$6.4 trillion stock plunge leaves traders worried the 'great bust' is just beginning

Black Monday's wild swings will be the final push for a global sell-off, or the start of a protracted downturn, is impossible to say. What is clear is that the pillars that have underpinned years of financial markets' success - a set of key assumptions that investors around the world have relied on - have been shaken.
So $BTC is not a hedge and crashed down also like a nothing special.