Bullish option flow detected in Riot Blockchain with 40,927 calls trading, 4x expected, and implied vol increasing over 10 points to 96.95%. 10/6 weekly 10.5 calls and 10/6 weekly 11 calls are the most active options, with total volume in those strikes near 10,000 contracts. The Put/Call Ratio is 0.41. Earnings are expected on November 7th.
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