ETH options expiring 19SEP26, 4 days out, with the forward at $2,476. Open interest is $995K in calls and $218K in puts, put/call 0.22, and max pain is $2,300. At-the-money implied volatility is 54.5%. 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.