RNG vs. FSLY

Last updated Apr 1, 2026

Compare and contrast key facts about RingCentral, Inc. (RNG) and Fastly, Inc. (FSLY).

Performance

RNG vs. FSLY - Performance Comparison

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

RNG vs. FSLY - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019
RNG RingCentral, Inc.	29.00%	-17.51%	3.12%	-4.10%	-81.10%	-50.56%	124.68%	36.51%
FSLY Fastly, Inc.	185.46%	7.84%	-46.97%	117.34%	-76.90%	-59.43%	335.33%	-16.34%

Fundamentals

Market Cap RNG : $3.27B FSLY : $4.37B
EPS RNG : $0.48 FSLY : -$0.82
PS Ratio RNG : 1.34 FSLY : 6.90
Total Revenue (TTM) RNG : $2.52B FSLY : $624.02M
Gross Profit (TTM) RNG : $1.79B FSLY : $351.40M
EBITDA (TTM) RNG : $331.71M FSLY : -$39.96M

Returns By Period

In the year-to-date period, RNG achieves a 29.00% return, which is significantly lower than FSLY's 185.46% return.

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%

FSLY

• 1D: 13.87%
• 1M: 51.99%
• YTD: 185.46%
• 6M: 239.88%
• 1Y: 359.08%
• 3Y*: 17.84%
• 5Y*: -16.20%
• 10Y*: —

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

Return for Risk

RNG vs. FSLY — Risk / Return Rank

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

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

FSLY

FSLY Risk / Return Rank: 98
FSLY Sharpe Ratio Rank: 98
FSLY Sortino Ratio Rank: 99
FSLY Omega Ratio Rank: 97
FSLY Calmar Ratio Rank: 98
FSLY Martin Ratio Rank: 98

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.

RNG vs. FSLY - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for RingCentral, Inc. (RNG) and Fastly, Inc. (FSLY). 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.

	RNG	FSLY	Difference
Sharpe ratio Return per unit of total volatility	0.79	3.37	-2.59
Sortino ratio Return per unit of downside risk	1.76	4.94	-3.18
Omega ratio Gain probability vs. loss probability	1.22	1.58	-0.36
Calmar ratio Return relative to maximum drawdown	1.95	9.76	-7.81
Martin ratio Return relative to average drawdown	4.34	25.25	-20.91
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

RNG vs. FSLY - Sharpe Ratio Comparison

The current RNG Sharpe Ratio is 0.79, which is lower than the FSLY Sharpe Ratio of 3.37. The chart below compares the historical Sharpe Ratios of RNG and FSLY, 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

	RNG	FSLY	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.79	3.37	-2.59
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	-0.55	-0.19	-0.36
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.16	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.11	0.03	+0.08

Correlation

The correlation between RNG and FSLY is 0.53, 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

RNG vs. FSLY - Dividend Comparison

RNG's dividend yield for the trailing twelve months is around 0.20%, while FSLY has not paid dividends to shareholders.

	TTM
RNG RingCentral, Inc.	0.20%
FSLY Fastly, Inc.	0.00%

Drawdowns

RNG vs. FSLY - Drawdown Comparison

The maximum RNG drawdown since its inception was -95.15%, roughly equal to the maximum FSLY drawdown of -96.12%. Use the drawdown chart below to compare losses from any high point for RNG and FSLY.

Drawdown Indicators

	RNG	FSLY	Difference
Max Drawdown Largest peak-to-trough decline	-95.15%	-96.12%	+0.97%
Max Drawdown (1Y) Largest decline over 1 year	-23.49%	-35.49%	+12.00%
Max Drawdown (5Y) Largest decline over 5 years	-93.49%	-93.05%	-0.44%
Max Drawdown (10Y) Largest decline over 10 years	-95.15%	—	—
Current Drawdown Current decline from peak	-91.60%	-77.44%	-14.16%
Average Drawdown Average peak-to-trough decline	-41.60%	-69.85%	+28.25%
Ulcer Index Depth and duration of drawdowns from previous peaks	10.52%	13.72%	-3.20%

Volatility

RNG vs. FSLY - Volatility Comparison

The current volatility for RingCentral, Inc. (RNG) is 15.68%, while Fastly, Inc. (FSLY) has a volatility of 28.89%. This indicates that RNG experiences smaller price fluctuations and is considered to be less risky than FSLY based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	RNG	FSLY	Difference
Volatility (1M) Calculated over the trailing 1-month period	15.68%	28.89%	-13.21%
Volatility (6M) Calculated over the trailing 6-month period	46.78%	78.55%	-31.77%
Volatility (1Y) Calculated over the trailing 1-year period	64.68%	107.33%	-42.65%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	62.12%	84.47%	-22.35%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	54.96%	87.39%	-32.43%

Financials

RNG vs. FSLY - Profitability Comparison

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

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%.

FSLY - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Apr 2026, Fastly, Inc. reported a gross profit of 105.96M and revenue of 172.61M. Therefore, the gross margin over that period was 61.4%.

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%.

FSLY - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Apr 2026, Fastly, Inc. reported an operating income of -15.09M and revenue of 172.61M, resulting in an operating margin of -8.7%.

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%.

FSLY - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Apr 2026, Fastly, Inc. reported a net income of -15.51M and revenue of 172.61M, resulting in a net margin of -9.0%.