Rivian call volume above normal and directionally bullish

Bullish option flow detected in Rivian (RIVN) with 163,031 calls trading, 6x expected, and implied vol increasing almost 6 points to 70.03%. 12/12 weekly 18 calls and 12/12 weekly 20 calls are the most active options, with total volume in those strikes near 31,700 contracts. The Put/Call Ratio is 0.33. Earnings are expected on February 19th.