{"id":68760,"date":"2026-09-23T10:18:33","date_gmt":"2026-09-23T10:18:33","guid":{"rendered":"https:\/\/www.vtmarkets.com\/fr-eu\/uncategorized\/lindice-du-dollar-se-stabilise-apres-un-pic-alors-que-les-perspectives-de-la-fed-et-les-tensions-avec-liran-incitent-les-operateurs-a-la-prudence\/"},"modified":"2026-09-23T10:18:33","modified_gmt":"2026-09-23T10:18:33","slug":"lindice-du-dollar-se-stabilise-apres-un-pic-alors-que-les-perspectives-de-la-fed-et-les-tensions-avec-liran-incitent-les-operateurs-a-la-prudence","status":"publish","type":"post","link":"https:\/\/www.vtmarkets.com\/fr-eu\/live-updates\/lindice-du-dollar-se-stabilise-apres-un-pic-alors-que-les-perspectives-de-la-fed-et-les-tensions-avec-liran-incitent-les-operateurs-a-la-prudence\/","title":{"rendered":"L\u2019indice du dollar se stabilise apr\u00e8s un pic, alors que les perspectives de la Fed et les tensions avec l\u2019Iran incitent les op\u00e9rateurs \u00e0 la prudence"},"content":{"rendered":"<p>L\u2019indice du dollar am\u00e9ricain (DXY) s\u2019est l\u00e9g\u00e8rement d\u00e9tendu apr\u00e8s avoir touch\u00e9 son plus haut niveau depuis le 30 juillet, mais les \u00e9changes sont rest\u00e9s atones et l\u2019indicateur a \u00e9volu\u00e9 juste sous la zone des 100,00, globalement inchang\u00e9 sur la s\u00e9ance. La R\u00e9serve f\u00e9d\u00e9rale a relev\u00e9 ses taux la semaine derni\u00e8re pour la premi\u00e8re fois depuis plus de trois ans, et son \u00ab dot plot \u00bb a signal\u00e9 une hausse suppl\u00e9mentaire d\u2019ici la fin de l\u2019ann\u00e9e, tandis que les responsables ont \u00e9voqu\u00e9 des risques d\u2019inflation persistants li\u00e9s \u00e0 un choc sur les prix des mati\u00e8res premi\u00e8res. Par ailleurs, les tensions g\u00e9opolitiques sont rest\u00e9es au centre de l\u2019attention apr\u00e8s que le Corps des gardiens de la r\u00e9volution islamique (CGRI) iranien a averti qu\u2019il modifierait la \u00ab g\u00e9ographie de la guerre \u00bb en cas d\u2019escalade am\u00e9ricaine, alors que Washington a menac\u00e9 de nouvelles mesures \u00e9conomiques susceptibles d\u2019exclure les compagnies a\u00e9riennes iraniennes de l\u2019aviation internationale \u00e0 partir du 23 septembre, sur fond d\u2019intensification des combats impliquant le groupe houthi soutenu par l\u2019Iran au Y\u00e9men et l\u2019Arabie saoudite.<\/p>\n\n<p>L\u2019Iran a ensuite propos\u00e9 de rouvrir le d\u00e9troit d\u2019Ormuz sous sept jours si les \u00c9tats-Unis l\u00e8vent leur blocus des ports iraniens et cessent les op\u00e9rations militaires, une \u00e9volution intervenue alors que le brut reculait \u00e0 un plus bas de deux semaines et que les rendements des obligations am\u00e9ricaines restaient sous leurs sommets pluriannuels. Sur le plan technique, l\u2019indice a conserv\u00e9 un biais haussier au-dessus de la moyenne mobile simple (SMA) \u00e0 100 jours \u00e0 99,90 et s\u2019est maintenu au-dessus de supports de Fibonacci \u00e0 100,18 et 99,80 ; des r\u00e9sistances \u00e9taient identifi\u00e9es \u00e0 100,56, 101,10 et au plus haut de swing \u00e0 101,78. Les principaux rep\u00e8res baissiers se situaient \u00e0 100,18, 99,90 et 99,80, puis 99,33 et 98,58.<\/p>\n\n<h3>Strat\u00e9gies sur d\u00e9riv\u00e9s et perspectives techniques<\/h3>\n\n<p>Nous recommandons aux op\u00e9rateurs sur d\u00e9riv\u00e9s de conserver un biais haussier sur l\u2019indice du dollar am\u00e9ricain (DXY) via des options d\u2019achat (calls), tant qu\u2019il reste au-dessus de la moyenne mobile simple \u00e0 100 jours, niveau cl\u00e9 \u00e0 99,90. Cette approche est \u00e9tay\u00e9e par le r\u00e9cent rel\u00e8vement des taux par la R\u00e9serve f\u00e9d\u00e9rale, qui renforce historiquement le billet vert en attirant des capitaux \u00e9trangers \u00e0 la recherche de rendements plus \u00e9lev\u00e9s. Compte tenu du support technique \u00e0 100,18, l\u2019achat de call spreads \u00e0 court terme visant les r\u00e9sistances \u00e0 100,56 et 101,10 offre un profil risque\/rendement attractif.<\/p>\n\n<h3>Risque g\u00e9opolitique et couverture de portefeuille<\/h3>\n\n<p>Les tensions g\u00e9opolitiques au Moyen-Orient demeurent un moteur majeur, ce qui rend les actifs refuges comme le dollar am\u00e9ricain particuli\u00e8rement pr\u00e9cieux dans nos portefeuilles. Historiquement, le d\u00e9troit d\u2019Ormuz voit transiter plus de 20 millions de barils de p\u00e9trole par jour, soit environ 20 % de la consommation mondiale de liquides p\u00e9troliers, ce qui signifie que toute menace sur ce point de passage peut d\u00e9clencher des pics soudains des prix de l\u2019\u00e9nergie et de la demande de dollars. Pour se couvrir contre cette volatilit\u00e9, nous devrions envisager des options d\u2019achat sur USD afin de capter d\u2019\u00e9ventuels flux refuges en cas d\u2019escalade du conflit apr\u00e8s l\u2019\u00e9ch\u00e9ance du 23 septembre.<\/p>\n\n<p>Si l\u2019offre iranienne de rouvrir le d\u00e9troit a temporairement fait reculer les prix du p\u00e9trole \u00e0 un plus bas de deux semaines, nous devons consid\u00e9rer ce repli comme une phase de consolidation plut\u00f4t que comme un retournement de tendance. Ce r\u00e9pit provisoire a att\u00e9nu\u00e9 les craintes inflationnistes \u00e0 court terme et stabilis\u00e9 les rendements des Treasuries, ce qui pourrait limiter les gains imm\u00e9diats du DXY. Nous conseillons d\u2019attendre une cassure nette au-dessus de 100,56 ou un rebond solide sur le support \u00e0 99,80 avant de renforcer de mani\u00e8re agressive des positions longues sur futures.<\/p>\n\n<p>Pour les traders souhaitant tirer parti de cette phase de range, la vente d\u2019options de vente (puts) sous la zone de demande structurelle \u00e0 98,58 permet d\u2019encaisser une prime en attendant une tendance plus lisible. Si le DXY passe sous la moyenne mobile \u00e0 99,90 sur une base de cl\u00f4ture quotidienne, nous devrions r\u00e9\u00e9valuer imm\u00e9diatement et couvrir nos expositions longues. En combinant des spreads d\u2019options avec des stop-loss stricts, nous pouvons naviguer dans le risque de titres g\u00e9opolitiques actuel sans nous exposer \u00e0 un risque de baisse illimit\u00e9.<\/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>Sous 100 mais haussier, le DXY dig\u00e8re le resserrement de la Fed. L\u2019Ormuz et l\u2019\u00e9ch\u00e9ance du 23 septembre entretiennent le risque refuge. Strat\u00e9gie: calls au-dessus 99,90, cibles 100,56-101,10.<\/p>\n","protected":false},"author":87,"featured_media":49630,"comment_status":"","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[24],"tags":[],"class_list":["post-68760","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=\"Sous 100 mais haussier, le DXY dig\u00e8re le resserrement de la Fed. L\u2019Ormuz et l\u2019\u00e9ch\u00e9ance du 23 septembre entretiennent le risque refuge. 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