{"id":51262,"date":"2026-07-28T20:54:54","date_gmt":"2026-07-28T20:54:54","guid":{"rendered":"https:\/\/www.vtmarkets.com\/fr-latam\/uncategorized\/la-deroute-du-kospi-met-en-evidence-sa-faible-correlation-avec-le-sp-500-alors-que-la-dispersion-et-la-volatilite-des-valeurs-de-lindice-senvolent\/"},"modified":"2026-07-28T20:54:54","modified_gmt":"2026-07-28T20:54:54","slug":"la-deroute-du-kospi-met-en-evidence-sa-faible-correlation-avec-le-sp-500-alors-que-la-dispersion-et-la-volatilite-des-valeurs-de-lindice-senvolent","status":"publish","type":"post","link":"https:\/\/www.vtmarkets.com\/fr-latam\/live-updates\/la-deroute-du-kospi-met-en-evidence-sa-faible-correlation-avec-le-sp-500-alors-que-la-dispersion-et-la-volatilite-des-valeurs-de-lindice-senvolent\/","title":{"rendered":"La d\u00e9route du Kospi met en \u00e9vidence sa faible corr\u00e9lation avec le S&#038;P 500, alors que la dispersion et la volatilit\u00e9 des valeurs de l\u2019indice s\u2019envolent"},"content":{"rendered":"<p>Le Kospi sud-cor\u00e9en a chut\u00e9 de plus de 10% dans la nuit, SK Hynix reculant de pr\u00e8s de 15% et Samsung Electronics de 13%, alors m\u00eame que les contrats \u00e0 terme sur le Dow Jones Industrial Average progressaient d\u2019environ 1% et que ceux sur le S&#038;P 500 \u00e9taient \u00e0 peu pr\u00e8s inchang\u00e9s. L\u2019article pr\u00e9sente cette divergence comme une histoire de corr\u00e9lation : la volatilit\u00e9 d\u2019un indice est m\u00e9caniquement att\u00e9nu\u00e9e lorsque les variations de ses composantes ne vont pas toutes dans le m\u00eame sens. Mardi, l\u2019indice Cboe S&#038;P 500 Constituent Volatility (VIXEQ) s\u2019\u00e9changeait un peu au-dessus de 50 tandis que l\u2019indice Cboe 3-Month Implied Correlation (COR3M) se situait juste en dessous de 9 ; avec la racine carr\u00e9e de 9% proche de 0,3, ce calcul est utilis\u00e9 pour expliquer un VIX autour de 19.<\/p>\n<h3>Mesures de volatilit\u00e9, de corr\u00e9lation et de dispersion<\/h3>\n<p>La tarification \u00e0 terme traduit de la tension plut\u00f4t que du calme. L\u2019indice de dispersion du S&#038;P 500 de Cboe (DSPX) s\u2019\u00e9tablissait autour de 47, contre une fourchette sur 52 semaines d\u2019environ 26 \u00e0 50, d\u00e9crit comme un plus haut de six ans et au-dessus de son pic d\u2019avril 2025 lorsque le VIX s\u2019\u00e9changeait \u00e0 60. La dispersion r\u00e9alis\u00e9e est pr\u00e9sent\u00e9e comme concentr\u00e9e dans les technologies de l\u2019information, \u00e0 environ 3,85% contre pr\u00e8s de 2,05% ailleurs. Parmi les autres indicateurs cit\u00e9s figurent COR1M en hausse d\u2019environ 37% depuis un niveau proche de 6, un \u00e9cart VIXEQ-VIX d\u2019environ 34 points, et un Cboe SKEW autour de 147. Les mouvements de titres mentionn\u00e9s incluent SpaceX (SPCX) en baisse d\u2019environ 51% par rapport \u00e0 son plus haut post-cotation, Alphabet (GOOGL) en repli de 6%, Tesla (TSLA) en baisse de 13% et Nvidia (NVDA) en retrait de 5%, tandis que les b\u00e9n\u00e9fices du S&#038;P 500 au T2 sont estim\u00e9s en hausse d\u2019environ 26% sur un an ; le prochain point d\u2019attention est la r\u00e9union du FOMC du 29 juillet, avec des probabilit\u00e9s implicites pour septembre proche de 80%.<\/p>\n\n\n\r\n<p class=\"wp-block-paragraph\"><b>Commencez \u00e0 trader d\u00e8s maintenant \u2014 cliquez <a href=\"https:\/\/www.vtmarkets.com\/fr-latam\/trade-now\/\">ici<\/a> pour cr\u00e9er votre compte r\u00e9el VT Markets.<\/b>\n\r\n<\/p>","protected":false},"excerpt":{"rendered":"<p>D\u00e9crochage du Kospi malgr\u00e9 Wall Street stable : la corr\u00e9lation \u00e9crase le VIX. Mais dispersion record (DSPX ~47), tensions sur VIXEQ\/COR, tech sous pression. FOMC du 29 juillet en ligne de mire.<\/p>\n","protected":false},"author":87,"featured_media":49269,"comment_status":"","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[10],"tags":[],"class_list":["post-51262","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-live-updates"],"acf":{"acf_article_selection_author":null},"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO Pro 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"D\u00e9crochage du Kospi malgr\u00e9 Wall Street stable : la corr\u00e9lation \u00e9crase le VIX. Mais dispersion record (DSPX ~47), tensions sur VIXEQ\/COR, tech sous pression. 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Mais dispersion record (DSPX ~47), tensions sur VIXEQ\/COR, tech sous pression. FOMC du 29 juillet en ligne de mire.","og:url":"https:\/\/www.vtmarkets.com\/fr-latam\/live-updates\/la-deroute-du-kospi-met-en-evidence-sa-faible-correlation-avec-le-sp-500-alors-que-la-dispersion-et-la-volatilite-des-valeurs-de-lindice-senvolent\/","article:published_time":"2026-07-28T20:54:54+00:00","article:modified_time":"2026-07-28T20:54:54+00:00","twitter:card":"summary_large_image","twitter:title":"La d\u00e9route du Kospi met en \u00e9vidence sa faible corr\u00e9lation avec le S&amp;P 500, alors que la dispersion et la volatilit\u00e9 des valeurs de l\u2019indice s\u2019envolent - VT Markets","twitter:description":"D\u00e9crochage du Kospi malgr\u00e9 Wall Street stable : la corr\u00e9lation \u00e9crase le VIX. Mais dispersion record (DSPX ~47), tensions sur VIXEQ\/COR, tech sous pression. FOMC du 29 juillet en ligne de mire."},"aioseo_meta_data":{"post_id":"51262","title":null,"description":null,"keywords":null,"keyphrases":null,"canonical_url":null,"og_title":null,"og_description":null,"og_object_type":"default","og_image_type":"default","og_image_custom_url":null,"og_image_custom_fields":null,"og_custom_image_width":null,"og_custom_image_height":null,"og_video":null,"og_custom_url":null,"og_article_section":null,"og_article_tags":null,"twitter_use_og":false,"twitter_card":"default","twitter_image_type":"default","twitter_image_custom_url":null,"twitter_image_custom_fields":null,"twitter_title":null,"twitter_description":null,"schema_type":null,"schema_type_options":null,"pillar_content":false,"robots_default":true,"robots_noindex":false,"robots_noarchive":false,"robots_nosnippet":false,"robots_nofollow":false,"robots_noimageindex":false,"robots_noodp":false,"robots_notranslate":false,"robots_max_snippet":null,"robots_max_videopreview":null,"robots_max_imagepreview":"none","tabs":null,"priority":null,"frequency":null,"local_seo":null,"created":"2026-07-28 20:54:55","updated":"2026-07-28 20:54:55"},"aioseo_breadcrumb":"<div class=\"aioseo-breadcrumbs\"><span class=\"aioseo-breadcrumb\">\n\t<a href=\"https:\/\/www.vtmarkets.com\/fr-latam\" title=\"Home\">Home<\/a>\n<\/span><span class=\"aioseo-breadcrumb-separator\">&raquo;<\/span><span class=\"aioseo-breadcrumb\">\n\t<a href=\"https:\/\/www.vtmarkets.com\/fr-latam\/category\/live-updates\/\" title=\"Live Updates\">Live Updates<\/a>\n<\/span><span class=\"aioseo-breadcrumb-separator\">&raquo;<\/span><span class=\"aioseo-breadcrumb\">\n\tLa d\u00e9route du Kospi met en \u00e9vidence sa faible corr\u00e9lation avec le S&amp;P 500, alors que la dispersion et la volatilit\u00e9 des valeurs de l\u2019indice s\u2019envolent\n<\/span><\/div>","aioseo_breadcrumb_json":[{"label":"Home","link":"https:\/\/www.vtmarkets.com\/fr-latam"},{"label":"Live Updates","link":"https:\/\/www.vtmarkets.com\/fr-latam\/category\/live-updates\/"},{"label":"La d\u00e9route du Kospi met en \u00e9vidence sa faible corr\u00e9lation avec le S&#038;P 500, alors que la dispersion et la volatilit\u00e9 des valeurs de l\u2019indice s\u2019envolent","link":"https:\/\/www.vtmarkets.com\/fr-latam\/live-updates\/la-deroute-du-kospi-met-en-evidence-sa-faible-correlation-avec-le-sp-500-alors-que-la-dispersion-et-la-volatilite-des-valeurs-de-lindice-senvolent\/"}],"_links":{"self":[{"href":"https:\/\/www.vtmarkets.com\/fr-latam\/wp-json\/wp\/v2\/posts\/51262","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vtmarkets.com\/fr-latam\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vtmarkets.com\/fr-latam\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vtmarkets.com\/fr-latam\/wp-json\/wp\/v2\/users\/87"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vtmarkets.com\/fr-latam\/wp-json\/wp\/v2\/comments?post=51262"}],"version-history":[{"count":0,"href":"https:\/\/www.vtmarkets.com\/fr-latam\/wp-json\/wp\/v2\/posts\/51262\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.vtmarkets.com\/fr-latam\/wp-json\/wp\/v2\/media\/49269"}],"wp:attachment":[{"href":"https:\/\/www.vtmarkets.com\/fr-latam\/wp-json\/wp\/v2\/media?parent=51262"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vtmarkets.com\/fr-latam\/wp-json\/wp\/v2\/categories?post=51262"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vtmarkets.com\/fr-latam\/wp-json\/wp\/v2\/tags?post=51262"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}