Bullish option flow detected in Jumia Technologies with 10,068 calls trading, 1.1x expected, and implied vol increasing over 15 points to 99.97%. 7/12 weekly 9 calls and Jul-24 9 calls are the most active options, with total volume in those strikes near 5,100 contracts. The Put/Call Ratio is 0.46. Earnings are expected on August 15th.