Hello, Does anybody know a free website that calculates the RSI on a stock? You enter the simple, it outputs the RSI number. Marketvolume.com makes you sign up after about 10 lookups.
Both the NYSE and the NASDAQ have interactive charts upon which you can add studies such as RSI...of course they are delayed an intraday charts.
Bigcharts.com no sign up or fees. The chart is actually live, but the stock price is delayed a bit. For ETFs they are both live with minimal delay. http://bigcharts.marketwatch.com/advchart/frames/frames.asp?show=&insttype=&symb=tsla&x=0&y=0&time=1&startdate=1/4/1999&enddate=11/2/2015&freq=6&compidx=aaaaa:0&comptemptext=&comp=none&ma=1&maval=9&uf=8&lf=2&lf2=256&lf3=0&type=4&style=320&size=3&timeFrameToggle=false&compareToToggle=false&indicatorsToggle=false&chartStyleToggle=false&state=15 RSI is under Lower Indicator set up on the left.