Original link: https://retire50blog.wang/invest/io%E4%BA%A4%E5%89%B2%E8%AE%B0%E5%BD%95.html
IO is a 300 futures option. Like the futures index, the third Friday of each month is the delivery day, and automatic cash delivery. I haven’t delivered it before, this time I will try it out. The 19th is the delivery day. On the 15th, I sold an extremely out-of-value call that expired in the current month. The price is 0.2, the premium is 20 yuan, and the handling fee is 15.01. Theoretically speaking, if I return to zero at maturity, I earn 20 yuan in premium, deduct 15 yuan in handling fee, and 2 yuan in delivery fee. I can actually earn…
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