Here's a Tweet where they shared a blog post on it:

> ⛏️ASIC PRICE UPDATE⛏️
>
> Bitcoin mining rigs continue their 2022 sell-off. Many models have already hit the lows they set in 2021 after China's mining ban. 
>
> Read on about the state of the ASIC market in today's newsletter👇
>
> https://blog.hashrateindex.com/bitcoin-mining-asic-prices-have-revisited-post-china-ban-lows/

https://twitter.com/hashrateindex/status/1524781766439063554