A.I.M. Users Bulletin Board

[ls7550]

In short, there was no statistically significant evidence of any overall skill."

But with appropriate gameplay !!!

Consider coin flips, start with 1 unit stake and after a losing play increase the next plays stake by 1, after a winning play reduce the stake by 1.

Bet $1 on heads, comes up tails
Bet $2 on heads, comes up tails
Bet $3 on heads, comes up heads ... outlay $6, returned $6, break-even despite 33% success rate.

When heads are finite (current to zero share price divided into 4 equal steps), then total bankruptcy can be eliminated.

AIM uses such a Martingale/d'Alembert betting sequence approach (increasing stake after losses). Many others (scared/greedy) opt to follow anti-martingale.