ZM vs. RNG

Last updated Apr 1, 2026

Compare and contrast key facts about Zoom Video Communications, Inc. (ZM) and RingCentral, Inc. (RNG).

Performance

ZM vs. RNG - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Zoom Video Communications, Inc. (ZM) and RingCentral, Inc. (RNG). The values are adjusted to include any dividend payments, if applicable.

ZM vs. RNG - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019
ZM Zoom Video Communications, Inc.	-6.84%	5.73%	13.49%	6.16%	-63.17%	-45.48%	395.77%	9.74%
RNG RingCentral, Inc.	29.00%	-17.51%	3.12%	-4.10%	-81.10%	-50.56%	124.68%	59.88%

Fundamentals

Market Cap ZM : $24.37B RNG : $3.27B
EPS ZM : $6.17 RNG : $0.48
PE Ratio ZM : 13.04 RNG : 77.93
PS Ratio ZM : 5.09 RNG : 1.34
Total Revenue (TTM) ZM : $4.87B RNG : $2.52B
Gross Profit (TTM) ZM : $3.75B RNG : $1.79B
EBITDA (TTM) ZM : $1.22B RNG : $331.71M

Returns By Period

In the year-to-date period, ZM achieves a -6.84% return, which is significantly lower than RNG's 29.00% return.

ZM

• 1D: 2.17%
• 1M: 8.72%
• YTD: -6.84%
• 6M: -2.56%
• 1Y: 8.97%
• 3Y*: 2.87%
• 5Y*: -24.43%
• 10Y*: —

RNG

• 1D: 2.68%
• 1M: 2.21%
• YTD: 29.00%
• 6M: 31.46%
• 1Y: 50.47%
• 3Y*: 6.70%
• 5Y*: -34.33%
• 10Y*: 8.86%

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

Return for Risk

ZM vs. RNG — Risk / Return Rank

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

ZM

ZM Risk / Return Rank: 49
ZM Sharpe Ratio Rank: 51
ZM Sortino Ratio Rank: 47
ZM Omega Ratio Rank: 47
ZM Calmar Ratio Rank: 50
ZM Martin Ratio Rank: 51

RNG

RNG Risk / Return Rank: 73
RNG Sharpe Ratio Rank: 69
RNG Sortino Ratio Rank: 74
RNG Omega Ratio Rank: 71
RNG Calmar Ratio Rank: 77
RNG 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.

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.

	ZM	RNG	Difference
Sharpe ratio Return per unit of total volatility	0.25	0.79	-0.54
Sortino ratio Return per unit of downside risk	0.64	1.76	-1.12
Omega ratio Gain probability vs. loss probability	1.08	1.22	-0.14
Calmar ratio Return relative to maximum drawdown	0.30	1.95	-1.64
Martin ratio Return relative to average drawdown	0.80	4.34	-3.54
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

ZM vs. RNG - Sharpe Ratio Comparison

The current ZM Sharpe Ratio is 0.25, which is lower than the RNG Sharpe Ratio of 0.79. The chart below compares the historical Sharpe Ratios of ZM and RNG, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	ZM	RNG	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.25	0.79	-0.54
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	-0.56	-0.55	-0.01
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.16	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.07	0.11	-0.04

Correlation

The correlation between ZM and RNG is 0.58, which is considered to be moderate. This suggests that the two assets have some degree of positive relationship in their price movements. Moderate correlation can be acceptable for portfolio diversification, offering a balance between risk and potential returns.

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 0.20%.

	TTM
ZM Zoom Video Communications, Inc.	0.00%
RNG RingCentral, Inc.	0.20%

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.

Drawdown Indicators

	ZM	RNG	Difference
Max Drawdown Largest peak-to-trough decline	-90.27%	-95.15%	+4.88%
Max Drawdown (1Y) Largest decline over 1 year	-24.42%	-23.49%	-0.93%
Max Drawdown (5Y) Largest decline over 5 years	-86.21%	-93.49%	+7.28%
Max Drawdown (10Y) Largest decline over 10 years	—	-95.15%	—
Current Drawdown Current decline from peak	-85.86%	-91.60%	+5.74%
Average Drawdown Average peak-to-trough decline	-62.29%	-41.60%	-20.69%
Ulcer Index Depth and duration of drawdowns from previous peaks	9.21%	10.52%	-1.31%

Volatility

ZM vs. RNG - Volatility Comparison

The current volatility for Zoom Video Communications, Inc. (ZM) is 8.65%, while RingCentral, Inc. (RNG) has a volatility of 15.68%. 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.

Volatility by Period

	ZM	RNG	Difference
Volatility (1M) Calculated over the trailing 1-month period	8.65%	15.68%	-7.03%
Volatility (6M) Calculated over the trailing 6-month period	28.61%	46.78%	-18.17%
Volatility (1Y) Calculated over the trailing 1-year period	36.67%	64.68%	-28.01%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	43.77%	62.12%	-18.35%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	54.49%	54.96%	-0.47%

Financials

ZM vs. RNG - Profitability Comparison

The chart below illustrates the profitability comparison between Zoom Video Communications, Inc. and RingCentral, Inc. over time, highlighting three key metrics: Gross Profit Margin, Operating Margin, and Net Profit Margin.

ZM - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Apr 2026, Zoom Video Communications, Inc. reported a gross profit of 951.29M and revenue of 1.25B. Therefore, the gross margin over that period was 76.3%.

RNG - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Apr 2026, RingCentral, Inc. reported a gross profit of 460.53M and revenue of 644.03M. Therefore, the gross margin over that period was 71.5%.

ZM - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Apr 2026, Zoom Video Communications, Inc. reported an operating income of 249.89M and revenue of 1.25B, resulting in an operating margin of 20.0%.

RNG - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Apr 2026, RingCentral, Inc. reported an operating income of 42.44M and revenue of 644.03M, resulting in an operating margin of 6.6%.

ZM - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Apr 2026, Zoom Video Communications, Inc. reported a net income of 674.08M and revenue of 1.25B, resulting in a net margin of 54.1%.

RNG - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Apr 2026, RingCentral, Inc. reported a net income of 22.97M and revenue of 644.03M, resulting in a net margin of 3.6%.