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$Facebook(FB)$现在是卖put的好时机吧？

$反向波动率指数短期期货ETF(SVXY)$ 近期波动率彪涨，已经超过历史平均值。现在还能做空波动率吗？

$二倍做多波动率指数短期期货ETF-ProShares(UVXY)$ 上周五空了100股uvxy，这两天亏的难受死了。不知道什么时候会回去？ 如果一直不平仓，需要支付额外做空的费用吗？

前两天空了100股uvxy ，今儿居然自动平仓啦。 账户里应该有足够的现金，怎么会出现这种情况？ 各位大神，有了解的能帮忙解释下？ 庆幸空的不多。亏200刀。 Dear Trader, Based upon the information available yesterday at 17:00 ET, you were provided with notice of certain short stock positions in account U9 which were subject to buy-in this morning as the necessary stock borrow could not be secured within the settlement deadline. Please be aware that as of 09:00 ET this morning we have not yet been able to locate and borrow the shares necessary to support these positions. While we will continue to attempt to borrow these shares up until 09:30 ET, any short positions for which a loan cannot be secured by that deadline will be bought-in as required by regulation. Positions for which a buy-in has been processed will be reflected in the account at an indicative price.

老虎用户在ib上交易期权组合，指数，期货，佣金怎么算？

大家都用什么软件看盘？用什么技术指标做参考？ 有没有什么基础的书可以介绍的？先谢过了。

$中国ETF-SPDR S&P(GXC)$ ，买国家的etf, 是不是可以参考当天股市情况？如果当天涨的话，就买进，反之亦然。

想问下指标怎么设置，比如我想设ma60.? ma120? 电脑版的怎么没有macd? 哪里可以看。买etf, 盘前盘后交易时间？ #新手训练营#