The "kimchi premium" — how much higher a crypto asset trades on Korean exchanges (Upbit, KRW) than its global USD price, as a percent. Computed as (Upbit KRW price / (global USD price × USD/KRW)) − 1. Pass symbol = ticker(s), comma-separated up to 10 (default BTC); supported majors include BTC, ETH, XRP, SOL, DOGE, ADA, TRX and more. Returns per symbol { krwPrice, usdPrice, usdKrw, globalUsdInKrw, premiumPct }. Per-symbol resilient (one unlisted symbol does not fail the rest); unresolved symbols are reported in meta.errors. Live blend of Upbit (KRW price) + CoinGecko (global USD) + ECB/Frankfurter (USD/KRW FX).

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