COPYRIGHT - AN OVERVIEW

Choices are basically a leveraged placement,??Leon said. ?�When there are massive concentrated positions at a certain value and expiration, and people occur into expiration, then that may cause liquidation spikes.?????�머지 ?�금?��? ?�래??종이 지갑에 ?�아 ?��? ?�게 ?�니?????�런 ?�해 ?�문???�용?�는 ?�