The phrase "option system" refers to a way of organizing or structuring choices or alternatives. It means having different possibilities or choices available to choose from. Full definition
But it presents categories that are not necessary to the binary options system software it represents. (binarysoftware.org)
But it presents categories that are not necessary to the binary options system software it represents. (binarysoftware.org)
# 4 You can convert a winning stock trading system into a winning option system by using options for robust entries in place of stock. (newtraderu.com)