Sorry - But I've no idea - Thanks for the reminder of 'em Have dropped currently back to .15 I see.....which almost appears to be a reasonable entry Do keep us posted, should you learn anything.....Thanks ! https://bigcharts.marketwatch.com/advchart/frames/frames.asp?show=&insttype=Stock&symb=ca%3Abrz&x=37&y=13&time=100&startdate=1%2F1%2F2019&enddate=4%2F16%2F2021&freq=1&compidx=aaaaa%3A0&comptemptext=&comp=none&ma=0&maval=9&uf=0&lf=1&lf2=0&lf3=0&type=2&style=320&size=3&timeFrameToggle=false&compareToToggle=false&indicatorsToggle=false&chartStyleToggle=false&state=9