What does STC mean trading?

Excuse me, could you kindly elaborate on the term "STC" in the context of trading? I'm a bit unfamiliar with the acronym and would greatly appreciate it if you could provide a clear and concise explanation of its meaning within the realm of cryptocurrency or financial trading. Is it a specific trading strategy, an abbreviation for a particular exchange or platform, or perhaps a reference to a certain type of token or asset? Your insight would be invaluable.