I don't think prediction markets work well for that. It is a market and you can't really prevent anyone else from benefitting from the same victims, which dilutes your earnings.

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forgetfreeman an hour ago | parent [-]

You don't need a perfect oracle to win on prediction markets. All it takes is enough influence to tip % in your favor. Card counting is very effective.

	▲	marginalia_nu 39 minutes ago \| parent [-]
		Yeah, as long as it's reasonably reliable, compound interest also adds up to turn even small ROIs into big wins across multiple investments.