ETH options expiring 14SEP26, 4 days out, with the forward at $2,467. Open interest is $472K in calls and $782K in puts, put/call 1.65, and max pain is $2,450. At-the-money implied volatility is 43.8%. 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 ETH expiries.