{"id":52087,"date":"2026-08-13T08:00:42","date_gmt":"2026-08-13T08:00:42","guid":{"rendered":"https:\/\/www.vtmarkets.com\/fr-latam\/uncategorized\/le-sp-500-progresse-laccalmie-de-linflation-attenuant-les-inquietudes-sur-les-taux-de-la-fed\/"},"modified":"2026-08-13T08:00:42","modified_gmt":"2026-08-13T08:00:42","slug":"le-sp-500-progresse-laccalmie-de-linflation-attenuant-les-inquietudes-sur-les-taux-de-la-fed","status":"publish","type":"post","link":"https:\/\/www.vtmarkets.com\/fr-latam\/analysis\/le-sp-500-progresse-laccalmie-de-linflation-attenuant-les-inquietudes-sur-les-taux-de-la-fed\/","title":{"rendered":"Le S&#038;P 500 progresse, l\u2019accalmie de l\u2019inflation att\u00e9nuant les inqui\u00e9tudes sur les taux de la Fed"},"content":{"rendered":"\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/www.vtmarkets.com\/wp-content\/uploads\/2026\/08\/amd2-1024x573.webp\" alt=\"Le S&amp;P 500 progresse : le ralentissement de l\u2019inflation r\u00e9duit les craintes sur les taux de la Fed\" class=\"wp-image-64325\"\/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Points cl\u00e9s :<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Le S&amp;P 500 a progress\u00e9 apr\u00e8s un CPI (indice des prix \u00e0 la consommation, mesure de l\u2019inflation) de juillet globalement conforme aux attentes, ce qui a r\u00e9duit les craintes d\u2019un rel\u00e8vement rapide des taux par la Fed (banque centrale am\u00e9ricaine).<\/li>\n\n\n\n<li>L\u2019inflation aux \u00c9tats-Unis a atteint <strong>3,4% sur un an en juillet<\/strong>, en l\u00e9ger recul par rapport au mois pr\u00e9c\u00e9dent, tandis que le CPI \u00ab core \u00bb (inflation sous-jacente, hors \u00e9nergie et alimentation, plus volatile) s\u2019est \u00e9tabli \u00e0 <strong>2,5% sur un an<\/strong>.<\/li>\n\n\n\n<li>La baisse des anticipations d\u2019une hausse imm\u00e9diate des taux a soutenu l\u2019app\u00e9tit pour le risque (envie d\u2019acheter des actifs plus risqu\u00e9s), avec un appui suppl\u00e9mentaire des valeurs technologiques.<\/li>\n\n\n\n<li>Les op\u00e9rateurs de march\u00e9 surveillent si le ralentissement de l\u2019inflation peut se poursuivre sans d\u00e9grader les anticipations de b\u00e9n\u00e9fices des entreprises (pr\u00e9visions de profits).<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p class=\"wp-block-paragraph\">Le S&amp;P 500 a mont\u00e9, les investisseurs ayant r\u00e9agi \u00e0 des chiffres d\u2019inflation qui ont att\u00e9nu\u00e9 le risque d\u2019une hausse des taux de la R\u00e9serve f\u00e9d\u00e9rale plus t\u00f4t que pr\u00e9vu.<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-rich is-provider-x wp-block-embed-x\"><div class=\"wp-block-embed__wrapper\">\n<blockquote class=\"twitter-tweet\" data-width=\"500\" data-dnt=\"true\"><p lang=\"en\" dir=\"ltr\">The US consumer price index rose by 0.2% which was bang in line with forecasts. Prices rose by 2.5% from a year earlier, matching the slowest pace since March 2021. Energy, gas and grocery prices all fell on the month. This likely eases pressure on the Federal Reserve to raise\u2026 <a href=\"https:\/\/t.co\/7FUTKH1AQH\">pic.twitter.com\/7FUTKH1AQH<\/a><\/p>&mdash; Bloomberg TV (@BloombergTV) <a href=\"https:\/\/x.com\/BloombergTV\/status\/2087539088714817836?ref_src=twsrc%5Etfw\">August 12, 2026<\/a><\/blockquote><script async src=\"https:\/\/platform.x.com\/widgets.js\" charset=\"utf-8\"><\/script>\n<\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">En juillet, le CPI a montr\u00e9 une hausse des prix \u00e0 la consommation de <strong>0,1% sur un mois<\/strong> (variation mensuelle), avec une inflation de <strong>3,4% sur un an<\/strong> (variation sur 12 mois). Le CPI \u00ab core \u00bb (inflation sous-jacente, hors \u00e9nergie et alimentation) a augment\u00e9 de <strong>0,2% sur un mois<\/strong> et de <strong>2,5% sur un an<\/strong>. Des chiffres proches du consensus (pr\u00e9visions moyennes du march\u00e9) ont amen\u00e9 les march\u00e9s \u00e0 r\u00e9\u00e9valuer la probabilit\u00e9 d\u2019un nouveau durcissement de la politique mon\u00e9taire (taux plus \u00e9lev\u00e9s et conditions de cr\u00e9dit plus strictes).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ce mouvement a soutenu les actions am\u00e9ricaines, le S&amp;P 500 profitant d\u2019une perspective de taux plus favorable.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Pourquoi les op\u00e9rateurs surveillent le S&amp;P 500<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">La r\u00e9action rappelle \u00e0 quel point les march\u00e9s d\u2019actions restent sensibles aux tendances de l\u2019inflation et aux anticipations sur la Fed.<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-rich is-provider-x wp-block-embed-x\"><div class=\"wp-block-embed__wrapper\">\n<blockquote class=\"twitter-tweet\" data-width=\"500\" data-dnt=\"true\"><p lang=\"en\" dir=\"ltr\">The S&amp;P 500 and the Nasdaq ended higher, lifted by upbeat quarterly results from CoreWeave and other AI infrastructure firms, while mild inflation data reinforced bets that the Federal Reserve will hold interest rates steady in September <a href=\"https:\/\/t.co\/LRAV2orJa4\">https:\/\/t.co\/LRAV2orJa4<\/a> <a href=\"https:\/\/t.co\/0sBufKY3Lu\">pic.twitter.com\/0sBufKY3Lu<\/a><\/p>&mdash; Reuters (@Reuters) <a href=\"https:\/\/x.com\/Reuters\/status\/2087685562929230257?ref_src=twsrc%5Etfw\">August 12, 2026<\/a><\/blockquote><script async src=\"https:\/\/platform.x.com\/widgets.js\" charset=\"utf-8\"><\/script>\n<\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Apr\u00e8s la publication du CPI, le march\u00e9 a r\u00e9duit ses attentes de nouveau durcissement de la Fed, ce qui a soutenu les actions, tandis que les rendements des Treasuries (obligations d\u2019\u00c9tat am\u00e9ricaines) reculaient.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Au-del\u00e0 de la politique mon\u00e9taire, l\u2019attention se porte sur les r\u00e9sultats d\u2019entreprises (profits publi\u00e9s) et sur la technologie. Les soci\u00e9t\u00e9s li\u00e9es \u00e0 l\u2019IA (intelligence artificielle) restent un moteur important du sentiment, et les gains r\u00e9cents du secteur ont aid\u00e9 l\u2019indice.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Le S&amp;P 500 est suivi comme une r\u00e9f\u00e9rence (indice de comparaison) des actions am\u00e9ricaines, influenc\u00e9 par les taux, les attentes de b\u00e9n\u00e9fices et l\u2019app\u00e9tit pour le risque.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Niveaux de prix \u00e0 surveiller<\/h2>\n\n\n\n<!-- TradingView Widget BEGIN --><div class=\"tradingview-widget-container\">  <div class=\"tradingview-widget-container__widget\"><\/div>  <div class=\"tradingview-widget-copyright\"><a href=\"https:\/\/www.tradingview.com\/symbols\/VANTAGE-SP500\/\" rel=\"noopener nofollow\" target=\"_blank\"><span class=\"blue-text\">SP500 chart<\/span><\/a><span class=\"trademark\"> by TradingView<\/span><\/div>  <script type=\"text\/javascript\" src=\"https:\/\/s3.tradingview.com\/external-embedding\/embed-widget-advanced-chart.js\" async>  {  \"allow_symbol_change\": true,  \"calendar\": false,  \"details\": false,  \"hide_side_toolbar\": true,  \"hide_top_toolbar\": false,  \"hide_legend\": false,  \"hide_volume\": false,  \"hotlist\": false,  \"interval\": \"D\",  \"locale\": \"en\",  \"save_image\": true,  \"style\": \"1\",  \"symbol\": \"VANTAGE:SP500\",  \"theme\": \"dark\",  \"timezone\": \"Etc\/UTC\",  \"backgroundColor\": \"#0F0F0F\",  \"gridColor\": \"rgba(242, 242, 242, 0.2)\",  \"watchlist\": [],  \"withdateranges\": false,  \"compareSymbols\": [],  \"studies\": [],  \"width\": 900,  \"height\": 500}  <\/script><\/div><!-- TradingView Widget END -->\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>Niveau de prix<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>Ce que le march\u00e9 surveille<\/strong><\/td><\/tr><tr><td>7,760<\/td><td>R\u00e9sistance imm\u00e9diate pr\u00e8s du r\u00e9cent plus haut en s\u00e9ance (plus haut intrajournalier)<\/td><\/tr><tr><td>7,758<\/td><td>Zone de r\u00e9sistance \u00e0 court terme apr\u00e8s le rebond<\/td><\/tr><tr><td>7,755<\/td><td>Zone actuelle d\u2019\u00e9changes et rep\u00e8re de court terme<\/td><\/tr><tr><td>7,752<\/td><td>Premier support si la dynamique (force du mouvement) faiblit<\/td><\/tr><tr><td>7,750<\/td><td>Zone de support cl\u00e9 sous la phase de consolidation (march\u00e9 qui \u00e9volue dans une fourchette)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Le SP500 \u00e9volue autour de la zone <strong>7,755\u20137,757<\/strong> apr\u00e8s un rebond depuis les plus bas de s\u00e9ance proches de <strong>7,752<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Un d\u00e9passement de <strong>7,760<\/strong> pourrait renforcer la dynamique \u00e0 court terme et relancer la hausse.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u00c0 la baisse, une cassure sous <strong>7,752<\/strong> pourrait signaler un retour de la pression vendeuse, avec la zone de <strong>support 7,750<\/strong> comme prochain seuil \u00e0 suivre.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Sc\u00e9narios haussiers et baissiers<\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/www.vtmarkets.com\/wp-content\/uploads\/2026\/08\/sp500138-1024x473.webp\" alt=\"Le S&amp;P 500 progresse : le ralentissement de l\u2019inflation r\u00e9duit les craintes sur les taux de la Fed\" class=\"wp-image-65014\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>Sc\u00e9nario<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>D\u00e9clencheur<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>R\u00e9action possible du march\u00e9<\/strong><\/td><\/tr><tr><td>Poursuite du rebond<\/td><td>Tenir au-dessus de 7,755<\/td><td>Le SP500 pourrait retester la zone de r\u00e9sistance 7,758\u20137,760<\/td><\/tr><tr><td>Acc\u00e9l\u00e9ration haussi\u00e8re (cassure)<\/td><td>Franchir 7,760<\/td><td>La dynamique pourrait s\u2019acc\u00e9l\u00e9rer vers des niveaux plus \u00e9lev\u00e9s<\/td><\/tr><tr><td>Consolidation en range (\u00e9volution en fourchette)<\/td><td>Rester entre 7,752 et 7,760<\/td><td>L\u2019indice pourrait rester dans une fourchette, le temps d\u2019une clarification de la tendance<\/td><\/tr><tr><td>Repli baissier<\/td><td>Passer sous 7,752<\/td><td>La pression vendeuse pourrait augmenter en direction de 7,750<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Le sc\u00e9nario haussier repose sur un maintien au-dessus de <strong>7,755<\/strong> et un franchissement de la <strong>r\u00e9sistance \u00e0 7,760<\/strong>. Un maintien durable au-dessus de ce seuil pourrait confirmer une force \u00e0 court terme.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Le sc\u00e9nario baissier gagne en cr\u00e9dibilit\u00e9 si le SP500 passe sous <strong>7,752<\/strong>, signe possible d\u2019un essoufflement et d\u2019un risque accru de poursuite du repli.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><em>Avertissement<\/em><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><em>Les niveaux de prix et sc\u00e9narios ci-dessus refl\u00e8tent l\u2019analyse de l\u2019auteur au moment de la r\u00e9daction et ne constituent pas un conseil financier ni une recommandation officielle de VT Markets. Chaque trader doit faire sa propre analyse et g\u00e9rer son risque.<\/em><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Trader le SP500 via des CFD avec VT Markets<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Le S&amp;P 500 reste au centre de l\u2019attention, alors que les valeurs technologiques, les statistiques \u00e9conomiques et les anticipations sur la Fed continuent d\u2019orienter le sentiment de march\u00e9.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Avec VT Markets, vous pouvez trader le SP500 et d\u2019autres CFD sur indices (contrats sur diff\u00e9rence : un produit permettant de sp\u00e9culer sur la hausse ou la baisse sans d\u00e9tenir l\u2019actif), ainsi que le forex (march\u00e9 des devises), l\u2019or, le p\u00e9trole, des CFD sur actions et des CFD sur ETF (fonds cot\u00e9s en Bourse), depuis une seule plateforme.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Les outils graphiques de VT Markets permettent de suivre supports et r\u00e9sistances (zones o\u00f9 les prix ont tendance \u00e0 rebondir ou \u00e0 buter), moyennes mobiles (lissage de la tendance) et cassures (passage net d\u2019un seuil) au fur et \u00e0 mesure que le prochain sc\u00e9nario se dessine.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Commencez \u00e0 trader les <a href=\"https:\/\/www.vtmarkets.com\/indices\/\" target=\"_blank\" rel=\"noopener\" title=\"\">indices<\/a> sur <a href=\"https:\/\/www.vtmarkets.com\/trade-now\/\" target=\"_blank\" rel=\"noopener\" title=\"\">VT Markets<\/a> d\u00e8s aujourd\u2019hui.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Pourquoi trader le SP500 sous forme de CFD ?<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Les CFD sur SP500 permettent de s\u2019exposer aux variations de l\u2019indice S&amp;P 500 sans d\u00e9tenir l\u2019indice ni les actions qui le composent.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Cette souplesse permet de r\u00e9agir aux r\u00e9sultats des entreprises, aux attentes sur la politique de la Fed, aux rendements des Treasuries (taux des obligations d\u2019\u00c9tat am\u00e9ricaines) et au sentiment g\u00e9n\u00e9ral sur les actions.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Chez VT Markets, il est possible de suivre le SP500 en parall\u00e8le d\u2019autres grands march\u00e9s de CFD depuis un seul compte.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Le trading de CFD comporte des risques, et l\u2019effet de levier (utiliser un financement pour prendre une position plus grande que son capital) peut amplifier \u00e0 la fois les gains et les pertes.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u00c0 surveiller ensuite<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Le prochain mouvement du S&amp;P 500 d\u00e9pendra des prochaines statistiques et de la fa\u00e7on dont le march\u00e9 r\u00e9\u00e9value la trajectoire de la politique de la Fed.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Facteurs cl\u00e9s :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Donn\u00e9es PPI aux \u00c9tats-Unis :<\/strong> l\u2019indice des prix \u00e0 la production (prix pay\u00e9s par les entreprises), autre indicateur d\u2019inflation susceptible d\u2019influencer les anticipations sur la Fed.<\/li>\n\n\n\n<li><strong>D\u00e9clarations de la Fed :<\/strong> tout changement de ton des d\u00e9cideurs sur les prochaines d\u00e9cisions de taux.<\/li>\n\n\n\n<li><strong>Rendements des Treasuries :<\/strong> \u00e9volution des taux obligataires \u00e0 mesure que les anticipations de taux directeurs changent.<\/li>\n\n\n\n<li><strong>R\u00e9sultats d\u2019entreprises :<\/strong> publications des grands groupes, surtout dans la technologie et l\u2019IA.<\/li>\n\n\n\n<li><strong>Sentiment de risque :<\/strong> r\u00e9actions aux perspectives de croissance et aux tensions g\u00e9opolitiques.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">D\u2019un point de vue technique, le march\u00e9 surveille une \u00e9ventuelle cassure au-dessus de <strong>7,760<\/strong>, tandis que <strong>7,752<\/strong> reste le support de court terme en cas de retour de la pression baissi\u00e8re.<\/p>\n\n\n\n<details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary><strong>Questions fr\u00e9quentes<\/strong><\/summary>\n<h3 class=\"wp-block-heading\">Pourquoi le S&amp;P 500 a-t-il mont\u00e9 apr\u00e8s le dernier CPI ?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Le S&amp;P 500 a progress\u00e9 car les chiffres d\u2019inflation ont r\u00e9duit la crainte d\u2019une hausse des taux de la Fed plus rapide que pr\u00e9vu.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Comment l\u2019inflation influence-t-elle le S&amp;P 500 ?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">L\u2019inflation influence les attentes de taux d\u2019int\u00e9r\u00eat, ce qui peut peser sur la valorisation des entreprises (prix pay\u00e9 pour leurs profits), le co\u00fbt d\u2019emprunt et le moral des investisseurs.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">La Fed est-elle cens\u00e9e bouger ses taux imm\u00e9diatement ?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Apr\u00e8s le CPI, le march\u00e9 a vu moins d\u2019urgence \u00e0 un nouveau durcissement, mais les d\u00e9cisions futures d\u00e9pendront des prochaines donn\u00e9es.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Pourquoi les actions technologiques comptent-elles autant pour le S&amp;P 500 ?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Les soci\u00e9t\u00e9s technologiques p\u00e8sent lourd dans l\u2019indice (forte part dans son calcul), et leurs perspectives de profits peuvent entra\u00eener l\u2019ensemble du march\u00e9.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Que surveiller ensuite sur le S&amp;P 500 ?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Les op\u00e9rateurs regardent les indicateurs d\u2019inflation, les d\u00e9clarations de la Fed, les rendements des obligations am\u00e9ricaines et les r\u00e9sultats d\u2019entreprises pour se faire une id\u00e9e de la suite.<\/p>\n<\/details>\n\n\n\n\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\n<\/p>","protected":false},"excerpt":{"rendered":"<p>CPI de juillet conforme, inflation en reflux (3,4% a\/a; core 2,5%) : Wall Street respire. Le S&#038;P 500 rebondit, Treasuries d\u00e9tendent, tech en soutien, march\u00e9 guettant 7,760, risque sous 7,752.<\/p>\n","protected":false},"author":87,"featured_media":52086,"comment_status":"","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[14],"tags":[],"class_list":["post-52087","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-analysis"],"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=\"CPI de juillet conforme, inflation en reflux (3,4% a\/a; core 2,5%) : Wall Street respire. 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