{"id":52556,"date":"2026-08-24T23:33:09","date_gmt":"2026-08-24T23:33:09","guid":{"rendered":"https:\/\/www.vtmarkets.com\/fr-latam\/uncategorized\/usd-chf-legerement-en-hausse-les-tensions-entre-les-etats-unis-et-liran-et-lattention-portee-aux-donnees-de-la-fed-soutenant-le-dollar\/"},"modified":"2026-08-24T23:33:09","modified_gmt":"2026-08-24T23:33:09","slug":"usd-chf-legerement-en-hausse-les-tensions-entre-les-etats-unis-et-liran-et-lattention-portee-aux-donnees-de-la-fed-soutenant-le-dollar","status":"publish","type":"post","link":"https:\/\/www.vtmarkets.com\/fr-latam\/live-updates\/usd-chf-legerement-en-hausse-les-tensions-entre-les-etats-unis-et-liran-et-lattention-portee-aux-donnees-de-la-fed-soutenant-le-dollar\/","title":{"rendered":"USD\/CHF l\u00e9g\u00e8rement en hausse, les tensions entre les \u00c9tats-Unis et l\u2019Iran et l\u2019attention port\u00e9e aux donn\u00e9es de la Fed soutenant le dollar"},"content":{"rendered":"<p>L\u2019USD\/CHF a l\u00e9g\u00e8rement progress\u00e9 lundi, le dollar am\u00e9ricain se stabilisant apr\u00e8s la baisse enregistr\u00e9e la semaine derni\u00e8re, cons\u00e9cutive \u00e0 un plan du Tr\u00e9sor am\u00e9ricain visant \u00e0 augmenter les rachats d\u2019obligations de maturit\u00e9 longue. La paire s\u2019\u00e9changeait autour de 0,8026, en hausse d\u2019environ 0,20% sur la s\u00e9ance, tandis que l\u2019attention se reportait sur les tensions \u00c9tats-Unis\u2013Iran apr\u00e8s le lancement par Washington d\u2019une nouvelle salve de sanctions. L\u2019\u00ab Operation Economic Outcast \u00bb du Tr\u00e9sor a \u00e9largi les sanctions secondaires et vis\u00e9 pr\u00e8s de 60 personnes, entit\u00e9s et navires li\u00e9s \u00e0 l\u2019Iran, associ\u00e9s \u00e0 des r\u00e9seaux nucl\u00e9aires, balistiques, cyber et p\u00e9troliers, alors que T\u00e9h\u00e9ran a mis en garde contre une possible escalade, \u00e9voquant notamment des menaces d\u2019interrompre les exportations de p\u00e9trole via le d\u00e9troit d\u2019Ormuz et ailleurs dans le Golfe persique.<\/p>\n<p>Ce contexte g\u00e9opolitique a contribu\u00e9 \u00e0 soutenir le billet vert, mais les inqui\u00e9tudes autour des perspectives budg\u00e9taires am\u00e9ricaines et de la hausse de la dette publique ont limit\u00e9 l\u2019ampleur des gains. Le DXY \u00e9voluait autour de 99,05 apr\u00e8s \u00eatre tomb\u00e9 \u00e0 un plus bas de trois mois \u00e0 98,56 la semaine derni\u00e8re, tandis que des indicateurs d\u2019emploi et d\u2019inflation am\u00e9ricains plus faibles en juillet ont r\u00e9duit les anticipations de hausse des taux de la Fed \u00e0 court terme. Les regards se tournent vers l\u2019indice des prix PCE mercredi et, plus tard, vers l\u2019intervention de Kevin Warsh, pr\u00e9sident de la Fed, \u00e0 Jackson Hole vendredi. En Suisse, l\u2019inflation (IPC) en glissement annuel s\u2019est \u00e9tablie \u00e0 0,4% en juillet, proche de la borne basse de la fourchette 0%\u20132% de la BNS, et Petra Tschudin, membre du Directoire de la BNS, a indiqu\u00e9 que les taux n\u00e9gatifs pourraient \u00eatre r\u00e9utilis\u00e9s si n\u00e9cessaire.<\/p>\n<h3>Volatilit\u00e9 \u00e9nerg\u00e9tique et strat\u00e9gies sur options de change<\/h3>\n<p>Nous recommandons aux traders de produits d\u00e9riv\u00e9s de se pr\u00e9parer \u00e0 une volatilit\u00e9 accrue sur l\u2019\u00e9nergie en se concentrant sur des options d\u2019achat (calls) sur le p\u00e9trole brut. La menace de l\u2019Iran de bloquer le d\u00e9troit d\u2019Ormuz, qui achemine historiquement environ 20 millions de barils par jour \u2014 soit pr\u00e8s de 20% de la consommation mondiale de p\u00e9trole \u2014, pourrait d\u00e9clencher une flamb\u00e9e rapide des prix de l\u2019\u00e9nergie. L\u2019achat d\u2019options d\u2019achat Brent ou WTI proches du prix d\u2019exercice \u00e0 terme (near-the-money) permet de tirer parti de cette prime de risque g\u00e9opolitique avec un risque baissier limit\u00e9.<\/p>\n<p>Avec l\u2019USD\/CHF autour de 0,8026 et une inflation suisse faible \u00e0 0,4%, nous voyons un argument solide en faveur de straddles acheteurs sur la paire. La Banque nationale suisse a laiss\u00e9 entendre qu\u2019elle pourrait r\u00e9activer des taux d\u2019int\u00e9r\u00eat n\u00e9gatifs pour lutter contre une inflation trop basse, tandis que les rachats du Tr\u00e9sor am\u00e9ricain et les tensions g\u00e9opolitiques exercent des forces oppos\u00e9es sur le billet vert. Cette divergence de politiques et l\u2019arriv\u00e9e de statistiques \u00e0 fort impact rendent les strat\u00e9gies d\u2019achat de volatilit\u00e9 particuli\u00e8rement attractives pour les semaines \u00e0 venir.<\/p>\n<h3>Positionnement sur futures de taux et couverture sur le dollar<\/h3>\n<p>Nous devrions \u00e9galement nous positionner sur les futures de taux avant la publication des donn\u00e9es d\u2019inflation PCE mercredi et le symposium de Jackson Hole vendredi. \u00c0 ce stade, les futures sur les Fed Funds int\u00e8grent des anticipations r\u00e9duites de hausse des taux \u00e0 court terme apr\u00e8s des chiffres de l\u2019emploi am\u00e9ricain d\u00e9cevants. La volatilit\u00e9 implicite sur les options de taux \u00e0 court terme reste relativement bon march\u00e9, offrant une opportunit\u00e9 peu co\u00fbteuse de se couvrir contre d\u2019\u00e9ventuelles surprises hawkish de la R\u00e9serve f\u00e9d\u00e9rale.<\/p>\n<p>Alors que l\u2019indice du dollar \u00e9volue autour de 99,05 apr\u00e8s avoir touch\u00e9 un plus bas de trois mois, nous conseillons d\u2019utiliser des swaps de change de court terme pour verrouiller les niveaux de taux. Historiquement, lorsque le DXY passe sous le seuil psychologique de 100, cela signale souvent une tendance baissi\u00e8re prolong\u00e9e, sauf soutien d\u2019un resserrement mon\u00e9taire agressif. Nous devrions profiter de cette br\u00e8ve phase de stabilisation pour prot\u00e9ger nos portefeuilles avant que les prochaines publications d\u2019inflation ne viennent perturber le march\u00e9.<\/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>Rebond prudent de l\u2019USD\/CHF \u00e0 0,8026: le dollar se raffermit, port\u00e9 par les sanctions am\u00e9ricaines contre l\u2019Iran et le risque Ormuz, mais brid\u00e9 par la dette. PCE\/Jackson Hole: volatilit\u00e9 \u00e0 acheter.<\/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-52556","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 - aioseo.com -->\n\t<meta name=\"description\" content=\"Rebond prudent de l\u2019USD\/CHF \u00e0 0,8026: le dollar se raffermit, port\u00e9 par les sanctions am\u00e9ricaines contre l\u2019Iran et le risque Ormuz, mais brid\u00e9 par la dette. 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