What's going on with Bitcoin traded in CNY?

OKCOIN:BTCCNY   Bitcoin / Chinese Yuan
Not sure if this is an error or something else. Just curious what's going on here with BTC looking to be completely flat to CNY in November?
2017 data. reckeck.
I think Bitcoin trading is banned in China
idrd4788 hungry_hippo
@hungry_hippo, 2017 data, reckeck.
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