Editing Roulette (section)

===Types of betting system===

Betting systems in roulette can be divided in to two main categories:

[[File:Martingale System Simulation.png|thumb|Negative progression system (e.g. Martingale)]]

''Negative progression'' systems involve increasing the size of one's bet when they lose. This is the most common type of betting system. The goal of this system is to recoup losses faster so that one can return to a winning position more quickly after a losing streak. The typical shape of these systems is small but consistent wins followed by occasional catastrophic losses. Examples of negative progression systems include the Martingale system, the Fibonacci system, the Labouchère system, and the d'Alembert system.

[[File:Paroli System Simulation.png|thumb|Positive progression system (e.g. Paroli)]]

''Positive progression'' systems involve increasing the size of one's bet when one wins. The goal of these systems is to either exacerbate the effects of winning streaks (e.g. the Paroli system) or to take advantage of changes in luck to recover more quickly from previous losses (e.g. Oscar's grind). The shape of these systems is typically small but consistent losses followed by occasional big wins. However, over the long run these wins do not compensate for the losses incurred in between.<ref>{{cite web|title=Roulette Systems|url=https://www.roulettestar.com/systems/|website=roulettestar.com|access-date=26 February 2021}}</ref>