{"id":52881,"date":"2026-09-01T11:39:15","date_gmt":"2026-09-01T11:39:15","guid":{"rendered":"https:\/\/www.vtmarkets.com\/fr-latam\/uncategorized\/lindice-du-dollar-americain-rebondit-au-dessus-de-9950-la-fermete-de-warsh-linflation-liee-au-petrole-et-les-tensions-avec-liran-alimentant-les-anticipations\/"},"modified":"2026-09-01T11:39:15","modified_gmt":"2026-09-01T11:39:15","slug":"lindice-du-dollar-americain-rebondit-au-dessus-de-9950-la-fermete-de-warsh-linflation-liee-au-petrole-et-les-tensions-avec-liran-alimentant-les-anticipations","status":"publish","type":"post","link":"https:\/\/www.vtmarkets.com\/fr-latam\/live-updates\/lindice-du-dollar-americain-rebondit-au-dessus-de-9950-la-fermete-de-warsh-linflation-liee-au-petrole-et-les-tensions-avec-liran-alimentant-les-anticipations\/","title":{"rendered":"L\u2019indice du dollar am\u00e9ricain rebondit au-dessus de 99,50, la fermet\u00e9 de Warsh, l\u2019inflation li\u00e9e au p\u00e9trole et les tensions avec l\u2019Iran alimentant les anticipations"},"content":{"rendered":"<p>L\u2019indice du dollar am\u00e9ricain (DXY) est repass\u00e9 en territoire positif mardi, remontant au-dessus de la zone des 99,00 en d\u00e9but de s\u00e9ance europ\u00e9enne apr\u00e8s avoir effac\u00e9 une partie du repli de lundi depuis un plus haut de plus de deux semaines. Les anticipations d\u2019une hausse de taux en septembre se sont raffermies, port\u00e9es par des propos restrictifs du pr\u00e9sident de la Fed, Kevin Warsh, et par le risque inflationniste li\u00e9 \u00e0 la hausse des prix de l\u2019\u00e9nergie, tandis que l\u2019escalade des tensions entre les \u00c9tats-Unis et l\u2019Iran a apport\u00e9 un soutien suppl\u00e9mentaire au bilat \u00ab valeur refuge \u00bb.<\/p>\n<p>Les signaux techniques sont mitig\u00e9s : le MACD est repass\u00e9 l\u00e9g\u00e8rement en positif et le RSI \u00e9volue autour du niveau neutre de 50, ce qui renvoie davantage \u00e0 une stabilisation qu\u2019\u00e0 un mouvement haussier nettement \u00e9tabli. Les r\u00e9sistances se concentrent entre 99,70 et 99,75, zone o\u00f9 la moyenne mobile simple \u00e0 100 jours co\u00efncide avec le retracement de Fibonacci de 38,2 % de la baisse juillet-ao\u00fbt ; d\u2019autres obstacles se situent \u00e0 100,07 et 100,44, avant des plafonds Fibonacci plus \u00e9lev\u00e9s \u00e0 100,95 et 101,61. Un premier support est identifi\u00e9 \u00e0 99,26, suivi d\u2019un plancher plus profond pr\u00e8s du point bas du cycle \u00e0 98,54.<\/p>\n<h3>Perspectives du dollar et facteurs cl\u00e9s \u00e0 l\u2019approche de septembre<\/h3>\n<p>\u00c0 l\u2019entr\u00e9e de septembre 2026, nous recommandons aux traders de produits d\u00e9riv\u00e9s de se pr\u00e9parer \u00e0 une possible sortie par le haut de l\u2019indice du dollar (DXY), alors qu\u2019il repasse au-dessus de 99,50. L\u2019indice gagne du terrain gr\u00e2ce aux signaux restrictifs de rel\u00e8vement des taux \u00e9mis par le pr\u00e9sident de la Fed, Kevin Warsh, et \u00e0 la hausse de la demande de valeurs refuges li\u00e9e \u00e0 l\u2019aggravation des tensions entre les \u00c9tats-Unis et l\u2019Iran. Ce changement de r\u00e9gime plaide pour une orientation plus haussi\u00e8re sur le dollar dans les portefeuilles d\u2019options au cours des prochaines semaines.<\/p>\n<p>Notre biais haussier est confort\u00e9 par la progression des co\u00fbts \u00e9nerg\u00e9tiques, le Brent ayant r\u00e9cemment franchi 85 dollars le baril, un niveau qui, historiquement, entretient l\u2019inflation et contraint les banques centrales \u00e0 rester restrictives. Par ailleurs, les contrats \u00e0 terme sur les fed funds indiquent d\u00e9sormais une probabilit\u00e9 de 64 % d\u2019une hausse de taux lors de la prochaine r\u00e9union de septembre, en nette hausse par rapport \u00e0 35 % il y a un mois. Les donn\u00e9es historiques vont \u00e9galement dans ce sens : le dollar a cl\u00f4tur\u00e9 en hausse en septembre huit fois sur les dix derni\u00e8res ann\u00e9es, avec un gain moyen de 1,2 % sur le mois.<\/p>\n<h3>Recommandations de strat\u00e9gie options sur le DXY<\/h3>\n<p>Pour les traders d\u2019options, nous recommandons d\u2019acheter des calls proches du cours (near-the-money) ou de mettre en place des bull call spreads, mais uniquement apr\u00e8s une cl\u00f4ture journali\u00e8re du DXY au-dessus de la zone de r\u00e9sistance majeure situ\u00e9e entre 99,70 et 99,75. Cette barri\u00e8re cl\u00e9 s\u2019aligne avec la moyenne mobile simple \u00e0 100 jours et un niveau important de retracement de Fibonacci. Une cassure franche de cette zone devrait probablement d\u00e9clencher une progression rapide vers les prochains objectifs situ\u00e9s \u00e0 100,07 et 100,44.<\/p>\n<p>Si l\u2019indice \u00e9choue \u00e0 franchir cette r\u00e9sistance dans les prochains jours, nous pourrons basculer vers des ventes de put spreads juste au-dessus du support robuste \u00e0 99,26. Le point bas du cycle, proche de 98,54, doit constituer notre niveau de sortie absolu pour toute structure haussi\u00e8re. Maintenir des tailles de position modestes aidera \u00e0 absorber les fortes oscillations de prix attendues sous l\u2019effet des d\u00e9veloppements g\u00e9opolitiques et des prochaines statistiques li\u00e9es \u00e0 l\u2019\u00e9nergie.<\/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>Retour en force du DXY : au-dessus de 99, dop\u00e9 par Fed plus restrictive, p\u00e9trole cher et tensions USA-Iran. Technique h\u00e9sitante, seuil cl\u00e9 99,70-99,75. Options : calls\/spreads apr\u00e8s cassure, sinon put spreads.<\/p>\n","protected":false},"author":87,"featured_media":49261,"comment_status":"","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[10],"tags":[],"class_list":["post-52881","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=\"Retour en force du DXY : au-dessus de 99, dop\u00e9 par Fed plus restrictive, p\u00e9trole cher et tensions USA-Iran. Technique h\u00e9sitante, seuil cl\u00e9 99,70-99,75. 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