Archetype
Explosive
Median daily return
0.000%
Daily volatility (σ)
5.601%
Win rate
49.4%
Current streak
2-day green streak
Fastly (FSLY) daily session stats — win rate & streak summary
History from May 20, 2019 through Jul 17, 2026 · 1800 trading days with returns.
Avg daily return | +0.146% |
Median daily return | 0.000% |
Avg green day | +3.89% |
Avg red day | -3.57% |
Daily volatility (σ) | 5.601% |
Consistency (μ/σ) | 0.026 |
Max win streak | 11 days+88.80% |
Max losing streak | 9 days-41.11% |
Best day | +72.29%Feb 12, 2026 |
Worst day | -38.23%May 7, 2026 |
Extreme days (>3%) | 46.3%421↑ · 413↓ |
Fastly (FSLY) daily returns calendar heatmap
Jul 21, 2025 – Jul 17, 2026 · Mon–Fri sessions only
Fastly (FSLY) average return by weekday chart
Average dividend-adjusted return on that weekday (green / red by sign). Green/red day rule: ±0.01% vs prior close.
Fastly (FSLY) win rate by weekday chart
Share of sessions that closed green on that weekday. Bars are green at or above 50%, red below 50%.
Fastly (FSLY) average return by weekday table
Average dividend-adjusted return by weekday. Green/red day rule: ±0.01% vs prior close.
| Monday | +0.49% | +49.9% | 337 |
| Tuesday | +0.33% | +49.9% | 373 |
| Wednesday | +0.12% | +51.0% | 369 |
| Thursday | +0.02% | +49.0% | 361 |
| Friday | -0.22% | +47.5% | 360 |
- Monday+0.49%
- Tuesday+0.33%
- Wednesday+0.12%
- Thursday+0.02%
- Friday-0.22%
Fastly (FSLY) biggest single-day gains in history
Dividend-adjusted, ranked by return size.
| +72.29% | |
| +45.68% | |
| +35.94% | |
| +27.66% | |
| +26.37% | |
| +23.04% | |
| +22.55% | |
| +19.84% | |
| +19.30% | |
| +18.22% | |
| +17.72% | |
| +17.44% | |
| +16.81% | |
| +16.39% | |
| +16.00% | |
| +15.79% | |
| +15.72% | |
| +15.58% | |
| +15.04% | |
| +14.69% |
- +72.29%
- +45.68%
- +35.94%
- +27.66%
- +26.37%
- +23.04%
- +22.55%
- +19.84%
- +19.30%
- +18.22%
- +17.72%
- +17.44%
- +16.81%
- +16.39%
- +16.00%
- +15.79%
- +15.72%
- +15.58%
- +15.04%
- +14.69%
Fastly (FSLY) biggest single-day losses in history
Dividend-adjusted, ranked by drawdown size. "Days to recovery" counts trading sessions until close reclaimed the prior peak.
| -38.23% | — | |
| -33.63% | 1027 | |
| -32.02% | 446 | |
| -30.59% | 517 | |
| -27.18% | — | |
| -27.13% | 34 | |
| -21.69% | 17 | |
| -20.85% | 184 | |
| -20.50% | 2 | |
| -18.09% | 226 | |
| -18.06% | 9 | |
| -17.70% | 43 | |
| -15.45% | — | |
| -14.33% | 26 | |
| -14.03% | 2 | |
| -14.03% | 25 | |
| -14.00% | 152 | |
| -13.95% | 5 | |
| -13.64% | 32 | |
| -13.47% | 2 |
- -38.23%
- -33.63%
- -32.02%
- -30.59%
- -27.18%
- -27.13%
- -21.69%
- -20.85%
- -20.50%
- -18.09%
- -18.06%
- -17.70%
- -15.45%
- -14.33%
- -14.03%
- -14.03%
- -14.00%
- -13.95%
- -13.64%
- -13.47%
Frequently asked questions
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Fastly (FSLY) Key Financials
Charts, filings, and peer comparison for every metric
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Deep-dives across the income statement, cash flow, capital return, and valuation
How this company returns cash to shareholders — buybacks, dividends, and stock splits.