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 (%) May 31, 2016 57.22 58.74 57.05 58.62 694,738 +1.78(+3.13%) May 27, 2016 55.05 56.84 56.84 56.84 1,228,400 -0.50(-0.87%) May 26, 2016 57.66 57.66 56.67 57.34 438,019 -0.01(-0.02%) May 25, 2016 57.22 57.60 56.51 57.35 438,976 +0.57(+1.00%) May 24, 2016 55.00 56.99 54.13 56.78 455,408 +2.29(+4.20%) May 23, 2016 55.17 55.17 54.32 54.49 451,027 -0.54(-0.98%) May 20, 2016 54.22 55.05 52.88 55.03 340,044 +1.05(+1.95%) May 19, 2016 53.29 54.59 52.99 53.98 419,505 +0.44(+0.82%) May 18, 2016 52.43 54.06 52.05 53.54 371,677 +0.77(+1.46%) May 17, 2016 53.79 54.08 52.40 52.77 404,628 -1.05(-1.95%) May 16, 2016 53.54 54.22 52.83 53.82 479,197 +0.23(+0.43%) May 13, 2016 52.93 53.96 52.58 53.59 393,672 +0.24(+0.45%) May 12, 2016 55.99 56.42 52.70 53.35 1,104,935 -2.51(-4.49%) May 11, 2016 55.60 56.95 55.42 55.86 389,107 +0.01(+0.02%) May 10, 2016 55.10 55.91 54.10 55.85 375,267 +0.89(+1.62%) May 09, 2016 54.72 55.67 54.27 54.96 322,186 +0.42(+0.77%) May 06, 2016 55.03 55.54 52.45 54.54 1,175,043 -1.51(-2.69%) May 05, 2016 56.87 57.46 55.21 56.05 421,725 -0.48(-0.85%) May 04, 2016 57.10 58.06 55.74 56.53 513,382 -1.23(-2.13%) May 03, 2016 58.04 59.46 57.52 57.76 778,403 -1.30(-2.20%) May 02, 2016 58.21 59.17 57.09 59.06 1,267,671 +0.80(+1.37%) Apr 29, 2016 57.05 58.52 56.11 58.26 781,487 +1.22(+2.14%) Apr 28, 2016 57.94 58.93 56.86 57.04 414,347 -1.17(-2.01%) Apr 27, 2016 58.07 58.79 57.52 58.21 597,493 +0.52(+0.90%) Apr 26, 2016 57.23 58.19 56.74 57.69 607,063 +0.48(+0.84%) Apr 25, 2016 56.75 59.52 55.41 57.21 946,158 +0.43(+0.76%) Apr 22, 2016 56.89 57.31 54.47 56.78 2,506,054 +3.09(+5.76%) Apr 21, 2016 53.74 54.46 53.33 53.69 1,121,488 +0.36(+0.68%) Apr 20, 2016 52.98 53.96 52.46 53.33 694,371 -0.03(-0.06%) Apr 19, 2016 54.09 54.13 52.03 53.36 786,927 -0.33(-0.61%) Apr 18, 2016 51.68 54.43 51.68 53.69 688,517 +1.76(+3.39%) Apr 15, 2016 51.17 52.01 50.91 51.93 506,698 +0.41(+0.80%) Apr 14, 2016 50.56 51.99 50.12 51.52 522,711 +0.90(+1.78%) Apr 13, 2016 48.39 50.82 48.32 50.62 651,331 +2.53(+5.26%) Apr 12, 2016 49.54 49.69 46.58 48.09 1,529,329 -1.78(-3.57%) Apr 11, 2016 51.26 51.85 49.71 49.87 653,132 -1.06(-2.08%) Apr 08, 2016 52.03 52.03 50.80 50.93 393,419 -0.56(-1.09%) Apr 07, 2016 52.22 53.04 51.35 51.49 884,875 -1.39(-2.63%) Apr 06, 2016 52.16 52.97 51.49 52.88 536,109 +0.89(+1.71%) Apr 05, 2016 53.11 53.29 51.82 51.99 491,024 -1.65(-3.08%) Apr 04, 2016 54.04 54.48 53.24 53.64 526,408 -0.47(-0.87%) Apr 01, 2016 53.37 54.21 52.27 54.11 483,351 +0.33(+0.61%) Mar 31, 2016 52.65 54.26 52.24 53.78 1,481,906 +1.00(+1.89%) Mar 30, 2016 52.77 53.30 51.97 52.78 487,827 +0.19(+0.36%) Mar 29, 2016 51.03 52.68 50.59 52.59 556,037 +1.30(+2.53%) Mar 28, 2016 51.09 51.64 49.61 51.29 596,197 +0.05(+0.10%) Mar 24, 2016 51.33 51.24 51.24 51.24 561,500 -0.31(-0.60%) Mar 23, 2016 52.82 52.82 51.12 51.55 562,022 -1.37(-2.59%) Mar 22, 2016 52.47 53.36 52.25 52.92 607,673 +0.16(+0.30%) Mar 21, 2016 52.99 53.75 52.41 52.76 449,307 -0.34(-0.64%) Mar 18, 2016 52.45 53.29 52.01 53.10 736,422 +0.88(+1.69%) Mar 17, 2016 52.16 52.99 51.30 52.22 465,849 -0.09(-0.17%) Mar 16, 2016 50.71 52.49 50.67 52.31 481,709 +1.37(+2.69%) Mar 15, 2016 52.43 52.60 50.58 50.94 483,724 -1.70(-3.23%) Mar 14, 2016 52.64 53.01 52.12 52.64 396,719 -0.04(-0.08%) Mar 11, 2016 51.00 53.00 50.68 52.68 471,217 +2.22(+4.40%) Mar 10, 2016 51.15 51.61 49.20 50.46 773,034 -0.51(-1.00%) Mar 09, 2016 49.95 51.11 49.51 50.97 581,644 +1.42(+2.87%) Mar 08, 2016 49.62 50.96 49.15 49.55 656,794 -0.62(-1.24%) Mar 07, 2016 50.19 51.39 48.23 50.17 619,222 -0.49(-0.97%) Mar 04, 2016 50.20 51.05 48.81 50.66 838,348 +0.92(+1.85%) Mar 03, 2016 48.91 49.82 47.89 49.74 1,141,951 +0.70(+1.43%) Mar 02, 2016 49.85 50.28 48.19 49.04 822,673 -0.92(-1.84%) 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.