Exponent (EXPO) Stock Chart & Stock Price History $69.47 -0.58 (-0.83%) Closing price 09/15/2025 04:00 PM EasternExtended Trading$69.46 0.00 (-0.01%) As of 09/15/2025 04:20 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 AnalysisChartCompetitorsDividendEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Exponent Stock Price Performance The Exponent (EXPO) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has decreased 35.43%, with a year-to-date return of -22.03%. In the past month, the stock has increased 0.32%, reflecting recent market activity. As of the latest close, Exponent traded at $69.47 with a market cap of $3.51 billion and volume of 714,164 shares. Five years ago, the stock traded at $77.32, representing a 10.15% decrease over that period. At the time, it had a market cap of $3.99 billion and a volume of 228,807 shares. Receive EXPO Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Exponent 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-2.09%1 Month Performance+0.32%3 Month Performance-8.36%Year-To-Date Performance-22.03%1 Year Performance-35.43%5 Year Performance-10.15% EXPO Stock Chart for Tuesday, September, 16, 2025 EXPO Chart by TradingView Exponent 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 Capitalization09/15/2025$70.05$69.47-0.83%$71.03$69.25714,164 shs$3.51 billion09/12/2025$70.95$70.05-1.27%$70.86$69.93254,323 shs$3.54 billion09/11/2025$69.38$70.95+2.26%$71.01$69.50322,302 shs$3.50 billion09/10/2025$69.66$69.38-0.40%$70.22$68.30544,320 shs$3.50 billion09/09/2025$71.00$69.66-1.89%$71.01$69.54423,676 shs$3.52 billion09/08/2025$71.42$71.00-0.59%$71.42$69.90308,199 shs$3.59 billion09/05/2025$72.98$71.42-2.14%$73.55$71.37365,089 shs$3.61 billion09/04/2025$71.85$72.98+1.57%$72.98$71.11393,666 shs$3.69 billion09/03/2025$71.93$71.85-0.11%$72.46$71.44479,853 shs$3.63 billion09/02/2025$71.38$71.93+0.77%$72.59$71.00613,195 shs$3.63 billion Get the Latest News and Ratings for EXPO and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Exponent and its competitors with MarketBeat's FREE daily newsletter. 09/01/2025$71.38$71.38$73.24$70.98357,500 shs$3.60 billion08/29/2025$72.23$71.38-1.18%$73.24$70.98357,500 shs$3.60 billion08/28/2025$72.98$72.23-1.03%$72.97$71.96505,933 shs$3.65 billion08/27/2025$71.73$72.98+1.74%$73.25$71.39666,916 shs$3.69 billion08/26/2025$70.81$71.73+1.30%$71.87$70.71487,329 shs$3.62 billion08/25/2025$72.29$70.81-2.05%$72.42$70.78292,505 shs$3.58 billion08/22/2025$70.48$72.29+2.57%$73.09$70.84318,857 shs$3.65 billion08/21/2025$70.03$70.48+0.64%$71.31$69.02580,542 shs$3.56 billion08/20/2025$69.60$70.03+0.62%$70.37$69.46697,309 shs$3.54 billion08/19/2025$69.12$69.60+0.69%$70.05$69.08983,263 shs$3.51 billion08/18/2025$69.25$69.12-0.19%$69.86$68.58742,258 shs$3.49 billion08/15/2025$70.67$69.25-2.01%$71.00$68.95539,740 shs$3.50 billion Related Companies FTI Consulting Stock Price Chart Dun & Bradstreet Stock Price Chart VSE Stock Price Chart CBIZ Stock Price Chart Huron Consulting Group Stock Price Chart ICF International Stock Price Chart Charles River Associates Stock Price Chart Acacia Research Stock Price Chart Mistras Group Stock Price Chart Franklin Covey Stock Price Chart Receive EXPO Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Exponent and its competitors with MarketBeat's FREE daily newsletter. 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