ZG vs. RKLB
ZG (Zillow Group, Inc.) and RKLB (Rocket Lab USA, Inc.) are both stocks. ZG operates in Internet Content & Information (Communication Services), while RKLB operates in Aerospace & Defense (Industrials). Over the past 3 years, ZG returned -8.04%/yr vs 186.06%/yr for RKLB. At a 0.37 correlation, their price movements are largely independent.
Performance
ZG vs. RKLB - Performance Comparison
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Returns By Period
In the year-to-date period, ZG achieves a -47.84% return, which is significantly lower than RKLB's 64.42% return.
ZG
- 1D
- -2.71%
- 1M
- -19.61%
- YTD
- -47.84%
- 6M
- -51.82%
- 1Y
- -47.66%
- 3Y*
- -8.04%
- 5Y*
- -20.27%
- 10Y*
- 1.81%
RKLB
- 1D
- -6.99%
- 1M
- 42.82%
- YTD
- 64.42%
- 6M
- 156.48%
- 1Y
- 329.27%
- 3Y*
- 186.06%
- 5Y*
- —
- 10Y*
- —
ZG vs. RKLB - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | |
|---|---|---|---|---|---|---|
ZG Zillow Group, Inc. | -47.84% | -3.70% | 24.91% | 81.74% | -49.84% | -36.39% |
RKLB Rocket Lab USA, Inc. | 64.42% | 173.89% | 360.58% | 46.68% | -69.30% | 6.14% |
Correlation
The correlation between ZG and RKLB is 0.16, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.16 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.31 |
Correlation (All Time) Calculated using the full available price history since Aug 25, 2021 | 0.37 |
Over the past year, the correlation between ZG and RKLB has dropped to 0.16 - well below their long-term average of 0.37, suggesting their price drivers have been diverging.
Fundamentals
ZG:
$8.53B
RKLB:
$69.44B
ZG:
$0.24
RKLB:
-$0.33
ZG:
3.30
RKLB:
93.75
ZG:
1.93
RKLB:
30.67
ZG:
$2.69B
RKLB:
$679.58M
ZG:
$1.98B
RKLB:
$248.43M
ZG:
$263.00M
RKLB:
-$177.36M
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Return for Risk
ZG vs. RKLB — Risk / Return Rank
ZG
RKLB
ZG vs. RKLB - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Zillow Group, Inc. (ZG) and Rocket Lab USA, Inc. (RKLB). 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.
| ZG | RKLB | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -4.71 | ||
| Sortino ratioReturn per unit of downside risk | -4.99 | ||
| Omega ratioGain probability vs. loss probability | 0.80 | 1.41 | -0.61 |
| Calmar ratioReturn relative to maximum drawdown | -0.81 | 7.71 | -8.52 |
| Martin ratioReturn relative to average drawdown | -1.52 | 18.10 | -19.62 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
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Sharpe Ratios by Period
| ZG | RKLB | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | -1.10 | 3.61 | -4.71 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | -0.39 | — | — |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.03 | — | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.20 | 0.76 | -0.56 |
Drawdowns
ZG vs. RKLB - Drawdown Comparison
The maximum ZG drawdown since its inception was -86.74%, roughly equal to the maximum RKLB drawdown of -82.96%. Use the drawdown chart below to compare losses from any high point for ZG and RKLB.
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Drawdown Indicators
| ZG | RKLB | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -86.74% | -82.96% | -3.78% |
Max Drawdown (1Y)Largest decline over 1 year | -59.24% | -43.01% | -16.23% |
Max Drawdown (3Y)Largest decline over 3 years | -59.24% | -55.49% | -3.75% |
Max Drawdown (5Y)Largest decline over 5 years | -78.31% | — | — |
Max Drawdown (10Y)Largest decline over 10 years | -86.74% | — | — |
Current DrawdownCurrent decline from peak | -82.54% | -23.65% | -58.89% |
Average DrawdownAverage peak-to-trough decline | -38.29% | -51.47% | +13.18% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 31.49% | 18.29% | +13.20% |
Volatility
ZG vs. RKLB - Volatility Comparison
The current volatility for Zillow Group, Inc. (ZG) is 8.96%, while Rocket Lab USA, Inc. (RKLB) has a volatility of 42.00%. This indicates that ZG experiences smaller price fluctuations and is considered to be less risky than RKLB based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| ZG | RKLB | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 8.96% | 42.00% | -33.04% |
Volatility (6M)Calculated over the trailing 6-month period | 35.42% | 72.36% | -36.94% |
Volatility (1Y)Calculated over the trailing 1-year period | 43.31% | 92.02% | -48.71% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 52.43% | 81.45% | -29.02% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 53.04% | 81.45% | -28.41% |
Dividends
ZG vs. RKLB - Dividend Comparison
Neither ZG nor RKLB has paid dividends to shareholders.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
RKLB Rocket Lab USA, 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% |
ZG Zillow Group, Inc. | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 223.86% |
Financials
ZG vs. RKLB - Financials Comparison
This section allows you to compare key financial metrics between Zillow Group, Inc. and Rocket Lab USA, 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
ZG vs. RKLB - Profitability Comparison
ZG - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Zillow Group, Inc. reported a gross profit of 519.00M and revenue of 708.00M. Therefore, the gross margin over that period was 73.3%.
RKLB - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Rocket Lab USA, Inc. reported a gross profit of 76.49M and revenue of 200.35M. Therefore, the gross margin over that period was 38.2%.
ZG - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Zillow Group, Inc. reported an operating income of 36.00M and revenue of 708.00M, resulting in an operating margin of 5.1%.
RKLB - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Rocket Lab USA, Inc. reported an operating income of -55.97M and revenue of 200.35M, resulting in an operating margin of -27.9%.
ZG - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Zillow Group, Inc. reported a net income of 46.00M and revenue of 708.00M, resulting in a net margin of 6.5%.
RKLB - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Rocket Lab USA, Inc. reported a net income of -45.02M and revenue of 200.35M, resulting in a net margin of -22.5%.
Frequently Asked Questions
ZG and RKLB have a correlation of 0.16, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
RKLB has higher volatility (42.00%) compared to ZG (8.96%). In terms of maximum drawdown, ZG dropped -86.74% vs RKLB's -82.96%.
RKLB currently has the higher Sharpe Ratio (3.61 vs -1.10), 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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