4 ms·

Agreed, if stock prices were predictable by some technical means, they would be quickly driven to unpredictability by people trading on those technical indicato

• frankc 2y ago
  This is that old finance chestnut. Two finance professors are walking down the hall and one of them spots a twenty dollar bill. He goes to pick it up but the other professor stops him and says "no don't bother. If there was twenty dollars there someone would have already picked it up" Yes, people arbitrage away these anomalies, and make billions doing it.
  • icapybara 2y ago
    My point was more that the arbitrage is not systematically predictable, not that the arbitrage doesn’t exist.
• amelius 2y ago
  And that would make the stock markets accessible to fewer people, further widening the wealth gap.