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  2. Kelly criterion - Wikipedia

    en.wikipedia.org/wiki/Kelly_criterion

    E.g., if betting $10 on a 2-to-1 odds bet (upon win you are returned $30, winning you $20), then = $ / $ =. The figure plots the amount gained with a win on the x-axis against the fraction of portfolio to bet on the y-axis. This figure assumes p=0.5 (that the probability of both a win and a loss is 50%).

  3. Martingale (betting system) - Wikipedia

    en.wikipedia.org/wiki/Martingale_(betting_system)

    This means the bettor must have over 65,500 (2^15-1 for their 15 losses and 2^15 for their 16th streak-ending winning bet) times their original bet size. Thus, a player making 10 unit bets would want to have over 655,000 units in their bankroll (and still have a ~5.5% chance of losing it all during 5,000 plays).

  4. Odds - Wikipedia

    en.wikipedia.org/wiki/Odds

    In probability theory, odds provide a measure of the probability of a particular outcome. Odds are commonly used in gambling and statistics. For example for an event that is 40% probable, one could say that the odds are "2 in 5", "2 to 3 in favor", or "3 to 2 against". When gambling, odds are often given as the ratio of the possible net profit ...

  5. Card counting - Wikipedia

    en.wikipedia.org/wiki/Card_counting

    A blackjack game in progress. Card counting is a blackjack strategy used to determine whether the player or the dealer has an advantage on the next hand. Card counters try to overcome the casino house edge by keeping a running count of high and low valued cards dealt. They generally bet more when they have an advantage and less when the dealer ...

  6. Dutch book theorems - Wikipedia

    en.wikipedia.org/wiki/Dutch_book_theorems

    In other words: Player A sets the odds, but Player B decides which side of the bet to take. The price one sets is the "operational subjective probability" that one assigns to the proposition on which one is betting. If one decides that John Smith is 12.5% likely to win—an arbitrary valuation—one might then set an odds of 7:1 against.

  7. NFL Week 7 betting: 7 best lines, props and more, including ...

    www.aol.com/sports/nfl-week-7-betting-7...

    Here's a look at Week 7 of the NFL season from a betting standpoint, with all odds from BetMGM: Thursday night: Not a pretty Broncos-Saints matchup ... The Packers are 2.5-point favorites in this ...

  8. Gambler's fallacy - Wikipedia

    en.wikipedia.org/wiki/Gambler's_fallacy

    The probability of drawing another ace, assuming that it was the first card drawn and that there are no jokers, has decreased from ⁠ 4 / 52 ⁠ (7.69%) to ⁠ 3 / 51 ⁠ (5.88%), while the probability for each other rank has increased from ⁠ 4 / 52 ⁠ (7.69%) to ⁠ 4 / 51 ⁠ (7.84%).

  9. Fixed-odds betting - Wikipedia

    en.wikipedia.org/wiki/Fixed-odds_betting

    Thus, even odds 1/1 are quoted in decimal odds as 2. The 4/1 fractional odds discussed above are quoted as 5, while the 1/4 odds are quoted as 1.25. It is considered to be ideal for parlay betting because the odds to be paid out are simply the product of the odds for each outcome wagered on.