{"schema": "kr-market-premium/v1", "service": "kr-market-data-v1", "symbol": "BTC", "fetched_at_utc": "2026-10-05T22:46:46+00:00", "venues": [{"venue": "upbit", "status": "OK", "trade_price_krw": 116229000.0, "usd_reference_in_krw": 115356835.2266, "premium_pct": 0.7561}, {"venue": "bithumb", "status": "OK", "trade_price_krw": 116182000, "usd_reference_in_krw": 115356835.2266, "premium_pct": 0.7153}], "usd_reference": {"venue": "binance", "status": "OK", "pair": "BTCUSDT", "price_usdt": 85965.94, "source": "https://api.binance.com/api/v3/ticker/price?symbol=BTCUSDT"}, "usdkrw": {"rate": 1341.89, "provider": "Yahoo Finance KRW=X (intraday)"}, "method": "premium_pct = KRW trade price / (Binance BTCUSDT price x USDKRW) - 1; USDT treated as 1 USD; observed at fetch time, not a forecast", "sources": ["https://api.upbit.com/v1/ticker?markets=KRW-BTC", "https://api.bithumb.com/v1/ticker?markets=KRW-BTC", "https://api.binance.com/api/v3/ticker/price?symbol=BTCUSDT", "https://query2.finance.yahoo.com/v8/finance/chart/KRW%3DX?range=1d&interval=5m", "https://open.er-api.com/v6/latest/USD"]}