MATURE ante-post markets: please discuss.

Here was the ante-post betting on the top six horses in the betting for the King George after five-day entries on Thursday afternoon, at very best prices: 11/4 Might Bite, 5/1 Waiting Patiently, 11/2 Politologue, 7/1 Bristol De Mai, 7/1 Thistlecrack, 7/1 Native River.