5 ms·
Since there's 2 parties to every trade doesn't that make 50% the limit?
by Devilboy 14y ago
Since there's 2 parties to every trade doesn't that make 50% the limit?
- jonah 14y agoTrading volume is number of shares traded, not number of trades. Re-reading, it was actually ~600% greater volume. "The difference reached a peak at 9:58 a.m., when the volume was six times greater." That's pretty noticable!
- sp332 14y agoNope, sometimes they bought stock they sold themselves!
- Devilboy 14y agoIf you sell stock to yourself... why even bother to go through the exchange? Why would the exchange even allow such trades?
- sp332 14y agoKnight has different programs running. It was handling >10% of all NYSE, so it must have been running a lot of servers. When the berserk algorithm wanted to buy or sell a stock where Knight was the only "market-maker", another Knight server would usually intercept the order after it had been posted on the exchange. Here's one way it might have happened: http://www.nanex.net/aqck2/3525.html http://www.nanex.net/aqck2/3525.html