4 articles
Playing randomly costs you 2–4%. Playing perfect basic strategy compresses the house edge to 0.5%. Every hit, stand, double, and split has a calculable expected value.
The Martingale seems foolproof: double your bet after every loss and you must eventually win back everything. The math tells a different story.
The Kelly Criterion is the mathematically optimal formula for bet sizing when you have an edge. It is used by professional gamblers, poker players, and investors.
The Fibonacci sequence appears throughout nature and mathematics. As a betting system, it is more conservative than Martingale, but it shares the same fundamental flaw.