bluebird bio (BLUE) call put ratio 6.8 calls to 1 put into confirms FDA approval of Zynteglo

bluebird bio (NASDAQ: BLUE) 30-day option implied volatility is at 192; compared to its 52-week range of 61 to 184 into confirms FDA approval of Zynteglo. Call put ratio 6.8 calls to 1 put.

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