I'd always assumed his trader-buffoon shtick was to push the proles to trade a particular way so that his trader buddies could profit from the herd. But coin toss is probably as accurate and more charitable.
I'm new here and I tried to reply to the other comments, but this is the only one that had a "reply" button to, so here's hoping that everyone else on this thread can see what I say.
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That's not what cramer's predictions are though - his predictions are likely not far off from a random flip of the coin. So an inverse is likely to perform just as well (or poorly) as the real prediction!