Bullish option flow detected in Jumia Technologies with 13,318 calls trading, 3x expected, and implied vol increasing almost 9 points to 114.21%. 8/23 weekly 5 calls and Aug-24 5.5 calls are the most active options, with total volume in those strikes near 6,800 contracts. The Put/Call Ratio is 0.09. Earnings are expected on November 14th.