GET DAILY SIGNALSWhy Is Fastly (FSLY) Stock Down -9.87% Today?
Key Takeaways
- FSLY shares fell roughly 9.87% in Thursday's session, sliding from a prior close of $25.64 to about $23.11.
- The decline was primarily sector-driven, as software, cloud, and cybersecurity names sold off together.
- Renewed AI-disruption concerns weighed on the group, as investors reassessed the outlook for traditional security and application software vendors.
- The move extended profit-taking following a sharp weekly run-up, with recent insider selling adding to the overhang.
- Traders are positioning cautiously ahead of the company's third-quarter earnings report on November 4.
- For additional details on this ticker's valuation and technicals, explore the Price Targets, Earnings, and Forecast pages.
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Opening Summary
Fastly, Inc. (FSLY), the San Francisco-based edge cloud platform provider offering content delivery, security, and computing services, saw its stock fall sharply on Thursday. Shares declined approximately 9.87%, or about $2.53, to roughly $23.11, down from a prior-session close of $25.64. The selling was not driven by company-specific headlines but by a broad retreat across software, cloud, and cybersecurity equities, compounded by profit-taking after a strong recent rally and positioning ahead of next week's earnings report.
Sector-Wide Selloff and AI-Disruption Fears
The most immediate catalyst for the move was a sector-wide pullback in application software, cloud infrastructure, and cybersecurity names. Market commentary pointed to renewed anxiety about artificial intelligence potentially reshaping the economics of traditional security and software businesses, with some investors questioning whether emerging AI-native tools could pressure incumbents' pricing and growth. As a provider of web application and API protection, DDoS mitigation, and bot management, FSLY was caught in this rotation, with peers across the group trading lower in sympathy.
Profit-Taking After a Sharp Run-Up
The decline also followed a notable rally. The stock had climbed roughly 20% over the prior week, extending a 2026 advance of more than 150% year-to-date. After such a steep move, momentum often unwinds quickly when sentiment shifts, and Thursday's selloff appeared to reflect investors locking in gains. Recent insider selling added to the cautious tone, reinforcing the impression that some holders were trimming exposure into strength ahead of the earnings print.
Pre-Earnings Positioning
The timing of the decline is notable: FSLY is scheduled to report third-quarter results on November 4. Options activity has implied a double-digit percentage move around the event, and traders often de-risk high-beta, richly valued growth names in the sessions immediately before earnings. With the stock trading at a forward valuation that leaves little room for disappointment, the pre-earnings environment amplified the downward pressure.
Market Context and Trading Activity
The move in FSLY was consistent with broader weakness across the technology complex rather than an isolated event. Cloud and security peers such as DigitalOcean (DOCN) and Cloudflare (NET) also traded lower, signaling that the selloff was thematic in nature. The decline also unfolded against a backdrop of elevated longer-term Treasury yields, which tend to pressure growth-oriented, low-or-negative-earnings technology companies by raising the discount rate applied to future cash flows. Despite the sharp intraday drop, the stock remains well above its 50-day and 200-day moving averages, reflecting the strength of its longer-term uptrend even amid Thursday's retreat.
What Comes Next for FSLY
All eyes now turn to the company's third-quarter earnings report on November 4, where investors will focus on revenue growth, the trajectory of the higher-margin security segment, and any update to full-year guidance. The company has emphasized momentum in its security offerings and international expansion, including a broadened partnership with India's Jio Platforms, and has recently been recognized as a leader in web application and API protection. However, risks remain: customer concentration among its largest accounts, the potential for growth to decelerate, and the broader macro and AI-related sentiment swings that have driven volatility across the sector. Whether the stock stabilizes will likely depend on the strength of next week's results and guidance.
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Contributor
Sergey Savastiouk, Ph.D. has a degree in Applied Mathematics from Moscow University and has extensive experience as an entrepreneur, investor, manager, and mathematician. His professional expertise is in applied mathematics, mathematical modeling, system and pattern analysis, and software and hardware system integration. He has served as the CEO of several hi-tech start-up companies and nonprofit organizations, which has given him proven capabilities in business strategy for high-tech start-up companies, market assessment, company formation, team building, product development, marketing, and sales. He has published numerous articles in journals and magazines on related fields. As a retail investor, he spent 15 years developing his proprietary trading and quantitative algorithms (now Tickeron’s A.I.), which brought him significant returns in trading the stock market. His current work and goal in founding Tickeron is to bring professional, sophisticated stock market analysis capabilities to retail investors via an easy-to-use interface.
FSLY saw its Stochastic Oscillator leaves the overbought zone
The Stochastic Oscillator for FSLY moved out of overbought territory on October 30, 2026. This could be a bearish sign for the stock and investors may want to consider selling or taking a defensive position. A.I.dvisor looked at 63 similar instances where the indicator exited the overbought zone. In 59 of the 63 cases the stock moved lower. This puts the odds of a downward move at 90%.
Technical Analysis (Indicators)
Bearish Trend Analysis
The Moving Average Convergence Divergence Histogram (MACD) for FSLY turned negative on October 30, 2026. This could be a sign that the stock is set to turn lower in the coming weeks. Traders may want to sell the stock or buy put options. Tickeron's A.I.dvisor looked at 45 similar instances when the indicator turned negative. In 41 of the 45 cases the stock turned lower in the days that followed. This puts the odds of success at 90%.
FSLY moved below its 50-day moving average on October 30, 2026 date and that indicates a change from an upward trend to a downward trend.
The 10-day moving average for FSLY crossed bearishly below the 50-day moving average on October 22, 2026. This indicates that the trend has shifted lower and could be considered a sell signal. In 14 of 16 past instances when the 10-day crossed below the 50-day, the stock continued to move higher over the following month. The odds of a continued downward trend are 88%.
Following a 3-day decline, the stock is projected to fall further. Considering past instances where FSLY declined for three days, the price rose further in 50 of 62 cases within the following month. The odds of a continued downward trend are 85%.
The Aroon Indicator for FSLY entered a downward trend on October 28, 2026. This could indicate a strong downward move is ahead for the stock. Traders may want to consider selling the stock or buying put options.
Bullish Trend Analysis
The Momentum Indicator moved above the 0 level on October 27, 2026. You may want to consider a long position or call options on FSLY as a result. In 78 of 92 past instances where the momentum indicator moved above 0, the stock continued to climb. The odds of a continued upward trend are 85%.
Following a +12.13% 3-day Advance, the price is estimated to grow further. Considering data from situations where FSLY advanced for three days, in 225 of 275 cases, the price rose further within the following month. The odds of a continued upward trend are 82%.
FSLY may jump back above the lower band and head toward the middle band. Traders may consider buying the stock or exploring call options.
Fundamental Analysis (Ratings)
The Tickeron Valuation Rating of 9 (best 1 - 100 worst) indicates that the company is seriously undervalued in the industry. This rating compares market capitalization estimated by our proprietary formula with the current market capitalization. This rating is based on the following metrics, as compared to industry averages: P/B Ratio (3.716) is normal, around the industry mean (-1.596). P/E Ratio (-43.613) is within average values for comparable stocks, (15.525). Projected Growth (PEG Ratio) (0.000) is also within normal values, averaging (2.824). Dividend Yield (0.000) settles around the average of (0.073) among similar stocks. P/S Ratio (5.222) is also within normal values, averaging (71.128).
The Tickeron Price Growth Rating for this company is 36 (best 1 - 100 worst), indicating steady price growth. FSLY’s price grows at a higher rate over the last 12 months as compared to S&P 500 index constituents.
The Tickeron PE Growth Rating for this company is 62 (best 1 - 100 worst), pointing to average earnings growth. The PE Growth rating is based on a comparative analysis of stock PE ratio increase over the last 12 months compared against S&P 500 index constituents.
The Tickeron SMR rating for this company is 93 (best 1 - 100 worst), indicating weak sales and an unprofitable business model. SMR (Sales, Margin, Return on Equity) rating is based on comparative analysis of weighted Sales, Income Margin and Return on Equity values compared against S&P 500 index constituents. The weighted SMR value is a proprietary formula developed by Tickeron and represents an overall profitability measure for a stock.
The Tickeron Seasonality Score of 95 (best 1 - 100 worst) indicates that the company is significantly overvalued in the industry. The Tickeron Seasonality score describes the variance of predictable price changes around the same period every calendar year. These changes can be tied to a specific month, quarter, holiday or vacation period, as well as a meteorological or growing season.
The Tickeron Profit vs. Risk Rating rating for this company is 100 (best 1 - 100 worst), indicating that the returns do not compensate for the risks. FSLY’s unstable profits reported over time resulted in significant Drawdowns within these last five years. A stable profit reduces stock drawdown and volatility. The average Profit vs. Risk Rating rating for the industry is 94, placing this stock worse than average.
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General Information
a providesr of real-time content delivery network services
Industry PackagedSoftware
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