -5.11% |
Volatility (1Y)Calculated over the trailing 1-year period | 65.69% | 78.50% | -12.81% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 81.25% | 80.72% | +0.53% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 81.25% | 80.72% | +0.53% |
Dividends
RDDT vs. JOBY - Dividend Comparison
Neither RDDT nor JOBY has paid dividends to shareholders.
Financials
RDDT vs. JOBY - Financials Comparison
This section allows you to compare key financial metrics between Reddit, Inc. and Joby Aviation, Inc.. You can select fields from income statements, balance sheets, and cash flow statements to easily visualize and compare the financial health of both companies.
Total Revenue: Total amount of money received from sales and other business activities
Frequently Asked Questions
RDDT and JOBY have a correlation of 0.25, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
JOBY has higher volatility (22.37%) compared to RDDT (20.93%). In terms of maximum drawdown, RDDT dropped -61.41% vs JOBY's -76.27%.
RDDT currently has the higher Sharpe Ratio (0.60 vs 0.04), 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.
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