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 29, 2015 59.88 60.17 58.80 59.13 571,641 -0.61(-1.02%) May 28, 2015 58.18 60.27 57.73 59.74 501,911 +1.39(+2.38%) May 27, 2015 57.46 58.82 56.51 58.35 448,854 +1.40(+2.46%) May 26, 2015 57.94 57.94 56.54 56.95 344,474 -1.08(-1.86%) May 22, 2015 57.47 58.03 58.03 58.03 284,000 +0.33(+0.57%) May 21, 2015 57.80 58.21 57.09 57.70 351,587 -0.31(-0.53%) May 20, 2015 57.00 58.51 56.15 58.01 474,556 +1.42(+2.51%) May 19, 2015 57.98 58.50 56.47 56.59 532,749 +0.49(+0.87%) May 18, 2015 54.37 56.49 53.95 56.10 266,306 +1.38(+2.52%) May 15, 2015 55.50 55.50 54.58 54.72 305,926 -0.78(-1.41%) May 14, 2015 54.46 55.64 53.75 55.50 437,053 +1.51(+2.80%) May 13, 2015 54.33 54.75 53.50 53.99 388,233 +0.04(+0.07%) May 12, 2015 54.18 54.83 53.50 53.95 395,038 -0.26(-0.48%) May 11, 2015 53.92 55.41 53.70 54.21 356,302 +0.46(+0.86%) May 08, 2015 53.42 54.59 52.85 53.75 396,520 +1.04(+1.97%) May 07, 2015 52.09 53.42 51.77 52.71 450,660 +0.69(+1.33%) May 06, 2015 52.48 52.48 50.53 52.02 558,466 -0.22(-0.42%) May 05, 2015 53.92 54.33 51.56 52.24 1,135,701 -2.33(-4.27%) May 04, 2015 54.32 54.88 53.86 54.57 526,016 +0.60(+1.11%) May 01, 2015 54.60 55.70 53.63 53.97 686,938 -0.01(-0.02%) Apr 30, 2015 55.85 56.18 53.60 53.98 432,920 -2.13(-3.80%) Apr 29, 2015 55.61 56.79 55.07 56.11 433,800 +0.27(+0.48%) Apr 28, 2015 54.04 56.25 53.74 55.84 745,033 +2.10(+3.91%) Apr 27, 2015 54.61 55.95 53.45 53.74 951,063 -0.59(-1.09%) Apr 24, 2015 56.94 57.10 54.16 54.33 884,726 -2.60(-4.57%) Apr 23, 2015 58.93 58.99 56.74 56.93 664,376 -1.52(-2.60%) Apr 22, 2015 58.02 59.43 53.00 58.45 3,179,306 -0.45(-0.76%) Apr 21, 2015 58.93 60.23 58.25 58.90 1,179,687 +1.27(+2.20%) Apr 20, 2015 57.86 58.65 57.24 57.63 532,202 +0.64(+1.12%) Apr 17, 2015 58.84 58.91 56.50 56.99 472,709 -2.46(-4.14%) Apr 16, 2015 59.69 60.60 59.13 59.45 419,833 -0.27(-0.45%) Apr 15, 2015 58.50 59.85 58.06 59.72 537,966 +1.49(+2.56%) Apr 14, 2015 58.32 58.70 56.96 58.23 625,255 +0.49(+0.85%) Apr 13, 2015 61.15 61.15 56.34 57.74 1,269,596 -4.10(-6.63%) Apr 10, 2015 60.14 61.88 59.76 61.84 506,367 +1.83(+3.05%) Apr 09, 2015 60.03 61.40 59.71 60.01 599,846 -0.28(-0.46%) Apr 08, 2015 59.15 61.52 59.01 60.29 754,467 +1.94(+3.32%) Apr 07, 2015 57.72 59.45 57.41 58.35 376,876 +0.86(+1.50%) Apr 06, 2015 56.09 58.28 55.97 57.49 403,706 +1.16(+2.06%) Apr 02, 2015 57.60 56.33 56.33 56.33 445,300 -1.40(-2.43%) Apr 01, 2015 59.12 59.70 57.06 57.73 503,663 -1.49(-2.52%) Mar 31, 2015 59.28 60.72 58.93 59.22 670,219 -0.50(-0.84%) Mar 30, 2015 58.65 59.91 58.65 59.72 459,354 +1.30(+2.23%) Mar 27, 2015 57.02 58.57 56.60 58.42 403,230 +1.21(+2.12%) Mar 26, 2015 54.14 57.33 53.30 57.21 558,468 +2.60(+4.76%) Mar 25, 2015 57.43 57.44 54.33 54.61 668,980 -2.31(-4.06%) Mar 24, 2015 58.49 58.53 56.63 56.92 472,732 -1.57(-2.68%) Mar 23, 2015 58.96 59.07 57.67 58.49 374,034 -0.68(-1.15%) Mar 20, 2015 60.33 60.33 58.44 59.17 588,563 -0.74(-1.24%) Mar 19, 2015 58.46 60.01 58.05 59.91 338,132 +1.31(+2.24%) Mar 18, 2015 58.01 59.31 57.04 58.60 491,232 +0.27(+0.46%) Mar 17, 2015 58.01 58.52 57.30 58.33 450,241 +0.35(+0.60%) Mar 16, 2015 56.92 58.47 56.47 57.98 428,450 +1.37(+2.42%) Mar 13, 2015 56.38 56.99 55.59 56.61 312,732 +0.37(+0.66%) Mar 12, 2015 54.16 56.74 53.03 56.24 547,844 +2.79(+5.22%) Mar 11, 2015 53.67 54.25 52.40 53.45 594,351 -0.19(-0.35%) Mar 10, 2015 55.06 56.10 53.20 53.64 529,469 -2.83(-5.01%) Mar 09, 2015 55.36 56.63 54.86 56.47 378,168 +1.08(+1.95%) Mar 06, 2015 57.19 57.78 55.33 55.39 411,659 -1.50(-2.64%) Mar 05, 2015 55.07 57.38 54.95 56.89 511,562 +1.79(+3.25%) Mar 04, 2015 56.47 57.25 55.08 55.10 529,510 -1.58(-2.79%) Mar 03, 2015 57.00 57.24 55.62 56.68 328,359 -0.39(-0.68%) 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.