# What is 7Cric New Id Kelly betting on fractions?

Fractional Kelly betting in 7Cric New Id involves multiplying f by an integer between 0 and 1. As a result, if we use h as our multiplier, where 0 h 1 equal 1, we now bet h*f of our account balance rather than f. Because you are betting a smaller fraction of your account balance, the lower the value of h, the more conservative the strategy.

A quarter Kelly approach, for example, with h = 1/4, is more conservative than a half Kelly strategy with h = 1/2. The graph below compares a full Kelly to a half Kelly and a quarter Kelly in a stylised manner.

The graph was created by simulating 100 bets with odds of 2.10 and a perceived likelihood of occurrence (which is assumed to be true) of 50%. It is worth noting that the full Kelly criterion produces the most volatility but also the most long-term growth.

## How to Put Fractional Kelly Betting into Action?

The only uncertain variable in complete Kelly betting is your perceived probability, p, of an outcome occurring. The betting odds are well known, and q is simply 1 - p. With fractional Kelly betting, you may now choose how much to decrease f by. A conservative strategy is to multiply f by a number close to zero, while an aggressive strategy is to multiply f by a value close to one.

## How Do You Decide on a Value For H?

Setting an arbitrary value for h, say h = 0.25, and starting Kelly betting is a non-technical technique. If your technique has produced favourable results after a few hundred bets, you may increase h to 0.30 for the following round of bets and continue in this manner until you find a value for h that you are satisfied with.

## Key Parameters for Effective Assessment

A more technical technique would be to keep track of a few hundred bets over time:

- The wagering odds
- Your perception of the likelihood of occurrence
- f's Kelly criterion value
- The outcome of that bet (win/loss).

Simulate your portfolio performance if you wager h*f on these fixtures for any arbitrary value of h. The Excel solver may be used to determine the value of h that would have maximized the increase of your account balance over time. Alternatively, you may compute the value of h that would have provided a level of volatility that you are satisfied with in retrospect. This h value might then be applied and adjusted over time as more betting data is collected.

## Kelly Betting with Variable Fractions in 7Cric New Id

While some practitioners employ the same value of h for all bets, another option is to modify h based on your confidence in the value of p chosen. Remember that the Kelly criterion determines the best bet amount based on the difference between p and the probability implied by the betting odds (1/d). When using variable fractional Kelly betting, your bet amount is determined by the difference between p and 1/d as well as your confidence in the chosen value for p.

Let h be the largest fraction you'd ever consider multiplying f by. If you set h = 1, you are willing to apply complete Kelly betting in some cases. Alternatively, you may only want to stake up to 0.5*f, so h = 0.5.

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