{"id":69171,"date":"2026-09-30T02:36:06","date_gmt":"2026-09-30T02:36:06","guid":{"rendered":"https:\/\/www.vtmarkets.com\/fr-eu\/uncategorized\/katayama-flags-yen-undervaluation-as-japan-and-us-step-up-coordination-usd-jpy-hovers-near-157\/"},"modified":"2026-09-30T02:36:06","modified_gmt":"2026-09-30T02:36:06","slug":"katayama-flags-yen-undervaluation-as-japan-and-us-step-up-coordination-usd-jpy-hovers-near-157","status":"publish","type":"post","link":"https:\/\/www.vtmarkets.com\/fr-eu\/live-updates\/katayama-flags-yen-undervaluation-as-japan-and-us-step-up-coordination-usd-jpy-hovers-near-157\/","title":{"rendered":"Katayama signale la sous-\u00e9valuation du yen alors que le Japon et les \u00c9tats-Unis renforcent leur coordination ; l\u2019USD\/JPY \u00e9volue autour de 157"},"content":{"rendered":"<p>La ministre japonaise des Finances, Katayama, a d\u00e9clar\u00e9 qu\u2019un yen sous-\u00e9valu\u00e9 constitue g\u00e9n\u00e9ralement un probl\u00e8me et qu\u2019elle et le secr\u00e9taire am\u00e9ricain au Tr\u00e9sor, Bessent, sont convenus lors d\u2019un appel le 25 septembre de renforcer leur coop\u00e9ration, le Japon devant rester en contact \u00e9troit afin de maintenir l\u2019ordre sur les march\u00e9s des changes. L\u2019USD\/JPY a cl\u00f4tur\u00e9 juste au-dessus de 157,00, \u00e0 l\u2019int\u00e9rieur du range de lundi. La derni\u00e8re vague d\u2019achats de yen du Japon a d\u00e9but\u00e9 le 30 juillet, lorsque la devise \u00e9voluait pr\u00e8s de son plus bas en pr\u00e8s de quatre d\u00e9cennies, et le minist\u00e8re des Finances (MoF) a d\u00e9pens\u00e9 un montant record de 15 400 Mds JPY ; la paire \u00e9volue d\u00e9sormais environ six yens en dessous du niveau o\u00f9 cette action avait commenc\u00e9.<\/p>\n\n<p>La Banque du Japon (BoJ) a relev\u00e9 son taux directeur \u00e0 1,25 % le 18 septembre, un plus haut en 31 ans, tandis que la fourchette de la Fed se situe \u00e0 3,75 %\u20134,00 %, un \u00e9cart qui favorise l\u2019emprunt en yen pour acheter des actifs am\u00e9ricains plus r\u00e9mun\u00e9rateurs ; le ramener jusqu\u2019au bas de la bande de la Fed impliquerait dix nouvelles hausses de 25 pdb de la BoJ. Les donn\u00e9es attendues comprennent les ventes de d\u00e9tail d\u2019ao\u00fbt \u00e0 23h50 GMT mardi, attendues \u00e0 3,3 % en glissement annuel apr\u00e8s 4 %, les chiffres d\u2019intervention du MoF pour la p\u00e9riode du 27 ao\u00fbt au 28 septembre mercredi, et le Tankan \u00e0 23h50 GMT avec l\u2019indice des grandes entreprises manufacturi\u00e8res vu \u00e0 25 contre 22 ; l\u2019IPC de Tokyo (hors produits frais) est attendu \u00e0 2,4 % en glissement annuel contre 1,8 % \u00e0 23h30 GMT jeudi, accompagn\u00e9 d\u2019un taux de ch\u00f4mage \u00e0 2,4 %. Sur les graphiques, l\u2019EMA 200 jours se situe juste sous 158,00, une r\u00e9sistance se trouve \u00e9galement pr\u00e8s de 159,00, le support est \u00e0 157,00 puis 156,50 et juste sous 156,00 ; le Stoch RSI est \u00e0 73, avec une cl\u00f4ture quotidienne au-dessus de 158,50 signal\u00e9e comme niveau d\u2019invalidation.<\/p>\n\n<h3>Recommandations de trading et strat\u00e9gie<\/h3>\n\n<p>Nous recommandons aux traders sur produits d\u00e9riv\u00e9s d\u2019\u00e9tablir des positions vendeuses sur l\u2019USD\/JPY dans les semaines \u00e0 venir, en visant un repli vers 156,50 puis, \u00e0 terme, 156,00. Bien que la paire \u00e9volue actuellement autour de 157,00, l\u2019inconfort clairement exprim\u00e9 par le Japon face \u00e0 un yen sous-\u00e9valu\u00e9 implique que toute reprise se heurtera \u00e0 une forte r\u00e9sistance. Nous privil\u00e9gions des ventes sur rebond si le momentum de court terme pousse la paire vers la moyenne mobile exponentielle (EMA) \u00e0 200 jours, proche de 158,00.<\/p>\n\n<p>Pour \u00e9tayer ce sc\u00e9nario baissier, nous soulignons la puissance de feu financi\u00e8re consid\u00e9rable du Japon, adoss\u00e9e \u00e0 plus de 1 200 Mds USD de r\u00e9serves en devises \u00e0 la fin de 2026. Cela permet ais\u00e9ment \u00e0 Tokyo de r\u00e9p\u00e9ter une strat\u00e9gie d\u2019intervention massive de 15 400 Mds JPY, comme observ\u00e9 lors de la faiblesse de juillet. Si les donn\u00e9es du minist\u00e8re des Finances publi\u00e9es mercredi r\u00e9v\u00e8lent des achats effectifs de yen \u00e0 la fin septembre, cela confirmera que Tokyo d\u00e9fend activement ce niveau.<\/p>\n\n<h3>Contexte macro\u00e9conomique et technique<\/h3>\n\n<p>Par ailleurs, le paysage macro\u00e9conomique \u00e9volue alors que le taux de la Banque du Japon se situe \u00e0 un plus haut de 31 ans \u00e0 1,25 %, face \u00e0 une fourchette de la Fed de 3,75 % \u00e0 4,00 %. Cet \u00e9cart de rendement plus resserr\u00e9 r\u00e9duit sensiblement la rentabilit\u00e9 du carry trade classique sur le yen, historiquement dominant lorsque l\u2019\u00e9cart d\u00e9passait 5 %. Avec des donn\u00e9es d\u2019inflation \u00e0 Tokyo attendues en hausse \u00e0 2,4 %, nous anticipons un renforcement des anticipations de march\u00e9 en faveur de nouvelles hausses de taux.<\/p>\n\n<p>D\u2019un point de vue technique, la hausse du Stochastic RSI quotidien \u00e0 73 sugg\u00e8re que nous pourrions assister \u00e0 une derni\u00e8re impulsion haussi\u00e8re avant la baisse. Pour prot\u00e9ger le capital, il convient de d\u00e9finir des stop-loss stricts, une cl\u00f4ture quotidienne au-dessus de 158,50 invalidant ce trade vendeur. \u00c0 l\u2019inverse, une cassure nette sous 157,00 devrait acc\u00e9l\u00e9rer le momentum baissier en direction du plancher de 156,00.<\/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>Alerte yen : Tokyo juge la devise sous-\u00e9valu\u00e9e et serre la vis avec Washington. USD\/JPY bloque vers 157. Strat\u00e9gie : vendre les rebonds vers 158, viser 156,50-156,00, stop 158,50.<\/p>\n","protected":false},"author":87,"featured_media":69170,"comment_status":"","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[24],"tags":[],"class_list":["post-69171","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=\"Alerte yen : Tokyo juge la devise sous-\u00e9valu\u00e9e et serre la vis avec Washington. USD\/JPY bloque vers 157. 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