{"id":169258,"date":"2025-09-26T16:30:00","date_gmt":"2025-09-26T16:30:00","guid":{"rendered":"https:\/\/cryptonews.com\/fr\/?p=169258"},"modified":"2025-09-26T16:30:00","modified_gmt":"2025-09-26T16:30:00","slug":"pourquoi-marche-crypto-s-effondre-4-facteurs","status":"publish","type":"post","link":"https:\/\/cryptonews.com\/fr\/news\/pourquoi-marche-crypto-s-effondre-4-facteurs\/","title":{"rendered":"Pourquoi le march\u00e9 crypto s\u2019effondre ? Les 4 facteurs cl\u00e9s \u00e0 conna\u00eetre"},"content":{"rendered":"<p>Cette semaine, le march\u00e9 crypto est parti \u00e0 la baisse avec une force rarement vue. Bitcoin, Ethereum, XRP et les altcoins majeurs ont recul\u00e9 brusquement. Des <strong>signaux macro agressifs<\/strong> et des <strong>m\u00e9canismes techniques complexes<\/strong> ont notamment pouss\u00e9 les traders vers des vagues de <strong>liquidations massives<\/strong>. Mais au-del\u00e0 du chaos apparent, quatre grands moteurs expliquent cette correction.<\/p><h2 class=\"wp-block-heading\">Des options en passe d\u2019expirer : 23 milliards de dollars sous pression<\/h2><span class=\"replacer\"><\/span><p>Chaque trimestre, l\u2019expirations de certains groupes d\u2019option est toujours un moment sensible pour le march\u00e9. Cette fois, ce sont <strong>23 milliards $ de contrats<\/strong> sur BTC et ETH qui <a href=\"https:\/\/x.com\/Ashcryptoreal\/status\/1971258727396409592\" target=\"_blank\" rel=\"noreferrer noopener\">arrivent \u00e0 \u00e9ch\u00e9ance<\/a>.<\/p><p>Or en r\u00e8gle g\u00e9n\u00e9rale, il s\u2019agit d\u2019un facteur d\u2019explosion de volatilit\u00e9. Et pour cause, les grands acteurs cherchent g\u00e9n\u00e9ralement \u00e0 pousser les prix vers le \u201c<strong>max pain<\/strong>\u201d. Il s\u2019agit du niveau pression \u00e0 la vente o\u00f9 le maximum de contrats perdent de la valeur. Pour ce trimestre, il est estim\u00e9 \u00e0 <strong>110 000 $ pour Bitcoin<\/strong> et <strong>3 700 $ pour Ethereum<\/strong>.<\/p><p>En cons\u00e9quence, <strong>les prix sont comme attir\u00e9s vers ces zones<\/strong>. Malheureusement ce sont souvent les traders particuliers qui en font les frais pendant que les baleines profitent de l\u2019effet. C\u2019est un m\u00e9canisme bien connu mais redoutable.<\/p><h2 class=\"wp-block-heading\">Le risque de shutdown am\u00e9ricain : une ombre politique<\/h2><span class=\"replacer\"><\/span><figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"531\" src=\"https:\/\/cimg.co\/wp-content\/uploads\/sites\/3\/2025\/09\/25092245\/capitol-303298_1280-1024x531.png\" alt=\"\" class=\"wp-image-168987\" srcset=\"https:\/\/cimg.co\/wp-content\/uploads\/sites\/3\/2025\/09\/25092245\/capitol-303298_1280-1024x531.png 1024w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/3\/2025\/09\/25092245\/capitol-303298_1280-300x156.png 300w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/3\/2025\/09\/25092245\/capitol-303298_1280-768x398.png 768w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/3\/2025\/09\/25092245\/capitol-303298_1280-450x233.png 450w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/3\/2025\/09\/25092245\/capitol-303298_1280.png 1280w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\"><\/figure><p>Le deuxi\u00e8me facteur vient de Washington. Les march\u00e9s \u00e9valuent d\u00e9sormais une <a href=\"https:\/\/polymarket.com\/event\/us-government-shutdown-by-october-1\" target=\"_blank\" rel=\"noreferrer noopener\">probabilit\u00e9 de 67 %<\/a> qu\u2019un <strong>shutdown du gouvernement am\u00e9ricain<\/strong> se produise au 1er octobre.<\/p><p>Le risque est r\u00e9el et de taille. En effet, lorsque l\u2019\u00c9tat f\u00e9d\u00e9ral ferme ses portes faute de budget approuv\u00e9 par le congr\u00e8s, l\u2019\u00e9conomie ralentit. <strong>Les investisseurs fuient les actifs risqu\u00e9s<\/strong>. Historiquement, les cryptos n\u2019y \u00e9chappent pas.<\/p><p>La peur d\u2019un blocage budg\u00e9taire ajoute donc une couche d\u2019incertitude. Et dans un climat de doute, les portefeuilles se tournent vers la s\u00e9curit\u00e9. Les <strong>cryptos<\/strong> sont <strong>vendues, parfois brutalement<\/strong>. Et c\u2019est peut-\u00eatre en pr\u00e9vision de cet \u00e9v\u00e9nement que la capitalisation du march\u00e9 est en nette recul.<\/p><figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"954\" height=\"531\" src=\"https:\/\/cimg.co\/p\/no_image.svg\" alt=\"\" class=\"wp-image-169263 lazyload\" sizes=\"auto, (max-width: 954px) 100vw, 954px\" data-src=\"https:\/\/cimg.co\/wp-content\/uploads\/sites\/3\/2025\/09\/26154821\/image-159.png\" data-srcset=\"https:\/\/cimg.co\/wp-content\/uploads\/sites\/3\/2025\/09\/26154821\/image-159.png 954w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/3\/2025\/09\/26154821\/image-159-300x167.png 300w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/3\/2025\/09\/26154821\/image-159-768x427.png 768w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/3\/2025\/09\/26154821\/image-159-450x250.png 450w\"><\/figure><h2 class=\"wp-block-heading\">Des donn\u00e9es \u00e9conomiques trop solides : un effet paradoxal<\/h2><span class=\"replacer\"><\/span><p>La publication des <strong>chiffres de la croissance am\u00e9ricaine<\/strong> est le troisi\u00e8me param\u00e8tre \u00e0 prendre en compte dans la lecture de la situation actuelle. Le PIB du 2\u1d49 trimestre a \u00e9t\u00e9 r\u00e9vis\u00e9 \u00e0 la hausse, \u00e0 3,8 %, contre 3,3 % attendu.<\/p><p>Mais pourquoi ce ne serait pas une bonne nouvelle ? En fait, si les chiffres sont trop en faveur d\u2019une \u00e9conomie performante, la <strong>Fed ne dispose plus de raisons<\/strong> techniques suffisamment solide pour <strong>baisser ses taux rapidement<\/strong>. Or sans d\u00e9tente mon\u00e9taire, la liquidit\u00e9 se rar\u00e9fie.<\/p><p>Autrement dit, <strong>moins d\u2019argent<\/strong> disponibles <strong>pour l\u2019investissement<\/strong>. En fin de compte, les cryptos, sensibles \u00e0 la disponibilit\u00e9 de capitaux, en subissent les cons\u00e9quences. C\u2019est un <strong>paradoxe<\/strong> classique : de bons chiffres \u00e9conomiques peuvent peser sur les actifs risqu\u00e9s.<\/p><h2 class=\"wp-block-heading\">Levier excessif : une purge in\u00e9vitable<\/h2><span class=\"replacer\"><\/span><figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/cimg.co\/p\/no_image.svg\" alt=\"\" class=\"wp-image-169262 lazyload\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" data-src=\"https:\/\/cimg.co\/wp-content\/uploads\/sites\/3\/2025\/09\/26154527\/cryptonews-2025-08-29T210310.287-1-1024x683.jpg\" data-srcset=\"https:\/\/cimg.co\/wp-content\/uploads\/sites\/3\/2025\/09\/26154527\/cryptonews-2025-08-29T210310.287-1-1024x683.jpg 1024w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/3\/2025\/09\/26154527\/cryptonews-2025-08-29T210310.287-1-300x200.jpg 300w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/3\/2025\/09\/26154527\/cryptonews-2025-08-29T210310.287-1-768x512.jpg 768w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/3\/2025\/09\/26154527\/cryptonews-2025-08-29T210310.287-1-450x300.jpg 450w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/3\/2025\/09\/26154527\/cryptonews-2025-08-29T210310.287-1.jpg 1200w\"><\/figure><p>Enfin, le dernier facteur est interne au march\u00e9. Ces derni\u00e8res semaines, de nombreux particuliers ont ouvert des <strong>positions \u00e0 fort effet de levier<\/strong>. La fr\u00e9n\u00e9sie a \u00e9t\u00e9 particuli\u00e8rement visible sur les altcoins via les plateformes de d\u00e9riv\u00e9s.<\/p><p>\u00c0 un moment, <strong>l\u2019open interest des altcoins<\/strong> a presque <strong>doubl\u00e9 celui du Bitcoin<\/strong>. Une <strong>situation difficilement acceptable<\/strong>. Quand les prix ont commenc\u00e9 \u00e0 reculer, les liquidations automatiques se sont encha\u00een\u00e9es.<\/p><p>Cette <strong>cascade de ventes forc\u00e9es<\/strong> a amplifi\u00e9 la chute. Un effet boule de neige, classique en crypto, qui transforme une correction normale en v\u00e9ritable effondrement.<\/p><h2 class=\"wp-block-heading\">Les baleines aux commandes ?<\/h2><span class=\"replacer\"><\/span><figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/cimg.co\/p\/no_image.svg\" alt=\"\" class=\"wp-image-169082 lazyload\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" data-src=\"https:\/\/cimg.co\/wp-content\/uploads\/sites\/3\/2025\/09\/25132406\/1758806645-log-1024x683.jpg\" data-srcset=\"https:\/\/cimg.co\/wp-content\/uploads\/sites\/3\/2025\/09\/25132406\/1758806645-log-1024x683.jpg 1024w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/3\/2025\/09\/25132406\/1758806645-log-300x200.jpg 300w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/3\/2025\/09\/25132406\/1758806645-log-768x512.jpg 768w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/3\/2025\/09\/25132406\/1758806645-log-450x300.jpg 450w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/3\/2025\/09\/25132406\/1758806645-log.jpg 1200w\"><\/figure><p>Pris s\u00e9par\u00e9ment, ces quatre facteurs expliquent d\u00e9j\u00e0 beaucoup. Mais certains analystes avancent une <strong>th\u00e8se plus cynique<\/strong>. Selon eux, les baleines orchestrent ce sc\u00e9nario.<\/p><p>Dans l\u2019id\u00e9e, il s\u2019agirait de profiter de la panique, pousser les petits investisseurs \u00e0 vendre, puis accumuler \u00e0 bas prix avant un rebond au dernier trimestre. Cette id\u00e9e n\u2019est pas nouvelle. L\u2019histoire de la crypto est pleine d\u2019\u00e9pisodes o\u00f9 <strong>les gros acteurs pi\u00e8gent le march\u00e9<\/strong> avant une envol\u00e9e.<\/p><p>Quoi qu\u2019il en soit, le climat actuel invite \u00e0 la patience. C\u2019est ici que les outils de veille comme <a href=\"https:\/\/cryptonews.com\/fr\/ext\/snorter-fr\/\" target=\"_blank\" rel=\"noreferrer noopener sponsored nofollow\">Snorter<\/a> prennent tout leur sens. La capacit\u00e9 \u00e0 identifier les d\u00e9parts de feu fera toute la diff\u00e9rence au niveau de la performance de chaque investisseur. Une t\u00e2che \u00e0 laquelle <strong>Snorter<\/strong> a d\u00e9montr\u00e9 de splendides performance.<\/p><p><\/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\/snorter-fr\/\" target=\"_blank\" rel=\"nofollow noindex\">D\u00e9couvrez Snorter<\/a><\/div><p><\/p><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 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>Source : <a href=\"https:\/\/www.lookonchain.com\/articles\/1160\" target=\"_blank\" rel=\"noreferrer noopener\">Lookonchain<\/a><\/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\/hashrate-bitcoin-aout-rebond-btc-bitcoin-hyper\/\">Hausse du hashrate Bitcoin en ao\u00fbt : vers un rebond de BTC<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/cryptonews.com\/fr\/news\/170-milliards-effaces-marche-crypto-que-sest-il-passe\/\">170 milliards $ effac\u00e9s du march\u00e9 crypto : que s&#8217;est-il pass\u00e9 ?<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/cryptonews.com\/fr\/news\/bnb-solide-maxidoge-speculatif-cardano-en-attente-que-faire-avec-ces-3-altcoins\/\">BNB solide, Maxidoge sp\u00e9culatif, Cardano en attente<\/a><\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Cette semaine, le march\u00e9 crypto est parti \u00e0 la baisse avec une force rarement vue. Bitcoin, Ethereum, XRP et les altcoins majeurs ont recul\u00e9 brusquement. Des signaux macro agressifs et des m\u00e9canismes techniques complexes ont notamment pouss\u00e9 les traders vers des vagues de liquidations massives. Mais au-del\u00e0 du chaos apparent, quatre grands moteurs expliquent cette [&hellip;]<\/p>\n","protected":false},"author":663,"featured_media":169264,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[2106],"tags":[],"editors":[2554],"sponsored_companies":[],"class_list":["post-169258","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-price-predictions","editors-ronan-gaillard"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>March\u00e9 crypto en chute : Voici 4 raisons derri\u00e8re l\u2019effondrement<\/title>\n<meta name=\"description\" content=\"Options \u00e0 23 milliards $, risque de shutdown US, levier excessif et donn\u00e9es macro solides, Bitcoin, Ethereum et XRP casse des supports cl\u00e9s..\" \/>\n<meta name=\"robots\" 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