{"id":51841,"date":"2026-08-01T00:53:06","date_gmt":"2026-08-01T00:53:06","guid":{"rendered":"https:\/\/www.vtmarkets.com\/fr-eu\/uncategorized\/usd-jpy-chahute-alors-que-la-fed-de-new-york-met-les-banques-en-alerte-face-au-risque-suspect-dintervention-de-soutien-au-yen\/"},"modified":"2026-08-01T00:53:06","modified_gmt":"2026-08-01T00:53:06","slug":"usd-jpy-chahute-alors-que-la-fed-de-new-york-met-les-banques-en-alerte-face-au-risque-suspect-dintervention-de-soutien-au-yen","status":"publish","type":"post","link":"https:\/\/www.vtmarkets.com\/fr-eu\/live-updates\/usd-jpy-chahute-alors-que-la-fed-de-new-york-met-les-banques-en-alerte-face-au-risque-suspect-dintervention-de-soutien-au-yen\/","title":{"rendered":"USD\/JPY chahut\u00e9 alors que la Fed de New York met les banques en alerte face au risque suspect d\u2019intervention de soutien au yen"},"content":{"rendered":"<p>L\u2019USD\/JPY a effectu\u00e9 un aller-retour de pr\u00e8s de trois yens entre 158,00 et 161,00, le dollar ayant \u00e9t\u00e9 vendu en trois mouvements distincts vendredi, rest\u00e9s sans contrepartie apparente. Le Tr\u00e9sor am\u00e9ricain, via la Federal Reserve Bank of New York, a demand\u00e9 \u00e0 plusieurs banques de se tenir pr\u00eates \u00e0 de nouvelles actions, et la paire s\u2019\u00e9changeait juste sous 159,00 en fin de s\u00e9ance, environ un yen et demi sous le niveau d\u2019ouverture. Le sch\u00e9ma intrajournalier a montr\u00e9 une baisse vers 158,50 durant la matin\u00e9e londonienne rapidement effac\u00e9e, un autre mouvement vers 13h15 GMT lors du passage du titre sur le Tr\u00e9sor, puis un plus bas tardif proche de 158,00 \u00e0 New York. Par ailleurs, les recommandations du FMI consid\u00e8rent que jusqu\u2019\u00e0 trois \u00e9pisodes d\u2019intervention en six mois restent compatibles avec un flottement libre, tandis que trois jours cons\u00e9cutifs sont comptabilis\u00e9s comme un seul \u00e9pisode ; le minist\u00e8re japonais des Finances a indiqu\u00e9 en mai que, une fois avril pris en compte, deux \u00ab fen\u00eatres \u00bb restaient avant novembre.<\/p>\n<p>Les r\u00e9serves du Japon ont \u00e9t\u00e9 jug\u00e9es abondantes : environ 1 400 Md$ au total, dont un peu moins de 1 200 Md$ d\u2019actifs en devises, et la campagne d\u2019avril-mai a repr\u00e9sent\u00e9 pr\u00e8s de 74 Md$ sur un mois. L\u2019op\u00e9ration de jeudi a \u00e9t\u00e9 estim\u00e9e autour de 53 Md$ d\u2019apr\u00e8s les donn\u00e9es de comptes de la banque centrale, faisant passer l\u2019USD\/JPY depuis la zone des 163,00 \u00e0 juste sous 158,00 en moins d\u2019une heure apr\u00e8s un PIB publi\u00e9 \u00e0 1,5% en rythme annualis\u00e9 contre 2,1% attendu, sur fond de positions nettes vendeuses de yen rapport\u00e9es \u00e0 11,65 Md$. La BoJ a ensuite maintenu son taux \u00e0 1,00% par un vote de 8 contre 1, tandis que la borne sup\u00e9rieure am\u00e9ricaine \u00e9tait cit\u00e9e \u00e0 3,75%. La derni\u00e8re op\u00e9ration directe des \u00c9tats-Unis sur la paire remonte \u00e0 mars 2011 pour 1 Md$ r\u00e9parti entre l\u2019ESF et le portefeuille de la Fed, tandis que la position nette de l\u2019ESF \u00e0 fin 2025 s\u2019\u00e9levait \u00e0 43,6 Md$. Les rep\u00e8res techniques incluaient une EMA 50 jours juste sous 161,50 et une EMA 200 jours proche de 158,00, avec d\u2019autres niveaux \u00e0 163,00, juste sous 164,00, 155,00 et 152,00. Les donn\u00e9es \u00e0 venir comprenaient l\u2019enqu\u00eate manufacturi\u00e8re de lundi \u00e0 14h00 GMT (consensus 54) ; l\u2019emploi priv\u00e9 de mercredi \u00e0 75k contre 98k ; et les NFP du vendredi 7 ao\u00fbt \u00e0 12h30 GMT attendus \u00e0 91k contre 57k, un ch\u00f4mage \u00e0 4,3% contre 4,2%, et des salaires \u00e0 0,3% sur un mois, les futures int\u00e9grant au moins une hausse avec une probabilit\u00e9 d\u2019environ 59% avant le 16 septembre.<\/p>\n<h3>Perspectives de march\u00e9 et consid\u00e9rations de trading<\/h3>\n<p>\u00c0 l\u2019entr\u00e9e dans ao\u00fbt 2026, les op\u00e9rateurs de d\u00e9riv\u00e9s doivent se pr\u00e9parer \u00e0 une volatilit\u00e9 accrue sur l\u2019USD\/JPY, qui a r\u00e9cemment oscill\u00e9 violemment entre 158,00 et 161,00. Nous recommandons de conserver un biais baissier sur l\u2019USD\/JPY tant que la moyenne mobile exponentielle (EMA) \u00e0 50 jours, proche de 161,50, continue de plafonner les rallies. La pr\u00e9sence d\u2019un acheteur discret et non identifi\u00e9 \u2014 fortement soup\u00e7onn\u00e9 d\u2019\u00eatre adoss\u00e9 \u00e0 la Fed de New York \u2014 signifie que de nouvelles ventes de dollars, abruptes et non annonc\u00e9es, sont tr\u00e8s probables.<\/p>\n<p>Les traders doivent se concentrer sur le support cl\u00e9 situ\u00e9 sur l\u2019EMA 200 jours pr\u00e8s de 158,00, qui a d\u00e9j\u00e0 r\u00e9sist\u00e9 \u00e0 deux tests r\u00e9cents. Une cl\u00f4ture journali\u00e8re confirm\u00e9e sous ce plancher des 158,00 d\u00e9clencherait vraisemblablement une liquidation rapide vers la zone des 155,00, rendant des options put de maturit\u00e9 courte particuli\u00e8rement attractives. \u00c0 l\u2019inverse, si la paire parvenait \u00e0 cl\u00f4turer au-dessus de 161,50 en quotidien, il faudrait abandonner ce sc\u00e9nario baissier, car cela signalerait que le march\u00e9 a r\u00e9ussi \u00e0 \u00ab prendre Tokyo au mot \u00bb et \u00e0 d\u00e9jouer sa strat\u00e9gie.<\/p>\n<h3>Strat\u00e9gie d\u2019intervention officielle et agenda \u00e9conomique<\/h3>\n<p>Il faut respecter la capacit\u00e9 de Tokyo \u00e0 d\u00e9placer les march\u00e9s avec un capital limit\u00e9, au vu des pr\u00e9c\u00e9dents historiques d\u2019actions massives et soudaines. Pour m\u00e9moire, le Japon a d\u00e9pens\u00e9 un record de 9 800 Mds JPY (environ 62 Md$) lors de sa campagne d\u2019intervention d\u2019avril et mai 2024, prouvant qu\u2019il en a \u00e0 la fois la volont\u00e9 et les moyens. En recourant \u00e0 des op\u00e9rations sur plusieurs jours cons\u00e9cutifs \u2014 comptabilis\u00e9es comme un seul \u00e9v\u00e9nement selon les r\u00e8gles du FMI \u2014 Tokyo peut d\u00e9sormais maintenir l\u2019incertitude et tenir la ligne sans entamer excessivement ses 1 400 Md$ de r\u00e9serves en devises.<\/p>\n<p>L\u2019agenda macro\u00e9conomique \u00e0 venir fera office de test d\u00e9cisif pour ce jeu psychologique, \u00e0 commencer par les chiffres manufacturiers de ce lundi. L\u2019attention se portera tout particuli\u00e8rement sur le vendredi 7 ao\u00fbt, date de publication des chiffres am\u00e9ricains de l\u2019emploi non agricole et du ch\u00f4mage. La R\u00e9serve f\u00e9d\u00e9rale ne se r\u00e9unissant pas ce mois-ci, ces rapports sur le march\u00e9 du travail p\u00e8seront fortement sur les anticipations de baisse de taux et d\u00e9termineront si le resserrement de l\u2019\u00e9cart de taux d\u2019int\u00e9r\u00eat peut soutenir la reprise du yen.<\/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 USD\/JPY : montagnes russes entre 158 et 161 sur ventes de dollars suspect\u00e9es li\u00e9es \u00e0 New York. Tokyo conserve des munitions (1 400 Md$). 158 pivot : cassure vise 155 ; au-dessus 161,50 invalide.<\/p>\n","protected":false},"author":87,"featured_media":49757,"comment_status":"","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[24],"tags":[],"class_list":["post-51841","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-live-updates"],"acf":{"acf_article_selection_author":null},"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO Pro 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"Alerte USD\/JPY : montagnes russes entre 158 et 161 sur ventes de dollars suspect\u00e9es li\u00e9es \u00e0 New York. 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Tokyo conserve des munitions (1 400 Md$). 158 pivot : cassure vise 155 ; au-dessus 161,50 invalide.","canonical_url":"https:\/\/www.vtmarkets.com\/fr-eu\/live-updates\/usd-jpy-chahute-alors-que-la-fed-de-new-york-met-les-banques-en-alerte-face-au-risque-suspect-dintervention-de-soutien-au-yen\/","robots":"max-snippet:-1, max-image-preview:large, max-video-preview:-1","keywords":"","webmasterTools":{"miscellaneous":""},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"BlogPosting","@id":"https:\/\/www.vtmarkets.com\/fr-eu\/live-updates\/usd-jpy-chahute-alors-que-la-fed-de-new-york-met-les-banques-en-alerte-face-au-risque-suspect-dintervention-de-soutien-au-yen\/#blogposting","name":"USD\/JPY chahut\u00e9 alors que la Fed de New York met les banques en alerte face au risque suspect d\u2019intervention de soutien au yen - VT Markets","headline":"USD\/JPY chahut\u00e9 alors que la Fed de New York met les banques en alerte face au risque suspect d\u2019intervention de soutien 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