Harmonic (HLIT) Stock Chart & Stock Price History $10.20 -0.09 (-0.87%) Closing price 10/17/2025 04:00 PM EasternExtended Trading$10.20 0.00 (0.00%) As of 10/17/2025 04:31 PM Eastern Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more. Add Compare Share Share Chart Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Harmonic Stock Price Performance The Harmonic (HLIT) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has decreased 29.41%, with a year-to-date return of -22.90%. In the past month, the stock has decreased 0.10%, reflecting recent market activity. As of the latest close, Harmonic traded at $10.20 with a market cap of $1.16 billion and volume of 636,424 shares. Five years ago, the stock traded at $6.38, representing a 59.87% increase over that period. At the time, it had a market cap of $621.60 million and a volume of 347,310 shares. Receive HLIT Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Harmonic and its competitors with MarketBeat's FREE daily newsletter. Subscribe Now View SMS TermsBy entering your phone number and clicking the sign-up button, you agree to receive periodic text messages from MarketBeat at the phone number you submitted, including texts that may be sent using an automatic telephone dialing system. Message and data rates may apply. Message frequency will vary. Messages will consist of stock alerts, news stories, and partner advertisements/offers. Consent is not a condition of the purchase of any goods or services. Text HELP for help/customer support. 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Read our full terms of service and privacy policy. 5 Day Performance+0.29%1 Month Performance-0.10%3 Month Performance+10.27%Year-To-Date Performance-22.90%1 Year Performance-29.41%5 Year Performance+59.87% HLIT Stock Chart for Sunday, October, 19, 2025 HLIT Chart by TradingView Harmonic Stock Price History Daily Weekly Monthly Yearly Time Frame Custom Range 1 Month 3 Months 6 Months Year-to-Date 1 Year 3 Year 5 Year Time Frame Start Date End Date Export to Excel DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization10/17/2025$10.29$10.20-0.87%$10.32$10.15636,424 shs$1.16 billion10/16/2025$10.24$10.29+0.49%$10.42$10.22707,883 shs$1.17 billion10/15/2025$10.17$10.24+0.69%$10.42$10.19618,877 shs$1.16 billion10/14/2025$9.93$10.17+2.42%$10.23$9.76693,538 shs$1.16 billion10/13/2025$9.71$9.93+2.27%$9.95$9.77735,850 shs$1.13 billion10/10/2025$10.29$9.71-5.64%$10.39$9.70708,775 shs$1.10 billion10/09/2025$10.35$10.29-0.58%$10.44$10.15824,068 shs$1.17 billion10/08/2025$10.40$10.35-0.48%$10.49$10.35712,511 shs$1.18 billion10/07/2025$10.64$10.40-2.26%$10.74$10.31936,928 shs$1.18 billion10/06/2025$10.69$10.64-0.47%$10.82$10.49924,822 shs$1.21 billion Get the Latest News and Ratings for HLIT and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Harmonic and its competitors with MarketBeat's FREE daily newsletter. 10/03/2025$10.60$10.69+0.85%$10.85$10.60878,552 shs$1.22 billion10/02/2025$10.60$10.60$10.66$10.41814,505 shs$1.21 billion10/01/2025$10.18$10.60+4.13%$10.82$10.171.63 million shs$1.21 billion09/30/2025$10.04$10.18+1.39%$10.20$10.00719,592 shs$1.16 billion09/29/2025$10.06$10.04-0.20%$10.14$9.96767,507 shs$1.14 billion09/26/2025$9.90$10.06+1.62%$10.10$9.84458,386 shs$1.14 billion09/25/2025$9.89$9.90+0.10%$9.94$9.74493,199 shs$1.13 billion09/24/2025$10.16$9.89-2.66%$10.20$9.85683,267 shs$1.13 billion09/23/2025$10.29$10.16-1.26%$10.39$10.14457,705 shs$1.16 billion09/22/2025$10.21$10.29+0.78%$10.31$10.17554,662 shs$1.17 billion09/19/2025$10.49$10.21-2.67%$10.49$10.171.52 million shs$1.16 billion09/18/2025$10.03$10.49+4.59%$10.51$10.13935,572 shs$1.19 billion Related Companies AUDC Stock Price Chart CLFD Stock Price Chart ANET Stock Price Chart OOMA Stock Price Chart VSAT Stock Price Chart CALX Stock Price Chart EXTR Stock Price Chart BELFB Stock Price Chart DGII Stock Price Chart NTGR Stock Price Chart Receive HLIT Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Harmonic and its competitors with MarketBeat's FREE daily newsletter. 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