Mixed options sentiment in Riot Blockchain with shares up 0.38%

Mixed options sentiment in Riot Blockchain (RIOT), with shares up 5c, or 0.38%, near $13.21. Options volume running well above average with 143k contracts traded and calls leading puts for a put/call ratio of 0.47, compared to a typical level near 0.42. Implied volatility (IV30) dropped 1.37 near 72.7,in the bottom quartile of the past year, suggesting an expected daily move of $0.60. Put-call skew steepened, indicating increased demand for downside protection.