Funding rates to borrow $BTC on Bitfinex hitting 100%+ annualized. This funding has rippled to Bitmex as well.

At these rates, it takes a little over one month for a 10x short to get liquidated even if BTC doesn't move. A 50x short gets liquidated in under a week.

https://twitter.com/zhusu/status/1122527945094905856