The legalization of QL means that the legalization of QL in China is to legalize QL in China by adjusting the corresponding scheme. QUANTLAB (QL for short) QL Quantitative Securities Company is located in Houston, the largest city in Texas. Established in 1998. Commodity Futures Trading Commission (CFTC) is the main provider of online foreign exchange trading services and one of the most authoritative regulators in the world. Australian ASIC is also one of the foreign exchange regulators. Provide various financial services to individuals and institutions around the world. Its business covers 48 countries including Britain, the Netherlands and the United States, and has set up more than 30 branches.