Yang-Zhang Volatility Updated for SD

١١ يوليو ٢٠١٩

thanks to mpatte15 for writing this originally
code was updated to utilize sqrt on Vyangzhang to plot standard deviation vs variance

١٤ سبتمبر ٢٠٢١

ملاحظات الأخبار

updated base chart and changed color on avg iv from aqua to blue nothing major