{"date":"2026-09-19","weekday":"토","data_date":"2026-09-18","basis":"9월 18일 마감 기준 · 오늘 마감 데이터 대기","fact":"2026년 9월 18일 금요일 마감 기준, 외국인 순매수 1위는 SK하이닉스(+13,408억), 돈이 가장 몰린 업종은 반도체(평균 +7.40%)입니다.","indices":{"kospi":{"price":6894.23,"chg_pct":2.66},"kosdaq":{"price":827.12,"chg_pct":0.6}},"flows":{"kospi":{"individual_eok":-45513,"foreign_eok":10081,"institution_eok":18732},"kosdaq":{"individual_eok":546,"foreign_eok":-919,"institution_eok":220}},"sectors":[{"name":"반도체","avg_chg_pct":7.4},{"name":"광통신","avg_chg_pct":9.56},{"name":"전력기기","avg_chg_pct":10.87},{"name":"데이터센터","avg_chg_pct":8.56},{"name":"로봇","avg_chg_pct":5.77}],"foreign_buy":[{"name":"SK하이닉스","net_eok":13407.7,"streak":1},{"name":"가온전선","net_eok":1100.1,"streak":2},{"name":"SK스퀘어","net_eok":1029.4,"streak":2},{"name":"삼성전기","net_eok":977.7,"streak":1},{"name":"대한광통신","net_eok":909.1,"streak":1},{"name":"LS ELECTRIC","net_eok":499.4,"streak":2},{"name":"한미반도체","net_eok":334.9,"streak":1}],"foreign_sell":[{"name":"삼성전자","net_eok":-4335.6,"streak":-8},{"name":"삼성전자우","net_eok":-1279.6,"streak":-6},{"name":"이수페타시스","net_eok":-616.5,"streak":-2},{"name":"두산에너빌리티","net_eok":-562.6,"streak":-7},{"name":"NAVER","net_eok":-560.3,"streak":-3}],"inst_buy":[{"name":"삼성전자","net_eok":7154.1,"streak":3},{"name":"SK하이닉스","net_eok":2937.0,"streak":1},{"name":"삼성전기","net_eok":1889.9,"streak":1},{"name":"삼성전자우","net_eok":467.0,"streak":12},{"name":"SK스퀘어","net_eok":422.1,"streak":1}],"short_top":[{"name":"삼성전자","eok":2716.0,"weight_pct":5.97},{"name":"SK하이닉스","eok":2585.6,"weight_pct":2.93},{"name":"NAVER","eok":353.0,"weight_pct":13.75},{"name":"이수페타시스","eok":351.6,"weight_pct":15.22},{"name":"SK스퀘어","eok":199.2,"weight_pct":3.53}],"short_asof":"20260918","source":"KRX 투자자별 매매 집계 · 거래소 시세","unit":"억원","disclaimer":"특정 종목의 매매를 권유하지 않습니다. 투자 판단의 책임은 본인에게 있습니다.","url":"https://www.alphapass.kr/today/2026-09-19","home":"https://www.alphapass.kr"}