I think Houbi is still up based on their actual website. They show the real-time transactions and it's definitely active https://www.huobi.com/?lang=en
Must be a data feed problem for bitcoinwisdom.
Must be a data feed problem for bitcoinwisdom.
I could access the website the second timne I tried but got a cloudflare error when I tried to access the market page. The first time I tried to access the home page I got a cloud flare error.
The ticker still appeared to show some trades. Cryptsy sometimes crashes but people can still trade through the API. That might be happening on Huobi, although Bitcoinity shows no trades for hours.