{"id":69625,"date":"2026-10-13T04:36:39","date_gmt":"2026-10-13T04:36:39","guid":{"rendered":"https:\/\/www.vtmarkets.com\/fr-ca\/uncategorized\/sp-500-bull-market-nears-year-five-as-ai-led-rally-tests-breadth-and-valuations\/"},"modified":"2026-10-13T04:36:39","modified_gmt":"2026-10-13T04:36:39","slug":"sp-500-bull-market-nears-year-five-as-ai-led-rally-tests-breadth-and-valuations","status":"publish","type":"post","link":"https:\/\/www.vtmarkets.com\/fr-ca\/live-updates\/sp-500-bull-market-nears-year-five-as-ai-led-rally-tests-breadth-and-valuations\/","title":{"rendered":"Le march\u00e9 haussier du S&#038;P 500 approche sa cinqui\u00e8me ann\u00e9e, alors que la remont\u00e9e men\u00e9e par l\u2019IA met \u00e0 l\u2019\u00e9preuve l\u2019ampleur du rallye et les valorisations"},"content":{"rendered":"<p>Quatre ans apr\u00e8s le d\u00e9but de sa progression, le S&#038;P 500 a grimp\u00e9 de 117 %, se classant comme le troisi\u00e8me march\u00e9 haussier le plus long et le troisi\u00e8me plus important depuis 1947. Des donn\u00e9es de CFRA indiquent que si la tendance haussi\u00e8re se prolonge dans une cinqui\u00e8me ann\u00e9e, le gain moyen de l\u2019indice est de 21 %, ce qui soul\u00e8ve la possibilit\u00e9 d\u2019un \u00e9largissement de la hausse au-del\u00e0 des grandes valeurs technologiques. Le cycle actuel a d\u00e9jou\u00e9 le sch\u00e9ma habituel selon lequel les march\u00e9s haussiers commencent lorsque la Fed assouplit sa politique et que la liquidit\u00e9 se d\u00e9place vers les actifs risqu\u00e9s.<\/p>\n\n<p>En 2022, la R\u00e9serve f\u00e9d\u00e9rale a amorc\u00e9 son cycle de hausses de taux le plus agressif en 40 ans, et pourtant le S&#038;P 500 s\u2019est tout de m\u00eame redress\u00e9, port\u00e9 par un boom de l\u2019IA qui a ajout\u00e9 40 000 milliards de dollars \u00e0 la capitalisation boursi\u00e8re. Nvidia a bondi de 1 900 % et sa valeur boursi\u00e8re approche 6 000 milliards de dollars, tandis qu\u2019une \u00e9tude de Brookings estime que les groupes technologiques auraient besoin de 3 500 milliards de dollars de profits d\u2019ici 2027 pour justifier les d\u00e9penses li\u00e9es \u00e0 l\u2019IA. La largeur du march\u00e9 demeure limit\u00e9e : l\u2019\u00e9cart de rendement entre l\u2019indice standard et les versions \u00e0 pond\u00e9ration \u00e9gale a d\u00e9pass\u00e9 50 points de pourcentage, seulement un tiers des titres se situent au-dessus de leurs moyennes mobiles \u00e0 50 jours contre 70 % \u00e0 la mi-ao\u00fbt, et environ la moiti\u00e9 des composantes du Russell 2000 affichent une baisse d\u2019au moins 20 % par rapport \u00e0 leurs sommets sur 52 semaines.<\/p>\n\n<h3>\u00c9quilibrer le potentiel du march\u00e9 haussier et les risques de concentration<\/h3>\n\n<p>Pour franchir ce jalon de quatre ans du march\u00e9 haussier, il faut soigneusement \u00e9quilibrer le potentiel de hausse et des risques de concentration \u00e9lev\u00e9s. Depuis 1947, les donn\u00e9es historiques de CFRA montrent que lorsqu\u2019un march\u00e9 haussier se rend jusqu\u2019\u00e0 une cinqui\u00e8me ann\u00e9e, le S&#038;P 500 affiche un gain moyen de 21 %. Nous pouvons capter cette prolongation potentielle au-del\u00e0 des m\u00e9ga-capitalisations technologiques en utilisant des options d\u2019achat (calls) sur des secteurs cycliques plus larges qui ont accus\u00e9 un retard par rapport \u00e0 l\u2019indice principal.<\/p>\n\n<p>Cependant, la largeur du march\u00e9 se d\u00e9t\u00e9riore rapidement : seulement un tiers des composantes de l\u2019indice se transigent actuellement au-dessus de leurs moyennes mobiles \u00e0 50 jours, contre 70 % plus t\u00f4t cet \u00e9t\u00e9. L\u2019\u00e9cart de performance entre les indices pond\u00e9r\u00e9s selon la capitalisation boursi\u00e8re et ceux \u00e0 pond\u00e9ration \u00e9gale s\u2019est \u00e9largi au-del\u00e0 de 50 points de pourcentage, cr\u00e9ant une d\u00e9pendance dangereuse \u00e0 l\u2019\u00e9gard d\u2019une poign\u00e9e de g\u00e9ants technologiques. Pour prot\u00e9ger nos portefeuilles contre un d\u00e9nouement soudain des transactions surpeupl\u00e9es dans les m\u00e9ga-caps, nous devrions envisager d\u2019acheter des options de vente (puts) de protection ou de mettre en place des colliers \u00e0 co\u00fbt nul (zero-cost collars) sur une exposition large aux indices technologiques.<\/p>\n\n<h3>Valorisations de l\u2019IA, volatilit\u00e9 des b\u00e9n\u00e9fices et vuln\u00e9rabilit\u00e9s des petites capitalisations<\/h3>\n\n<p>Le r\u00e9cit entourant l\u2019intelligence artificielle fait aussi l\u2019objet d\u2019un s\u00e9rieux test de r\u00e9alit\u00e9 \u00e0 l\u2019approche des prochaines saisons de r\u00e9sultats. Des recherches indiquent que les entreprises technologiques doivent g\u00e9n\u00e9rer des milliers de milliards de dollars de profits au cours des prochaines ann\u00e9es pour justifier leurs valorisations actuelles, ce qui rend la volatilit\u00e9 implicite des options exceptionnellement sous-\u00e9valu\u00e9e. Nous pouvons nous positionner pour des surprises de r\u00e9sultats \u00e0 issue binaire dans les titres de fabricants de puces en forte hausse en ayant recours \u00e0 des strat\u00e9gies de strangle acheteur afin de profiter de mouvements marqu\u00e9s dans un sens comme dans l\u2019autre.<\/p>\n\n<p>Parall\u00e8lement, les pressions de la politique mon\u00e9taire continuent de peser lourdement sur les petites entreprises d\u00e9pendantes de l\u2019endettement. Avec la moiti\u00e9 des composantes de l\u2019indice des petites capitalisations qui v\u00e9g\u00e8tent \u00e0 20 % ou plus sous leurs sommets sur 52 semaines, les petites soci\u00e9t\u00e9s demeurent particuli\u00e8rement vuln\u00e9rables \u00e0 des taux \u00e9lev\u00e9s persistants. Les op\u00e9rateurs de produits d\u00e9riv\u00e9s devraient envisager de vendre \u00e0 d\u00e9couvert des contrats \u00e0 terme sur indices de petites capitalisations ou d\u2019acheter des options de vente (puts) sur des indices de r\u00e9f\u00e9rence de petites capitalisations, comme couverture macro\u00e9conomique contre le resserrement des conditions de cr\u00e9dit au cours des prochaines semaines.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><b>Commencez \u00e0 n\u00e9gocier d\u00e8s maintenant \u2014 cliquez <a href=\"https:\/\/www.vtmarkets.com\/fr-ca\/trade-now\/\">ici<\/a> pour cr\u00e9er votre compte r\u00e9el VT Markets.<\/b>\n\n<\/p>","protected":false},"excerpt":{"rendered":"<p>Le S&#038;P 500 f\u00eate 4 ans de march\u00e9 haussier (+117 %), dop\u00e9 par l\u2019IA, mais la hausse reste ultra concentr\u00e9e. Une 5e ann\u00e9e viserait +21 %, avec options pour se couvrir.<\/p>\n","protected":false},"author":87,"featured_media":69624,"comment_status":"","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[24],"tags":[],"class_list":["post-69625","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 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"Le S&amp;P 500 f\u00eate 4 ans de march\u00e9 haussier (+117 %), dop\u00e9 par l\u2019IA, mais la hausse reste ultra concentr\u00e9e. 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