NIO Inc. (NIO) call put ratio 3.1 calls to 1 put

NIO Inc. (NYSE: NIO) 30-day option implied volatility is at 64; compared to its 52-week range of 62 to 111 into Treasury Secretary Janet Yellen will travel to Beijing this week to meet with senior Chinese officials. Call put ratio 3.1 calls to 1 put.

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