Fastly, Inc. (FSLY) stock
Close on Nov 12, 2026Market cap $2.74BP/E –Yield –
Fastly, Inc. grew revenue 21.5% to $719.14M over the twelve months to Sep 30, 2026. Free cash flow was $56.82M, up 5.7% from a year earlier. At the latest close the market valued the company at $2.74B.
Key statistics
Valuation at the latest close; fundamentals over the trailing twelve months, balances at Sep 30, 2026
Valuation
- Market cap
- $2.74B
- P/E ratio
- –
- Price to sales
- 3.81
- Price to book
- 2.73
- Dividend yield
- –
- Free cash flow yield
- 2.07%
Fundamentals
- Revenue
- $719.14M
- Net income
- -$62.88M
- EPS, diluted
- -$0.40
- Free cash flow
- $56.82M
- Book value per share
- $6.27
- Diluted shares
- 160M
Trading
- Next earnings
- Feb 10, 2027 (estimated, after the close)
- Previous close
- $17.26
- Open
- $16.57
- Day's range
- $16.40 – $17.36
- Volume
- 4,551,239
- Average volume (20 days)
- 6,185,111
- Index membership
- Russell 2000 (since Jun 2022), Russell 3000 (since Aug 2020)
- Beta (5 years)
- 1.85
- 52-week range
- $7.87 – $34.82
- RSI (14 days)
- 36.8
- Volatility (1 year)
- 124.3%
- Relative volume
- 0.89×
- WACC
- 13.0%
Index membership is inferred from the holdings of funds that track each index (IWM, IWV), as reported to the SEC for Jun 30, 2026. Join dates come from quarterly fund reports since 2019, so they are accurate to the quarter.
Market cap history
Month-end market cap since 2019, using shares outstanding reported at the time
Total return vs. the S&P 500
Price change plus reinvested dividends, to the close on Nov 12, 2026. The S&P 500 is measured by the SPY fund.
| Period | FSLY | S&P 500 | Difference | FSLY per year | S&P 500 per year |
|---|---|---|---|---|---|
| 1 month | -35.0% | -2.7% | −32.3 pts | ||
| 3 months | -39.7% | -1.7% | −38.0 pts | ||
| Year to date | +68.9% | +11.9% | +57.0 pts | ||
| 1 year | +44.5% | +12.0% | +32.5 pts | ||
| 3 years | +4.8% | +78.2% | −73.4 pts | +1.6% | +21.2% |
| 5 years | -66.0% | +73.2% | −139.3 pts | -19.4% | +11.6% |
Ten years at a glance
Fiscal years 2016 to 2025 and trailing twelve months, USD
Revenue
Gross profit
Operating income
Net income
EPS, diluted
Free cash flow
Press releases
Releases Fastly filed with the SEC as exhibits to Form 8-K or 6-K
- Update
- Results
- Results
- Results
- Results
- Results
About Fastly
Services-Prepackaged Software
Fastly provides a programmable edge cloud infrastructure-as-a-service platform that combines content delivery network services with advanced edge computing, cloud-native architecture, and unified application security. The company delivers a diverse suite of offerings, including dynamic site acceleration, streaming media optimization, serverless compute environments, object storage, and specialized defenses such as next-generation web application firewalls, distributed denial-of-service protection, and bot management. These services cater to organizations across ecommerce, streaming media, gaming, digital publishing, high technology, and financial services.
Company profile, executives and historyFastly stock: common questions
What is Fastly's stock price?
FSLY closed at $17.19 on Nov 12, 2026, down 0.41% on the day. Over the past 52 weeks it traded between $7.87 and $34.82.
What is Fastly's market cap?
Fastly was worth $2.74B at the close on Nov 12, 2026: the share price times the diluted shares outstanding.
What is FSLY's P/E ratio?
Fastly lost money over the twelve months to Sep 30, 2026 (diluted EPS -$0.40), so it has no meaningful P/E ratio.
How much revenue does Fastly make?
Fastly reported revenue of $719.14M for the twelve months to Sep 30, 2026, up 21.5% from a year earlier.
Does Fastly pay a dividend?
No. Fastly has not paid a cash dividend over the last twelve months.
When does Fastly report earnings next?
Fastly is expected to report Q4 FY2026 results on Feb 10, 2027, after the close. The date is estimated from its past reporting pattern until the company confirms it.
How has FSLY stock performed over the past year?
Including dividends, FSLY returned +44.5% over the past year, against +12.0% for the S&P 500.
How many FSLY shares are sold short?
19M shares were sold short at the latest FINRA report, 13.38% of the float, or 4.1 days of average trading volume.
Who are Fastly's competitors?
Companies most similar to Fastly by business, industry and size include NTSK, RPD, QLYS, FROG, NET.
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