When the success rate prediction of removing low-probability option exceeding 75%, and the 99s odds of the low-probability option rising less than 10% higher than the initial odds, the pre- warning will be triggered.

When the success rate prediction of removing double low-probability option exceeding 65%, the pre-warning will be triggered.

Trigger conditions: when the statistical probability of core similar home team losing odds exceeding 75%, and the number of matches 20, the pre-warning will be triggered.
Prediction direction: the away team has a very high probability to win.