Stack to Pot Ratio

  • Stack to Pot is the proportional ratio between effective stacksize remaining and the current size of the pot.
    SPR = Effective Stacksize remaining / Current Pot Size

    Stack to Pot expresses the relation between effective stacksize and the current size of the pot. This expression has a direct indication for implied odds and the value of having position.

    A large SPR number means there is a lot of money still in the active players stacks compared to the current potsize. This means implied odds are possible and there is still room for multiple wagers until showdown which improves the value of having position.

    A small SPR number means there is little to no money left in the active players stacks compared to the current potsize. This means there are not many implied odds remaining and the value of position decreases sigificantly too.

    Every SPR <= 1 and around it is considered a small, or shallow SPR.

    An SPR of 1 means there is a potsize bet left to put the effective stack all-in.

    Every SPR considerably larger than 1 is considered a big or deep SPR. There are multiple times the potsize left in order to put the effective stack all-in.



    Examples:

    a) There is $80 in the pot and you are headsup with another player. The effective remaining stacksize between the two players is $20. The SPR is $20 / $80 -> The SPR is 0.25 which indicates a very shallow SPR.

    b) There is $80 in the pot and you are headsup with another player. The effective remaining stacksize between the two players is $80. The SPR is $80 / $80 -> The SPR is 1, the SPR is shallow with exactly a potsize bet remaining.

    c) There is $80 in the pot and your are headsup with another player. The effective remaining stacksize between the two players is $400. The SPR is $400 / $80 -> The SPR is 5, the SPR is deep with multiple potsize bets remaining till a player is all-in.

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