"Perhaps the most insidious instinct for traders
is the brain’s tendency
to equate the quality of a decision
with its outcome.
--
The brain
is NOT designed to process
the type of low-probability outcomes that traders often encounter,
where losing is part of the game.
Therefore, new traders will often make a trade, lose money, and then think to themselves,
“I shouldn’t have made that trade.”
In behavioral finance,
this tendency is known as outcome bias.
--
Master traders know that any particular trade could be a losing trade
and that good trading strategies often bring losing trades.
Therefore, they have learned to undo the effects of this outcome bias
and to focus not on the outcome for a trade,
but instead on
the quality of the decision behind the trade."
- Curtis Faith
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