KRX activates buy-side sidecar for KOSPI on sharp rise

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SEOUL, Oct. 28 (Yonhap) -- South Korea's bourse operator on Wednesday activated a buy-side sidecar for the benchmark Korea Composite Stock Price Index (KOSPI) as the stock index rose sharply.

Program trading for the KOSPI-listed shares was suspended for five minutes at 9:53 a.m., according to the Korea Exchange (KRX).

After opening 2.23 percent higher, the KOSPI added 255.92 points, or 4.54 percent, to 5,894.26 as of 9:55 a.m.

The index rallied as strong artificial intelligence (AI)-driven semiconductor earnings lifted investor sentiment ahead of the Federal Reserve's interest rate decision.

Before the opening bell, SK hynix Inc. reported record-high revenue and operating profit for the third quarter, driven by robust memory chip demand, and announced a shareholder return program worth more than 100 trillion won (US$75.3 billion) for 2026.

A buy-side sidecar is triggered when the KOSPI 200 Futures Index rises 5 percent or more for at least one minute.

SK hynix Inc.'s share price is displayed on the dealing room of Hana Bank in central Seoul on Oct. 28, 2026, after the chip giant posted a record-high operating profit and revenue in the third quarter. (Yonhap)

ejkim@yna.co.kr (END)

KRX activates buy-side sidecar for KOSPI on sharp rise

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首尔，10 月 28 日（韩联社）——由于韩国综合股价指数（KOSPI）大幅上涨，韩国证券交易所运营商周三启动了该指数的买入侧挂交易。

据韩国交易所（KRX）消息，韩国综合股价指数（KOSPI）上市股票的程序化交易于上午9点53分暂停5分钟。

韩国综合股价指数（KOSPI）开盘上涨2.23%后，截至上午9:55，上涨255.92点，涨幅4.54%，至5894.26点。

在美联储利率决议公布前，强劲的人工智能（AI）驱动型半导体盈利提振了投资者情绪，推动该指数上涨。

在开盘前，SK 海力士公司公布了第三季度创纪录的营收和营业利润，这主要得益于强劲的存储芯片需求。该公司还宣布了一项价值超过 100 万亿韩元（753 亿美元）的股东回报计划，该计划将于 2026 年实施。

当 KOSPI 200 期货指数上涨 5% 或以上并持续至少一分钟时，就会触发买入侧联运。

2026年10月28日，芯片巨头SK海力士公司公布第三季度营业利润和营收均创历史新高后，其股价显示在首尔市中心韩亚银行的交易大厅内。（韩联社）

ejkim@yna.co.kr (完)

KRX 为 KOSPI 指数的大幅上涨启动买入策略