{"id":73342,"date":"2026-10-20T22:08:17","date_gmt":"2026-10-21T02:08:17","guid":{"rendered":"https:\/\/www2.stockmarketwatch.com\/stock-market-news\/asian-markets-surge-as-kospi-triggers-sidecar-halt-jgb-demand-hits-record\/73342\/"},"modified":"2026-10-20T22:08:17","modified_gmt":"2026-10-21T02:08:17","slug":"asian-markets-surge-as-kospi-triggers-sidecar-halt-jgb-demand-hits-record","status":"publish","type":"post","link":"https:\/\/www2.stockmarketwatch.com\/stock-market-news\/asian-markets-surge-as-kospi-triggers-sidecar-halt-jgb-demand-hits-record\/73342\/","title":{"rendered":"Asian Markets Surge as KOSPI Triggers &#8220;Sidecar&#8221; Halt; JGB Demand Hits Record"},"content":{"rendered":"<h2>Key Takeaways<\/h2>\n<ul>\n<li><strong>South Korea&#39;s KOSPI triggered a &quot;sidecar&quot; trading halt<\/strong> after KOSPI 200 futures jumped <strong>5.22%<\/strong>, leading to a five-minute suspension of program trading.<\/li>\n<li><strong>Samsung Electronics (<a href=\"\/stock\/005930.KS\">005930<\/a>) and SK Hynix (<a href=\"\/stock\/000660.KS\">000660<\/a>)<\/strong> led a massive tech rebound, climbing <strong>4.14%<\/strong> and <strong>5.89%<\/strong> respectively as AI profitability concerns eased.<\/li>\n<li><strong>Japanese 20-year government bonds (JGBs)<\/strong> saw record-breaking demand with a <strong>5.84 bid-to-cover ratio<\/strong>, the highest on record, as investors locked in elevated yields.<\/li>\n<li><strong><a href=\"https:\/\/stockmarketwatch.com\/metal\/gold\" data-internallinksmanager029f6b8e52c=\"4\" title=\"gold price today\">Gold prices<\/a> fell to near $4,120 per ounce<\/strong> as rising <a href=\"https:\/\/stockmarketwatch.com\/energy\/crude-oil\" data-internallinksmanager029f6b8e52c=\"12\" title=\"Crude oil\">oil prices<\/a> fueled expectations that the Federal Reserve will maintain higher interest rates to combat inflation.<\/li>\n<li><strong>Taiwanese equities surged over 2%<\/strong>, though the New Taiwan Dollar weakened to <strong>32.704 per US dollar<\/strong> amid shifting currency dynamics.<\/li>\n<\/ul>\n<h2>KOSPI Triggers Sidecar Amid Tech-Led Rebound<\/h2>\n<p>The South Korean stock market experienced a dramatic surge on Wednesday, triggering a <strong>buy-side &quot;sidecar&quot;<\/strong> mechanism for the first time in months. The Korea Exchange (KRX) suspended program trading for five minutes at 10:51 a.m. local time after <strong>KOSPI 200 futures<\/strong> soared <strong>5.22%<\/strong> above the base price, reaching <strong>904.84 points<\/strong>.<\/p>\n<p>This explosive growth was driven by a sharp recovery in the semiconductor sector. Market bellwether Samsung Electronics (<a href=\"\/stock\/005930.KS\">005930<\/a>) jumped <strong>4.14%<\/strong>, while its rival SK Hynix (<a href=\"\/stock\/000660.KS\">000660<\/a>) surged <strong>5.89%<\/strong>. Investors appeared to shake off recent &quot;AI jitters&quot; as they awaited quarterly earnings from Meta Platforms (<a href=\"\/stock\/META\">META<\/a>), viewing the previous session&#39;s 4% dip as an overextended sell-off.<\/p>\n<h2>Record Demand for Japanese Sovereign Debt<\/h2>\n<p>In Japan, the Ministry of Finance reported unprecedented interest in its latest <strong>20-year government bond (JGB)<\/strong> auction. The bid-to-cover ratio hit a record <strong>5.84<\/strong>, significantly higher than the 12-month average of <strong>3.73<\/strong>. This surge in demand comes as yields on long-term Japanese debt hover near multi-decade highs, attracting domestic institutional investors like Fukoku Mutual Life Insurance.<\/p>\n<p>The auction&#39;s success reflects a market adjusting to a more hawkish Bank of Japan. Governor Kazuo Ueda recently indicated that underlying inflation is nearing the <strong>2% target<\/strong>, suggesting that the era of ultra-loose monetary policy is firmly in the past. The 20-year JGB yield eased slightly to <strong>3.730%<\/strong> following the robust auction results.<\/p>\n<h2>Commodities and Currency: Gold Under Pressure, LNG in Demand<\/h2>\n<p>The commodities market saw <strong>gold<\/strong> come under renewed pressure, with spot prices sliding to approximately <strong>$4,120 per ounce<\/strong>. The decline is largely attributed to firmer <strong>oil prices<\/strong>, which have heightened inflation concerns. Market participants increasingly expect the Federal Reserve to keep interest rates elevated, raising the opportunity cost for non-yielding assets like gold.<\/p>\n<p>In the energy sector, PetroVietnam Gas (<a href=\"\/stock\/GAS.HM\">GAS<\/a>) issued a tender to procure a spot <strong>LNG cargo of 3.4 million MMBtu<\/strong> for delivery between November 9 and 12. This move highlights tightening regional demand as Southeast Asian nations secure winter energy supplies. Meanwhile, in Taiwan, despite a <strong>2% surge<\/strong> in equity markets, the <strong>New Taiwan Dollar<\/strong> weakened to <strong>32.704 per US dollar<\/strong>, reflecting broader strength in the greenback.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Key Takeaways South Korea&#39;s KOSPI triggered a &quot;sidecar&quot; trading halt after KOSPI 200 futures jumped 5.22%, leading to a five-minute 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