https://finance.yahoo.com/quotes/xiv,vxx,^vix/view/v1 $VIX was up 115.60% to 37.32 "This Is It": Traders Panic As XIV Disintegrates After The Close" https://www.zerohedge.com/news/2018-02-05/it-traders-panic-xiv-disintegrates-after-close which links to this article from July 2017 "The "Wipeout Scenario": 250% Losses If VIX Spikes To 20" https://www.zerohedge.com/news/2017-07-20/nightmare-scenario-quantifying-damage-sudden-vix-spike https://twitter dot com/search?f=tweets&vertical=default&q=%24xiv%20liquidation https://twitter dot com/firehorsecaper/status/960637606441734144 "$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 .