{"id":53136,"date":"2026-08-26T06:19:20","date_gmt":"2026-08-26T06:19:20","guid":{"rendered":"https:\/\/www.vtmarkets.com\/fr-eu\/uncategorized\/week-ahead-us-dollar-steadies-on-treasury-buybacks\/"},"modified":"2026-08-26T06:19:20","modified_gmt":"2026-08-26T06:19:20","slug":"week-ahead-us-dollar-steadies-on-treasury-buybacks","status":"publish","type":"post","link":"https:\/\/www.vtmarkets.com\/fr-eu\/featured\/week-ahead-us-dollar-steadies-on-treasury-buybacks\/","title":{"rendered":"Semaine \u00e0 venir : le dollar am\u00e9ricain se stabilise gr\u00e2ce aux rachats de bons du Tr\u00e9sor am\u00e9ricain"},"content":{"rendered":"\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/www.vtmarkets.com\/wp-content\/uploads\/2026\/08\/discover-1-1024x559.png\" alt=\"\" class=\"wp-image-65892\"\/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Aper\u00e7u<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Le Tr\u00e9sor am\u00e9ricain va doubler ses rachats d\u2019obligations \u00e0 long terme \u00e0 au moins 4 milliards de dollars par op\u00e9ration \u00e0 partir du 9 septembre, ce qui peut soutenir \u00e0 court terme les obligations de longue dur\u00e9e et les actifs risqu\u00e9s (actions, etc.).<\/li>\n\n\n\n<li>Le PCE \u00ab core \u00bb (inflation sous-jacente am\u00e9ricaine) et la premi\u00e8re estimation du PIB du 2e trimestre, le 26 ao\u00fbt, peuvent changer les anticipations sur l\u2019inflation, la croissance et la politique de la R\u00e9serve f\u00e9d\u00e9rale (Fed, banque centrale des \u00c9tats-Unis).<\/li>\n\n\n\n<li>L\u2019or reste soutenu au-dessus de la zone suivie de 4 490, tandis que le S&amp;P 500 pourrait progresser si les rendements des Treasuries reculent.<\/li>\n\n\n\n<li>Surveillance : USDX (indice du dollar) vers 98,40, EURUSD vers 1,1710 et Bitcoin apr\u00e8s son passage au-dessus de 73 460 en direction de 80 000.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Le Tr\u00e9sor intervient alors que les rendements longs montent<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Le Tr\u00e9sor am\u00e9ricain veut am\u00e9liorer la liquidit\u00e9 (facilit\u00e9 d\u2019achat\/vente sans trop faire bouger les prix) sur la partie longue du march\u00e9 des Treasuries (obligations d\u2019\u00c9tat am\u00e9ricaines). \u00c0 partir du 9 septembre, les op\u00e9rations de rachat sur les maturit\u00e9s 10\u201320 ans et 20\u201330 ans passeront d\u2019un maximum de 2 milliards de dollars \u00e0 au moins 4 milliards par op\u00e9ration. Le programme court jusqu\u2019au 4 novembre 2026.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">L\u2019annonce intervient apr\u00e8s une forte hausse des rendements longs (taux implicites servis par les obligations). Reuters indique que le rendement du Treasury \u00e0 30 ans a atteint son plus haut niveau depuis 2007, avant de reculer apr\u00e8s l\u2019annonce. Il avait atteint 5,34%. Le reflux qui a suivi montre \u00e0 quel point le march\u00e9 r\u00e9agit aux mesures officielles visant \u00e0 apporter des liquidit\u00e9s.<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-rich is-provider-x wp-block-embed-x\"><div class=\"wp-block-embed__wrapper\">\n<blockquote class=\"twitter-tweet\" data-width=\"500\" data-dnt=\"true\"><p lang=\"en\" dir=\"ltr\">With US national debt topping $40 trillion and long-term bond yields hitting multi-year highs, Treasury Secretary Scott Bessent announced increased buybacks to stabilize the market. But as experts explain on Balance of Power, short-term Treasury moves can&#39;t solve structural\u2026 <a href=\"https:\/\/t.co\/rHLiIqGWgi\">pic.twitter.com\/rHLiIqGWgi<\/a><\/p>&mdash; Bloomberg (@business) <a href=\"https:\/\/x.com\/business\/status\/2090818802405580903?ref_src=twsrc%5Etfw\">August 21, 2026<\/a><\/blockquote><script async src=\"https:\/\/platform.x.com\/widgets.js\" charset=\"utf-8\"><\/script>\n<\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Le m\u00e9canisme est simple : le Tr\u00e9sor rach\u00e8te d\u2019anciennes obligations \u00e0 longue maturit\u00e9, ce qui augmente la demande. Quand le prix d\u2019une obligation monte, son rendement baisse. Le texte \u00e9voque aussi un facteur technique : si des investisseurs qui \u00e9taient \u00ab vendeurs \u00bb (positions courtes, c\u2019est-\u00e0-dire pariant sur une baisse du prix des obligations et donc une hausse des rendements) rach\u00e8tent pour cl\u00f4turer leurs positions apr\u00e8s le retournement des rendements, cela peut ajouter une pression acheteuse.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">En revanche, ce programme ne r\u00e9duit pas la dette totale des \u00c9tats-Unis. Il modifie surtout le profil d\u2019\u00e9ch\u00e9ances : le Tr\u00e9sor rach\u00e8te de la dette ancienne \u00e0 long terme tout en continuant \u00e0 \u00e9mettre de la dette sur d\u2019autres maturit\u00e9s.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Le principal sujet : l\u2019offre de capitaux<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">La hausse des rendements longs ne vient pas uniquement de la Fed ou des anticipations d\u2019inflation. L\u2019\u00c9tat f\u00e9d\u00e9ral affiche toujours de gros d\u00e9ficits (d\u00e9penses sup\u00e9rieures aux recettes) et doit \u00e9mettre beaucoup de dette. En parall\u00e8le, les entreprises cherchent aussi des financements pour des centres de donn\u00e9es li\u00e9s \u00e0 l\u2019IA, des infrastructures \u00e9lectriques, des capacit\u00e9s de production de semi-conducteurs et d\u2019autres projets.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">R\u00e9sultat : la concurrence s\u2019intensifie pour acc\u00e9der \u00e0 l\u2019\u00e9pargne disponible. Quand plus d\u2019emprunteurs se disputent les financements, les investisseurs peuvent exiger un rendement plus \u00e9lev\u00e9. Et sur des obligations \u00e0 20 ou 30 ans, ils demandent souvent une r\u00e9mun\u00e9ration suppl\u00e9mentaire pour immobiliser leur argent longtemps.<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-rich is-provider-x wp-block-embed-x\"><div class=\"wp-block-embed__wrapper\">\n<blockquote class=\"twitter-tweet\" data-width=\"500\" data-dnt=\"true\"><p lang=\"en\" dir=\"ltr\">Ballooning government deficits, a Middle East conflict driving inflation fears and tech giants issuing billions in debt to fund AI expansion are pushing global bond yields to multi-decade highs, Reuters correspondent Gregor Stuart Hunter explains <a href=\"https:\/\/t.co\/TM4fvuZw1w\">https:\/\/t.co\/TM4fvuZw1w<\/a> <a href=\"https:\/\/t.co\/TSSBCEytpJ\">pic.twitter.com\/TSSBCEytpJ<\/a><\/p>&mdash; Reuters (@Reuters) <a href=\"https:\/\/x.com\/Reuters\/status\/2089989494196105423?ref_src=twsrc%5Etfw\">August 19, 2026<\/a><\/blockquote><script async src=\"https:\/\/platform.x.com\/widgets.js\" charset=\"utf-8\"><\/script>\n<\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">C\u2019est pourquoi l\u2019intervention du Tr\u00e9sor peut soulager le march\u00e9 sans supprimer la cause profonde des rendements \u00e9lev\u00e9s. Des besoins de financement publics importants et une forte demande de capitaux du secteur priv\u00e9 peuvent maintenir les co\u00fbts d\u2019emprunt \u00e0 un niveau haut.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Les mouvements r\u00e9cents vont dans ce sens : apr\u00e8s la baisse initiale apr\u00e8s l\u2019annonce, les rendements longs sont repartis \u00e0 la hausse, avec le 10 ans revenant vers 4,70% et le 30 ans repassant au-dessus de 5,25%.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Pourquoi les rendements comptent pour les actions et l\u2019or<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Des rendements plus bas sur les Treasuries peuvent r\u00e9duire le co\u00fbt des cr\u00e9dits immobiliers et des emprunts des entreprises, et soutenir les valorisations boursi\u00e8res. Les valeurs de croissance et de technologie y sont souvent plus sensibles car une plus grande part de leurs profits attendus se situe loin dans le futur. Quand le taux d\u2019actualisation (taux utilis\u00e9 pour ramener des gains futurs en valeur d\u2019aujourd\u2019hui) baisse, la valeur actuelle de ces gains augmente.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Le lien s\u2019\u00e9tend aussi aux mati\u00e8res premi\u00e8res et aux devises. Une baisse des rendements am\u00e9ricains peut affaiblir le dollar. Par ailleurs, des rendements r\u00e9els plus bas (rendement ajust\u00e9 de l\u2019inflation) rendent l\u2019or plus attractif, car l\u2019or ne verse pas d\u2019int\u00e9r\u00eat : quand les placements \u00ab s\u00fbrs \u00bb rapportent moins apr\u00e8s inflation, le co\u00fbt d\u2019opportunit\u00e9 de d\u00e9tenir de l\u2019or diminue.<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-rich is-provider-x wp-block-embed-x\"><div class=\"wp-block-embed__wrapper\">\n<blockquote class=\"twitter-tweet\" data-width=\"500\" data-dnt=\"true\"><p lang=\"en\" dir=\"ltr\">Gold traded near a three-month high after the US Treasury\u2019s bold intervention in the bond market revived concerns about a weaker dollar and pushed investors toward alternatives <a href=\"https:\/\/t.co\/lBAnwuZjo3\">https:\/\/t.co\/lBAnwuZjo3<\/a><\/p>&mdash; Bloomberg (@business) <a href=\"https:\/\/x.com\/business\/status\/2091685680585880059?ref_src=twsrc%5Etfw\">August 24, 2026<\/a><\/blockquote><script async src=\"https:\/\/platform.x.com\/widgets.js\" charset=\"utf-8\"><\/script>\n<\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">L\u2019or a vivement r\u00e9agi \u00e0 l\u2019annonce, avec un passage au-dessus de 4 500 dollars selon les informations de march\u00e9, alors que les rendements et le dollar reculaient.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Le point cl\u00e9 de la semaine est de savoir si la baisse des rendements peut durer. Si les rendements continuent de monter malgr\u00e9 des rachats plus importants, les march\u00e9s pourraient y voir une mesure de liquidit\u00e9 temporaire plut\u00f4t qu\u2019un changement de tendance sur le march\u00e9 obligataire.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Inflation et croissance aux \u00c9tats-Unis : le rendez-vous de la semaine<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Mercredi, publication des principaux indicateurs am\u00e9ricains de la semaine. Le PCE \u00ab core \u00bb de juillet est attendu \u00e0 +0,2% sur un mois (contre +0,1% auparavant). La premi\u00e8re estimation du PIB du 2e trimestre est attendue \u00e0 +1,5% (rythme annualis\u00e9 aux \u00c9tats-Unis), inchang\u00e9e par rapport \u00e0 l\u2019estimation pr\u00e9c\u00e9dente.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Le PCE \u00ab core \u00bb est particuli\u00e8rement suivi car la Fed l\u2019utilise pour juger l\u2019inflation de fond, en excluant les prix les plus volatils (souvent l\u2019\u00e9nergie et l\u2019alimentation). La derni\u00e8re valeur annuelle disponible (juin) \u00e9tait de 3,3%, au-dessus de l\u2019objectif de 2% de la Fed.<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-rich is-provider-x wp-block-embed-x\"><div class=\"wp-block-embed__wrapper\">\n<blockquote class=\"twitter-tweet\" data-width=\"500\" data-dnt=\"true\"><p lang=\"en\" dir=\"ltr\">The extra compensation investors demand to hold long-dated government bonds is likely to remain elevated barring an unexpected economic downturn, presenting opportunities to buy at higher yields, according to Pimco <a href=\"https:\/\/t.co\/5yes4UiFt0\">https:\/\/t.co\/5yes4UiFt0<\/a><\/p>&mdash; Bloomberg (@business) <a href=\"https:\/\/x.com\/business\/status\/2091710849714913556?ref_src=twsrc%5Etfw\">August 24, 2026<\/a><\/blockquote><script async src=\"https:\/\/platform.x.com\/widgets.js\" charset=\"utf-8\"><\/script>\n<\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Un PCE \u00ab core \u00bb sup\u00e9rieur aux attentes pourrait pousser les rendements des Treasuries et le dollar \u00e0 la hausse, car les investisseurs ajusteraient leurs anticipations de politique mon\u00e9taire (niveau futur des taux directeurs de la Fed). Un chiffre plus faible pourrait produire l\u2019effet inverse, surtout si la croissance donne aussi des signes de ralentissement.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">La combinaison inflation\/croissance comptera plus que chaque chiffre pris s\u00e9par\u00e9ment. Une inflation persistante (qui baisse peu) avec une croissance solide maintiendrait la pression sur les rendements longs. Une inflation plus douce avec une croissance plus faible soutiendrait plut\u00f4t les obligations, les actions et l\u2019or.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Australie et Japon : signaux r\u00e9gionaux sur les taux<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">L\u2019inflation (CPI, indice des prix \u00e0 la consommation) de juillet en Australie est aussi attendue le 26 ao\u00fbt. Le march\u00e9 anticipe un ralentissement \u00e0 3,3% sur un an, contre 3,8%.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">En juin, le CPI \u00e9tait \u00e0 3,8%, tandis que l\u2019inflation \u00ab trimmed mean \u00bb (mesure qui \u00e9carte les variations extr\u00eames pour mieux capter la tendance) \u00e9tait \u00e0 3,6%. La banque centrale (Reserve Bank of Australia, RBA) fixe actuellement son taux directeur \u00e0 4,35%, avec une prochaine d\u00e9cision pr\u00e9vue le 29 septembre.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Une baisse de l\u2019inflation plus marqu\u00e9e qu\u2019attendu pourrait r\u00e9duire les anticipations de nouvelles hausses de taux de la RBA et peser sur le dollar australien. Une baisse plus limit\u00e9e maintiendrait les inqui\u00e9tudes sur l\u2019inflation et pourrait soutenir l\u2019AUDUSD.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Au Japon, l\u2019inflation sous-jacente de Tokyo (Tokyo Core CPI, indicateur avanc\u00e9) est attendue le 28 ao\u00fbt, \u00e0 1,8% sur un an contre 1,9% auparavant selon le calendrier du rapport. Les derni\u00e8res donn\u00e9es nationales indiquaient une inflation sous-jacente \u00e0 1,8% en juillet, tandis que l\u2019inflation \u00ab core-core \u00bb (mesure encore plus \u00e9pur\u00e9e, excluant aussi certains \u00e9l\u00e9ments volatils) est mont\u00e9e \u00e0 1,9%.<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-rich is-provider-x wp-block-embed-x\"><div class=\"wp-block-embed__wrapper\">\n<blockquote class=\"twitter-tweet\" data-width=\"500\" data-dnt=\"true\"><p lang=\"en\" dir=\"ltr\">Japan&#39;s 10-year yield hits three-decade peak on inflation worries <a href=\"https:\/\/t.co\/gH4FQQ1FOz\">https:\/\/t.co\/gH4FQQ1FOz<\/a> <a href=\"https:\/\/t.co\/gH4FQQ1FOz\">https:\/\/t.co\/gH4FQQ1FOz<\/a><\/p>&mdash; Reuters (@Reuters) <a href=\"https:\/\/x.com\/Reuters\/status\/2089630907120357421?ref_src=twsrc%5Etfw\">August 18, 2026<\/a><\/blockquote><script async src=\"https:\/\/platform.x.com\/widgets.js\" charset=\"utf-8\"><\/script>\n<\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Ces chiffres alimenteront les attentes sur la prochaine d\u00e9cision de la Banque du Japon, ce qui peut rendre l\u2019USDJPY sensible aux variations d\u2019anticipations de taux.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Le pr\u00e9sident de la Fed, Warsh, peut influencer le dollar et les obligations<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Le pr\u00e9sident de la R\u00e9serve f\u00e9d\u00e9rale, Kevin Warsh, doit s\u2019exprimer le 28 ao\u00fbt. Le rapport recommande de surveiller tout commentaire sur les taux.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ses propos interviennent alors que le Tr\u00e9sor et la Fed n\u2019ont pas les m\u00eames priorit\u00e9s. Le Tr\u00e9sor cherche \u00e0 soutenir la liquidit\u00e9 du march\u00e9 obligataire et \u00e0 contenir le co\u00fbt de financement de l\u2019\u00c9tat. La Fed, elle, veut des conditions financi\u00e8res (taux, cr\u00e9dit, march\u00e9s) compatibles avec son objectif de d\u00e9sinflation.<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-rich is-provider-x wp-block-embed-x\"><div class=\"wp-block-embed__wrapper\">\n<blockquote class=\"twitter-tweet\" data-width=\"500\" data-dnt=\"true\"><p lang=\"en\" dir=\"ltr\">Bond investors will zero in on Kevin Warsh\u2019s Jackson Hole speech this week, with a further selloff in long-dated Treasuries at stake as markets look for clues on his response to persistent inflation and fiscal concerns. <a href=\"https:\/\/t.co\/Ttp8MvLy6N\">https:\/\/t.co\/Ttp8MvLy6N<\/a><\/p>&mdash; Bloomberg (@business) <a href=\"https:\/\/x.com\/business\/status\/2091610181859778857?ref_src=twsrc%5Etfw\">August 23, 2026<\/a><\/blockquote><script async src=\"https:\/\/platform.x.com\/widgets.js\" charset=\"utf-8\"><\/script>\n<\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Un message confirmant une politique restrictive (taux \u00e9lev\u00e9s pour freiner l\u2019inflation) pourrait soutenir le dollar et les rendements. \u00c0 l\u2019inverse, un ton plus accommodant (moins inquiet sur l\u2019inflation ou laissant entrevoir des baisses de taux) pourrait peser sur le dollar, soutenir l\u2019or et les actions.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">La r\u00e9action pourrait d\u00e9passer le seul march\u00e9 des changes. Une variation des rendements des Treasuries peut se transmettre rapidement \u00e0 l\u2019or, aux indices actions et aux autres actifs sensibles au risque.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Symboles cl\u00e9s \u00e0 suivre<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">USDX | EURUSD | SP500 | XAUUSD | BTCUSD<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u00c9v\u00e9nements \u00e0 venir<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\">Date<\/td><td class=\"has-text-align-center\" data-align=\"center\">Devise<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u00c9v\u00e9nement<\/td><td class=\"has-text-align-center\" data-align=\"center\">Pr\u00e9vision<\/td><td class=\"has-text-align-center\" data-align=\"center\">Pr\u00e9c\u00e9dent<\/td><td class=\"has-text-align-center\" data-align=\"center\">Commentaire<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">26 Aug<\/td><td class=\"has-text-align-center\" data-align=\"center\">AUD<\/td><td class=\"has-text-align-center\" data-align=\"center\">CPI a\/a<\/td><td class=\"has-text-align-center\" data-align=\"center\">3.30%<\/td><td class=\"has-text-align-center\" data-align=\"center\">3.80%<\/td><td class=\"has-text-align-center\" data-align=\"center\">Un ralentissement plus marqu\u00e9 de l\u2019inflation pourrait peser sur l\u2019AUD, car la probabilit\u00e9 de nouvelles hausses de taux de la RBA diminuerait.<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">26 Aug<\/td><td class=\"has-text-align-center\" data-align=\"center\">USD<\/td><td class=\"has-text-align-center\" data-align=\"center\">Indice des prix PCE \u00ab core \u00bb m\/m<\/td><td class=\"has-text-align-center\" data-align=\"center\">0.20%<\/td><td class=\"has-text-align-center\" data-align=\"center\">0.10%<\/td><td class=\"has-text-align-center\" data-align=\"center\">Un chiffre au-dessus des attentes pourrait soutenir l\u2019USD et les rendements des Treasuries ; un chiffre plus faible pourrait soutenir l\u2019or et les actions.<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">26 Aug<\/td><td class=\"has-text-align-center\" data-align=\"center\">USD<\/td><td class=\"has-text-align-center\" data-align=\"center\">PIB (1re estimation) t\/t<\/td><td class=\"has-text-align-center\" data-align=\"center\">1.50%<\/td><td class=\"has-text-align-center\" data-align=\"center\">1.50%<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u00c0 lire avec le PCE. Un r\u00e9sultat plus faible pourrait renforcer la demande d\u2019obligations et des rendements plus bas.<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">28 Aug<\/td><td class=\"has-text-align-center\" data-align=\"center\">CAD<\/td><td class=\"has-text-align-center\" data-align=\"center\">PIB m\/m<\/td><td class=\"has-text-align-center\" data-align=\"center\">0.20%<\/td><td class=\"has-text-align-center\" data-align=\"center\">0.30%<\/td><td class=\"has-text-align-center\" data-align=\"center\">Un chiffre plus fort pourrait soutenir le CAD ; un chiffre plus faible pourrait peser sur la devise et soutenir USD\/CAD.<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">28 Aug<\/td><td class=\"has-text-align-center\" data-align=\"center\">USD<\/td><td class=\"has-text-align-center\" data-align=\"center\">Discours du pr\u00e9sident de la Fed, Warsh<\/td><td class=\"has-text-align-center\" data-align=\"center\">&#8211;<\/td><td class=\"has-text-align-center\" data-align=\"center\">&#8211;<\/td><td class=\"has-text-align-center\" data-align=\"center\">Surveiller les commentaires sur l\u2019inflation, les taux et les conditions financi\u00e8res.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Mouvements cl\u00e9s de la semaine<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">USDX<\/h3>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.vtmarkets.com\/wp-content\/uploads\/2026\/08\/codeOWUzMmRiYmJhZjc5ZmEyZDY1ZmQ5NmQ3ZDlkOWI2MmFfVjdQc2d2RHpYbWRyRGNxaG4zclVQN2MwNW12RWVwd1JfVG9rZW46VWRLZ2JVS3kyb1daZld4NkZ3RGxqdE13Z2dxXzE3ODc1NDE4MjY6MTc4NzU0NTQyNl9WNAampadd_watermarktrueampscene_typeCCM.png\" alt=\"\"\/><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li>L\u2019USDX a trouv\u00e9 un support vers 98,40, zone cl\u00e9 mentionn\u00e9e pour l\u2019\u00e9volution des cours.<\/li>\n\n\n\n<li>En cas de hausse, 99,25 puis 99,50 pourraient \u00eatre vis\u00e9s ; en cas de cassure baissi\u00e8re, 97,80 redevient un niveau \u00e0 surveiller.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">EURUSD<\/h3>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.vtmarkets.com\/wp-content\/uploads\/2026\/08\/codeZGM5YjY3OGFiYzdkNDY2ZWMyMTk3MDRlNTg3OGVlNjlfbk1ydENWVnJXVThwNmFRVUNzOEZ6emJvSEVQZlF6QkdfVG9rZW46Szd6ZGJNQUxOb2JrZEl4ZlhkMmxla0xLZ1BoXzE3ODc1NDE4MjY6MTc4NzU0NTQyNl9WNAampadd_watermarktrueampscene_typeCCM.png\" alt=\"\"\/><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li>L\u2019EURUSD a but\u00e9 sur une r\u00e9sistance vers 1,1710.<\/li>\n\n\n\n<li>En cas de repli, une r\u00e9action acheteuse (signaux haussiers) vers 1,1610 ou 1,1580 devient possible. Une cassure par le haut d\u00e9placerait l\u2019attention vers 1,1775.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">GBPUSD<\/h3>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.vtmarkets.com\/wp-content\/uploads\/2026\/08\/codeZTJlYTE4MjAxNjdiNzgyZmNjZmZmNjQzOWUyYzIxMDFfV0paZ2lpZmpvSGYybVVLYUVKZmZWT1BLNkE3bW5BeXVfVG9rZW46SHJOeWIwbkZMb080bXN4WWhqcGwwQVZxZ0RmXzE3ODc1NDE4MjY6MTc4NzU0NTQyNl9WNAampadd_watermarktrueampscene_typeCCM.png\" alt=\"\"\/><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Surveiller 1,3495 en cas de consolidation de GBPUSD, pour d\u2019\u00e9ventuels signaux haussiers.<\/li>\n\n\n\n<li>Une hausse durable pourrait ouvrir la voie \u00e0 une poursuite du mouvement.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>USDJPY<\/strong><\/h3>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.vtmarkets.com\/wp-content\/uploads\/2026\/08\/codeMDEyN2U0Mzk3MmIyMTU5MDZjOWVjYTdkYWMxMDA5MjFfenRoNFlwMWFNdFQxbFo5b1E2ZHFBRWh0aVpKNFZaV29fVG9rZW46QnZYeGJEZU94b2ZRZk94QklReWxuN3IzZ2RkXzE3ODc1NDE4MjY6MTc4NzU0NTQyNl9WNAampadd_watermarktrueampscene_typeCCM.png\" alt=\"\"\/><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Surveiller 160,15 si l\u2019USDJPY poursuit sa hausse.<\/li>\n\n\n\n<li>Un retournement brutal depuis cette zone augmenterait le risque de renforcement du yen et de d\u00e9bouclage des \u00ab carry trades \u00bb (strat\u00e9gies consistant \u00e0 emprunter dans une devise \u00e0 faible taux pour acheter une devise \u00e0 taux plus \u00e9lev\u00e9).<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>XAUUSD (Or)<\/strong><\/h3>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.vtmarkets.com\/wp-content\/uploads\/2026\/08\/codeOWE4MjQ4YjA0NDQxZGIzOGJmY2QzZWJiZTliYzIyZTlfa2I4VWZsbU9yTmRWdG5pOHZVRjY1eDNrd1VLWGQ1WjFfVG9rZW46VkdIRWJweHFqb2ZWajF4SHRQTGxPWnlkZ2ptXzE3ODc1NDE4MjY6MTc4NzU0NTQyNl9WNAampadd_watermarktrueampscene_typeCCM.png\" alt=\"\"\/><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li>L\u2019or a prolong\u00e9 sa hausse, avec un rallye au-dessus de 4 500 dollars apr\u00e8s l\u2019annonce de rachats plus importants sur les maturit\u00e9s longues.<\/li>\n\n\n\n<li>Le niveau 4 490 constitue la zone de soutien haussier. 4 670 est le prochain niveau \u00e0 surveiller si la hausse se poursuit.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>SP500<\/strong><\/h3>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.vtmarkets.com\/wp-content\/uploads\/2026\/08\/codeZTlhNDM5YjQ5OWU4YjZlMmM4ODU2MWM4MzQ4YTcwYTZfMzNuWW80Ym1adzZVcm81ZjA0VG9pSkl2MmZsOE5ib29fVG9rZW46WmFrcmJFeTJsb2FyMDd4c3NiemxBMVk4Z1JmXzE3ODc1NDE4MjY6MTc4NzU0NTQyNl9WNAampadd_watermarktrueampscene_typeCCM.png\" alt=\"\"\/><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Le S&amp;P 500 conserve une orientation technique favorable (tendance sugg\u00e9r\u00e9e par le graphique), et l\u2019indice pourrait progresser depuis sa zone actuelle.<\/li>\n\n\n\n<li>En cas de repli, 7 625 et 7 565 sont des zones de soutien potentielles.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">BTCUSD<\/h3>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.vtmarkets.com\/wp-content\/uploads\/2026\/08\/codeMTg2NjU2NmQ4YjE5ZjliMmQ5OTViOTM1ZTYxN2EzNGRfNW9ZM0VnV0FabFQ4WEZnNldUdkNVd1FaTXpZbEd2cTZfVG9rZW46VGZKS2JMcnRtb0RWeE54WU5FMGw2aUpGZ1piXzE3ODc1NDE4MjY6MTc4NzU0NTQyNl9WNAampadd_watermarktrueampscene_typeCCM.png\" alt=\"\"\/><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Le bitcoin a \u00e9volu\u00e9 au-dessus de 73 460 et s\u2019est rapproch\u00e9 de 80 000.<\/li>\n\n\n\n<li>En cas de consolidation, des signaux haussiers autour de 75 170 ou 72 120 peuvent servir de rep\u00e8res.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Conclusion<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Les march\u00e9s abordent la semaine avec le march\u00e9 des Treasuries au centre du sc\u00e9nario macro\u00e9conomique. La hausse des rachats sur les maturit\u00e9s longues peut d\u00e9tendre la liquidit\u00e9, mais les besoins de financement publics et la forte demande de capitaux du secteur priv\u00e9 restent des moteurs durables de rendements \u00e9lev\u00e9s. \u00c0 suivre : PCE \u00ab core \u00bb et premi\u00e8re estimation du PIB am\u00e9ricain le 26 ao\u00fbt, puis inflation sous-jacente de Tokyo et discours de Kevin Warsh le 28 ao\u00fbt.<\/p>\n\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>Coup de projecteur sur les Treasuries : le Tr\u00e9sor am\u00e9ricain double ses rachats longs d\u00e8s le 9 septembre, freinant temporairement les rendements. March\u00e9s suspendus au PCE core\/PIB, avec impacts dollar, actions, or, Bitcoin.<\/p>\n","protected":false},"author":87,"featured_media":53135,"comment_status":"","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[12,29],"tags":[],"class_list":["post-53136","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-featured","category-week_ahead"],"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=\"Coup de projecteur sur les Treasuries : le Tr\u00e9sor am\u00e9ricain double ses rachats longs d\u00e8s le 9 septembre, freinant temporairement les rendements. 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