Version 15.4 2021.02.25
Improved algorithm.
Version 15.3 2020.10.21
Improved algorithm.
Version 15.2 2020.04.28
Improved algorithm.
Version 15.1 2018.07.10
Improved algorithm.
Version 15.0 2015.12.10
Improved algorithm.
Version 14.0 2015.10.12
1. Improved algorithm.
2. Added output of Ask price data. Data are generated in the form of the upper shadow of a tick bar. From these data, we can accurately estimate the spread value at any time on a cumulative tick history.
Version 12.0 2014.12.23
Improved algorithm.