POSCO (PKX) Stock Chart & Stock Price History $48.85 +0.30 (+0.63%) Closing price 10/3/2025 03:59 PM EasternExtended Trading$48.45 -0.40 (-0.83%) As of 10/3/2025 07:54 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 ForecastsChartCompetitorsDividendEarningsFinancialsHeadlinesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock POSCO Stock Price Performance The POSCO (PKX) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has decreased 28.78%, with a year-to-date return of 12.67%. In the past month, the stock has decreased 5.48%, reflecting recent market activity. As of the latest close, POSCO traded at $48.85 with a market cap of $14.83 billion and volume of 69,756 shares. Five years ago, the stock traded at $42.17, representing a 15.85% increase over that period. At the time, it had a market cap of $14.71 billion and a volume of 110,301 shares. Receive PKX Stock News and Ratings via EmailSign-up to receive the latest news and ratings for POSCO 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. Unsubscribe at any time by replying "STOP" to any text message that you receive from MarketBeat or by visiting our mailing preferences page. Read our full terms of service and privacy policy. 5 Day Performance-0.96%1 Month Performance-5.48%3 Month Performance-14.36%Year-To-Date Performance+12.67%1 Year Performance-28.78%5 Year Performance+15.85% PKX Stock Chart for Saturday, October, 4, 2025 PKX Chart by TradingView POSCO 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 Capitalization10/03/2025$48.49$48.85+0.75%$49.10$48.5669,756 shs$14.83 billion10/02/2025$49.74$48.49-2.51%$49.54$48.40112,003 shs$14.72 billion10/01/2025$49.19$49.74+1.10%$49.86$48.93134,614 shs$15.10 billion09/30/2025$49.33$49.19-0.28%$49.23$48.7967,868 shs$14.93 billion09/29/2025$48.77$49.33+1.15%$49.86$49.3095,958 shs$14.97 billion09/26/2025$49.77$48.77-2.00%$49.48$48.73123,725 shs$14.80 billion09/25/2025$48.85$49.77+1.87%$50.10$49.45152,648 shs$15.10 billion09/24/2025$49.55$48.85-1.40%$49.30$48.61205,525 shs$14.83 billion09/23/2025$50.38$49.55-1.66%$50.61$49.4795,296 shs$15.04 billion09/22/2025$50.25$50.38+0.26%$50.61$49.84114,241 shs$15.29 billion Get the Latest News and Ratings for PKX and Related StocksEnter your email address below to receive the latest news and analysts' ratings for POSCO and its competitors with MarketBeat's FREE daily newsletter. 09/19/2025$51.07$50.25-1.60%$51.22$50.19112,376 shs$15.25 billion09/18/2025$51.42$51.07-0.68%$52.05$51.03117,001 shs$15.50 billion09/17/2025$51.12$51.42+0.59%$52.57$51.23155,899 shs$15.61 billion09/16/2025$52.07$51.12-1.83%$51.76$50.96136,762 shs$15.52 billion09/15/2025$50.73$52.07+2.65%$52.12$51.23148,994 shs$15.80 billion09/12/2025$51.15$50.73-0.82%$51.16$50.60142,359 shs$15.40 billion09/11/2025$51.13$51.15+0.03%$51.46$50.91181,077 shs$15.52 billion09/10/2025$50.99$51.13+0.28%$51.82$50.91139,336 shs$15.52 billion09/09/2025$50.89$50.99+0.20%$51.86$50.94159,731 shs$15.48 billion09/08/2025$51.25$50.89-0.71%$51.28$50.67192,353 shs$15.44 billion09/05/2025$51.69$51.25-0.84%$51.34$50.23292,089 shs$15.55 billion09/04/2025$50.97$51.69+1.41%$51.75$50.98177,870 shs$15.69 billion09/03/2025$50.49$50.97+0.94%$51.11$50.61139,594 shs$15.47 billion Related Companies MT Stock Chart TS Stock Chart TX Stock Chart GGB Stock Chart CSTM Stock Chart SID Stock Chart WS Stock Chart SPLP Stock Chart UAMY Stock Chart IIIN Stock Chart Receive PKX Stock News and Ratings via EmailSign-up to receive the latest news and ratings for POSCO and its competitors with MarketBeat's FREE daily newsletter. 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