"Odds history points" refer to the number of intermediate values that a service stores when odds change for an event.
To explain it more simply: the odds on a bookmaker's line are not static: they change over time (for example, they start at 2,00, then rise to 2,10, then fall to 1,95). Instead of showing only the current odds and possibly the opening odds, some services, such as SureBet, record several "snapshots" along the way.
How it works in practice:
5 points – the service shows the current odds and up to 4 previous changes (or 5 historical values, including the first one). You see the trajectory of the line movement, but with certain intervals.
10 points + opening odds – a more detailed picture: 10 intermediate values plus the first odds set when the line opened. This helps analyze the speed and direction of the line movement more precisely.
Why this is useful for an arbitrage bettor:
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Assessing the risk of losing a surebet. If the odds drop sharply and you bet on the opposite side, another bookmaker may not have time to adjust.
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Finding "lagging" bookmakers. When the odds have just started changing at one bookmaker, but not yet at another, you may have time to place a bet.
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Understanding whether odds are artificially inflated (a line error) or reflect a natural movement.
Therefore, the "number of points" is the depth of the line-movement history. The more points you have, the more accurately you can predict how the odds will behave in the near future.