THE BASIC PRINCIPLES OF COPYRIGHT

??Options are in essence a leveraged posture,??Leon reported. ?�When there are actually huge concentrated positions at a certain cost and expiration, and people come into expiration, then that could lead to liquidation spikes.?????�머지 ?�금?��? ?�래??종이 지갑에 ?�아 ?��? ?�게 ?�니?????�런 ?�해 ?�문???�