Recent Quotes View Full List My Watchlist Create Watchlist Indicators DJI Nasdaq Composite SPX Gold Crude Oil Hydroworld Market Index Markets Stocks ETFs Tools Overview News Currencies International Treasuries Proofpoint Inc (NQ: PFPT ) N/A UNCHANGED Last Price Updated: Add to My Watchlist Quote Overview Detailed Quote Charting Historical Prices News All News News Headlines Press Releases Research Quarterly Reports Insider Filings Other Filings Historical Prices Month: Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year: 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 Range: 1 Month 3 Month 1 Year Date Open High Low Close Volume Change (%) Oct 31, 2018 90.86 92.97 88.78 90.95 1,184,664 +1.40(+1.56%) Oct 30, 2018 89.62 89.67 85.63 89.55 1,757,443 -0.23(-0.26%) Oct 29, 2018 87.67 91.22 87.50 89.78 3,120,695 +6.23(+7.46%) Oct 26, 2018 78.97 85.00 75.92 83.55 7,406,000 -15.44(-15.59%) Oct 25, 2018 97.97 100.58 97.34 98.98 1,130,951 +1.53(+1.57%) Oct 24, 2018 102.24 103.07 97.34 97.45 619,022 -5.14(-5.01%) Oct 23, 2018 101.06 103.13 100.03 102.59 483,959 -0.54(-0.52%) Oct 22, 2018 101.91 103.70 100.69 103.13 514,621 +2.05(+2.03%) Oct 19, 2018 104.18 105.37 100.48 101.08 539,900 -2.89(-2.78%) Oct 18, 2018 107.40 109.01 103.00 103.97 726,460 -3.20(-2.99%) Oct 17, 2018 105.26 107.64 104.69 107.17 1,125,986 +1.36(+1.29%) Oct 16, 2018 101.59 106.95 101.59 105.81 1,064,824 +4.86(+4.81%) Oct 15, 2018 100.91 102.48 99.04 100.95 719,578 -0.11(-0.11%) Oct 12, 2018 98.39 101.38 98.39 101.06 1,458,400 +4.60(+4.77%) Oct 11, 2018 93.65 98.24 93.50 96.46 1,725,643 +2.13(+2.26%) Oct 10, 2018 95.46 96.28 93.75 94.33 1,140,854 -0.96(-1.01%) Oct 09, 2018 94.55 95.97 93.58 95.29 858,771 +0.18(+0.19%) Oct 08, 2018 98.85 99.16 93.67 95.11 1,154,284 -4.56(-4.58%) Oct 05, 2018 98.89 102.10 97.42 99.67 2,065,500 +0.69(+0.70%) Oct 04, 2018 101.89 101.89 97.24 98.98 1,253,627 -2.92(-2.87%) Oct 03, 2018 101.74 104.40 101.64 101.90 1,450,356 +1.22(+1.21%) Oct 02, 2018 102.14 103.13 100.55 100.68 1,375,466 -1.17(-1.15%) Oct 01, 2018 104.45 105.72 101.15 101.85 1,461,397 -4.48(-4.21%) Sep 28, 2018 104.16 106.93 104.16 106.33 859,100 +1.75(+1.67%) Sep 27, 2018 106.21 106.34 104.14 104.58 878,297 -1.09(-1.03%) Sep 26, 2018 107.32 107.77 105.44 105.67 670,869 -1.30(-1.22%) Sep 25, 2018 104.44 107.43 103.89 106.97 885,877 +2.92(+2.81%) Sep 24, 2018 103.86 105.04 102.20 104.05 733,979 -0.68(-0.65%) Sep 21, 2018 106.33 107.21 104.39 104.73 1,095,400 -0.73(-0.69%) Sep 20, 2018 104.56 106.12 103.26 105.46 1,090,308 +1.83(+1.77%) Sep 19, 2018 103.55 104.07 101.89 103.63 1,096,271 -0.11(-0.11%) Sep 18, 2018 104.77 106.33 101.97 103.74 2,595,910 -1.40(-1.33%) Sep 17, 2018 111.19 111.81 105.03 105.14 1,737,960 -6.18(-5.55%) Sep 14, 2018 114.60 115.60 111.03 111.32 919,800 -2.95(-2.58%) Sep 13, 2018 114.80 116.08 113.86 114.27 1,128,753 -0.03(-0.03%) Sep 12, 2018 115.01 116.25 112.79 114.30 1,171,350 -1.32(-1.14%) Sep 11, 2018 116.58 117.80 115.53 115.62 695,442 -1.08(-0.93%) Sep 10, 2018 117.10 117.16 115.54 116.70 429,577 -0.19(-0.16%) Sep 07, 2018 116.64 119.11 115.37 116.89 831,500 -0.13(-0.11%) Sep 06, 2018 115.74 117.52 115.08 117.02 590,076 +1.15(+0.99%) Sep 05, 2018 120.08 120.12 114.50 115.87 837,132 -4.27(-3.55%) Sep 04, 2018 117.93 120.48 116.18 120.14 562,886 +1.49(+1.26%) Aug 31, 2018 118.65 118.65 118.65 0 +0.16(+0.14%) Aug 30, 2018 119.40 119.82 117.89 118.49 434,898 -1.42(-1.18%) Aug 29, 2018 118.25 120.18 117.86 119.91 688,867 +1.68(+1.42%) Aug 28, 2018 118.19 118.33 115.58 118.23 950,610 +0.74(+0.63%) Aug 27, 2018 120.01 120.85 117.37 117.49 1,277,432 -2.31(-1.93%) Aug 24, 2018 115.65 119.98 115.13 119.80 1,403,800 +4.71(+4.09%) Aug 23, 2018 114.66 116.10 114.08 115.09 740,378 +0.61(+0.53%) Aug 22, 2018 113.50 115.06 111.77 114.48 2,007,485 +0.76(+0.67%) Aug 21, 2018 114.07 115.14 113.45 113.72 673,545 +0.01(+0.01%) Aug 20, 2018 115.14 115.42 113.12 113.71 963,322 -1.17(-1.02%) Aug 17, 2018 114.91 115.02 113.28 114.88 869,000 -0.24(-0.21%) Aug 16, 2018 116.10 116.33 114.89 115.12 378,514 +0.06(+0.05%) Aug 15, 2018 115.93 117.68 114.32 115.06 937,106 -1.91(-1.63%) Aug 14, 2018 116.62 117.04 114.72 116.97 653,125 +0.44(+0.38%) Aug 13, 2018 117.49 118.40 115.55 116.53 872,803 -0.63(-0.54%) Aug 10, 2018 116.86 118.74 116.56 117.16 532,800 -0.85(-0.72%) Aug 09, 2018 118.06 119.75 117.87 118.01 567,063 +0.22(+0.19%) Aug 08, 2018 118.36 118.39 115.97 117.79 987,684 -0.49(-0.41%) Aug 07, 2018 118.29 119.34 117.40 118.28 519,771 +0.55(+0.47%) Aug 06, 2018 115.59 118.53 115.09 117.73 591,216 +2.15(+1.86%) Aug 03, 2018 116.68 116.87 114.09 115.58 575,500 -0.51(-0.44%) Aug 02, 2018 111.65 116.26 111.43 116.09 700,000 +3.40(+3.02%) Data & News supplied by www.cloudquote.io Stock quotes supplied by Barchart Quotes delayed at least 20 minutes. By accessing this page, you agree to the following Privacy Policy and Terms and Conditions.