RBLX vs. ZM
RBLX (Roblox Corporation) and ZM (Zoom Video Communications, Inc.) are both stocks. Both are in the Communication Services sector — RBLX in Electronic Gaming & Multimedia, ZM in Telecom Services. Over the past 5 years, RBLX returned -15.93%/yr vs -21.27%/yr for ZM. At a 0.46 correlation, their price movements are largely independent.
Performance
RBLX vs. ZM - Performance Comparison
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Returns By Period
In the year-to-date period, RBLX achieves a -48.39% return, which is significantly lower than ZM's 17.77% return.
RBLX
- 1D
- -3.53%
- 1M
- -4.43%
- YTD
- -48.39%
- 6M
- -56.56%
- 1Y
- -55.61%
- 3Y*
- 0.39%
- 5Y*
- -15.93%
- 10Y*
- —
ZM
- 1D
- -3.41%
- 1M
- -3.34%
- YTD
- 17.77%
- 6M
- 15.94%
- 1Y
- 24.95%
- 3Y*
- 13.50%
- 5Y*
- -21.27%
- 10Y*
- —
RBLX vs. ZM - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | |
|---|---|---|---|---|---|---|
RBLX Roblox Corporation | -48.39% | 40.04% | 26.55% | 60.65% | -72.41% | 48.43% |
ZM Zoom Video Communications, Inc. | 17.77% | 5.73% | 13.49% | 6.16% | -63.17% | -45.27% |
Correlation
The correlation between RBLX and ZM is 0.20, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.20 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.30 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.46 |
Correlation (All Time) Calculated using the full available price history since Mar 11, 2021 | 0.46 |
Over the past year, the correlation between RBLX and ZM has dropped to 0.20 - well below their long-term average of 0.46, suggesting their price drivers have been diverging.
Fundamentals
RBLX:
$29.76B
ZM:
$30.51B
RBLX:
-$1.57
ZM:
$6.79
RBLX:
5.52
ZM:
6.28
RBLX:
68.90
ZM:
3.06
RBLX:
$5.30B
ZM:
$4.93B
RBLX:
$4.16B
ZM:
$3.82B
RBLX:
-$944.43M
ZM:
$1.90B
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Return for Risk
RBLX vs. ZM — Risk / Return Rank
RBLX
ZM
RBLX vs. ZM - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Roblox Corporation (RBLX) and Zoom Video Communications, Inc. (ZM). 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.
| RBLX | ZM | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -1.55 | ||
| Sortino ratioReturn per unit of downside risk | -2.59 | ||
| Omega ratioGain probability vs. loss probability | 0.83 | 1.15 | -0.32 |
| Calmar ratioReturn relative to maximum drawdown | -0.79 | 1.03 | -1.81 |
| Martin ratioReturn relative to average drawdown | -1.37 | 2.84 | -4.21 |
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
| RBLX | ZM | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | -0.94 | 0.61 | -1.55 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | -0.23 | -0.48 | +0.25 |
Sharpe Ratio (All Time)Calculated using the full available price history | -0.13 | 0.13 | -0.26 |
Drawdowns
RBLX vs. ZM - Drawdown Comparison
The maximum RBLX drawdown since its inception was -82.79%, smaller than the maximum ZM drawdown of -90.27%. Use the drawdown chart below to compare losses from any high point for RBLX and ZM.
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Drawdown Indicators
| RBLX | ZM | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -82.79% | -90.27% | +7.48% |
Max Drawdown (1Y)Largest decline over 1 year | -70.82% | -24.42% | -46.40% |
Max Drawdown (3Y)Largest decline over 3 years | -70.82% | -25.45% | -45.37% |
Max Drawdown (5Y)Largest decline over 5 years | -82.79% | -86.21% | +3.42% |
Current DrawdownCurrent decline from peak | -70.46% | -82.12% | +11.66% |
Average DrawdownAverage peak-to-trough decline | -52.98% | -62.82% | +9.84% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 40.59% | 8.99% | +31.60% |
Volatility
RBLX vs. ZM - Volatility Comparison
Roblox Corporation (RBLX) and Zoom Video Communications, Inc. (ZM) have volatilities of 17.33% and 17.82%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| RBLX | ZM | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 17.33% | 17.82% | -0.49% |
Volatility (6M)Calculated over the trailing 6-month period | 47.87% | 34.16% | +13.71% |
Volatility (1Y)Calculated over the trailing 1-year period | 59.36% | 41.30% | +18.06% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 69.19% | 44.43% | +24.76% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 70.08% | 54.52% | +15.56% |
Dividends
RBLX vs. ZM - Dividend Comparison
Neither RBLX nor ZM has paid dividends to shareholders.
Financials
RBLX vs. ZM - Financials Comparison
This section allows you to compare key financial metrics between Roblox Corporation and Zoom Video Communications, 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
RBLX vs. ZM - Profitability Comparison
RBLX - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Roblox Corporation reported a gross profit of 1.15B and revenue of 1.44B. Therefore, the gross margin over that period was 79.6%.
ZM - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Zoom Video Communications, Inc. reported a gross profit of 964.72M and revenue of 1.24B. Therefore, the gross margin over that period was 77.9%.
RBLX - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Roblox Corporation reported an operating income of -294.00M and revenue of 1.44B, resulting in an operating margin of -20.4%.
ZM - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Zoom Video Communications, Inc. reported an operating income of 310.47M and revenue of 1.24B, resulting in an operating margin of 25.1%.
RBLX - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Roblox Corporation reported a net income of -246.00M and revenue of 1.44B, resulting in a net margin of -17.1%.
ZM - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Zoom Video Communications, Inc. reported a net income of 425.68M and revenue of 1.24B, resulting in a net margin of 34.4%.
Frequently Asked Questions
RBLX and ZM have a correlation of 0.20, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
ZM has higher volatility (17.82%) compared to RBLX (17.33%). In terms of maximum drawdown, RBLX dropped -82.79% vs ZM's -90.27%.
ZM currently has the higher Sharpe Ratio (0.61 vs -0.94), 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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