【2/6瞬間破產】期貨大屠殺慘賠40億!!!!!! - 股票

By Connor
at 2018-09-07T19:32
at 2018-09-07T19:32
Table of Contents
剛剛在八卦版的文章,請容許我到這邊再發一次。
https://www.ptt.cc/bbs/Gossiping/M.1536308039.A.926.html
我沒有要幫那些慘賠的人講話,所以我用詞也盡量中性了,
只是把那天發生的事情,以及值得注意的現象再講一次而已。
其實2/6之後已經很多文章有討論了XD
----------------------------
據我所知,那天大賠的大多是選擇權賣方,
選擇權賣方的定位是:
1.勝率非常高,但是一次只賺幾%
2.輸一次可能傾家蕩產
所以很多過來人都說要玩選擇權可以,千萬不要當賣方。
因為人是貪心的,你看到勝率高,每次只賺一點,很容易就會越壓越大,
最後就一次被抬出去。
另外一件事是,當天的情況其實滿特殊的。
當天很多被抬出去的選擇權賣方其實方向是看對的,
也就是說,他們當天應該是要是賺錢的。
但是因為市場中的其中一些人,使用了雙賣的策略,就是同時做多又做空,
(同時做多又做空,這句話我後來想想,有點說錯,
應該是同時希望不漲,也希望不跌,平盤賺最大)
結果當天做多的部位虧錢,做空的部位賺錢。
做多的部位因為虧太大,券商就強制把多空同時平倉。
這時候問題出來了,這些人買的衍生性商品,流動性特別差,
所以大量的券商強制平倉,就把交易量很少的商品買到漲停了。(多空都被買到漲停)
結果買到漲停之後,一堆原本做空的賣方,方向明明是看對的,
保證金就因此不足,就也被券商強制平倉了,
因此引發更大的連鎖反應,大家都在被券商強制平倉。
所以當天就出現了一個奇景......
選擇權多空同時漲停,除了當天才入場的賣方,其他的散戶賣方全死。
然後當天才入場的賣方就賺翻了,賣了一堆漲停的call。
--
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股票
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