{"id":68590,"date":"2026-09-21T02:07:22","date_gmt":"2026-09-21T02:07:22","guid":{"rendered":"https:\/\/www.vtmarkets.com\/fr-ca\/uncategorized\/gbp-usd-forecast-sterling-tests-key-support-after-september-sell-off\/"},"modified":"2026-09-21T02:07:22","modified_gmt":"2026-09-21T02:07:22","slug":"gbp-usd-forecast-sterling-tests-key-support-after-september-sell-off","status":"publish","type":"post","link":"https:\/\/www.vtmarkets.com\/fr-ca\/analysis\/gbp-usd-forecast-sterling-tests-key-support-after-september-sell-off\/","title":{"rendered":"Pr\u00e9visions GBP\/USD : la livre sterling met \u00e0 l\u2019\u00e9preuve un soutien cl\u00e9 apr\u00e8s la vente massive de septembre"},"content":{"rendered":"<p><\/p>\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/www.vtmarkets.com\/wp-content\/uploads\/2026\/09\/Copy-of-discover-20-1024x559.webp\" alt=\"\" class=\"wp-image-68665\"\/><\/figure>\n<p><\/p>\n\n<p><\/p>\n<p class=\"wp-block-paragraph\"><strong>Points cl\u00e9s<\/strong><\/p>\n<p><\/p>\n\n<p><\/p>\n<ul class=\"wp-block-list\">\n<li>Le GBP\/USD a recul\u00e9 d\u2019environ <strong>2,5 % par rapport \u00e0 son sommet d\u2019ao\u00fbt<\/strong>, apr\u00e8s \u00eatre pass\u00e9 sous la fourchette d\u2019ouverture de septembre (zone de prix o\u00f9 la paire a commenc\u00e9 le mois).<\/li>\n\n\n\n<li>La livre sterling approche d\u2019une zone de <strong>soutien<\/strong> importante (niveau o\u00f9 les achats peuvent freiner la baisse), apr\u00e8s avoir \u00e9chou\u00e9 \u00e0 se maintenir au-dessus des derni\u00e8res <strong>r\u00e9sistances<\/strong> (niveau o\u00f9 les ventes bloquent la hausse).<\/li>\n\n\n\n<li>La paire reste sous sa <strong>moyenne mobile<\/strong> \u00e0 court terme (moyenne des prix r\u00e9cents utilis\u00e9e pour rep\u00e9rer la tendance), ce qui montre une pression vendeuse persistante.<\/li>\n\n\n\n<li>Les prochains <strong>PMI<\/strong> du Royaume-Uni et des \u00c9tats-Unis pourraient orienter le prochain mouvement, alors que les traders r\u00e9\u00e9valuent l\u2019\u00e9lan \u00e9conomique. Le <strong>PMI<\/strong> (indice des directeurs d\u2019achats) est un indicateur rapide de l\u2019activit\u00e9 des entreprises; au-dessus de 50 = expansion, sous 50 = contraction.<\/li>\n<\/ul>\n<p><\/p>\n\n<p><\/p>\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n<p><\/p>\n\n<p><\/p>\n<h2 class=\"wp-block-heading\">Mouvement de march\u00e9<\/h2>\n<p><\/p>\n\n<p><\/p>\n<p class=\"wp-block-paragraph\"><strong>Le GBP\/USD<\/strong> se n\u00e9gocie autour de <strong>1,3358<\/strong>, apr\u00e8s un l\u00e9ger rebond \u00e0 la suite des r\u00e9centes pertes.<\/p>\n<p><\/p>\n\n<p><\/p>\n<p class=\"wp-block-paragraph\">La paire a eu de la difficult\u00e9 \u00e0 reprendre de l\u2019\u00e9lan au-dessus de la zone <strong>1,3360\u20131,3365<\/strong>, o\u00f9 les rebonds pr\u00e9c\u00e9dents ont \u00e9t\u00e9 frein\u00e9s par une r\u00e9sistance.<\/p>\n<p><\/p>\n\n<p><\/p>\n<p class=\"wp-block-paragraph\">Un retour au-dessus des r\u00e9sistances cl\u00e9s serait n\u00e9cessaire pour am\u00e9liorer la tendance \u00e0 court terme.<\/p>\n<p><\/p>\n\n<p><\/p>\n<h2 class=\"wp-block-heading\">Pourquoi les traders surveillent \u00e7a<\/h2>\n<p><\/p>\n\n<p><\/p>\n<p class=\"wp-block-paragraph\">Les r\u00e9unions de politique mon\u00e9taire de la R\u00e9serve f\u00e9d\u00e9rale (banque centrale am\u00e9ricaine) et de la Banque d\u2019Angleterre \u00e9tant termin\u00e9es, l\u2019attention se tourne vers les donn\u00e9es \u00e9conomiques \u00e0 venir pour \u00e9valuer la croissance et la direction potentielle du march\u00e9.<\/p>\n<p><\/p>\n\n<p><\/p>\n<p class=\"wp-block-paragraph\">Les prochaines publications des <strong>PMI \u00ab flash \u00bb<\/strong> du Royaume-Uni et des \u00c9tats-Unis donneront un signal pr\u00e9liminaire sur l\u2019activit\u00e9 des entreprises et l\u2019\u00e9conomie. Ces chiffres peuvent influencer les attentes concernant les prochaines d\u00e9cisions de <strong>politique mon\u00e9taire<\/strong> (niveau des taux d\u2019int\u00e9r\u00eat et autres mesures des banques centrales).<\/p>\n<p><\/p>\n\n<p><\/p>\n<p class=\"wp-block-paragraph\">Des donn\u00e9es plus solides au Royaume-Uni pourraient soutenir la livre, tandis qu\u2019un regain de vigueur des indicateurs am\u00e9ricains pourrait favoriser le dollar.<\/p>\n<p><\/p>\n\n<p><\/p>\n<h2 class=\"wp-block-heading\">Niveaux techniques \u00e0 surveiller<\/h2>\n<p><\/p>\n\n<p><\/p>\n<!-- TradingView Widget BEGIN --><div class=\"tradingview-widget-container\">  <div class=\"tradingview-widget-container__widget\"><\/div>  <div class=\"tradingview-widget-copyright\"><a href=\"https:\/\/www.tradingview.com\/symbols\/GBPUSD\/?exchange=OANDA\" rel=\"noopener nofollow\" target=\"_blank\"><span class=\"blue-text\">GBPUSD chart<\/span><\/a><span class=\"trademark\"> by TradingView<\/span><\/div>  <script type=\"text\/javascript\" src=\"https:\/\/s3.tradingview.com\/external-embedding\/embed-widget-advanced-chart.js\" async>  {  \"allow_symbol_change\": true,  \"calendar\": false,  \"details\": false,  \"hide_side_toolbar\": true,  \"hide_top_toolbar\": false,  \"hide_legend\": false,  \"hide_volume\": false,  \"hotlist\": false,  \"interval\": \"D\",  \"locale\": \"en\",  \"save_image\": true,  \"style\": \"1\",  \"symbol\": \"OANDA:GBPUSD\",  \"theme\": \"dark\",  \"timezone\": \"Etc\/UTC\",  \"backgroundColor\": \"#0F0F0F\",  \"gridColor\": \"rgba(242, 242, 242, 0.2)\",  \"watchlist\": [],  \"withdateranges\": false,  \"compareSymbols\": [],  \"support_host\": \"https:\/\/www.tradingview.com\",  \"studies\": [],  \"width\": 900,  \"height\": 500}  <\/script><\/div><!-- TradingView Widget END -->\n<p><\/p>\n\n<p><\/p>\n<figure class=\"wp-block-table\"><table><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>Niveau<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>Zone de prix<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>Importance<\/strong><\/td><\/tr><tr><td>R\u00e9sistance 1<\/td><td>1,3365<\/td><td>R\u00e9sistance imm\u00e9diate (intrajournali\u00e8re)<\/td><\/tr><tr><td>R\u00e9sistance 2<\/td><td>1,3410<\/td><td>Niveau cl\u00e9 pour un rebond<\/td><\/tr><tr><td>R\u00e9sistance 3<\/td><td>1,3474<\/td><td>Zone de r\u00e9sistance majeure<\/td><\/tr><tr><td>Soutien 1<\/td><td>1,3345<\/td><td>Zone de soutien actuelle<\/td><\/tr><tr><td>Soutien 2<\/td><td>1,3255<\/td><td>Prochain objectif \u00e0 la baisse<\/td><\/tr><tr><td>Soutien 3<\/td><td>1,3194<\/td><td>Zone cl\u00e9 de soutien de <strong>Fibonacci<\/strong> (outil d\u2019analyse technique bas\u00e9 sur des proportions utilis\u00e9es pour rep\u00e9rer des zones possibles de rebond)<\/td><\/tr><\/tbody><\/table><\/figure>\n<p><\/p>\n\n<p><\/p>\n<p class=\"wp-block-paragraph\">Le GBP\/USD teste pr\u00e9sentement la <strong>zone de soutien \u00e0 1,3345<\/strong>, un niveau charni\u00e8re pour la suite. Si ce niveau tient, les acheteurs pourraient viser <strong>1,3410<\/strong> puis <strong>1,3474<\/strong>.<\/p>\n<p><\/p>\n\n<p><\/p>\n<p class=\"wp-block-paragraph\">\u00c0 l\u2019inverse, une cassure sous ce soutien pourrait confirmer un retour de la pression vendeuse et ouvrir la voie vers <strong>1,3255<\/strong> puis <strong>1,3194<\/strong>.<\/p>\n<p><\/p>\n\n<p><\/p>\n<h2 class=\"wp-block-heading\">Sc\u00e9narios haussier et baissier<\/h2>\n<p><\/p>\n\n<p><\/p>\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.vtmarkets.com\/wp-content\/uploads\/2026\/09\/codeYTUzZDJhODk5MmQyNmY2YTIyNDY0NjEwYjliYzQ1YzRfUlMyb09PMWk2dDllbVZqcjcwcHBTaUFIMEVxR1BtMWNfVG9rZW46TmpJbWJuTm1rb1lOS094MVBCWWxKMzZFZ1FlXzE3ODk3MDM1NjM6MTc4OTcwNzE2M19WNAampadd_watermarktrueampscene_typeCCM.png\" alt=\"\"\/><\/figure>\n<p><\/p>\n\n<p><\/p>\n<figure class=\"wp-block-table\"><table><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>Sc\u00e9nario<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>Condition<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>Niveaux cl\u00e9s<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>Mouvement potentiel<\/strong><\/td><\/tr><tr><td>Sc\u00e9nario haussier<\/td><td>Les acheteurs d\u00e9fendent le soutien et ram\u00e8nent le prix au-dessus de la r\u00e9sistance<\/td><td>Tenir au-dessus de 1,3345; franchir 1,3365<\/td><td>Rebond vers 1,3410, puis 1,3474 si l\u2019\u00e9lan se renforce<\/td><\/tr><tr><td>Sc\u00e9nario baissier<\/td><td>Les vendeurs reprennent la main apr\u00e8s la cassure du soutien<\/td><td>Cassure sous 1,3345<\/td><td>Poursuite de la baisse vers 1,3255, puis 1,3194 comme prochain soutien majeur<\/td><\/tr><\/tbody><\/table><\/figure>\n<p><\/p>\n\n<p><\/p>\n<p class=\"wp-block-paragraph\">Dans un sc\u00e9nario haussier, le GBP\/USD pourrait tenter un rebond si les acheteurs d\u00e9fendent la <strong>zone de soutien \u00e0 1,3345<\/strong> et ram\u00e8nent le prix au-dessus de <strong>1,3365<\/strong>. Les <strong>indicateurs de momentum<\/strong> (outils qui mesurent la force et la vitesse du mouvement des prix) devraient confirmer une am\u00e9lioration de la pression acheteuse pour que le rebond se prolonge.<\/p>\n<p><\/p>\n\n<p><\/p>\n<p class=\"wp-block-paragraph\">Dans un sc\u00e9nario baissier, une cassure sous <strong>1,3345<\/strong> indiquerait que les vendeurs gardent le contr\u00f4le, ce qui augmente le risque d\u2019un mouvement vers <strong>1,3255<\/strong>. Une faiblesse sous ce niveau pourrait prolonger la correction de septembre.<\/p>\n<p><\/p>\n\n<p><\/p>\n<p class=\"wp-block-paragraph\"><em>Avis de non-responsabilit\u00e9<\/em><\/p>\n<p><\/p>\n\n<p><\/p>\n<p class=\"wp-block-paragraph\"><em>Les niveaux de prix et les sc\u00e9narios pr\u00e9sent\u00e9s refl\u00e8tent l\u2019analyse de l\u2019auteur au moment de la r\u00e9daction. Ils ne constituent pas un conseil financier ni une recommandation officielle de VT Markets. Faites votre propre analyse et g\u00e9rez le risque avec rigueur.<\/em><\/p>\n<p><\/p>\n\n<p><\/p>\n<h1 class=\"wp-block-heading\">Pr\u00e9vision GBP\/USD : et maintenant?<\/h1>\n<p><\/p>\n\n<p><\/p>\n<p class=\"wp-block-paragraph\">Le GBP\/USD se trouve \u00e0 un point charni\u00e8re apr\u00e8s sa r\u00e9cente baisse. La suite d\u00e9pendra surtout de la capacit\u00e9 des acheteurs \u00e0 d\u00e9fendre les soutiens actuels.<\/p>\n<p><\/p>\n\n<p><\/p>\n<p class=\"wp-block-paragraph\">Les PMI \u00ab flash \u00bb de l\u2019industrie manufacturi\u00e8re et des services seront publi\u00e9s au Royaume-Uni et aux \u00c9tats-Unis le 23. Ils donneront des indices importants sur la sant\u00e9 de l\u2019\u00e9conomie et peuvent influencer le taux de change entre la livre et le dollar.<\/p>\n<p><\/p>\n\n<p><\/p>\n<p class=\"wp-block-paragraph\">Si le PMI du Royaume-Uni est faible, cela sugg\u00e8re un ralentissement, ce qui peut peser sur la livre face au dollar am\u00e9ricain. \u00c0 l\u2019inverse, un PMI solide indique une \u00e9conomie plus r\u00e9sistante et pourrait soutenir la livre.<\/p>\n<p><\/p>\n\n<p><\/p>\n<p class=\"wp-block-paragraph\">Les donn\u00e9es PMI am\u00e9ricaines ont un effet comparable sur le dollar et peuvent donc faire bouger le taux GBP\/USD.<\/p>\n<p><\/p>\n\n<p><\/p>\n<h2 class=\"wp-block-heading\">N\u00e9gocier le GBP\/USD avec VT Markets<\/h2>\n<p><\/p>\n\n<p><\/p>\n<p class=\"wp-block-paragraph\">N\u00e9gociez le GBP\/USD avec des <strong>\u00e9carts<\/strong> concurrentiels (diff\u00e9rence entre le prix d\u2019achat et le prix de vente), des options de <strong>levier<\/strong> flexibles (emprunt pour augmenter l\u2019exposition, ce qui amplifie gains et pertes) et des plateformes con\u00e7ues pour le march\u00e9 des devises.<\/p>\n<p><\/p>\n\n<p><\/p>\n<p class=\"wp-block-paragraph\">Acc\u00e9dez au GBP\/USD via MetaTrader 4, MetaTrader 5 et l\u2019application VT Markets.<\/p>\n<p><\/p>\n\n<p><\/p>\n<details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary><strong>FAQ<\/strong><\/summary>\n<h3 class=\"wp-block-heading\">Pourquoi le GBP\/USD recule?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Le GBP\/USD a baiss\u00e9 apr\u00e8s avoir \u00e9chou\u00e9 \u00e0 franchir des r\u00e9sistances plus \u00e9lev\u00e9es. En septembre, les vendeurs ont pris l\u2019avantage. La paire teste maintenant des zones techniques de soutien importantes.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Quels niveaux surveiller sur le GBP\/USD?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u00c0 la hausse : <strong>1,3410<\/strong> et <strong>1,3474<\/strong>. \u00c0 la baisse : <strong>1,3345<\/strong>, <strong>1,3255<\/strong> et <strong>1,3194<\/strong>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Qu\u2019est-ce qui pourrait faire bouger le GBP\/USD ensuite?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Les prochains PMI du Royaume-Uni et des \u00c9tats-Unis pourraient modifier les attentes de croissance et influencer la force relative de la livre sterling et du dollar am\u00e9ricain.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Le GBP\/USD est-il haussier ou baissier?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Le GBP\/USD montre une pression baissi\u00e8re \u00e0 court terme, car il se n\u00e9gocie sous les r\u00e9sistances r\u00e9centes. Un retour au-dessus des r\u00e9sistances cl\u00e9s serait n\u00e9cessaire pour am\u00e9liorer la perspective \u00e0 court terme.<\/p>\n<\/details>\n<p><\/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>Alerte FX : le GBP\/USD a gliss\u00e9 de 2,5 % depuis son sommet d\u2019ao\u00fbt et teste un soutien crucial \u00e0 1,3345. Les PMI UK\/US pourraient d\u00e9clencher rebond vers 1,3410-1,3474 ou chute vers 1,3255-1,3194.<\/p>\n","protected":false},"author":87,"featured_media":68589,"comment_status":"","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[28],"tags":[],"class_list":["post-68590","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-analysis"],"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 FX : le GBP\/USD a gliss\u00e9 de 2,5 % depuis son sommet d\u2019ao\u00fbt et teste un soutien crucial \u00e0 1,3345. 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