In crypto the derivatives market accounts for the most volume so it's important to be aware of the dynamics of that market.
There are two types of contracts that are very popular: the perpetual swap contracts and the classic futures contracts with an expiration date.
The main difference between the two is that perpetuals are continuous contracts on which, in...
This chart shows Bitfinex USD margin shorts and on the bottom the changes in these positions, denominated in BTC.
These are enormous positions which clearly have an impact on the market.
The recent 25k BTC short position was solely responsible for pushing price down about 6%.
That position must have had a value of about 1 billion USD.
So Bitfinex shorts might...