Selections are in essence a leveraged place,??Leon stated. ?�When there are large concentrated positions at a certain price tag and expiration, and those appear into expiration, then that could cause liquidation spikes.?????�머지 ?�금?��? ?�래??종이 지갑에 ?�아 ?��? ?�게 ?�니?????�런 ?�해 ?�문???�용?�… Read More