Moderately bullish activity in Rivian with shares up 1.09%

Moderately bullish activity in Rivian (RIVN), with shares up 17c, or 1.09%, near $15.70. Options volume more than double the daily average with 186k contracts traded and calls leading puts for a put/call ratio of 0.31, compared to a typical level near 0.49. Implied volatility (IV30) is higher by 5.7 points near 65.76,and above the 52wk median, suggesting an expected daily move of $0.65. Put-call skew flattened, suggesting a modestly bullish tone.