According to 6 the July update on CIC website it is mentioned that candidates having scores 451-600 are 764 whole 401-450 are around 11k. Assuming they want to meet their target it seems that the ITA will remain around 430. But of course things might change like more candidates adding to the pool and provincial nominations (which affects only one or two draws at best) which can increase the ITA score. Now that's only my opinion and I'm not an expert.