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Fortinet, Inc. (FTNT) stock

FTNTNasdaqComputer Peripheral Equipment, NECFiscal year ends December 31
Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Jul 30, 2026Score 16/3025% above fair value
$136.08−3.02 (-2.17%)

Close on Oct 30, 2026Market cap $99.84BP/E 47.9Yield –

Price history

Fortinet share prices for every trading day, newest first. Adjusted for stock splits, not for dividends.

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Close, Oct 30, 2026
$136.08
-2.17% on the day
52-week range
$73.55 – $197.13
-31.0% from the high
Change over 52 weeks
+61.6%
From $84.20 on Oct 30, 2025
Average volume
4.86M
Shares a day, last 90 sessions
DateOpenHighLowCloseChangeVolume
Oct 30, 2026$137.09$138.79$134.40$136.08-2.17%8,678,028
Oct 29, 2026$127.96$139.44$127.40$139.10-20.09%17,361,080
Oct 28, 2026$183.76$185.13$173.02$174.08-5.90%11,099,350
Oct 27, 2026$181.41$186.32$180.82$185.00+0.91%3,585,303
Oct 26, 2026$181.34$184.76$178.29$183.33+1.86%3,228,339
Oct 23, 2026$172.88$180.17$171.19$179.99+4.05%3,225,722
Oct 22, 2026$174.22$177.71$171.69$172.98-0.61%3,961,836
Oct 21, 2026$166.27$175.34$166.22$174.05+1.83%3,087,274
Oct 20, 2026$170.64$172.90$166.52$170.93-0.33%3,535,045
Oct 19, 2026$171.00$173.31$169.42$171.50+1.40%5,749,690
Oct 16, 2026$182.35$182.94$166.75$169.13-7.03%5,736,354
Oct 15, 2026$180.55$183.07$178.27$181.91-1.16%3,740,211
Oct 14, 2026$186.76$189.39$183.57$184.05-3.52%3,960,257
Oct 13, 2026$191.10$197.13$190.30$190.76-1.13%2,777,379
Oct 12, 2026$196.73$196.87$191.51$192.94-0.93%2,441,721
Oct 9, 2026$191.10$194.95$189.92$194.75+2.99%2,072,650
Oct 8, 2026$189.95$191.50$187.83$189.10-0.10%4,456,170
Oct 7, 2026$191.27$192.23$188.04$189.28-1.04%3,859,562
Oct 6, 2026$187.51$192.41$186.50$191.27+3.88%4,245,217
Oct 5, 2026$180.13$184.63$179.41$184.13+1.76%3,062,653
Oct 2, 2026$182.09$183.09$180.04$180.95+1.25%3,412,775
Oct 1, 2026$179.05$180.00$175.02$178.72-0.02%2,963,520
Sep 30, 2026$175.67$180.49$174.74$178.76+1.59%3,113,295
Sep 29, 2026$174.50$176.65$172.42$175.96-0.21%2,488,623
Sep 28, 2026$170.70$176.91$169.56$176.33+1.65%2,832,525
Sep 25, 2026$177.30$177.78$172.83$173.46-2.92%2,508,841
Sep 24, 2026$178.65$181.37$176.76$178.67-0.04%3,759,633
Sep 23, 2026$176.47$179.35$173.37$178.74+2.57%3,416,495
Sep 22, 2026$176.09$176.09$170.23$174.26-0.55%4,115,599
Sep 21, 2026$170.19$175.69$167.41$175.23+3.17%3,177,445

Seasonality

FTNT return in each calendar month over the last 10 years, including dividends. The current month runs to the latest close.

YearJanFebMarAprMayJunJulAugSepOctNovDec
Average3.9%8.1%1.6%1.6%9.1%3.4%2.3%2.2%-0.6%0.8%3.9%3.4%
Months up8 of 108 of 105 of 107 of 107 of 107 of 107 of 105 of 105 of 106 of 104 of 95 of 9
20262.3%-2.7%3.4%3.2%63.6%11.3%5.4%5.5%4.6%-23.9%
20256.8%7.1%-10.9%7.8%-1.9%3.9%-5.5%-21.2%6.7%2.8%-6.1%-2.1%
202410.2%7.2%-1.2%-7.5%-6.1%1.6%-3.7%32.2%1.1%1.4%20.8%-0.6%
20237.1%13.6%11.8%-5.1%8.4%10.6%2.8%-22.5%-2.5%-2.6%-8.1%11.4%
2022-17.3%15.9%-0.8%-15.4%1.8%-3.8%5.4%-18.4%0.9%16.3%-7.0%-8.0%
2021-2.5%16.6%9.2%10.7%7.0%9.0%14.3%15.8%-7.3%15.2%-1.3%8.2%
20208.1%-11.5%-0.9%6.5%29.2%-1.4%0.8%-4.6%-10.8%-6.3%11.7%20.5%
20198.7%13.3%-3.2%11.3%-22.4%6.0%4.5%-1.4%-3.1%6.3%28.9%1.6%
20185.4%9.6%6.2%3.3%10.5%2.0%0.8%33.1%10.2%-10.9%-10.1%-4.6%
201710.4%12.3%2.7%1.7%0.9%-4.8%-1.4%3.5%-6.2%10.0%6.7%3.9%