RNG vs. FSLY
RNG (RingCentral, Inc.) and FSLY (Fastly, Inc.) are both stocks. Both operate in the Software - Application industry within the Technology sector. Over the past 5 years, RNG returned -34.83%/yr vs -21.37%/yr for FSLY. A 0.52 correlation means they provide meaningful diversification when combined.
Performance
RNG vs. FSLY - Performance Comparison
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Returns By Period
In the year-to-date period, RNG achieves a 21.04% return, which is significantly lower than FSLY's 68.66% return.
RNG
- 1D
- -0.51%
- 1M
- -19.86%
- YTD
- 21.04%
- 6M
- 17.85%
- 1Y
- 30.87%
- 3Y*
- 2.91%
- 5Y*
- -34.83%
- 10Y*
- 5.73%
FSLY
- 1D
- -4.08%
- 1M
- 5.21%
- YTD
- 68.66%
- 6M
- 60.32%
- 1Y
- 153.99%
- 3Y*
- 3.51%
- 5Y*
- -21.37%
- 10Y*
- —
RNG vs. FSLY - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | |
|---|---|---|---|---|---|---|---|---|
RNG RingCentral, Inc. | 21.04% | -17.51% | 3.12% | -4.10% | -81.10% | -50.56% | 124.68% | 35.38% |
FSLY Fastly, Inc. | 68.66% | 7.84% | -46.97% | 117.34% | -76.90% | -59.43% | 335.33% | -6.65% |
Correlation
The correlation between RNG and FSLY is 0.27, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.27 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.46 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.56 |
Correlation (All Time) Calculated using the full available price history since May 17, 2019 | 0.52 |
Over the past year, the correlation between RNG and FSLY has dropped to 0.27 - well below their long-term average of 0.52, suggesting their price drivers have been diverging.
Fundamentals
RNG:
$3.03B
FSLY:
$2.64B
RNG:
$0.94
FSLY:
-$0.69
RNG:
1.23
FSLY:
3.93
RNG:
$2.55B
FSLY:
$652.57M
RNG:
$1.82B
FSLY:
$382.79M
RNG:
$364.66M
FSLY:
-$22.82M
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Return for Risk
RNG vs. FSLY — Risk / Return Rank
RNG
FSLY
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.
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.
| RNG | FSLY | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.87 | ||
| Sortino ratioReturn per unit of downside risk | -1.25 | ||
| Omega ratioGain probability vs. loss probability | 1.16 | 1.36 | -0.20 |
| Calmar ratioReturn relative to maximum drawdown | 1.07 | 3.02 | -1.95 |
| Martin ratioReturn relative to average drawdown | 2.64 | 7.62 | -4.98 |
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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.
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Drawdown Indicators
| RNG | FSLY | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -95.15% | -96.12% | +0.97% |
Max Drawdown (1Y)Largest decline over 1 year | -28.93% | -51.28% | +22.35% |
Max Drawdown (3Y)Largest decline over 3 years | -49.86% | -79.99% | +30.13% |
Max Drawdown (5Y)Largest decline over 5 years | -92.99% | -91.81% | -1.18% |
Max Drawdown (10Y)Largest decline over 10 years | -95.15% | — | — |
Current DrawdownCurrent decline from peak | -92.11% | -86.67% | -5.44% |
Average DrawdownAverage peak-to-trough decline | -42.45% | -70.22% | +27.77% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 11.72% | 20.29% | -8.57% |
Volatility
RNG vs. FSLY - Volatility Comparison
The current volatility for RingCentral, Inc. (RNG) is 19.04%, while Fastly, Inc. (FSLY) has a volatility of 22.84%. 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.
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Volatility by Period
| RNG | FSLY | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 19.04% | 22.84% | -3.80% |
Volatility (6M)Calculated over the trailing 6-month period | 53.10% | 97.98% | -44.88% |
Volatility (1Y)Calculated over the trailing 1-year period | 68.89% | 117.43% | -48.54% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 63.09% | 87.36% | -24.27% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 55.67% | 89.28% | -33.61% |
Dividends
RNG vs. FSLY - Dividend Comparison
RNG's dividend yield for the trailing twelve months is around 0.43%, while FSLY has not paid dividends to shareholders.
| Position | TTM |
|---|---|
FSLY Fastly, Inc. | 0.00% |
RNG RingCentral, Inc. | 0.43% |
Financials
RNG vs. FSLY - Financials Comparison
This section allows you to compare key financial metrics between RingCentral, Inc. and Fastly, 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
RNG vs. FSLY - Profitability Comparison
RNG - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, RingCentral, Inc. reported a gross profit of 464.77M and revenue of 644.20M. Therefore, the gross margin over that period was 72.2%.
FSLY - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Fastly, Inc. reported a gross profit of 108.18M and revenue of 173.02M. Therefore, the gross margin over that period was 62.5%.
RNG - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, RingCentral, Inc. reported an operating income of 50.03M and revenue of 644.20M, resulting in an operating margin of 7.8%.
FSLY - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Fastly, Inc. reported an operating income of -23.90M and revenue of 173.02M, resulting in an operating margin of -13.8%.
RNG - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, RingCentral, Inc. reported a net income of 30.62M and revenue of 644.20M, resulting in a net margin of 4.8%.
FSLY - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Fastly, Inc. reported a net income of -20.52M and revenue of 173.02M, resulting in a net margin of -11.9%.
Frequently Asked Questions
RNG and FSLY have a correlation of 0.27, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
FSLY has higher volatility (22.84%) compared to RNG (19.04%). In terms of maximum drawdown, RNG dropped -95.15% vs FSLY's -96.12%.
FSLY currently has the higher Sharpe Ratio (1.32 vs 0.45), 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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