{"id":168497,"date":"2025-09-22T13:30:00","date_gmt":"2025-09-22T13:30:00","guid":{"rendered":"https:\/\/cryptonews.com\/fr\/?p=168497"},"modified":"2025-09-22T13:30:00","modified_gmt":"2025-09-22T13:30:00","slug":"bitcoin-ethereum-chutent-altseason-menacee","status":"publish","type":"post","link":"https:\/\/cryptonews.com\/fr\/news\/bitcoin-ethereum-chutent-altseason-menacee\/","title":{"rendered":"Crypto sous pression : Bitcoin et Ethereum sous leurs supports, l\u2019altseason menac\u00e9e ?"},"content":{"rendered":"<p>La journ\u00e9e d\u00e9marre dans le rouge pour le march\u00e9 des cryptomonnaies. Le bitcoin chute \u00e0 112 489 $, tandis que l\u2019ether recule \u00e0 4 166 $, ce qui confirme la cassure de niveaux techniques d\u00e9cisifs. Cette faiblesse des deux piliers du march\u00e9 entra\u00eene un repli marqu\u00e9 sur l\u2019ensemble des altcoins, alors que de nombreux investisseurs redoutaient d\u00e9j\u00e0 un retournement de tendance. L\u2019hypoth\u00e8se d\u2019une altseason durable semble compromise.<\/p><h2 class=\"wp-block-heading\"><strong>BTC et ETH cassent leurs supports : un signal technique inqui\u00e9tant<\/strong><\/h2><span class=\"replacer\"><\/span><p>Le bitcoin a enfonc\u00e9 le seuil psychologique des <strong>113 000 $<\/strong> ce lundi, pour revenir bri\u00e8vement \u00e0 <strong>112 489 $<\/strong>. Ce mouvement confirme la perte d\u2019un support cl\u00e9, souvent d\u00e9fendu par les acheteurs au cours des derni\u00e8res semaines.<\/p><figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"501\" src=\"https:\/\/cimg.co\/wp-content\/uploads\/sites\/3\/2025\/09\/22110842\/Capture-decran-2025-09-22-a-12.38.39-1024x501.jpg\" alt=\"\" class=\"wp-image-168499\" srcset=\"https:\/\/cimg.co\/wp-content\/uploads\/sites\/3\/2025\/09\/22110842\/Capture-decran-2025-09-22-a-12.38.39-1024x501.jpg 1024w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/3\/2025\/09\/22110842\/Capture-decran-2025-09-22-a-12.38.39-300x147.jpg 300w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/3\/2025\/09\/22110842\/Capture-decran-2025-09-22-a-12.38.39-768x376.jpg 768w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/3\/2025\/09\/22110842\/Capture-decran-2025-09-22-a-12.38.39-130x63.jpg 130w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/3\/2025\/09\/22110842\/Capture-decran-2025-09-22-a-12.38.39-1536x752.jpg 1536w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/3\/2025\/09\/22110842\/Capture-decran-2025-09-22-a-12.38.39-2048x1003.jpg 2048w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/3\/2025\/09\/22110842\/Capture-decran-2025-09-22-a-12.38.39-450x220.jpg 450w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\"><\/figure><p>La dynamique haussi\u00e8re engag\u00e9e apr\u00e8s le pic \u00e0 117 000 $ la semaine pass\u00e9e para\u00eet d\u00e9sormais <strong>fragilis\u00e9e<\/strong>. Cela laisse craindre une poursuite du repli vers les 110 000 $. Certains analystes vont jusqu\u2019\u00e0 estimer que si ce niveau c\u00e8de, on peut envisager un retour vers 108 000 $.<\/p><p><a href=\"https:\/\/cryptonews.com\/fr\/coins\/ethereum\/\">Ethereum<\/a> \u00e9volue d\u00e9sormais autour de <strong>4 166 $<\/strong>. Juste au-dessus se situe son support cl\u00e9 des <strong>4 200 $<\/strong>, une barri\u00e8re importante. Une cassure nette de ce seuil pourrait pr\u00e9cipiter l\u2019actif en direction des <strong>4 000 $<\/strong>, o\u00f9 se situe le prochain point d\u2019appui. L\u2019ether \u00e9tait pourtant bien parti ces derni\u00e8res semaines, port\u00e9 par les entr\u00e9es dans les ETF et l\u2019optimisme li\u00e9 \u00e0 son r\u00f4le dans la tokenisation d\u2019actifs. Le contraste entre l&#8217;optimisme r\u00e9cent et le repli d&#8217;aujourd&#8217;hui renforce <strong>la brutalit\u00e9 de la correction<\/strong>.<\/p><figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"492\" src=\"https:\/\/cimg.co\/p\/no_image.svg\" alt=\"\" class=\"wp-image-168498 lazyload\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" data-src=\"https:\/\/cimg.co\/wp-content\/uploads\/sites\/3\/2025\/09\/22110833\/Capture-decran-2025-09-22-a-12.38.49-1024x492.jpg\" data-srcset=\"https:\/\/cimg.co\/wp-content\/uploads\/sites\/3\/2025\/09\/22110833\/Capture-decran-2025-09-22-a-12.38.49-1024x492.jpg 1024w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/3\/2025\/09\/22110833\/Capture-decran-2025-09-22-a-12.38.49-300x144.jpg 300w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/3\/2025\/09\/22110833\/Capture-decran-2025-09-22-a-12.38.49-768x369.jpg 768w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/3\/2025\/09\/22110833\/Capture-decran-2025-09-22-a-12.38.49-130x63.jpg 130w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/3\/2025\/09\/22110833\/Capture-decran-2025-09-22-a-12.38.49-1536x738.jpg 1536w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/3\/2025\/09\/22110833\/Capture-decran-2025-09-22-a-12.38.49-2048x983.jpg 2048w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/3\/2025\/09\/22110833\/Capture-decran-2025-09-22-a-12.38.49-450x216.jpg 450w\"><\/figure><p>Ces reculs simultan\u00e9s des deux principales cryptomonnaies montrent l\u2019\u00e9vidence. La tendance haussi\u00e8re imm\u00e9diate est en pause, voire menac\u00e9e. La psychologie de march\u00e9 bascule doucement d\u2019un optimisme prudent \u00e0 un climat de m\u00e9fiance.<\/p><h2 class=\"wp-block-heading\"><strong>Altcoins dans la tourmente : l\u2019altseason s\u2019\u00e9loigne<\/strong><\/h2><span class=\"replacer\"><\/span><p>L\u2019affaiblissement de <a href=\"https:\/\/www.coingecko.com\/fr\/coins\/bitcoin\" target=\"_blank\" rel=\"noreferrer noopener\">BTC<\/a> et d\u2019ETH a entra\u00een\u00e9 une r\u00e9action en cha\u00eene sur les altcoins. Solana, Cardano, Sui et Polkadot ont chacun recul\u00e9 de 7,7 \u00e0 8,1% en 24h. Le DOGE, quant \u00e0 lui, chute de 10%. L\u2019effet domino semble toucher l\u2019ensemble du march\u00e9.<\/p><p>Les donn\u00e9es de CoinGlass confirment <strong>une vague de liquidations massives<\/strong> : plus de <strong>1,7 milliard de dollars de positions<\/strong> ont \u00e9t\u00e9 <a href=\"https:\/\/www.coinglass.com\/LiquidationData\" target=\"_blank\" rel=\"noreferrer noopener\">effac\u00e9es sur le march\u00e9<\/a> en 24 heures, dont l\u2019\u00e9crasante majorit\u00e9 concernait des positions longues. Au total, plus de 400 000 traders ont \u00e9t\u00e9 liquid\u00e9s sur la p\u00e9riode. Ces chiffres illustrent l\u2019ampleur d\u2019un krach \u00e9clair.<\/p><figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"355\" src=\"https:\/\/cimg.co\/p\/no_image.svg\" alt=\"\" class=\"wp-image-168500 lazyload\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" data-src=\"https:\/\/cimg.co\/wp-content\/uploads\/sites\/3\/2025\/09\/22110953\/Capture-decran-2025-09-22-a-10.42.43-1024x355.jpg\" data-srcset=\"https:\/\/cimg.co\/wp-content\/uploads\/sites\/3\/2025\/09\/22110953\/Capture-decran-2025-09-22-a-10.42.43-1024x355.jpg 1024w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/3\/2025\/09\/22110953\/Capture-decran-2025-09-22-a-10.42.43-300x104.jpg 300w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/3\/2025\/09\/22110953\/Capture-decran-2025-09-22-a-10.42.43-768x266.jpg 768w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/3\/2025\/09\/22110953\/Capture-decran-2025-09-22-a-10.42.43-1536x533.jpg 1536w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/3\/2025\/09\/22110953\/Capture-decran-2025-09-22-a-10.42.43-2048x711.jpg 2048w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/3\/2025\/09\/22110953\/Capture-decran-2025-09-22-a-10.42.43-450x156.jpg 450w\"><\/figure><p>La plus grosse liquidation isol\u00e9e enregistr\u00e9e concerne un ordre BTC-USDT de 12,7 millions de dollars sur OKX. La preuve que m\u00eame <strong>les positions institutionnelles ou semi-institutionnelles n\u2019ont pas \u00e9t\u00e9 \u00e9pargn\u00e9es<\/strong>.<\/p><p>Cette m\u00e9canique est bien connue. Lorsque le bitcoin casse un support, les altcoins amplifient le mouvement en raison de leur moindre liquidit\u00e9 et de leur d\u00e9pendance au sentiment g\u00e9n\u00e9ral. <strong>L\u2019espoir d\u2019une altseason semble s\u2019\u00e9loigner<\/strong> \u00e0 mesure que les deux leaders reculent. Et la prudence reprend le dessus. Certains analystes rappellent que les altseasons ne se produisent que lorsque BTC se stabilise durablement et attire de nouveaux capitaux frais. Mais dans la configuration actuelle, les flux entrants ralentissent, ce qui rend ce sc\u00e9nario improbable \u00e0 court terme.<\/p><h2 class=\"wp-block-heading\"><strong>Pepenode : un pari communautaire en qu\u00eate de traction<\/strong><\/h2><span class=\"replacer\"><\/span><p>En temps de doute sur les march\u00e9s, une partie des investisseurs d\u00e9laisse les grandes capitalisations pour miser sur des actifs beaucoup plus instables, dans l\u2019espoir de tirer profit de secousses rapides. <a href=\"https:\/\/cryptonews.com\/fr\/ext\/pepenodefr\/\" target=\"_blank\" rel=\"noreferrer noopener sponsored nofollow\">Pepenode<\/a> s\u2019inscrit dans cette logique. Le memecoin cherche \u00e0 se distinguer moins par sa technologie que par l\u2019enthousiasme de sa communaut\u00e9.<\/p><p>Le projet reprend les codes des tokens viraux. Il se construit un noyau d\u2019utilisateurs pour amplifier le mouvement par effet d\u2019entra\u00eenement. Plut\u00f4t que des fondamentaux solides, c\u2019est cette communaut\u00e9 qui alimente <a href=\"https:\/\/cryptonews.com\/fr\/news\/pepenode-12-million-dollars-ico-cloture-24h\/\">son potentiel sp\u00e9culatif<\/a>. Les memecoins ont d\u00e9j\u00e0 montr\u00e9 par le pass\u00e9 qu\u2019ils pouvaient surprendre lors de phases de march\u00e9 impr\u00e9visibles, et Pepenode tente de s\u2019engouffrer dans cette br\u00e8che.<\/p><div style=\"background: #920047;margin: auto;width: 50%;text-align: center;padding:8px;border-radius:5px;background-image:linear-gradient(107deg,#930046,#59008a);color: white;padding-left: 1em;padding-right: 1em;font-size: 16px\"><a style=\"text-decoration:none;color:white\" href=\"https:\/\/cryptonews.com\/fr\/ext\/pepenodefr\/\" target=\"_blank\" rel=\"nofollow noindex\">D\u00e9couvrez Pepenode<\/a><\/div><p class=\"disclaimer-rw\" style=\"text-align: center\"><em>Les crypto-actifs repr\u00e9sentent un investissement risqu\u00e9.<\/em><\/p><hr class=\"wp-block-separator has-alpha-channel-opacity\"><p>Source : <a href=\"https:\/\/www.coinglass.com\/LiquidationData\" target=\"_blank\" rel=\"noreferrer noopener\">Coinglass<\/a><\/p><hr class=\"wp-block-separator has-alpha-channel-opacity\"><p class=\"disclaimer-rw\"><em>Les informations pr\u00e9sent\u00e9es dans cet article ne constituent en aucun cas un conseil en investissement. Elles sont fournies \u00e0 des fins exclusivement informatives. Le march\u00e9 des crypto-actifs demeure hautement volatil et comporte des risques significatifs de pertes. Il est recommand\u00e9 aux lecteurs de n\u2019investir que les montants qu\u2019ils peuvent se permettre de perdre, et de proc\u00e9der \u00e0 leurs propres recherches avant toute prise de position sur les march\u00e9s.<\/em><\/p><hr class=\"wp-block-separator has-alpha-channel-opacity\"><p>Pour aller plus loin sur le sujet :<\/p><ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/cryptonews.com\/fr\/news\/pepenode-12-million-dollars-ico-cloture-24h\/\">PepeNode d\u00e9passe les 1,2 million de dollars lors de son ICO \u2013 Cl\u00f4ture dans 24h<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/cryptonews.com\/fr\/news\/baisse-marche-crypto-liquidations-actualite-bitcoin-ethereum\/\">Actualit\u00e9 Crypto : Baisse du march\u00e9, liquidation bitcoin et ethereum, altcoins, XRP, ASTER\u2026<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/cryptonews.com\/fr\/news\/bitcoin-supply-shock-2025\/\">Bitcoin atteint un record historique d\u2019illiquidit\u00e9, un choc de l\u2019offre en pr\u00e9paration<\/a><\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>La journ\u00e9e d\u00e9marre dans le rouge pour le march\u00e9 des cryptomonnaies. Le bitcoin chute \u00e0 112 489 $, tandis que l\u2019ether recule \u00e0 4 166 $, ce qui confirme la cassure de niveaux techniques d\u00e9cisifs. Cette faiblesse des deux piliers du march\u00e9 entra\u00eene un repli marqu\u00e9 sur l\u2019ensemble des altcoins, alors que de nombreux investisseurs [&hellip;]<\/p>\n","protected":false},"author":697,"featured_media":168502,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[2106],"tags":[],"editors":[2551],"sponsored_companies":[],"class_list":["post-168497","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-price-predictions","editors-julien-leroy"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Crypto sous pression : Bitcoin et Ethereum chutent, l\u2019altseason menac\u00e9e ?<\/title>\n<meta name=\"description\" content=\"La journ\u00e9e d\u00e9marre dans le rouge pour le march\u00e9 des cryptomonnaies. 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