How can you not trace a 900 point Flash Crash//Monday 3 PM

Here is the article - https://www.bloomberg.com/news/arti...fingerprints-all-over-a-dow-rout-for-the-ages

How can you not trace back the trades? There has to be an audit trail. Money is moving out of and into accounts.

If anyone has more detailed data on the 10 min Flash Crash would be interested.

Also if you are shotting out stops and the like how does everything bounce back so quickly after a Flash Crash?


I take it they're saying they can't trace the event to either deliberate depression of the market or an accidental sell campaign. Obviously given time every order can be traced. But what's the point? It does seem this was just a market functioning as a market - at the limit of its behaviour patterns - but its still just the market being the market.
 
Most here are right - it is what it is. Things happen. I was just curious.

I was interested in the mechanics of running the book. To my knowledge all of the Flashes are to the down side.

There seems that there would be a lot of market orders instead of limit orders which I would think unusual.

Put another way - if you want to down the market 800 points in 10 mins, what would you look for in market conditions and how would you do it?
 
So the idea behind this is that it's ok for the market to rally to the moon, but when it corrects, whoever sold is a criminal?

OK got it


No, genuine selling is no crime. Accidental sales due to "fat finger syndrome" is no crime. But generating unsustainable sell orders to artificially depress prices is a crime.
 
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