FSLY vs. NET
FSLY (Fastly, Inc.) and NET (Cloudflare, Inc.) are both stocks. Both are in the Technology sector — FSLY in Software - Application, NET in Software - Infrastructure. Over the past 5 years, FSLY returned -21.37%/yr vs 16.05%/yr for NET. A 0.59 correlation means they provide meaningful diversification when combined.
Performance
FSLY vs. NET - Performance Comparison
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Returns By Period
In the year-to-date period, FSLY achieves a 68.66% return, which is significantly higher than NET's 10.77% return.
FSLY
- 1D
- -4.08%
- 1M
- 5.21%
- YTD
- 68.66%
- 6M
- 60.32%
- 1Y
- 153.99%
- 3Y*
- 3.51%
- 5Y*
- -21.37%
- 10Y*
- —
NET
- 1D
- -2.54%
- 1M
- 1.02%
- YTD
- 10.77%
- 6M
- 8.08%
- 1Y
- 21.80%
- 3Y*
- 51.01%
- 5Y*
- 16.05%
- 10Y*
- —
FSLY vs. NET - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | |
|---|---|---|---|---|---|---|---|---|
FSLY Fastly, Inc. | 68.66% | 7.84% | -46.97% | 117.34% | -76.90% | -59.43% | 335.33% | -33.34% |
NET Cloudflare, Inc. | 10.77% | 83.09% | 29.33% | 84.16% | -65.62% | 73.05% | 345.43% | -5.22% |
Correlation
The correlation between FSLY and NET is 0.51, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.51 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.55 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.62 |
Correlation (All Time) Calculated using the full available price history since Sep 13, 2019 | 0.59 |
The correlation between FSLY and NET shifts across timeframes, from 0.51 (1 year) to 0.62 (5 years), reflecting how their relationship changes across market environments.
Fundamentals
FSLY:
$2.64B
NET:
$77.01B
FSLY:
-$0.69
NET:
-$0.25
FSLY:
3.93
NET:
32.67
FSLY:
2.70
NET:
50.44
FSLY:
$652.57M
NET:
$2.33B
FSLY:
$382.79M
NET:
$1.71B
FSLY:
-$22.82M
NET:
$168.53M
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Return for Risk
FSLY vs. NET — Risk / Return Rank
FSLY
NET
FSLY vs. NET - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Fastly, Inc. (FSLY) and Cloudflare, Inc. (NET). 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.
| FSLY | NET | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.96 | ||
| Sortino ratioReturn per unit of downside risk | +1.68 | ||
| Omega ratioGain probability vs. loss probability | 1.36 | 1.12 | +0.24 |
| Calmar ratioReturn relative to maximum drawdown | 3.02 | 0.60 | +2.43 |
| Martin ratioReturn relative to average drawdown | 7.62 | 1.27 | +6.35 |
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Drawdowns
FSLY vs. NET - Drawdown Comparison
The maximum FSLY drawdown since its inception was -96.12%, which is greater than NET's maximum drawdown of -82.58%. Use the drawdown chart below to compare losses from any high point for FSLY and NET.
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Drawdown Indicators
| FSLY | NET | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -96.12% | -82.58% | -13.54% |
Max Drawdown (1Y)Largest decline over 1 year | -51.28% | -36.76% | -14.52% |
Max Drawdown (3Y)Largest decline over 3 years | -79.99% | -45.00% | -34.99% |
Max Drawdown (5Y)Largest decline over 5 years | -91.81% | -82.58% | -9.23% |
Current DrawdownCurrent decline from peak | -86.67% | -19.91% | -66.76% |
Average DrawdownAverage peak-to-trough decline | -70.22% | -37.46% | -32.76% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 20.29% | 17.26% | +3.03% |
Volatility
FSLY vs. NET - Volatility Comparison
Fastly, Inc. (FSLY) has a higher volatility of 22.84% compared to Cloudflare, Inc. (NET) at 21.26%. This indicates that FSLY's price experiences larger fluctuations and is considered to be riskier than NET based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| FSLY | NET | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 22.84% | 21.26% | +1.58% |
Volatility (6M)Calculated over the trailing 6-month period | 97.98% | 53.88% | +44.10% |
Volatility (1Y)Calculated over the trailing 1-year period | 117.43% | 60.14% | +57.29% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 87.36% | 68.54% | +18.82% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 89.28% | 67.71% | +21.57% |
Dividends
FSLY vs. NET - Dividend Comparison
Neither FSLY nor NET has paid dividends to shareholders.
Financials
FSLY vs. NET - Financials Comparison
This section allows you to compare key financial metrics between Fastly, Inc. and Cloudflare, 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
FSLY vs. NET - Profitability Comparison
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%.
NET - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Cloudflare, Inc. reported a gross profit of 455.60M and revenue of 639.76M. Therefore, the gross margin over that period was 71.2%.
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%.
NET - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Cloudflare, Inc. reported an operating income of -61.99M and revenue of 639.76M, resulting in an operating margin of -9.7%.
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%.
NET - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Cloudflare, Inc. reported a net income of -22.93M and revenue of 639.76M, resulting in a net margin of -3.6%.
Frequently Asked Questions
FSLY and NET have a correlation of 0.51, 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 NET (21.26%). In terms of maximum drawdown, FSLY dropped -96.12% vs NET's -82.58%.
FSLY currently has the higher Sharpe Ratio (1.32 vs 0.36), 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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