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F5 Inc. Falls 20% on Slower Sales Outlook

TIM BOHEN•UPDATED OCT. 28, 2026, 9:38 AM ET
Reviewed by Jeff Zananiriand Fact-checked by Ben Sturgill

F5 Inc. fell 20% after its next-year sales outlook signaled slower growth and raised concern about hardware demand.

FFIV Candlestick Chart

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Why F5 Stock Fell 20% Today

F5 Inc. (NASDAQ: FFIV) fell 20% to $368.64 by early afternoon after its next-year sales outlook signaled slower growth. Its forecast for revenue growth of 8% to 9% raised concern about demand for replacement equipment. We covered F5’s earlier move yesterday, when shares moved 0% on a slower revenue outlook.

What F5 Inc. Does

F5 makes software and equipment that help businesses deliver apps and protect them from online attacks. An API, or application programming interface, is a connection that lets software programs communicate. Its products help companies keep online services working while guarding the data moving between systems.

F5 Fiscal Year Earnings Outlook

F5 expects adjusted earnings per share of $18.00 to $18.30 for the next fiscal year. Adjusted earnings per share excludes certain costs, so this forecast gives investors a profit measure alongside the sales outlook. Strong recent results did not offset investors’ concern about future demand.

F5 First-Quarter Sales and Profit Forecasts

Management also issued sales and adjusted profit forecasts for the first fiscal quarter. These give shareholders a nearer-term test of demand than the full-year outlook. Slower equipment replacement can weigh on orders beyond a single quarter because customers can keep using what they already own.

Quick Financial Overview

F5 is a profitable large-cap, meaning it is worth more than most listed companies. Its market cap, or the total value of its shares, is $20.88B. An earlier quarterly report showed $1.61B in cash and cash equivalents, meaning cash the company can spend, as of June 30, 2026.

F5 Revenue and Earnings

F5’s latest quarterly earnings and revenue topped estimates. That strength shows customers were still buying its products before the new forecast. Recent results show what customers bought, while future sales depend on whether that demand continues.

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F5 Stock Is Near Its Monthly Low

FFIV reached a high near $430 in premarket trading, before regular trading opened, then touched the $370 level. This was the biggest daily move in the last year. The stock is near its monthly low after trading around the $440 level a month ago.

Trading Perspective

Shares would need to regain the $420 level, the bottom of today’s opening gap, before recovering their opening ground. An opening gap is the space between yesterday’s closing price and today’s opening price. Staying below that level would leave the stock beneath where regular trading began.

Farther above, the $480 level marks the stock’s highest price in the past year. Reaching that area would require a much broader recovery than simply reversing the drop after the open.

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Conclusion

F5’s next fiscal first-quarter results will show whether customer demand supports the company’s sales plans; the report date is not yet available. Strong orders would ease concern about equipment replacement, while weaker demand would suggest the slowdown has further to run.

This is stock news, not investment advice. StocksToTrade News delivers real-time stock market updates tailored to highlight the key catalysts driving short-term price movements. Our coverage is designed for active traders and investors who thrive in fast-moving markets, with a focus on volatile sectors like penny stocks, AI stocks, Robinhood stocks and other momentum plays. From earnings reports and FDA approvals to mergers, new contracts, and unusual trading volume, we break down the events that can spark significant price action.

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