{"code":"0191M0","isin":"KR70191M0007","name":"마이티 5월만기자동연장특수채(AAA)액티브","as_of":20260804,"close":100520.0,"change":15.0,"change_rate_pct":0.01,"open":100520.0,"high":100520.0,"low":100520.0,"volume":0,"amount":0.0,"nav":100533.09,"nav_disparity_pct":-0.01,"net_asset":41611566528.0}