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Choices are basically a leveraged placement,??Leon claimed. ?�When you will find huge concentrated positions at a certain rate and expiration, and people occur into expiration, then that may result in liquidation spikes.?????�머지 ?�금?��? ?�래??종이 지갑에 ?�아 ?��? ?�게 ?�니?????�런 ?�해 ?�문???�용?�