Bullish option flow detected in Redfin with 13,772 calls trading, 3x expected, and implied vol increasing almost 4 points to 99.95%. Jul-24 7 calls and 8/9 weekly 8 puts are the most active options, with total volume in those strikes near 3,600 contracts. The Put/Call Ratio is 0.26. Earnings are expected on August 1st.