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Although hedge funds specialising in cryptocurrency trounced other strategies in 2024, with data provider Preqin estimating a 24.5% annualised return, investors are less convinced for 2025.
A betting strategy (also known as betting system) is a structured approach to gambling, in the attempt to produce a profit. To be successful, the system must change the house edge into a player advantage — which is impossible for pure games of probability with fixed odds, akin to a perpetual motion machine. [ 1 ]
Example of the optimal Kelly betting fraction, versus expected return of other fractional bets. In probability theory, the Kelly criterion (or Kelly strategy or Kelly bet) is a formula for sizing a sequence of bets by maximizing the long-term expected value of the logarithm of wealth, which is equivalent to maximizing the long-term expected geometric growth rate.
A bet of 100 units on any of the four combinations would produce a return of 100 × (3/1 + 1) = 400 units if successful, reflecting decimal odds of 4.0. The decimal odds of a multiple bet is often calculated by multiplying the decimal odds of the individual bets, the idea being that if the events are independent then the implied probability ...
A thousand miles south, and 250 miles off the coast of New Orleans, the oil and gas company TechnipFMC (FTI) is building an elaborate network of manifolds and umbilical cords for between $250 ...
According to the 2006 study the most popular forms of gambling in South Africa were the National Lottery (96.9% participation), slot machines (27.7% participation), scratchcards (22.7% participation), charity jackpot competitions (11.6% participation) and horse racing betting (11.5% participation). 8.3% of respondents said they have never gambled and a further 5.5% characterised themselves as ...
In 2007, Buffett bet a million dollars that over the course of a decade, a simple S&P 500 index fund would outperform a basket of hand-picked hedge funds. He picked the Vanguard 500 Index Fund ...
Even if the gambler can tolerate betting ~1,000 times their original bet, a streak of 10 losses in a row has an ~11% chance of occurring in a string of 200 plays. Such a loss streak would likely wipe out the bettor, as 10 consecutive losses using the martingale strategy means a loss of 1,023x the original bet.