As Benoit Mandelbrot taught us about wild randomness, standard deviation is almost useless for describing market volatility.
SPDR S&P 500 ETF: https://www.zacks.com/funds/etf/SPY/profile?cid=CS-YOUTUBE-FT-VID
ProShares UltraPro QQQ: https://www.zacks.com/funds/etf/TQQQ/profile?cid=CS-YOUTUBE-FT-VID
Splunk: https://www.zacks.com/stock/quote/SPLK?cid=CS-YOUTUBE-FT-VID
Trade Desk: https://www.zacks.com/stock/quote/TTD?cid=CS-YOUTUBE-FT-VID
Alteryx: https://www.zacks.com/stock/quote/AYX?cid=CS-YOUTUBE-FT-VID
Follow us on StockTwits: http://stocktwits.com/ZacksResearch
Follow us on Twitter: https://twitter.com/ZacksResearch
Like us on Facebook: https://www.facebook.com/ZacksInvestmentResearch