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Selections are primarily a leveraged situation,??Leon mentioned. ?�When there are big concentrated positions at a particular price tag and expiration, and those appear into expiration, then which will result in liquidation spikes.?????�머지 ?�금?��? ?�래??종이 지갑에 ?�아 ?��? ?�게 ?�니?????�런 ?�해 ?�문??