SOL options expiring 11SEP26, 4 days out, with the forward at $105. Open interest is $9M in calls and $6M in puts, put/call 0.62, and max pain is $106. At-the-money implied volatility is 54.2%. Where a strike is listed on both venues the cheaper ask and richer bid are visible side by side; the arb scanner flags any gap that exceeds fees. Strikes shown are within 60% of the forward. All SOL expiries.