ZM vs. RNG
ZM (Zoom Video Communications, Inc.) and RNG (RingCentral, Inc.) are both stocks. ZM operates in Telecom Services (Communication Services), while RNG operates in Software - Application (Technology). Over the past 5 years, ZM returned -23.97%/yr vs -26.90%/yr for RNG. Their 0.58 correlation means they have sometimes moved together and sometimes differently.
Performance
ZM vs. RNG - Performance Comparison
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Returns By Period
In the year-to-date period, ZM achieves a 11.33% return, which is significantly lower than RNG's 93.23% return.
ZM
- 1D
- 4.06%
- 1M
- 10.24%
- 6M
- 4.31%
- YTD
- 11.33%
- 1Y
- 35.37%
- 3Y*
- 9.63%
- 5Y*
- -23.97%
- 10Y*
- —
- ALL TIME*
- 5.51%
RNG
- 1D
- 4.00%
- 1M
- 39.02%
- 6M
- 115.63%
- YTD
- 93.23%
- 1Y
- 136.16%
- 3Y*
- 10.34%
- 5Y*
- -26.90%
- 10Y*
- 9.33%
- ALL TIME*
- 9.57%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
| $166.64M | $110.87M | $87.41M | |
| $292.76M | $286.72M | $412.83M |
ZM vs. RNG - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | |
|---|---|---|---|---|---|---|---|---|
ZM Zoom Video Communications, Inc. | 11.33% | 5.73% | 13.49% | 6.16% | -63.17% | -45.48% | 395.77% | 4.68% |
RNG RingCentral, Inc. | 93.23% | -17.51% | 3.12% | -4.10% | -81.10% | -50.56% | 124.68% | 61.86% |
Correlation
The correlation between ZM and RNG is 0.62, which is moderate. They have sometimes moved together and sometimes differently, sharing some price drivers without tracking each other closely.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | 0.62 |
Correlation (3Y) Balances recent behavior with more history. | 0.59 |
Correlation (5Y) Shows whether the relationship held over a longer period. | 0.66 |
Correlation (All Time) Calculated using the full available price history since Apr 18, 2019 | 0.58 |
The correlation between ZM and RNG has been stable across timeframes, ranging from 0.58 to 0.66 - a consistent structural relationship.
Fundamentals
ZM:
$28.17B
RNG:
$4.80B
ZM:
$6.81
RNG:
$1.25
ZM:
14.10
RNG:
44.65
ZM:
5.92
RNG:
1.91
ZM:
$4.93B
RNG:
$2.58B
ZM:
$3.82B
RNG:
$1.86B
ZM:
$1.90B
RNG:
$300.06M
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Return for Risk
ZM vs. RNG — Risk / Return Rank
ZM
RNG
ZM vs. RNG - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Zoom Video Communications, Inc. (ZM) and RingCentral, Inc. (RNG). 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.
| ZM | RNG | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.91 | ||
| Sortino ratioReturn per unit of downside risk | -1.44 | ||
| Omega ratioGain probability vs. loss probability | 1.16 | 1.33 | -0.17 |
| Calmar ratioReturn relative to maximum drawdown | 1.15 | 4.08 | -2.93 |
| Martin ratioReturn relative to average drawdown | 2.64 | 9.42 | -6.79 |
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Drawdowns
ZM vs. RNG - Drawdown Comparison
The maximum ZM drawdown since its inception was -90.27%, smaller than the maximum RNG drawdown of -95.15%. Use the drawdown chart below to compare losses from any high point for ZM and RNG.
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Drawdown Indicators
| ZM | RNG | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -90.27% | -95.15% | +4.88% |
Max Drawdown (1Y)Largest decline over 1 year | -25.92% | -29.32% | +3.40% |
Max Drawdown (3Y)Largest decline over 3 years | -25.92% | -48.57% | +22.65% |
Max Drawdown (5Y)Largest decline over 5 years | -86.19% | -92.36% | +6.17% |
Max Drawdown (10Y)Largest decline over 10 years | — | -95.15% | — |
Current DrawdownCurrent decline from peak | -83.10% | -87.41% | +4.31% |
Average DrawdownAverage peak-to-trough decline | -63.23% | -42.86% | -20.37% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 11.32% | 12.69% | -1.37% |
Volatility
ZM vs. RNG - Volatility Comparison
The current volatility for Zoom Video Communications, Inc. (ZM) is 11.09%, while RingCentral, Inc. (RNG) has a volatility of 28.56%. This indicates that ZM experiences smaller price fluctuations and is considered to be less risky than RNG based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| ZM | RNG | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 11.09% | 28.56% | -17.47% |
Volatility (6M)Calculated over the trailing 6-month period | 34.10% | 59.45% | -25.35% |
Volatility (1Y)Calculated over the trailing 1-year period | 43.66% | 75.16% | -31.50% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 44.55% | 64.53% | -19.98% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 54.28% | 56.51% | -2.23% |
Dividends
ZM vs. RNG - Dividend Comparison
ZM has not paid dividends to shareholders, while RNG's dividend yield for the trailing twelve months is around 0.27%.
| Position | TTM |
|---|---|
RNG RingCentral, Inc. | 0.27% |
ZM Zoom Video Communications, Inc. | 0.00% |
Financials
ZM vs. RNG - Financials Comparison
This section allows you to compare key financial metrics between Zoom Video Communications, Inc. and RingCentral, 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
ZM vs. RNG - Profitability Comparison
ZM - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Aug 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%.
RNG - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Aug 2026, RingCentral, Inc. reported a gross profit of 472.31M and revenue of 657.01M. Therefore, the gross margin over that period was 71.9%.
ZM - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Aug 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%.
RNG - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Aug 2026, RingCentral, Inc. reported an operating income of 50.29M and revenue of 657.01M, resulting in an operating margin of 7.7%.
ZM - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Aug 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%.
RNG - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Aug 2026, RingCentral, Inc. reported a net income of 39.12M and revenue of 657.01M, resulting in a net margin of 6.0%.
Frequently Asked Questions
ZM and RNG have a correlation of 0.62, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
RNG has higher volatility (28.56%) compared to ZM (11.09%). In terms of maximum drawdown, ZM dropped -90.27% vs RNG's -95.15%.
RNG currently has the higher Sharpe Ratio (1.59 vs 0.68), 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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