1. Hashrate Index points out that the supply shock of miners and lenders dumping machines could put significant downward pressure on the ASIC market in the coming months; due to these factors, ASIC prices will keep falling considerably. But as mining machine prices fall, the payback period for buying a bitcoin miner is shortening, with an estimated payback period of 29 months at the moment, 58 months in July of this year, and 47 months for buyers in September.
Yes, not the best period for miners, many have gone into the negative.