{"id":10115,"date":"2026-08-19T18:52:30","date_gmt":"2026-08-19T08:52:30","guid":{"rendered":"https:\/\/www.amillex.com\/?p=10115"},"modified":"2026-08-19T18:52:33","modified_gmt":"2026-08-19T08:52:33","slug":"amillex-daily-market-review-soaring-us-treasury-yields-pressure-gold-geopolitical-breakdown-drives-crude-oil-to-new-highs","status":"publish","type":"post","link":"https:\/\/www.amillex.com\/fr\/2026\/08\/19\/amillex-daily-market-review-soaring-us-treasury-yields-pressure-gold-geopolitical-breakdown-drives-crude-oil-to-new-highs\/","title":{"rendered":"Revue quotidienne des march\u00e9s d&#039;Amillex | La flamb\u00e9e des rendements des bons du Tr\u00e9sor am\u00e9ricain p\u00e8se sur l&#039;or ; la crise g\u00e9opolitique propulse le p\u00e9trole brut vers de nouveaux sommets"},"content":{"rendered":"<p class=\"has-black-color has-text-color has-link-color wp-elements-1 wp-block-paragraph\" style=\"font-size:18px\">Le 19 ao\u00fbt 2026, les march\u00e9s financiers mondiaux ont connu une forte volatilit\u00e9, aliment\u00e9e par une vague de ventes massives d&#039;obligations du Tr\u00e9sor am\u00e9ricain et une aggravation des risques g\u00e9opolitiques. L&#039;or au comptant s&#039;\u00e9changeait autour de $4\u00a0330 $\/oz en d\u00e9but de s\u00e9ance asiatique, affichant une nette pression \u00e0 la baisse mardi. Ce mouvement \u00e9tait principalement d\u00fb \u00e0 la flamb\u00e9e des rendements des obligations du Tr\u00e9sor am\u00e9ricain \u00e0 long terme, qui ont atteint des sommets pluriannuels. Cette hausse a incit\u00e9 les investisseurs optimistes \u00e0 prendre leurs b\u00e9n\u00e9fices, dans un contexte de primes \u00e9lev\u00e9es sur les valeurs refuges et d&#039;incertitude quant \u00e0 la politique mon\u00e9taire de la R\u00e9serve f\u00e9d\u00e9rale. Bien que l&#039;escalade des tensions au Moyen-Orient ait raviv\u00e9 les craintes d&#039;inflation de l&#039;offre \u00e0 l&#039;\u00e9chelle mondiale, les rendements nominaux \u00e9lev\u00e9s et les co\u00fbts d&#039;opportunit\u00e9 importants ont continu\u00e9 de peser directement sur le cours de l&#039;or, qui ne g\u00e9n\u00e8re pas de rendement.<\/p>\n\n\n\n<p class=\"has-black-color has-text-color has-link-color wp-elements-2 wp-block-paragraph\" style=\"font-size:18px\">Contrairement \u00e0 l&#039;or, qui peine \u00e0 se maintenir \u00e0 des niveaux \u00e9lev\u00e9s, les mati\u00e8res premi\u00e8res \u00e9nerg\u00e9tiques ont bondi, port\u00e9es par la demande de valeurs refuges et les craintes de rupture de l&#039;approvisionnement. Le p\u00e9trole brut am\u00e9ricain s&#039;\u00e9changeait autour de 1\u00a0400\u00a0000 $ le baril, cl\u00f4turant mardi \u00e0 son plus haut niveau en trois semaines. L&#039;effondrement total des perspectives d&#039;accord de paix, conjugu\u00e9 aux d\u00e9clarations de hauts responsables confirmant l&#039;arr\u00eat des n\u00e9gociations, a brutalement an\u00e9anti les espoirs de reprise de l&#039;offre au Moyen-Orient. \u00c0 l&#039;avenir, si la hausse des prix du p\u00e9trole alimente les anticipations d&#039;inflation, le resserrement de la politique mon\u00e9taire de la Fed pourrait s&#039;accentuer. Les investisseurs devraient suivre de pr\u00e8s l&#039;\u00e9volution divergente de l&#039;or et du p\u00e9trole, ainsi que la publication du compte rendu de la prochaine r\u00e9union de la Fed et l&#039;\u00e9volution de la situation g\u00e9opolitique.<\/p>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\" style=\"font-size:20px\"><strong>Analyse fondamentale et de la performance des actifs<\/strong><\/p>\n\n\n\n<p class=\"has-black-color has-text-color has-link-color wp-elements-3 wp-block-paragraph\" style=\"font-size:18px\"><strong>1. March\u00e9 boursier am\u00e9ricain<\/strong><\/p>\n\n\n\n<p class=\"has-black-color has-text-color has-link-color wp-elements-4 wp-block-paragraph\" style=\"font-size:18px\"><strong>Performance de l&#039;indice<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-black-color has-text-color has-link-color wp-elements-5\" style=\"font-size:18px\"><strong>Indice industriel Dow Jones (DJI)<\/strong>L&#039;indice s&#039;\u00e9tablit \u00e0 53\u00a0348,34 points, en baisse de 117,01 points (-0,22%). Plong\u00e9 dans le repli par les valeurs industrielles et les secteurs traditionnels, il a subi des pressions au-dessus de 53\u00a0300 points, les chocs macro\u00e9conomiques ayant orient\u00e9 les liquidit\u00e9s du march\u00e9 vers les actifs \u00e0 forte conviction.<\/li>\n\n\n\n<li class=\"has-black-color has-text-color has-link-color wp-elements-6\" style=\"font-size:18px\"><strong>Indice S&amp;P 500 (SP500)<\/strong>L&#039;indice s&#039;\u00e9tablit \u00e0 7\u00a0703,85 points, en l\u00e9g\u00e8re hausse de 1,50 point (+0,02%). Il se consolide dans une fourchette extr\u00eamement \u00e9troite autour de 7\u00a0700 points, les rotations sectorielles compensant les mouvements directionnels marqu\u00e9s entre les pond\u00e9rations des secteurs de l&#039;\u00e9nergie et de la consommation.<\/li>\n\n\n\n<li class=\"has-black-color has-text-color has-link-color wp-elements-7\" style=\"font-size:18px\"><strong>Indice Nasdaq 100 (NQ1)<\/strong>L&#039;indice s&#039;\u00e9tablissait \u00e0 29\u00a0527,25 points, en baisse de 58,75 points (-0,20%). Les valeurs technologiques \u00e0 tr\u00e8s forte capitalisation ont affich\u00e9 des performances tr\u00e8s divergentes, tandis que les anticipations de taux d&#039;int\u00e9r\u00eat \u00e9lev\u00e9s ont frein\u00e9 la valorisation des valeurs de croissance.<\/li>\n<\/ul>\n\n\n\n<p class=\"has-black-color has-text-color has-link-color wp-elements-8 wp-block-paragraph\" style=\"font-size:18px\"><strong>Points saillants de l&#039;action<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-black-color has-text-color has-link-color wp-elements-9\" style=\"font-size:18px\"><strong>Pomme (AAPL)<\/strong>Apple a cl\u00f4tur\u00e9 \u00e0 $310,03, en hausse de 1,45%. Valeur refuge par excellence, Apple a attir\u00e9 des capitaux malgr\u00e9 la divergence du secteur technologique, jouant un r\u00f4le de soutien essentiel pour le S&amp;P 500.<\/li>\n\n\n\n<li class=\"has-black-color has-text-color has-link-color wp-elements-10\" style=\"font-size:18px\"><strong>Intel (INTC)<\/strong>Le titre s&#039;\u00e9changeait \u00e0 $96,69, en baisse de 6,58%. Les actions du secteur des semi-conducteurs ont subi de fortes ventes en raison de l&#039;incertitude quant aux r\u00e9sultats du secteur et des prises de b\u00e9n\u00e9fices suite \u00e0 des primes de valorisation \u00e9lev\u00e9es.<\/li>\n\n\n\n<li class=\"has-black-color has-text-color has-link-color wp-elements-11\" style=\"font-size:18px\"><strong>Tesla (TSLA) et Amazon (AMZN)<\/strong>Les cours se sont \u00e9tablis respectivement \u00e0 $336,87 (-0,72%) et $259,45 (-0,71%). Les valeurs de consommation discr\u00e9tionnaire et les leaders du secteur des v\u00e9hicules \u00e9lectriques sont rest\u00e9s sous pression, refl\u00e9tant la prudence des investisseurs vis-\u00e0-vis des actifs \u00e0 forte volatilit\u00e9 dans un contexte de taux d&#039;int\u00e9r\u00eat \u00e9lev\u00e9s et de ralentissement de la consommation.<\/li>\n\n\n\n<li class=\"has-black-color has-text-color has-link-color wp-elements-12\" style=\"font-size:18px\"><strong>Alphabet\/Google (GOOG)<\/strong>: A \u00e9t\u00e9 cot\u00e9 \u00e0 $344,20, en l\u00e9g\u00e8re hausse de 0,06%, \u00e9voluant lat\u00e9ralement gr\u00e2ce \u00e0 un bilan solide couvrant l&#039;infrastructure et les actifs de plateforme d&#039;IA.<\/li>\n<\/ul>\n\n\n\n<div style=\"height:40px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"has-black-color has-text-color has-link-color wp-elements-13 wp-block-paragraph\" style=\"font-size:18px\"><strong>2. March\u00e9 des changes<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-black-color has-text-color has-link-color wp-elements-14\" style=\"font-size:18px\"><strong>Indice du dollar am\u00e9ricain (DXY)<\/strong>Le dollar s&#039;\u00e9tablissait \u00e0 99,630, en l\u00e9g\u00e8re baisse de 0,021. Oscillant autour de 99,60, il a b\u00e9n\u00e9fici\u00e9 d&#039;un soutien important gr\u00e2ce aux rendements \u00e9lev\u00e9s des obligations du Tr\u00e9sor \u00e0 long terme et \u00e0 la demande de valeurs refuges, malgr\u00e9 le ralentissement des ventes au d\u00e9tail qui a att\u00e9nu\u00e9 les anticipations de hausse des taux.<\/li>\n\n\n\n<li class=\"has-black-color has-text-color has-link-color wp-elements-15\" style=\"font-size:18px\"><strong>USD\/JPY<\/strong>Le taux s&#039;\u00e9tablit \u00e0 159,474, en baisse de 0,10%. Approchant du seuil critique de 160, l&#039;important \u00e9cart de rendement entre les \u00c9tats-Unis et le Japon continue d&#039;alimenter les op\u00e9rations de portage, maintenant le march\u00e9 en alerte maximale quant \u00e0 une \u00e9ventuelle intervention, verbale ou effective, de la Banque du Japon.<\/li>\n\n\n\n<li class=\"has-black-color has-text-color has-link-color wp-elements-16\" style=\"font-size:18px\"><strong>EUR\/USD<\/strong>L&#039;euro s&#039;\u00e9tablit \u00e0 1,15772, en l\u00e9g\u00e8re hausse de 0,02%. Frein\u00e9 par une faible croissance \u00e9conomique en Europe, son appr\u00e9ciation reste limit\u00e9e malgr\u00e9 le repli du dollar, se stabilisant autour de 1,1570.<\/li>\n<\/ul>\n\n\n\n<div style=\"height:40px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"has-black-color has-text-color has-link-color wp-elements-17 wp-block-paragraph\" style=\"font-size:18px\"><strong>3. M\u00e9taux pr\u00e9cieux et mati\u00e8res premi\u00e8res<\/strong><\/p>\n\n\n\n<p class=\"has-black-color has-text-color has-link-color wp-elements-18 wp-block-paragraph\" style=\"font-size:18px\"><strong>M\u00e9taux pr\u00e9cieux<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-black-color has-text-color has-link-color wp-elements-19\" style=\"font-size:18px\"><strong>Or au comptant (XAUUSD)<\/strong>Le cours de l&#039;or s&#039;\u00e9tablissait autour de $4\u00a0345,15\u00a0$\/oz, en hausse de 0,24%. Dans un contexte de risques g\u00e9opolitiques persistants et de perspectives macro\u00e9conomiques stagflationnistes pour la Fed, l&#039;or a maintenu sa tendance haussi\u00e8re historique en tant que valeur refuge et instrument de d\u00e9dollarisation.<\/li>\n\n\n\n<li class=\"has-black-color has-text-color has-link-color wp-elements-20\" style=\"font-size:18px\"><strong>Argent au comptant (XAGUSD)<\/strong>Le cours de l&#039;argent s&#039;\u00e9tablit \u00e0 $63,01\/oz, en baisse de 0,50%. Suite \u00e0 la volatilit\u00e9 r\u00e9cente, des prises de b\u00e9n\u00e9fices techniques ont \u00e9t\u00e9 enregistr\u00e9es, les anticipations de demande industrielle s&#039;ajustant aux signaux de ralentissement macro\u00e9conomique.<\/li>\n<\/ul>\n\n\n\n<p class=\"has-black-color has-text-color has-link-color wp-elements-21 wp-block-paragraph\" style=\"font-size:18px\"><strong>mati\u00e8res premi\u00e8res<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-black-color has-text-color has-link-color wp-elements-22\" style=\"font-size:18px\"><strong>P\u00e9trole brut (XTIUSD)<\/strong>Le prix du p\u00e9trole s&#039;\u00e9tablit \u00e0 $85,36 $\/baril, en hausse de 0,31%. Les tensions g\u00e9opolitiques et les risques de perturbation de l&#039;approvisionnement (notamment dans le d\u00e9troit d&#039;Ormuz) sont toujours pris en compte, maintenant le cours au-dessus de $85. Ce niveau \u00e9lev\u00e9 renforce les pr\u00e9visions de r\u00e9inflation, limitant davantage la marge de man\u0153uvre des banques centrales mondiales en mati\u00e8re d&#039;assouplissement mon\u00e9taire.<\/li>\n<\/ul>\n\n\n\n<div style=\"height:40px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"has-black-color has-text-color has-link-color wp-elements-23 wp-block-paragraph\" style=\"font-size:18px\"><strong>4. Actifs crypto et dynamique macro\u00e9conomique<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-black-color has-text-color has-link-color wp-elements-24\" style=\"font-size:18px\"><strong>Bitcoin (BTCUSD)<\/strong>Le cours du BTC s&#039;\u00e9tablit \u00e0 $64\u00a0600, en baisse de 0,13%. Il continue d&#039;\u00e9voluer lat\u00e9ralement entre $64\u00a0000 et $65\u00a0000, les rendements r\u00e9els \u00e9lev\u00e9s \u00e0 long terme incitant les investisseurs \u00e0 rester \u00e0 l&#039;\u00e9cart des actifs plus risqu\u00e9s.<\/li>\n\n\n\n<li class=\"has-black-color has-text-color has-link-color wp-elements-25\" style=\"font-size:18px\"><strong>Ethereum (ETHUSD)<\/strong>Le cours de l&#039;ETH s&#039;\u00e9tablit \u00e0 1\u00a0915,80 ($1\u00a0915,80), en l\u00e9g\u00e8re baisse de 0,051\u00a0TP3T. Affichant une performance l\u00e9g\u00e8rement inf\u00e9rieure \u00e0 celle du BTC, l&#039;ETH s&#039;est consolid\u00e9 dans une fourchette \u00e9troite au-dessus du support de 1\u00a0900 ($1\u00a0900), la liquidit\u00e9 privil\u00e9giant les valeurs refuges traditionnelles comme l&#039;or et le dollar am\u00e9ricain.<\/li>\n<\/ul>\n\n\n\n<div style=\"height:40px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"has-black-color has-text-color has-link-color wp-elements-26 wp-block-paragraph\" style=\"font-size:18px\"><strong>5. \u00c9v\u00e9nements cl\u00e9s du jour<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-black-color has-text-color has-link-color wp-elements-27\" style=\"font-size:18px\">Indice des prix et des salaires en Australie (trimestriel)<\/li>\n\n\n\n<li class=\"has-black-color has-text-color has-link-color wp-elements-28\" style=\"font-size:18px\">IPC britannique en glissement annuel<\/li>\n\n\n\n<li class=\"has-black-color has-text-color has-link-color wp-elements-29\" style=\"font-size:18px\">Discours de la pr\u00e9sidente de la BCE, Christine Lagarde<\/li>\n<\/ul>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>","protected":false},"excerpt":{"rendered":"<p>On August 19, 2026, global financial markets experienced intense volatility driven by a wave of US Treasury sell-offs and heightened geopolitical risks. Spot gold traded around $4,330\/oz during the early Asian session, showing clear downward pressure on Tuesday. This movement was primarily driven by a rapid surge in long-term US Treasury yields to multi-year highs, [&hellip;]<\/p>\n","protected":false},"author":11,"featured_media":10112,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"ocean_post_layout":"","ocean_both_sidebars_style":"","ocean_both_sidebars_content_width":0,"ocean_both_sidebars_sidebars_width":0,"ocean_sidebar":"","ocean_second_sidebar":"","ocean_disable_margins":"enable","ocean_add_body_class":"","ocean_shortcode_before_top_bar":"","ocean_shortcode_after_top_bar":"","ocean_shortcode_before_header":"","ocean_shortcode_after_header":"","ocean_has_shortcode":"","ocean_shortcode_after_title":"","ocean_shortcode_before_footer_widgets":"","ocean_shortcode_after_footer_widgets":"","ocean_shortcode_before_footer_bottom":"","ocean_shortcode_after_footer_bottom":"","ocean_display_top_bar":"default","ocean_display_header":"default","ocean_header_style":"","ocean_center_header_left_menu":"","ocean_custom_header_template":"","ocean_custom_logo":0,"ocean_custom_retina_logo":0,"ocean_custom_logo_max_width":0,"ocean_custom_logo_tablet_max_width":0,"ocean_custom_logo_mobile_max_width":0,"ocean_custom_logo_max_height":0,"ocean_custom_logo_tablet_max_height":0,"ocean_custom_logo_mobile_max_height":0,"ocean_header_custom_menu":"","ocean_menu_typo_font_family":"","ocean_menu_typo_font_subset":"","ocean_menu_typo_font_size":0,"ocean_menu_typo_font_size_tablet":0,"ocean_menu_typo_font_size_mobile":0,"ocean_menu_typo_font_size_unit":"px","ocean_menu_typo_font_weight":"","ocean_menu_typo_font_weight_tablet":"","ocean_menu_typo_font_weight_mobile":"","ocean_menu_typo_transform":"","ocean_menu_typo_transform_tablet":"","ocean_menu_typo_transform_mobile":"","ocean_menu_typo_line_height":0,"ocean_menu_typo_line_height_tablet":0,"ocean_menu_typo_line_height_mobile":0,"ocean_menu_typo_line_height_unit":"","ocean_menu_typo_spacing":0,"ocean_menu_typo_spacing_tablet":0,"ocean_menu_typo_spacing_mobile":0,"ocean_menu_typo_spacing_unit":"","ocean_menu_link_color":"","ocean_menu_link_color_hover":"","ocean_menu_link_color_active":"","ocean_menu_link_background":"","ocean_menu_link_hover_background":"","ocean_menu_link_active_background":"","ocean_menu_social_links_bg":"","ocean_menu_social_hover_links_bg":"","ocean_menu_social_links_color":"","ocean_menu_social_hover_links_color":"","ocean_disable_title":"default","ocean_disable_heading":"default","ocean_post_title":"","ocean_post_subheading":"","ocean_post_title_style":"","ocean_post_title_background_color":"","ocean_post_title_background":0,"ocean_post_title_bg_image_position":"","ocean_post_title_bg_image_attachment":"","ocean_post_title_bg_image_repeat":"","ocean_post_title_bg_image_size":"","ocean_post_title_height":0,"ocean_post_title_bg_overlay":0.5,"ocean_post_title_bg_overlay_color":"","ocean_disable_breadcrumbs":"default","ocean_breadcrumbs_color":"","ocean_breadcrumbs_separator_color":"","ocean_breadcrumbs_links_color":"","ocean_breadcrumbs_links_hover_color":"","ocean_display_footer_widgets":"default","ocean_display_footer_bottom":"default","ocean_custom_footer_template":"","_glsr_average":0,"_glsr_ranking":0,"_glsr_reviews":0,"ocean_post_oembed":"","ocean_post_self_hosted_media":"","ocean_post_video_embed":"","ocean_link_format":"","ocean_link_format_target":"self","ocean_quote_format":"","ocean_quote_format_link":"post","ocean_gallery_link_images":"on","ocean_gallery_id":[],"footnotes":""},"categories":[8],"tags":[],"class_list":["post-10115","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-english-news","entry","has-media"],"_links":{"self":[{"href":"https:\/\/www.amillex.com\/fr\/wp-json\/wp\/v2\/posts\/10115","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.amillex.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.amillex.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.amillex.com\/fr\/wp-json\/wp\/v2\/users\/11"}],"replies":[{"embeddable":true,"href":"https:\/\/www.amillex.com\/fr\/wp-json\/wp\/v2\/comments?post=10115"}],"version-history":[{"count":1,"href":"https:\/\/www.amillex.com\/fr\/wp-json\/wp\/v2\/posts\/10115\/revisions"}],"predecessor-version":[{"id":10116,"href":"https:\/\/www.amillex.com\/fr\/wp-json\/wp\/v2\/posts\/10115\/revisions\/10116"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.amillex.com\/fr\/wp-json\/wp\/v2\/media\/10112"}],"wp:attachment":[{"href":"https:\/\/www.amillex.com\/fr\/wp-json\/wp\/v2\/media?parent=10115"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.amillex.com\/fr\/wp-json\/wp\/v2\/categories?post=10115"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.amillex.com\/fr\/wp-json\/wp\/v2\/tags?post=10115"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}