{"id":51517,"date":"2026-07-31T16:25:18","date_gmt":"2026-07-31T16:25:18","guid":{"rendered":"https:\/\/www.vtmarkets.com\/fr-latam\/uncategorized\/usd-jpy-chahute-sur-fond-de-soupcons-dintervention-du-japon-alors-quune-inflexion-plus-hawkish-de-la-boj-renforce-le-soutien-au-yen\/"},"modified":"2026-07-31T16:25:18","modified_gmt":"2026-07-31T16:25:18","slug":"usd-jpy-chahute-sur-fond-de-soupcons-dintervention-du-japon-alors-quune-inflexion-plus-hawkish-de-la-boj-renforce-le-soutien-au-yen","status":"publish","type":"post","link":"https:\/\/www.vtmarkets.com\/fr-latam\/live-updates\/usd-jpy-chahute-sur-fond-de-soupcons-dintervention-du-japon-alors-quune-inflexion-plus-hawkish-de-la-boj-renforce-le-soutien-au-yen\/","title":{"rendered":"USD\/JPY chahut\u00e9 sur fond de soup\u00e7ons d\u2019intervention du Japon, alors qu\u2019une inflexion plus \u00ab\u202fhawkish\u202f\u00bb de la BoJ renforce le soutien au yen"},"content":{"rendered":"<p>L\u2019USD\/JPY a bri\u00e8vement d\u00e9croch\u00e9 d\u2019environ cinq grandes figures jusqu\u2019\u00e0 158,00 sur fond de soup\u00e7ons d\u2019intervention japonaise, avant de rebondir vers 161,00 puis de reperdre du terrain, avec notamment un repli ressemblant \u00e0 une intervention \u00e0 158,55 plus tard dans la s\u00e9ance. Le minist\u00e8re japonais des Finances a publi\u00e9 son rapport de juillet sur les op\u00e9rations d\u2019intervention sur le march\u00e9 des changes, couvrant la p\u00e9riode du 29 juin au 29 juillet, tandis que les march\u00e9s \u00e9valuaient l\u2019ampleur et le calendrier d\u2019une \u00e9ventuelle action.<\/p>\n<p>La Banque du Japon a maintenu son taux directeur \u00e0 1,00% et conserv\u00e9 un biais hawkish, tout en relevant son \u00e9valuation des risques. Depuis d\u00e9cembre 2025, la banque centrale a proc\u00e9d\u00e9 \u00e0 50 pdb de resserrement, mais la mise \u00e0 jour de son Rapport sur les perspectives sugg\u00e8re une trajectoire de normalisation plus rapide vers le point m\u00e9dian de sa fourchette de taux neutre estim\u00e9e \u00e0 1,10%\u20132,50%. Sur les march\u00e9s de d\u00e9riv\u00e9s, la courbe des swaps a relev\u00e9 la probabilit\u00e9 implicite d\u2019une hausse des taux de la BoJ en septembre \u00e0 environ 40%, contre 20%, renfor\u00e7ant le soutien de court terme au JPY.<\/p>\n<h3>Positionnement sur le yen et strat\u00e9gies optionnelles<\/h3>\n<p>Nous conseillons aux traders de d\u00e9riv\u00e9s de se positionner en faveur d\u2019un yen japonais plus fort dans les prochaines semaines, la Banque du Japon signalant une trajectoire vers son taux neutre plus rapide qu\u2019anticip\u00e9. L\u2019USD\/JPY se heurtant \u00e0 une forte r\u00e9sistance autour de 161,00 en raison de soup\u00e7ons d\u2019intervention officielle, le potentiel haussier de la paire semble fortement limit\u00e9. Nous recommandons l\u2019achat de puts USD\/JPY de courte maturit\u00e9 afin de capter d\u2019\u00e9ventuels mouvements baissiers brusques provoqu\u00e9s par de nouvelles actions gouvernementales.<\/p>\n<h3>Interventions historiques et \u00e9volutions du march\u00e9 des swaps<\/h3>\n<p>Historiquement, les autorit\u00e9s japonaises n\u2019h\u00e9sitent pas \u00e0 mobiliser des montants consid\u00e9rables, comme l\u2019illustre l\u2019intervention record de 9 800 milliards de yens au d\u00e9but de 2024 pour d\u00e9fendre la devise. Les estimations actuelles du march\u00e9 sugg\u00e8rent que le minist\u00e8re des Finances trace activement une ligne rouge autour de la zone 160,00-161,00. En recourant \u00e0 des spreads optionnels baissiers, nous pouvons att\u00e9nuer le co\u00fbt \u00e9lev\u00e9 de la volatilit\u00e9 implicite tout en tirant parti de cette d\u00e9fense officielle.<\/p>\n<p>Nous devons \u00e9galement surveiller le virage rapide des march\u00e9s de swaps, qui int\u00e8grent d\u00e9sormais une probabilit\u00e9 de 40% d\u2019une hausse des taux en septembre, contre seulement 20% r\u00e9cemment. Cette revalorisation hawkish implique que l\u2019\u00e9cart de taux entre les \u00c9tats-Unis et le Japon est appel\u00e9 \u00e0 se r\u00e9duire, ce qui soutient fondamentalement le yen. Pour exploiter cette tendance, nous sugg\u00e9rons de mettre en place des spreads calendaires favorables \u00e0 une appr\u00e9ciation du yen \u00e0 l\u2019approche de la r\u00e9union de politique mon\u00e9taire de septembre.<\/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>Alerte sur l\u2019USD\/JPY : flash crash vers 158 sur soup\u00e7ons d\u2019intervention, rebond puis repli. BoJ reste hawkish, swaps pricent 40% de hausse en septembre. Strat\u00e9gie : puts courts, spreads baissiers.<\/p>\n","protected":false},"author":87,"featured_media":49385,"comment_status":"","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[10],"tags":[],"class_list":["post-51517","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 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"Alerte sur l\u2019USD\/JPY : flash crash vers 158 sur soup\u00e7ons d\u2019intervention, rebond puis repli. BoJ reste hawkish, swaps pricent 40% de hausse en septembre. 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BoJ reste hawkish, swaps pricent 40% de hausse en septembre. 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BoJ reste hawkish, swaps pricent 40% de hausse en septembre. Strat\u00e9gie : puts courts, spreads baissiers.","og:url":"https:\/\/www.vtmarkets.com\/fr-latam\/live-updates\/usd-jpy-chahute-sur-fond-de-soupcons-dintervention-du-japon-alors-quune-inflexion-plus-hawkish-de-la-boj-renforce-le-soutien-au-yen\/","article:published_time":"2026-07-31T16:25:18+00:00","article:modified_time":"2026-07-31T16:25:18+00:00","twitter:card":"summary_large_image","twitter:title":"USD\/JPY chahut\u00e9 sur fond de soup\u00e7ons d\u2019intervention du Japon, alors qu\u2019une inflexion plus \u00ab hawkish \u00bb de la BoJ renforce le soutien au yen - VT Markets","twitter:description":"Alerte sur l\u2019USD\/JPY : flash crash vers 158 sur soup\u00e7ons d\u2019intervention, rebond puis repli. BoJ reste hawkish, swaps pricent 40% de hausse en septembre. Strat\u00e9gie : puts courts, spreads baissiers."},"aioseo_meta_data":{"post_id":"51517","title":null,"description":null,"keywords":null,"keyphrases":null,"canonical_url":null,"og_title":null,"og_description":null,"og_object_type":"default","og_image_type":"default","og_image_custom_url":null,"og_image_custom_fields":null,"og_custom_image_width":null,"og_custom_image_height":null,"og_video":null,"og_custom_url":null,"og_article_section":null,"og_article_tags":null,"twitter_use_og":false,"twitter_card":"default","twitter_image_type":"default","twitter_image_custom_url":null,"twitter_image_custom_fields":null,"twitter_title":null,"twitter_description":null,"schema_type":null,"schema_type_options":null,"pillar_content":false,"robots_default":true,"robots_noindex":false,"robots_noarchive":false,"robots_nosnippet":false,"robots_nofollow":false,"robots_noimageindex":false,"robots_noodp":false,"robots_notranslate":false,"robots_max_snippet":null,"robots_max_videopreview":null,"robots_max_imagepreview":"none","tabs":null,"priority":null,"frequency":null,"local_seo":null,"created":"2026-07-31 16:25:18","updated":"2026-07-31 16:25:18"},"aioseo_breadcrumb":"<div class=\"aioseo-breadcrumbs\"><span class=\"aioseo-breadcrumb\">\n\t<a href=\"https:\/\/www.vtmarkets.com\/fr-latam\" title=\"Home\">Home<\/a>\n<\/span><span class=\"aioseo-breadcrumb-separator\">&raquo;<\/span><span class=\"aioseo-breadcrumb\">\n\t<a href=\"https:\/\/www.vtmarkets.com\/fr-latam\/category\/live-updates\/\" title=\"Live Updates\">Live Updates<\/a>\n<\/span><span class=\"aioseo-breadcrumb-separator\">&raquo;<\/span><span class=\"aioseo-breadcrumb\">\n\tUSD\/JPY chahut\u00e9 sur fond de soup\u00e7ons d\u2019intervention du Japon, alors qu\u2019une inflexion plus \u00ab\u202fhawkish\u202f\u00bb de la BoJ renforce le soutien au yen\n<\/span><\/div>","aioseo_breadcrumb_json":[{"label":"Home","link":"https:\/\/www.vtmarkets.com\/fr-latam"},{"label":"Live Updates","link":"https:\/\/www.vtmarkets.com\/fr-latam\/category\/live-updates\/"},{"label":"USD\/JPY chahut\u00e9 sur fond de soup\u00e7ons d\u2019intervention du Japon, alors qu\u2019une inflexion plus \u00ab\u202fhawkish\u202f\u00bb de la BoJ renforce le soutien au yen","link":"https:\/\/www.vtmarkets.com\/fr-latam\/live-updates\/usd-jpy-chahute-sur-fond-de-soupcons-dintervention-du-japon-alors-quune-inflexion-plus-hawkish-de-la-boj-renforce-le-soutien-au-yen\/"}],"_links":{"self":[{"href":"https:\/\/www.vtmarkets.com\/fr-latam\/wp-json\/wp\/v2\/posts\/51517","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vtmarkets.com\/fr-latam\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vtmarkets.com\/fr-latam\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vtmarkets.com\/fr-latam\/wp-json\/wp\/v2\/users\/87"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vtmarkets.com\/fr-latam\/wp-json\/wp\/v2\/comments?post=51517"}],"version-history":[{"count":0,"href":"https:\/\/www.vtmarkets.com\/fr-latam\/wp-json\/wp\/v2\/posts\/51517\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.vtmarkets.com\/fr-latam\/wp-json\/wp\/v2\/media\/49385"}],"wp:attachment":[{"href":"https:\/\/www.vtmarkets.com\/fr-latam\/wp-json\/wp\/v2\/media?parent=51517"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vtmarkets.com\/fr-latam\/wp-json\/wp\/v2\/categories?post=51517"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vtmarkets.com\/fr-latam\/wp-json\/wp\/v2\/tags?post=51517"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}