"Flash crash" refers to a sudden and extreme drop in the value of stocks, bonds, or other financial markets. It happens very quickly, often within a few minutes, and can cause a large-scale panic and chaos in the financial world. Full definition
The second comparison is to the number of mini flash crashes during any three minute window during regular market hours (9:30 am — 4:00 pm) during the same days. (journals.plos.org)
And it's not that hard to fix: Throw in a pause when prices move too much, and you can more or less eliminate flash crashes with technology. (bloomberg.com)
The price per ethereum after last week's ETH market flash crash has been holding just above the $ 300 range. (simplybitcoins.com)