mr guru, so shoot me, couldn't help it. btw, looks research-lab-worthy. thumbs up! how long has this inhabited your domicile? if you have any performance data re efective yield levels (specific y-axis values of no interest) ups/downs, response to changes over time are of interest, that'd be crazy generous of you. cheers. never stop! btw2, where d'chair?, what's your brand. thx https://elitetrader.com/et/threads/trading-chairs.226092/