{"id":53424,"date":"2026-09-01T12:22:17","date_gmt":"2026-09-01T12:22:17","guid":{"rendered":"https:\/\/www.vtmarkets.com\/fr-eu\/uncategorized\/lindice-du-dollar-americain-rebondit-au-dessus-de-9950-la-fermete-de-warsh-linflation-liee-au-petrole-et-les-tensions-avec-liran-renforcant-les-paris\/"},"modified":"2026-09-01T12:22:17","modified_gmt":"2026-09-01T12:22:17","slug":"lindice-du-dollar-americain-rebondit-au-dessus-de-9950-la-fermete-de-warsh-linflation-liee-au-petrole-et-les-tensions-avec-liran-renforcant-les-paris","status":"publish","type":"post","link":"https:\/\/www.vtmarkets.com\/fr-eu\/live-updates\/lindice-du-dollar-americain-rebondit-au-dessus-de-9950-la-fermete-de-warsh-linflation-liee-au-petrole-et-les-tensions-avec-liran-renforcant-les-paris\/","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 renfor\u00e7ant les paris"},"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 d\u2019\u00e9changes europ\u00e9ens apr\u00e8s avoir effac\u00e9 une partie du repli de lundi depuis un sommet de plus de deux semaines. Les anticipations d\u2019une hausse de taux en septembre se sont raffermies \u00e0 la suite de commentaires restrictifs du pr\u00e9sident de la Fed, Kevin Warsh, et des risques inflationnistes li\u00e9s \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 billet vert, valeur refuge.<\/p>\n<p>Les signaux techniques restaient mitig\u00e9s : le MACD est repass\u00e9 l\u00e9g\u00e8rement positif et le RSI \u00e9voluait autour du niveau neutre de 50, indiquant davantage une stabilisation qu\u2019une tendance haussi\u00e8re nette. Les r\u00e9sistances se concentrent entre 99,70 et 99,75, o\u00f9 la moyenne mobile simple \u00e0 100 jours (SMA) 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 appara\u00eet \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 de march\u00e9 \u00e0 l\u2019approche de septembre<\/h3>\n<p>\u00c0 l\u2019approche de septembre 2026, nous recommandons aux traders de produits d\u00e9riv\u00e9s de se pr\u00e9parer \u00e0 une possible cassure de l\u2019indice du dollar (DXY) alors qu\u2019il repasse au-dessus de 99,50. L\u2019indice gagne en traction gr\u00e2ce \u00e0 des signaux restrictifs de hausse des taux en provenance du pr\u00e9sident de la Fed, Kevin Warsh, et \u00e0 la hausse de la demande de valeurs refuges dans un contexte d\u2019escalade des tensions entre les \u00c9tats-Unis et l\u2019Iran. Ce changement d\u2019environnement plaide pour privil\u00e9gier des strat\u00e9gies haussi\u00e8res sur le dollar dans nos portefeuilles d\u2019options au cours des prochaines semaines.<\/p>\n<p>Notre biais haussier est \u00e9tay\u00e9 par la progression des co\u00fbts de l\u2019\u00e9nergie, le Brent ayant r\u00e9cemment d\u00e9pass\u00e9 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 forte 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\u00e9gies options sur le DXY<\/h3>\n<p>Pour les intervenants sur options, nous recommandons d\u2019acheter des options d\u2019achat (calls) proches du prix d\u2019exercice (near-the-money) ou de mettre en place des spreads haussiers (bull call spreads), mais uniquement apr\u00e8s que le DXY aura valid\u00e9 une cl\u00f4ture journali\u00e8re au-dessus de la zone de r\u00e9sistance majeure comprise entre 99,70 et 99,75. Cette barri\u00e8re cl\u00e9 s\u2019aligne avec la moyenne mobile simple \u00e0 100 jours et un niveau de retracement de Fibonacci important. Une cassure franche \u00e0 ce stade devrait d\u00e9clencher une progression rapide vers les objectifs suivants situ\u00e9s \u00e0 100,07 et 100,44.<\/p>\n<p>Si l\u2019indice ne parvient pas \u00e0 franchir cette r\u00e9sistance dans les prochains jours, nous pourrons nous repositionner en vendant des spreads de puts juste au-dessus du support solide \u00e0 99,26. Le point bas du cycle, proche de 98,54, doit constituer notre niveau d\u2019invalidation absolu pour toute structure haussi\u00e8re. Des tailles de position modestes aideront \u00e0 traverser les fortes variations de prix attendues, aliment\u00e9es par les d\u00e9veloppements g\u00e9opolitiques et les prochaines statistiques li\u00e9es \u00e0 l\u2019\u00e9nergie.<\/p>\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-eu\/trade-now\/\">ici<\/a> pour cr\u00e9er votre compte r\u00e9el VT Markets.<\/b>\n\n<\/p>","protected":false},"excerpt":{"rendered":"<p>Le DXY rebondit au-dessus de 99, port\u00e9 par la Fed restrictive, le p\u00e9trole cher et les tensions USA-Iran. Technique h\u00e9sitante: r\u00e9sistance 99,70-99,75 \u00e0 casser. Strat\u00e9gie: calls\/spreads haussiers apr\u00e8s cassure.<\/p>\n","protected":false},"author":87,"featured_media":49614,"comment_status":"","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[24],"tags":[],"class_list":["post-53424","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 DXY rebondit au-dessus de 99, port\u00e9 par la Fed restrictive, le p\u00e9trole cher et les tensions USA-Iran. Technique h\u00e9sitante: r\u00e9sistance 99,70-99,75 \u00e0 casser. 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