BTC lending rate on bitfinex is 80% (annual basis). Never seen it above 5% before.
Interesting. Did people just discover they can short on bitfinex?

Interesting. Did people just discover they can short on bitfinex?

I don't know, but based on total USD borrowed/total BTC borrowed, leveraged traders need the market to fall to $81 to even out their positions. Continued upwards movement will cause a short squeeze.