5 ms·
As I understand it, all it takes is one share to have been sold at that price. Probably indicates someone having a "sell n shares at any price" order where n >
by jey 17y ago
As I understand it, all it takes is one share to have been sold at that price. Probably indicates someone having a "sell n shares at any price" order where n > buy orders at that moment..?
Regardless of the details, this is an example of how markets aren't perfectly efficient.
- yan 17y agoI don't think anyone claims the markets are 'perfectly' efficient. Even the people that believe they are efficient and choose to participate argue that they are exploiting the inefficiencies.
- orblivion 17y agoFurthermore the real question is, could the market possibly be made more efficient if some "expert" were there deciding when a trade was a bad idea?
- WingForward 17y agoProbably.
- jey 17y ago[citation needed] "Experts" are overrated. The whole notion is fundamentally backward-looking. You might as well consult a historian.
- eru 17y agoShouldn't they be experts on both sides of all (or at least most) trades already?
- eru 17y ago> Regardless of the details, this is an example of how markets aren't perfectly efficient. No. Just that the last reported transaction may not be `true' price. There are other arguments against efficiency of markets, but this isn't.