Mixed options sentiment in NIO with shares down 1.28%

Mixed options sentiment in NIO (NIO), with shares down 10c near $7.36. Options volume running well above average with 320k contracts traded and calls leading puts for a put/call ratio of 0.4, compared to a typical level near 0.37. Implied volatility (IV30) dropped 2.15 near 81.3,and above the 52wk median, suggesting an expected daily move of $0.38. Put-call skew flattened, suggesting a modestly bullish tone, following an upgrade to Buy at UBS.