Newb here. Is Bitfinex buying coins? I've watched hundreds of bitcoins sold at $8200 with only 2-10 available. What's up with that?
Margin calls aren't shown on some charts sites...https://twitter.com/MrJozza/status/960175631068778496 thread
https://www.bfxdata.com/swapstats/btc
edit/add https://twitter.com/MacroScope17/status/960271877628485632 thread posits exactly what you're saying
I'd guess it's both.