{"id":52456,"date":"2026-08-11T13:40:09","date_gmt":"2026-08-11T13:40:09","guid":{"rendered":"https:\/\/www.vtmarkets.com\/fr-eu\/uncategorized\/can-stocks-go-negative-and-what-happens-thereafter\/"},"modified":"2026-08-11T13:40:09","modified_gmt":"2026-08-11T13:40:09","slug":"can-stocks-go-negative-and-what-happens-thereafter","status":"publish","type":"post","link":"https:\/\/www.vtmarkets.com\/fr-eu\/discover\/can-stocks-go-negative-and-what-happens-thereafter\/","title":{"rendered":"Les actions peuvent-elles devenir n\u00e9gatives et que se passe-t-il ensuite\u00a0?"},"content":{"rendered":"\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"https:\/\/www.vtmarkets.com\/wp-content\/uploads\/2025\/03\/VT-Markets-Can-Stocks-Go-Negative-and-What-Happens-Thereafter.jpg\" alt=\"Une fl\u00e8che rouge vers le bas sur un panneau boursier avec des cours en baisse, symbole de fortes chutes et de la question de savoir si une action peut devenir n\u00e9gative.\" class=\"wp-image-19488\"\/><\/figure>\n\n\n\n<h1 class=\"wp-block-heading\">Introduction : la grande question en Bourse<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">On entend souvent : \u00ab N\u2019investissez pas l\u2019argent que vous ne pouvez pas perdre. \u00bb Mais une question surprend beaucoup de d\u00e9butants : une action peut-elle devenir <em>n\u00e9gative<\/em> ? Autrement dit, peut-on devoir de l\u2019argent si son cours passe sous z\u00e9ro ?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Voici l\u2019essentiel, avec des mots simples. Que vous d\u00e9butiez en <a href=\"https:\/\/www.vtmarkets.com\/cfd-shares\/\" target=\"_blank\" rel=\"noopener\" title=\"CFD Shares\">Bourse<\/a> ou que vous ayez d\u00e9j\u00e0 r\u00e9alis\u00e9 quelques op\u00e9rations, vous comprendrez ce que signifient vraiment les chiffres pour votre capital.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Le cours d\u2019une action peut-il passer sous z\u00e9ro ?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Allons droit au but : <strong>non, le cours d\u2019une action ne peut pas passer sous z\u00e9ro<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Le minimum est 0 \u20ac. Cela arrive quand l\u2019entreprise s\u2019effondre : d\u00e9p\u00f4t de bilan (proc\u00e9dure d\u2019insolvabilit\u00e9) et liquidation (vente des actifs pour rembourser les dettes). L\u2019action ne vaut alors plus rien. Point important : en tant qu\u2019actionnaire, la perte maximale correspond \u00e0 la somme investie. Vous ne devez rien de plus au courtier ni \u00e0 l\u2019entreprise.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Exemple : si vous achetez 100 actions \u00e0 5 \u20ac et que le titre tombe \u00e0 0 \u20ac, votre perte est de 500 \u20ac, pas davantage.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Que se passe-t-il quand une action tombe \u00e0 0 \u20ac ?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Quand une action tombe \u00e0 z\u00e9ro, c\u2019est souvent parce que l\u2019entreprise fait faillite ou est retir\u00e9e de la cote (le titre n\u2019est plus admis \u00e0 la Bourse). \u00c0 ce stade :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>L\u2019entreprise est en grande difficult\u00e9<\/strong> \u2014 elle n\u2019arrive souvent plus \u00e0 rembourser ses dettes.<\/li>\n\n\n\n<li><strong>Les actions deviennent impossibles \u00e0 \u00e9changer<\/strong> \u2014 retir\u00e9es du march\u00e9 boursier (radiation de la cote).<\/li>\n\n\n\n<li><strong>Vous perdez votre mise<\/strong> \u2014 les cr\u00e9anciers (banques et fournisseurs) sont pay\u00e9s avant les actionnaires.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Votre investissement peut alors devenir sans valeur, sans remboursement.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Mais peut-on finir par devoir de l\u2019argent ?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Cela peut arriver si vous tradez avec <strong>effet de levier<\/strong> ou <strong>sur marge<\/strong>.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Trader sur marge<\/strong> signifie utiliser de l\u2019argent pr\u00eat\u00e9 par le courtier pour prendre une position plus grosse que votre capital.<\/li>\n\n\n\n<li>Si le march\u00e9 part contre vous, vous pouvez <strong>perdre plus que votre d\u00e9p\u00f4t<\/strong>.<\/li>\n\n\n\n<li>Une <strong>appel de marge<\/strong> peut suivre : le courtier demande d\u2019ajouter des fonds, ou ferme vos positions pour r\u00e9duire son risque.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Exemple : vous achetez pour 10 000 \u20ac une action tr\u00e8s volatile (dont le prix bouge fortement) avec seulement 1 000 \u20ac de fonds propres. Si le titre chute de 50% brutalement (krach \u00e9clair : baisse tr\u00e8s rapide), votre compte peut passer en n\u00e9gatif et vous devez rembourser le courtier. L\u2019effet de levier augmente les gains potentiels, mais aussi les pertes.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Le point de vue du vendeur \u00e0 d\u00e9couvert : gagner quand une action tombe \u00e0 z\u00e9ro ?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Si vous \u00eates <strong>vendeur \u00e0 d\u00e9couvert<\/strong> (vente \u00e0 d\u00e9couvert : vous vendez un titre que vous n\u2019avez pas, en l\u2019empruntant, en pariant sur une baisse pour le racheter moins cher), vous pariez sur la chute. Si l\u2019action passe de 10 \u20ac \u00e0 0 \u20ac, vous captez en th\u00e9orie l\u2019\u00e9cart : un gain maximal de 100% sur ce mouvement.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Mais la vente \u00e0 d\u00e9couvert est risqu\u00e9e : si l\u2019action monte, la perte peut \u00eatre <strong>illimit\u00e9e<\/strong>, car un cours peut grimper sans plafond. Exemple : vendre \u00e0 d\u00e9couvert \u00e0 20 \u20ac et voir le titre monter \u00e0 100 \u20ac.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Conseil VT Markets : utilisez des outils, pas seulement des paris<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Chez <a href=\"https:\/\/www.vtmarkets.com\/\" target=\"_blank\" rel=\"noopener\" title=\"VT Markets\">VT Markets<\/a>, nous mettons \u00e0 disposition :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong><a href=\"https:\/\/www.vtmarkets.com\/discover\/what-is-negative-balance-protection-and-how-it-works\/\" target=\"_blank\" rel=\"noopener\" title=\"Negative Balance Protection\">Protection contre le solde n\u00e9gatif<\/a><\/strong> \u2014 un m\u00e9canisme qui \u00e9vite de devoir plus que votre d\u00e9p\u00f4t.<\/li>\n\n\n\n<li><strong>Analyses de march\u00e9 en temps r\u00e9el<\/strong> \u2014 informations imm\u00e9diates sur les mouvements et tendances.<\/li>\n\n\n\n<li><strong>Outils de gestion du risque<\/strong> comme le stop-loss (ordre qui coupe automatiquement une position \u00e0 un niveau de perte) et le take-profit (ordre qui s\u00e9curise un gain \u00e0 un niveau fix\u00e9).<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Que vous achetiez (position longue : vous gagnez si le cours monte), vendiez (position courte : vous gagnez si le cours baisse) ou utilisiez des CFD (contrats sur la diff\u00e9rence : produit d\u00e9riv\u00e9 qui suit le prix d\u2019un actif sans le d\u00e9tenir), nos <a href=\"https:\/\/www.vtmarkets.com\/platforms\/\" target=\"_blank\" rel=\"noopener\" title=\"Forex Platforms\">plateformes<\/a> visent rapidit\u00e9 et transparence.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Une action ne cote pas sous z\u00e9ro : au pire, elle tombe \u00e0 0 \u20ac lors d\u2019une faillite et l\u2019actionnaire perd sa mise. En revanche, levier, marge et vente \u00e0 d\u00e9couvert peuvent cr\u00e9er des pertes sup\u00e9rieures au d\u00e9p\u00f4t.<\/p>\n","protected":false},"author":87,"featured_media":0,"comment_status":"","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[9],"tags":[],"class_list":["post-52456","post","type-post","status-publish","format-standard","hentry","category-discover"],"acf":{"acf_article_selection_author":null},"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO Pro 5.0.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"Une action ne cote pas sous z\u00e9ro : au pire, elle tombe \u00e0 0 \u20ac lors d\u2019une faillite et l\u2019actionnaire perd sa mise. En revanche, levier, marge et vente \u00e0 d\u00e9couvert peuvent cr\u00e9er des pertes sup\u00e9rieures au d\u00e9p\u00f4t.\" \/>\n\t<meta name=\"robots\" content=\"max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/www.vtmarkets.com\/fr-eu\/discover\/can-stocks-go-negative-and-what-happens-thereafter\/\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO Pro (AIOSEO) 5.0.1\" \/>\n\t\t<meta property=\"og:locale\" content=\"en_US\" \/>\n\t\t<meta property=\"og:site_name\" content=\"VT Markets -\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"Les actions peuvent-elles devenir n\u00e9gatives et que se passe-t-il ensuite ? - VT Markets\" \/>\n\t\t<meta property=\"og:description\" content=\"Une action ne cote pas sous z\u00e9ro : au pire, elle tombe \u00e0 0 \u20ac lors d\u2019une faillite et l\u2019actionnaire perd sa mise. 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