{"id":10454,"date":"2025-09-18T08:30:34","date_gmt":"2025-09-18T08:30:34","guid":{"rendered":"https:\/\/www.coinspeaker.com\/fr\/?p=10454"},"modified":"2025-09-18T08:30:34","modified_gmt":"2025-09-18T08:30:34","slug":"live-baisse-de-taux-fed-bitcoin-ethereum-altseason-actualite-18-septembre-2025","status":"publish","type":"post","link":"https:\/\/www.coinspeaker.com\/fr\/live-baisse-de-taux-fed-bitcoin-ethereum-altseason-actualite-18-septembre-2025\/","title":{"rendered":"LIVE &#8211; Baisse de taux de la FED, Bitcoin, Ethereum, Altseason &#8211; Toute l&rsquo;actualit\u00e9 du 18 septembre 2025"},"content":{"rendered":"<h2><strong>La Fed baisse (enfin), mais reste sur ses gardes<\/strong><\/h2>\n<p>C\u2019est d\u00e9sormais act\u00e9 : <strong>le taux directeur de la <a href=\"https:\/\/www.federalreserve.gov\/\" target=\"_blank\" rel=\"\">R\u00e9serve f\u00e9d\u00e9rale<\/a> est pass\u00e9 de 4,25 \u2013 4,50\u202f% \u00e0 4,00 &#8211; 4,25\u202f%<\/strong>, avec une<strong> baisse de 25 points de base<\/strong> vot\u00e9e mercredi. Le comit\u00e9 reste toutefois partag\u00e9 : un gouverneur a plaid\u00e9 pour une coupe plus agressive de 50 points, signe que le consensus est fragile.<\/p>\n<p>Le message reste toutefois mesur\u00e9 : <strong>d\u2019autres baisses sont envisageables d\u2019ici fin 2025<\/strong>, mais la Fed maintient la r\u00e9duction de son bilan et ne veut pas pr\u00e9cipiter les choses. Les march\u00e9s esp\u00e9raient un discours plus accommodant, mais devront se contenter d\u2019un rythme de baisse des taux plus lent et mesur\u00e9.<\/p>\n<h2><strong>Bitcoin respire et Ethereum surperforme<\/strong><\/h2>\n<p>\u00c0 l\u2019annonce, <a href=\"https:\/\/coinmarketcap.com\/currencies\/bitcoin\/\" target=\"_blank\" rel=\"\">Bitcoin<\/a> a connu une br\u00e8ve phase d\u2019h\u00e9sitation, avec des allers-retours rapides, avant de repartir \u00e0 la hausse vers 117\/118\u202f000\u202f$ au cours de la nuit. Les volumes ont repris, l\u2019open interest s\u2019est redress\u00e9, mais l\u2019\u00e9lan reste mesur\u00e9. <a href=\"https:\/\/coinmarketcap.com\/currencies\/ethereum\/\" target=\"_blank\" rel=\"\">Ethereum<\/a>, lui, a mieux profit\u00e9 de l\u2019annonce : <strong>+3\u202f% sur 224 havec un rebond au-dessus des 4\u202f600\u202f$<\/strong>.<\/p>\n<p>Si la <a href=\"https:\/\/www.coinspeaker.com\/fr\/fed-baisser-taux\/\" rel=\"\">Fed<\/a> n\u2019a pas d\u00e9clench\u00e9 de raz de mar\u00e9e, <strong>les altcoins commencent tout de m\u00eame \u00e0 se r\u00e9veiller<\/strong>. <strong>Ethereum sur performe donc<\/strong>, certaines altcoins comme <strong>SOL, DOGE ou AVAX<\/strong> <strong>prennent de l\u2019avance,<\/strong> et les volumes repartent progressivement. <strong>La dominance de Bitcoin reste \u00e9lev\u00e9e<\/strong>,<strong> mais<\/strong> <strong>l\u2019\u00e9cart se resserre<\/strong>. \u00c0 voir si les choses se confirment dans les prochains jours.<\/p>\n<hr \/>\n<p>\u00c0 lire aussi :<\/p>\n<ul>\n<li><a href=\"https:\/\/www.coinspeaker.com\/fr\/fed-baisser-taux\/\">La FED va-t-elle enfin baisser les taux ?<\/a><\/li>\n<li><a href=\"https:\/\/www.coinspeaker.com\/fr\/altcoins-surveiller\/\">Altcoins \u00e0 surveiller : quelles sont les meilleures opportunit\u00e9s du moment ?<\/a><\/li>\n<li><a href=\"https:\/\/www.coinspeaker.com\/fr\/live-verdict-fed-bitcoin-xrp-ethereum-actualite-17-septembre-2025\/\">LIVE &#8211; Verdict de la FED, Bitcoin, XRP, Ethereum\u2026 &#8211; Toute l\u2019actualit\u00e9 du 17 septembre 2025<\/a><\/li>\n<\/ul>\n<a class=\"infinscroll_next_page_link\" style=\"display:none\" href=\"https:\/\/www.coinspeaker.com\/fr\/grok-predit-memecoin-enflammer-crypto\/\" rel=\"prev\">next<\/a>","protected":false},"excerpt":{"rendered":"<p>La premi\u00e8re baisse de taux depuis un an est tomb\u00e9e hier soir. Soulagement ? Oui. Euphorie ? Pas encore. Le march\u00e9 crypto encaisse la nouvelle avec prudence : Bitcoin monte, Ethereum acc\u00e9l\u00e8re, les altcoins h\u00e9sitent. L\u2019Altseason, elle, attend toujours son top d\u00e9part.<\/p>\n","protected":false},"author":264,"featured_media":10463,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1,42],"tags":[],"class_list":["post-10454","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-actu","category-reglementation"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>LIVE - Baisse de taux de la FED, Bitcoin, Ethereum, Altseason - Toute l&#039;actualit\u00e9 du 18 septembre 2025<\/title>\n<meta name=\"description\" content=\"La Fed baisse enfin ses taux, Bitcoin et Ethereum r\u00e9agissent prudemment, les altcoins suivent sans emballement. 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Issu d\u2019une formation en business et passionn\u00e9e par l\u2019univers d\u00e9centralis\u00e9, elle explore les mutations technologiques, les enjeux \u00e9conomiques et les mouvements soci\u00e9taux li\u00e9s aux cryptomonnaies. Forte de plusieurs ann\u00e9es d\u2019exp\u00e9rience dans la r\u00e9daction de contenus web, elle s\u2019est progressivement tourn\u00e9e vers l\u2019univers des actifs num\u00e9riques, avec un int\u00e9r\u00eat marqu\u00e9 pour les dynamiques g\u00e9opolitiques et macro\u00e9conomiques qui fa\u00e7onnent ce secteur en constante mutation. 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