{"id":52027,"date":"2026-07-31T20:22:47","date_gmt":"2026-07-31T20:22:47","guid":{"rendered":"https:\/\/www.vtmarkets.com\/fr-ca\/uncategorized\/usd-chf-efface-ses-gains-alors-que-le-dollar-recule-sur-fond-de-craintes-dintervention-et-de-reevaluation-des-hausses-de-taux-de-la-fed\/"},"modified":"2026-07-31T20:22:47","modified_gmt":"2026-07-31T20:22:47","slug":"usd-chf-efface-ses-gains-alors-que-le-dollar-recule-sur-fond-de-craintes-dintervention-et-de-reevaluation-des-hausses-de-taux-de-la-fed","status":"publish","type":"post","link":"https:\/\/www.vtmarkets.com\/fr-ca\/live-updates\/usd-chf-efface-ses-gains-alors-que-le-dollar-recule-sur-fond-de-craintes-dintervention-et-de-reevaluation-des-hausses-de-taux-de-la-fed\/","title":{"rendered":"USD\/CHF efface ses gains alors que le dollar recule sur fond de craintes d\u2019intervention et de r\u00e9\u00e9valuation des hausses de taux de la Fed"},"content":{"rendered":"<p>L\u2019USD\/CHF a r\u00e9duit ses gains de d\u00e9but de s\u00e9ance vendredi, le dollar am\u00e9ricain ayant eu de la difficult\u00e9 \u00e0 se redresser apr\u00e8s la forte liquidation de jeudi, survenue \u00e0 la suite d\u2019une intervention japonaise pr\u00e9sum\u00e9e pour soutenir le JPY. La paire s\u2019\u00e9changeait pr\u00e8s de 0,8086 apr\u00e8s avoir touch\u00e9 un sommet intrajournalier \u00e0 0,8128; elle affichait une hausse d\u2019environ 0,45% sur la journ\u00e9e, tout en demeurant en voie d\u2019un recul hebdomadaire. Reuters a rapport\u00e9 que le Tr\u00e9sor am\u00e9ricain aurait indiqu\u00e9 \u00e0 plusieurs banques qu\u2019il pourrait intervenir sur le march\u00e9 du yen vendredi et leur a demand\u00e9 de se tenir pr\u00eates \u00e0 d\u2019autres actions, ce qui a frein\u00e9 la tentative du billet vert de rebondir depuis des creux de six semaines. L\u2019indice du dollar am\u00e9ricain (DXY) oscillait autour de 100,07, en baisse par rapport \u00e0 un pic intrajournalier de 100,45, tandis que Brown Brothers Harriman a \u00e9tabli une fourchette de 96,00 \u00e0 100,00 pour le DXY.<\/p>\n\n<p>La Fed a maintenu son taux directeur inchang\u00e9 \u00e0 3,50%\u20133,75% pour une cinqui\u00e8me r\u00e9union cons\u00e9cutive mercredi, trois d\u00e9cideurs ayant appuy\u00e9 une hausse imm\u00e9diate de 25 pb. Les march\u00e9s int\u00e8grent une probabilit\u00e9 d\u2019environ 65% d\u2019une hausse en septembre, selon l\u2019outil CME FedWatch. En Suisse, l\u2019attention se tourne vers l\u2019IPC de juillet lundi, apr\u00e8s que l\u2019inflation annuelle a ralenti \u00e0 0,5% en juin contre 0,6% en mai, restant pr\u00e8s de la borne inf\u00e9rieure de la fourchette de stabilit\u00e9 des prix de la BNS et renfor\u00e7ant les attentes d\u2019un taux directeur \u00e0 0%.<\/p>\n\n<h3>USD\/CHF et volatilit\u00e9 du USD : strat\u00e9gies d\u2019options et de produits d\u00e9riv\u00e9s<\/h3>\n\n<p>Alors que le DXY recule \u00e0 100,07 et que de grandes institutions anticipent une baisse vers une zone de 96,00\u2013100,00, nous recommandons aux traders de d\u00e9riv\u00e9s d\u2019\u00e9tablir des positions vendeuses sur les rebonds du USD. Concr\u00e8tement, l\u2019achat d\u2019options de vente (puts) hors du cours (out-of-the-money) sur l\u2019USD\/CHF pourrait g\u00e9n\u00e9rer de solides rendements si la paire se replie depuis son r\u00e9cent sommet de 0,8128. Historiquement, lorsque le DXY c\u00e8de des seuils psychologiques cl\u00e9s comme 100, les changements de momentum peuvent d\u00e9clencher des reculs rapides de 3% \u00e0 5% sur les grandes paires de devises au cours des semaines suivantes.<\/p>\n\n<p>La menace d\u2019une intervention coordonn\u00e9e des banques centrales sur le march\u00e9 des changes, mise en \u00e9vidence par l\u2019avertissement du Tr\u00e9sor am\u00e9ricain aux grandes banques, introduit un risque extr\u00eame (tail risk) important pour les paires en USD. Pour composer avec cette volatilit\u00e9 soudaine, nous conseillons aux traders de d\u00e9riv\u00e9s d\u2019utiliser des strat\u00e9gies de straddle acheteur (long straddle) sur l\u2019USD\/JPY ou des options crois\u00e9es (cross-currency). Lors de pr\u00e9c\u00e9dentes interventions massives, comme les achats historiques de yens de 60 G$ US par le Japon, la volatilit\u00e9 implicite a fortement grimp\u00e9, rendant les strat\u00e9gies d\u2019options ax\u00e9es sur la volatilit\u00e9 longue tr\u00e8s rentables pour ceux positionn\u00e9s t\u00f4t.<\/p>\n\n<h3>Strat\u00e9gies de taux d\u2019int\u00e9r\u00eat et sur le franc suisse<\/h3>\n\n<p>\u00c9tant donn\u00e9 que les march\u00e9s \u00e9valuent actuellement \u00e0 65% la probabilit\u00e9 d\u2019une hausse des taux de la R\u00e9serve f\u00e9d\u00e9rale en septembre, les d\u00e9riv\u00e9s de taux d\u2019int\u00e9r\u00eat offrent un profil risque-rendement attrayant. Nous sugg\u00e9rons de n\u00e9gocier des contrats \u00e0 terme SOFR (Secured Overnight Financing Rate) de septembre afin de capter l\u2019\u00e9cart entre la pause de la banque centrale et la dissidence plus restrictive de certains d\u00e9cideurs favorables \u00e0 une hausse de 25 points de base. Si les prochaines donn\u00e9es \u00e9conomiques continuent de signaler une inflation tenace, cette probabilit\u00e9 de 65% pourrait rapidement grimper vers 85%, propulsant les rendements des bons du Tr\u00e9sor \u00e0 court terme.<\/p>\n\n<p>Avec la publication des donn\u00e9es d\u2019inflation de juillet en Suisse pr\u00e9vue ce lundi, les traders doivent aussi se pr\u00e9parer \u00e0 des mouvements potentiels du franc suisse. Comme l\u2019inflation suisse a ralenti \u00e0 seulement 0,5% en juin, la Banque nationale suisse a de fortes chances de maintenir son taux directeur verrouill\u00e9 \u00e0 0% afin d\u2019\u00e9viter que le franc ne devienne excessivement fort. Nous recommandons de vendre des options d\u2019achat (calls) sur le CHF \u00e0 court terme pour encaisser la prime, puisque l\u2019orientation accommodante (dovish) de la BNS devrait plafonner tout gain abrupt de la devise suisse.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><b>Commencez \u00e0 n\u00e9gocier d\u00e8s maintenant \u2014 cliquez <a href=\"https:\/\/www.vtmarkets.com\/fr-ca\/trade-now\/\">ici<\/a> pour cr\u00e9er votre compte r\u00e9el VT Markets.<\/b>\n\n<\/p>","protected":false},"excerpt":{"rendered":"<p>Secou\u00e9 par une intervention japonaise pr\u00e9sum\u00e9e, l\u2019USD\/CHF replie \u00e0 0,8086 malgr\u00e9 +0,45%. Le DXY cale pr\u00e8s de 100, et la Fed reste en pause: volatilit\u00e9 accrue, options et d\u00e9riv\u00e9s privil\u00e9gi\u00e9s.<\/p>\n","protected":false},"author":87,"featured_media":49619,"comment_status":"","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[24],"tags":[],"class_list":["post-52027","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=\"Secou\u00e9 par une intervention japonaise pr\u00e9sum\u00e9e, l\u2019USD\/CHF replie \u00e0 0,8086 malgr\u00e9 +0,45%. Le DXY cale pr\u00e8s de 100, et la Fed reste en pause: volatilit\u00e9 accrue, options et d\u00e9riv\u00e9s privil\u00e9gi\u00e9s.\" \/>\n\t<meta name=\"robots\" content=\"max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/www.vtmarkets.com\/fr-ca\/live-updates\/usd-chf-efface-ses-gains-alors-que-le-dollar-recule-sur-fond-de-craintes-dintervention-et-de-reevaluation-des-hausses-de-taux-de-la-fed\/\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO Pro (AIOSEO) 5.0.1.1\" \/>\n\t\t<meta property=\"og:locale\" content=\"en_US\" \/>\n\t\t<meta property=\"og:site_name\" content=\"VT Markets\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"USD\/CHF efface ses gains alors que le dollar recule sur fond de craintes d\u2019intervention et de r\u00e9\u00e9valuation des hausses de taux de la Fed - VT Markets\" \/>\n\t\t<meta property=\"og:description\" content=\"Secou\u00e9 par une intervention japonaise pr\u00e9sum\u00e9e, l\u2019USD\/CHF replie \u00e0 0,8086 malgr\u00e9 +0,45%. 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