| stock price simulation of mixed bifractional Brownian model | stock price simulation of classic B-S model | Yitai B shares |
January 18, 2018 January 19, 2018 January 22, 2018 January 23, 2018 January 24, 2018 January 25, 2018 January 26, 2018 | 0.368691059441825 0.342805896793955 0.348823653279815 0.36820954133242 0.369445692945008 0.365511167771182 0.372890699299323 | 0.187861193583035 0.185059204986863 0.195691060109479 0.197193216245556 0.202073187553101 0.193943179312515 0.194888822159231 | 1.495 1.491 1.512 1.507 1.515 1.55 1.552 |