{"id":33904,"date":"2026-05-07T20:12:44","date_gmt":"2026-05-07T20:12:44","guid":{"rendered":"https:\/\/volity.io\/blog\/what-is-margin-in-trading-2\/"},"modified":"2026-06-04T06:24:12","modified_gmt":"2026-06-04T06:24:12","slug":"what-is-margin-in-trading","status":"publish","type":"post","link":"https:\/\/volity.io\/fr\/glossaire\/what-is-margin-in-trading\/","title":{"rendered":"Qu&rsquo;est-ce que la marge en trading"},"content":{"rendered":"<h2>Comment fonctionne la marge<\/h2>\n<p>La marge est le d\u00e9p\u00f4t que vous placez pour ouvrir une position \u00e0 effet de levier, exprim\u00e9 en pourcentage de la valeur totale de la position. Ce n&rsquo;est ni un frais ni un co\u00fbt : c&rsquo;est une garantie que le courtier d\u00e9tient pendant que le trade est ouvert, rendue \u00e0 la cl\u00f4ture moins le spread et le financement overnight. Marge et <a href=\"https:\/\/volity.io\/fr\/glossaire\/what-is-leverage-in-forex\/\">effet de levier<\/a> sont deux vues du m\u00eame nombre. Un ratio de 1:30 \u00e9quivaut \u00e0 une exigence de marge de 3,33 %.<\/p>\n<h2>Exemple chiffr\u00e9<\/h2>\n<p>Pour ouvrir une position EUR\/USD de 30 000 $ \u00e0 1:30, vous placez environ 1 000 $ de marge. Le reste du compte est la marge libre, le tampon qui absorbe les mouvements d\u00e9favorables. \u00c0 mesure que les pertes grandissent, la marge libre diminue. Quand les fonds propres tombent vers la marge de maintenance, la plateforme \u00e9met un appel de marge, et si le niveau est franchi, la position se ferme au point de <a href=\"https:\/\/volity.io\/fr\/glossaire\/what-is-stop-out\/\">stop-out<\/a>.<\/p>\n<h2>La marge et les plafonds de levier sur Volity<\/h2>\n<p>Comme la marge est fix\u00e9e par le plafond de levier, la classe d&rsquo;actifs d\u00e9cide du d\u00e9p\u00f4t minimum. Selon les r\u00e8gles de d\u00e9tail de la CySEC, appliqu\u00e9es via UBK Markets (licence 186\/12), les majeures forex demandent environ 3,33 % de marge (30:1), les mineures et l&rsquo;or environ 5 % (20:1), les actions individuelles 20 % (5:1) et la crypto 50 % (2:1). Les clients de d\u00e9tail ont aussi la protection contre les soldes n\u00e9gatifs.<\/p>\n<h2>Pourquoi c&rsquo;est important<\/h2>\n<p>La marge est le m\u00e9canisme qui peut fermer votre trade contre votre gr\u00e9. Gardez toujours la marge libre bien au-dessus du niveau de maintenance pour qu&rsquo;un mouvement d\u00e9favorable normal ne d\u00e9clenche pas de stop-out, et d\u00e9cidez de la taille avec le <a href=\"https:\/\/volity.io\/fr\/glossaire\/what-is-position-sizing\/\">dimensionnement de position<\/a>, pas avec le maximum que la marge autorise.<\/p>\n<p>Pour aller plus loin, voir notre page <a href=\"https:\/\/volity.io\/fr\/forex\/\">forex<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Comment fonctionne la marge La marge est le d\u00e9p\u00f4t que vous placez pour ouvrir une position \u00e0 effet de levier, exprim\u00e9 en [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":37055,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"custom_schema":"","footnotes":""},"categories":[258],"tags":[],"class_list":["post-33904","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-glossaire"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.7 (Yoast SEO v27.8) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Marge en trading 2026 : initiale, maintien, exemples<\/title>\n<meta name=\"description\" content=\"La marge en trading est le d\u00e9p\u00f4t pour ouvrir une position \u00e0 effet de levier. 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