$VIX was up 115.60% to 37.32
"This Is It": Traders Panic As XIV Disintegrates After The Close"
which links to this article from July 2017
"The "Wipeout Scenario": 250% Losses If VIX Spikes To 20"
https://twitter dot com/search?f=tweets&vertical=default&q=%24xiv%20liquidation
https://twitter dot com/firehorsecaper/status/960637606441734144
"$XIV Apparent liquidation concerns. Prospectus states liquidation event if #VIV prints >100 1-day basis. $SVXY also with same AH action. "
https://twitter dot com/polan13/status/960637123878506496
I think we just saw liquidation events on multiple $VIX products. By liquidation event I think they might not exist tomorrow. If you want to learn more about this follow @jessefelder
Judging by the number of VIX (XIV, SVXY...) threads on here today (6, I think this one is), I suspect there's a lot of ETers hurtin' this afternoon.