Bullish option flow detected in Jumia Technologies with 10,397 calls trading, 2x expected, and implied vol increasing almost 23 points to 135.84%. Jul-24 16 calls and 7/12 weekly 13 calls are the most active options, with total volume in those strikes near 5,800 contracts. The Put/Call Ratio is 0.20. Earnings are expected on August 15th.