{"id":68576,"date":"2026-09-18T05:55:21","date_gmt":"2026-09-18T05:55:21","guid":{"rendered":"https:\/\/www.vtmarkets.com\/fr-eu\/uncategorized\/gbp-usd-forecast-sterling-tests-key-support-after-september-sell-off\/"},"modified":"2026-09-18T05:55:21","modified_gmt":"2026-09-18T05:55:21","slug":"gbp-usd-forecast-sterling-tests-key-support-after-september-sell-off","status":"publish","type":"post","link":"https:\/\/www.vtmarkets.com\/fr-eu\/analysis\/gbp-usd-forecast-sterling-tests-key-support-after-september-sell-off\/","title":{"rendered":"Pr\u00e9visions GBP\/USD : la livre sterling teste un support cl\u00e9 apr\u00e8s la vague de ventes de septembre"},"content":{"rendered":"\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\n\n\n<p class=\"wp-block-paragraph\"><strong>Points cl\u00e9s<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Le GBP\/USD a recul\u00e9 d\u2019environ <strong>2,5 % par rapport \u00e0 son plus haut d\u2019ao\u00fbt<\/strong>, apr\u00e8s une cassure sous la zone d\u2019ouverture de septembre.<\/li>\n\n\n\n<li>La livre sterling s\u2019approche d\u2019une zone de <strong>support<\/strong> importante (niveau o\u00f9 les achats freinent souvent la baisse), apr\u00e8s avoir \u00e9chou\u00e9 \u00e0 se maintenir au-dessus des derni\u00e8res <strong>r\u00e9sistances<\/strong> (niveaux o\u00f9 les ventes bloquent souvent la hausse).<\/li>\n\n\n\n<li>La paire reste sous sa <strong>moyenne mobile<\/strong> de court terme (moyenne des prix r\u00e9cents, utilis\u00e9e pour mesurer la tendance), ce qui traduit une pression vendeuse persistante.<\/li>\n\n\n\n<li>Les prochaines statistiques <strong>PMI<\/strong> au Royaume-Uni et aux \u00c9tats-Unis pourraient guider le mouvement, alors que les op\u00e9rateurs r\u00e9\u00e9valuent la dynamique de l\u2019activit\u00e9.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Mouvement de march\u00e9<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Le <strong>GBP\/USD<\/strong> \u00e9volue autour de <strong>1,3358<\/strong>, apr\u00e8s un l\u00e9ger rebond technique (petite reprise apr\u00e8s une baisse).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">La paire peine \u00e0 s\u2019installer au-dessus de la zone <strong>1,3360\u20131,3365<\/strong>, o\u00f9 les pr\u00e9c\u00e9dents rebonds ont but\u00e9 sur une r\u00e9sistance.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Un retour au-dessus des r\u00e9sistances cl\u00e9s serait n\u00e9cessaire pour am\u00e9liorer la lecture \u00e0 court terme.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Pourquoi le march\u00e9 surveille<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Les r\u00e9unions de politique mon\u00e9taire de la R\u00e9serve f\u00e9d\u00e9rale (Fed) et de la Banque d\u2019Angleterre \u00e9tant pass\u00e9es, l\u2019attention se tourne vers les indicateurs \u00e9conomiques, pour juger de la croissance et des prochaines orientations du march\u00e9.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Les prochaines publications des <strong>PMI \u201cflash\u201d<\/strong> au Royaume-Uni et aux \u00c9tats-Unis (enqu\u00eates pr\u00e9liminaires aupr\u00e8s des entreprises, qui donnent une indication rapide de l\u2019activit\u00e9 dans l\u2019industrie et les services) fourniront des signaux sur l\u2019activit\u00e9, susceptibles d\u2019influencer les anticipations de politique mon\u00e9taire.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Des chiffres britanniques solides pourraient soutenir la livre, tandis qu\u2019une am\u00e9lioration des indicateurs am\u00e9ricains pourrait favoriser le dollar.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Niveaux techniques \u00e0 surveiller<\/h2>\n\n\n\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\n\n\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>Interpr\u00e9tation<\/strong><\/td><\/tr><tr><td>R\u00e9sistance 1<\/td><td>1.3365<\/td><td>R\u00e9sistance imm\u00e9diate en s\u00e9ance (niveau susceptible de bloquer une hausse \u00e0 court terme)<\/td><\/tr><tr><td>R\u00e9sistance 2<\/td><td>1.341<\/td><td>Niveau cl\u00e9 de reprise (au-dessus, le rebond gagne en cr\u00e9dibilit\u00e9)<\/td><\/tr><tr><td>R\u00e9sistance 3<\/td><td>1.3474<\/td><td>Zone de r\u00e9sistance majeure (niveau important o\u00f9 les ventes peuvent se renforcer)<\/td><\/tr><tr><td>Support 1<\/td><td>1.3345<\/td><td>Zone de support actuelle (niveau o\u00f9 la baisse peut ralentir)<\/td><\/tr><tr><td>Support 2<\/td><td>1.3255<\/td><td>Objectif baissier suivant<\/td><\/tr><tr><td>Support 3<\/td><td>1.3194<\/td><td>Support bas\u00e9 sur <strong>Fibonacci<\/strong> (outil de rep\u00e9rage de supports\/r\u00e9sistances \u00e0 partir de ratios math\u00e9matiques)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Le GBP\/USD teste la <strong>zone de support 1,3345<\/strong>, point de bascule pour le prochain mouvement. Si ce niveau tient, les acheteurs pourraient viser <strong>1,3410<\/strong> puis <strong>1,3474<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u00c0 l\u2019inverse, une cassure sous le support pourrait confirmer le retour des vendeurs et ouvrir la voie vers <strong>1,3255<\/strong> puis <strong>1,3194<\/strong>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Sc\u00e9narios haussier et baissier<\/h2>\n\n\n\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\n\n\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 possible<\/strong><\/td><\/tr><tr><td>Sc\u00e9nario haussier<\/td><td>Les acheteurs d\u00e9fendent le support et franchissent 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 rupture du support<\/td><td>Cassure sous 1,3345<\/td><td>Baisse vers 1,3255, avec 1,3194 comme support suivant<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">En sc\u00e9nario haussier, le GBP\/USD pourrait repartir si les acheteurs d\u00e9fendent <strong>1,3345<\/strong> et repassent au-dessus de <strong>1,3365<\/strong>. Les <strong>indicateurs de momentum<\/strong> (outils qui mesurent la force du mouvement) devraient confirmer un retour de la pression acheteuse.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">En sc\u00e9nario baissier, une cassure sous <strong>1,3345<\/strong> sugg\u00e9rerait que les vendeurs gardent le contr\u00f4le, avec un risque de repli vers <strong>1,3255<\/strong>. Un passage sous ce niveau prolongerait la correction de septembre.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><em>Avertissement<\/em><\/p>\n\n\n\n<h1 class=\"wp-block-heading\">Pr\u00e9vision GBP\/USD : quelle suite ?<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Le GBP\/USD reste sur un niveau charni\u00e8re apr\u00e8s son r\u00e9cent repli. La prochaine direction d\u00e9pendra de la capacit\u00e9 des acheteurs \u00e0 d\u00e9fendre les supports actuels.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Les <strong>PMI flash<\/strong> de l\u2019industrie manufacturi\u00e8re et des services seront publi\u00e9s au Royaume-Uni et aux \u00c9tats-Unis le 23. Ces enqu\u00eates donnent une lecture rapide de l\u2019activit\u00e9 et peuvent influencer la livre comme le dollar.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Un PMI britannique faible signalerait un ralentissement, ce qui peut peser sur la livre face au dollar. \u00c0 l\u2019inverse, un PMI \u00e9lev\u00e9 indiquerait une activit\u00e9 plus robuste, susceptible de soutenir la livre.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Les PMI am\u00e9ricains jouent un r\u00f4le similaire pour le dollar et, par ricochet, pour le taux de change GBP\/USD.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Trader le GBP\/USD avec VT Markets<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Tradez le GBP\/USD avec des <strong>spreads<\/strong> comp\u00e9titifs (\u00e9cart entre le prix d\u2019achat et le prix de vente), des options de <strong>levier<\/strong> flexibles (m\u00e9canisme qui permet d\u2019augmenter l\u2019exposition au march\u00e9, avec un risque accru) et des plateformes con\u00e7ues pour le march\u00e9 des changes.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Acc\u00e9dez au GBP\/USD via MetaTrader 4, MetaTrader 5 et l\u2019application VT Markets.<\/p>\n\n\n\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 baisse-t-il ?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Le GBP\/USD a recul\u00e9 apr\u00e8s avoir \u00e9chou\u00e9 \u00e0 d\u00e9passer des r\u00e9sistances. Les vendeurs ont pris l\u2019avantage en septembre et la paire teste d\u00e9sormais des supports techniques importants.<\/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 peut faire bouger le GBP\/USD ensuite ?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Les prochains PMI britanniques et am\u00e9ricains peuvent modifier les anticipations de croissance et, donc, l\u2019\u00e9quilibre de force entre la livre sterling et le dollar.<\/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\">\u00c0 court terme, le biais reste baissier tant que la paire \u00e9volue sous les r\u00e9sistances r\u00e9centes. Un franchissement des niveaux de r\u00e9sistance cl\u00e9s serait n\u00e9cessaire pour am\u00e9liorer la perspective imm\u00e9diate.<\/p>\n<\/details>\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>Sous pression, le GBP\/USD c\u00e8de 2,5% depuis son pic d\u2019ao\u00fbt et teste 1,3345: pivot d\u00e9cisif. Sous la moyenne mobile, le biais reste baissier. Les PMI flash UK\/US orienteront le prochain mouvement.<\/p>\n","protected":false},"author":87,"featured_media":68575,"comment_status":"","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[28],"tags":[],"class_list":["post-68576","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=\"Sous pression, le GBP\/USD c\u00e8de 2,5% depuis son pic d\u2019ao\u00fbt et teste 1,3345: pivot d\u00e9cisif. Sous la moyenne mobile, le biais reste baissier. 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