증권회사가 제때에 반대매매를 하지 아니하여 이른바 적자계좌(속칭 깡통계좌)가 되게 한 경우 고객에 대한 손해배상책임을 인정한 사례.
Case where the securities company's liability for damages was acknowledged when, in margin trading, it did not liquidate the customer's assets in a timely manner causing account deficit (also known as margin deficit)