{"id":39639,"date":"2026-05-07T21:58:30","date_gmt":"2026-05-07T21:58:30","guid":{"rendered":"https:\/\/volity.io\/blog\/crypto-margin-trading-mechanics-fr\/"},"modified":"2026-06-01T14:11:21","modified_gmt":"2026-06-01T14:11:21","slug":"crypto-margin-trading-mechanics-fr","status":"publish","type":"post","link":"https:\/\/volity.io\/fr\/crypto\/crypto-margin-trading-mechanics-fr\/","title":{"rendered":"M\u00e9canique du trading crypto sur marge"},"content":{"rendered":"\n    <style>\n    .vd-wrap {\n        display: flex;\n        align-items: flex-start;\n        gap: 20px;\n        background: #ffffff;\n        border: 1px solid #f2f4f7;\n        border-left: 4px solid #c0392b;\n        border-radius: 12px;\n        padding: 24px;\n        margin: 30px 0;\n        box-sizing: border-box;\n        width: 100%;\n        box-shadow: 0 4px 20px rgba(0,0,0,0.04);\n        position: relative;\n        overflow: hidden;\n    }\n    .vd-wrap::after {\n        content: \"\";\n        position: absolute;\n        right: -20px;\n        bottom: -20px;\n        width: 100px;\n        height: 100px;\n        background: radial-gradient(circle, rgba(192, 57, 43, 0.03) 0%, transparent 70%);\n        pointer-events: none;\n    }\n    .vd-icon {\n        flex-shrink: 0;\n        background: #fff5f4;\n        border: 1px solid #fee2e1;\n        border-radius: 8px;\n        width: 40px;\n        height: 40px;\n        display: flex;\n        align-items: center;\n        justify-content: center;\n    }\n    .vd-icon svg { width: 22px; height: 22px; }\n    .vd-content { flex: 1; min-width: 0; }\n    .vd-label {\n        display: block;\n        font-size: 11px;\n        font-weight: 800;\n        letter-spacing: 0.1em;\n        text-transform: uppercase;\n        color: #c0392b;\n        margin-bottom: 8px;\n        font-family: \"Inter\", sans-serif;\n    }\n    .vd-text {\n        font-size: 14px;\n        line-height: 1.6;\n        color: #475467;\n        margin: 0;\n        font-family: \"Inter\", sans-serif;\n    }\n    .vd-text p { margin: 0 0 10px 0; }\n    .vd-text p:last-child { margin-bottom: 0; }\n    .vd-text strong { color: #101828; font-weight: 600; }\n    .vd-text a { color: #c0392b; text-decoration: underline; }\n    @media (max-width: 600px) {\n        .vd-wrap { flex-direction: column; gap: 12px; padding: 20px; }\n        .vd-icon { width: 32px; height: 32px; }\n    }\n    <\/style>\n\n    <div class=\"vd-wrap\" role=\"alert\" aria-label=\"Divulgation des risques\">\n        <div class=\"vd-icon\">\n            <svg viewBox=\"0 0 24 24\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\n                <path d=\"M12 9V14M12 17.01L12.01 16.998M12 21C16.9706 21 21 16.9706 21 12C21 7.02944 16.9706 3 12 3C7.02944 3 3 7.02944 3 12C3 16.9706 7.02944 21 12 21Z\" stroke=\"#c0392b\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\/>\n            <\/svg>\n        <\/div>\n        <div class=\"vd-content\">\n            <span class=\"vd-label\">Avertissement R\u00e9glementaire sur les Risques<\/span>\n            <div class=\"vd-text\"><p>Investir dans des produits financiers comporte des risques. Les pertes peuvent d\u00e9passer la valeur de votre investissement initial.<\/p><\/div>\n        <\/div>\n    <\/div>\n\n\n\n\n\n<div class=\"wp-block-group volity-quick-answer\" data-volity-quick-answer=\"2026-05-08\" style=\"border-color:#0066cc;border-width:4px;border-radius:8px;padding:20px;background:#f7f9fc;border-left:4px solid #0066cc\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\">\n\n<h2 class=\"wp-block-heading volity-qa-heading\">R\u00e9ponse rapide<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Le trading crypto sur marge utilise un capital emprunt\u00e9 garanti par une garantie d\u00e9pos\u00e9e pour amplifier la taille des positions. La marge initiale ouvre la position ; la marge de maintenance la maintient ouverte. Tomber sous la maintenance d\u00e9clenche la liquidation, o\u00f9 la plateforme d&rsquo;\u00e9change cl\u00f4ture automatiquement les positions pour prot\u00e9ger le pr\u00eateur. Les cascades de liquidation sont le tueur : de grosses positions se cl\u00f4turent, poussent le prix plus loin, d\u00e9clenchent davantage de liquidations. Le levier crypto particulier dans l&rsquo;UE est plafonn\u00e9 \u00e0 1:2.<\/p>\n\n<\/div><\/div>\n\n\n<p>Le trading crypto sur marge repose sur trois nombres. La marge initiale est les liquidit\u00e9s que vous d\u00e9posez pour ouvrir. La marge de maintenance est le plancher de capitaux propres qui maintient la transaction en vie. Le prix de liquidation est le niveau auquel le courtier cl\u00f4ture la position pour emp\u00eacher une perte suppl\u00e9mentaire. R\u00e9glez ces trois nombres correctement \u00e0 l&rsquo;entr\u00e9e et la transaction se g\u00e8re elle-m\u00eame ; r\u00e9glez-les mal et c&rsquo;est la transaction qui vous g\u00e8re.<\/p>\n\n<h2>Comment fonctionne la marge initiale ?<\/h2>\n<p>La marge initiale est fix\u00e9e par le plafond de levier sur l&rsquo;actif. Pour la crypto particuli\u00e8re dans l&rsquo;EEE, l&rsquo;ESMA fixe le plafond \u00e0 1:2, donc la marge initiale est de 50 % du notionnel. Une position BTC de 10 000 $ exige 5 000 $ de liquidit\u00e9s. La plateforme r\u00e9serve ces 5 000 $ de votre solde libre d\u00e8s que l&rsquo;ordre est ex\u00e9cut\u00e9.<\/p>\n\n<h2>Comment fonctionne la marge de maintenance ?<\/h2>\n<p>La marge de maintenance est le pourcentage du notionnel au-dessus duquel vos capitaux propres doivent rester pour garder la position ouverte. Pour la crypto particuli\u00e8re sur une plateforme typique, c&rsquo;est environ 25 % du notionnel, bien que le chiffre exact soit fix\u00e9 par symbole et par r\u00e9gulateur. Le but de la marge de maintenance est de donner au courtier suffisamment de tampon pour cl\u00f4turer la position avant qu&rsquo;elle ne passe en capitaux propres n\u00e9gatifs, surtout dans les mouvements rapides o\u00f9 le tick de prix suivant peut \u00eatre 1 \u00e0 2 % loin du dernier.<\/p>\n<p>Exemple concret. BTC long \u00e0 60 000 $, notionnel 10 000 $, marge initiale 5 000 $, marge de maintenance 25 % (= plancher de capitaux propres de 2 500 $). Si le BTC chute de 25 % \u00e0 45 000 $, la perte non r\u00e9alis\u00e9e est de 2 500 $ et les capitaux propres s&rsquo;\u00e9tablissent \u00e0 2 500 $. Vous \u00eates \u00e0 la ligne d&rsquo;appel de marge.<\/p>\n\n<h2>Qu&rsquo;est-ce qu&rsquo;un appel de marge ?<\/h2>\n<p>Un appel de marge est l&rsquo;avis du courtier que vos capitaux propres ont touch\u00e9 le seuil de maintenance et que la position risque d\u00e9sormais d&rsquo;\u00eatre cl\u00f4tur\u00e9e. Sur une plateforme r\u00e9glement\u00e9e, vous voyez g\u00e9n\u00e9ralement :<\/p>\n<ol>\n<li><strong>Avertissement l\u00e9ger<\/strong>. Une alerte sur la plateforme que la marge de maintenance approche.<\/li>\n<li><strong>Appel de marge<\/strong>. Capitaux propres au niveau de la maintenance ou en dessous. On vous demande d&rsquo;ajouter des fonds ou de r\u00e9duire l&rsquo;exposition.<\/li>\n<li><strong>Stop-out \/ liquidation<\/strong>. Capitaux propres sous le seuil de liquidation. La plateforme commence \u00e0 cl\u00f4turer les positions automatiquement, la plus grosse perte d&rsquo;abord.<\/li>\n<\/ol>\n<p>Sur les comptes particuliers avec protection contre le solde n\u00e9gatif, vous ne pouvez pas perdre plus que les liquidit\u00e9s d\u00e9pos\u00e9es, m\u00eame si le tick suivant fait un gap \u00e0 travers le niveau de stop-out.<\/p>\n\n<h2>Comment le prix de liquidation est-il calcul\u00e9 ?<\/h2>\n<p>La formule simple pour un long, en ignorant les frais et le financement :<\/p>\n<p><strong>Prix de liquidation = Prix d&rsquo;entr\u00e9e * (1 &#8211; (Marge initiale &#8211; Marge de maintenance) \/ Notionnel)<\/strong><\/p>\n<p>Pour un BTC long \u00e0 60 000 $, notionnel 10 000 $, marge initiale 5 000 $, marge de maintenance 2 500 $ : prix de liquidation = 60 000 $ * (1 &#8211; 2 500 $\/10 000 $) = 60 000 $ * 0,75 = 45 000 $. Une baisse de 25 % et la position a disparu. Serr\u00e9, par conception, parce que le plafond du levier particulier est de 1:2.<\/p>\n\n<h2>Qu&rsquo;est-ce qui modifie le prix de liquidation apr\u00e8s l&rsquo;entr\u00e9e ?<\/h2>\n<ul>\n<li><strong>Ajouter de la marge<\/strong>. Ajouter des liquidit\u00e9s \u00e9largit le tampon et \u00e9loigne la liquidation.<\/li>\n<li><strong>R\u00e9duire la taille de position<\/strong>. Cl\u00f4turer une partie du contrat r\u00e9duit le notionnel et lib\u00e8re de la marge.<\/li>\n<li><strong>Financement de nuit<\/strong>. Chaque jour, le financement est d\u00e9bit\u00e9 des capitaux propres. Une position conserv\u00e9e longtemps d\u00e9rive plus pr\u00e8s de la liquidation m\u00eame si le prix est plat.<\/li>\n<li><strong>P&#038;L r\u00e9alis\u00e9 sur d&rsquo;autres positions<\/strong>. Sur un compte cross-margin, les profits ailleurs \u00e9l\u00e8vent le tampon ; les pertes ailleurs le r\u00e9duisent.<\/li>\n<\/ul>\n\n<h2>Cross margin vs marge isol\u00e9e<\/h2>\n<p>Deux mod\u00e8les de compte :<\/p>\n<ul>\n<li><strong>Isol\u00e9e<\/strong>. Chaque position a sa propre marge d\u00e9di\u00e9e. Une explosion sur une transaction ne touche pas les autres. Le meilleur pendant que vous apprenez.<\/li>\n<li><strong>Cross<\/strong>. Toutes les positions partagent le pool de marge du compte. Efficace en capital et la seule fa\u00e7on de g\u00e9rer proprement une couverture de portefeuille. Aussi le chemin par lequel une seule position mal g\u00e9r\u00e9e peut vider le capital qui finan\u00e7ait une gagnante.<\/li>\n<\/ul>\n\n<h2>Ce qui tourne mal<\/h2>\n<ol>\n<li><strong>Ignorance de la maintenance<\/strong>. Les traders surveillent la marge initiale \u00e0 l&rsquo;entr\u00e9e et ne regardent jamais la maintenance jusqu&rsquo;\u00e0 ce qu&rsquo;ils re\u00e7oivent l&rsquo;alerte. \u00c0 ce moment-l\u00e0, le choix est mauvais ou pire.<\/li>\n<li><strong>D\u00e9rive du financement<\/strong>. Une position conserv\u00e9e deux semaines accumule un financement qui rapproche discr\u00e8tement le prix de liquidation du prix actuel. Rev\u00e9rifiez quotidiennement.<\/li>\n<li><strong>Hypoth\u00e8se de cross-margin<\/strong>. \u00ab J&rsquo;ai 20 000 $ sur le compte, la position peut beaucoup baisser. \u00bb Oui, mais d&rsquo;autres positions partagent aussi ce pool. Faites le calcul sur la pire combinaison, pas la meilleure.<\/li>\n<li><strong>R\u00e9flexe de recharge<\/strong>. Ajouter de la marge \u00e0 une position perdante pour \u00e9loigner la liquidation. C&rsquo;est faire de la moyenne \u00e0 la baisse avec des \u00e9tapes suppl\u00e9mentaires. Coupez, ne nourrissez pas.<\/li>\n<\/ol>\n\n<h2>Le trading crypto sur marge chez Volity<\/h2>\n<p>Volity offre une exposition aux CFD crypto sur plus de 20 pi\u00e8ces. Le levier particulier est plafonn\u00e9 \u00e0 1:2 (ESMA). Les clients professionnels sur demande peuvent acc\u00e9der \u00e0 un levier plus \u00e9lev\u00e9 sous r\u00e9serve d&rsquo;une \u00e9valuation d&rsquo;ad\u00e9quation MiFID II. La protection contre le solde n\u00e9gatif s&rsquo;applique sur les comptes particuliers. Les clients particuliers \u00e9ligibles d&rsquo;UBK Markets sont couverts par le Fonds chypriote d&rsquo;indemnisation des investisseurs jusqu&rsquo;\u00e0 20 000 EUR par client par firme. L&rsquo;ex\u00e9cution est assur\u00e9e par UBK Markets Ltd (CySEC 186\/12).<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<div class=\"wp-block-group volity-authority-footer\" data-volity-authority=\"seo-2026-05-08-custom\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\">\n\n<h3 class=\"wp-block-heading\">Sources v\u00e9rifi\u00e9es<\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li><a href=\"https:\/\/www.coingecko.com\/\" rel=\"noopener\" target=\"_blank\">Donn\u00e9es de march\u00e9 CoinGecko<\/a><\/li><li><a href=\"https:\/\/www.esma.europa.eu\/\" rel=\"noopener\" target=\"_blank\">R\u00e8gles crypto de l&rsquo;ESMA<\/a><\/li><li><a href=\"https:\/\/defillama.com\/\" rel=\"noopener\" target=\"_blank\">Analytique de protocoles DefiLlama<\/a><\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Associ\u00e9 sur Volity<\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li><a href=\"https:\/\/volity.io\/fr\/crypto\/crypto-margin-trading-mechanics\/\">La m\u00e9canique du trading crypto sur marge<\/a><\/li><li><a href=\"https:\/\/volity.io\/fr\/crypto\/leveraged-crypto-trading\/\">Trading crypto avec levier<\/a><\/li><li><a href=\"https:\/\/volity.io\/fr\/crypto\/crypto-leverage-trading\/\">Le trading crypto \u00e0 effet de levier expliqu\u00e9<\/a><\/li><li><a href=\"https:\/\/volity.io\/fr\/glossary\/what-is-margin-in-trading\/\">Qu&rsquo;est-ce que la marge en trading<\/a><\/li><li><a href=\"https:\/\/volity.io\/fr\/cfd\/margin-in-cfd-trading\/\">La marge dans le trading de CFD<\/a><\/li><\/ul>\n\n\n\n<p class=\"volity-last-reviewed wp-block-paragraph\" style=\"font-size:13px;color:#5a6577;margin-top:18px\"><em>Derni\u00e8re r\u00e9vision : 2026-05-08 par Alexander Bennett, analyste financier en chef chez Volity. Nous mettons \u00e0 jour cet article chaque fois que les donn\u00e9es de march\u00e9 sous-jacentes, le cadre r\u00e9glementaire ou les fonctionnalit\u00e9s de la plateforme changent.<\/em><\/p>\n\n<\/div><\/div>\n\n\n\n    <style>\n    .volity-coi {\n        background: #fff;\n        border: 1px solid #c5d8ee;\n        border-radius: 8px;\n        margin: 32px 0;\n        font-family: \"Inter\", sans-serif;\n        font-size: 13.5px;\n        line-height: 1.75;\n        color: #4a4a4a;\n        box-sizing: border-box;\n        width: 100%;\n        overflow: hidden;\n    }\n    .volity-coi .coi-heading {\n        display: block;\n        background: #2c6fad;\n        color: #fff;\n        font-size: 11px;\n        font-weight: 700;\n        letter-spacing: 0.09em;\n        text-transform: uppercase;\n        padding: 9px 22px;\n        margin: 0;\n    }\n    .volity-coi .coi-body { padding: 16px 22px; }\n    .volity-coi .coi-body p { margin: 0 0 10px 0; }\n    .volity-coi .coi-body p:last-child { margin-bottom: 0; }\n    .volity-coi a { color: #2c6fad; text-decoration: underline; }\n    @media(max-width:480px) {\n        .volity-coi .coi-body { padding: 14px 16px; font-size: 13px; }\n        .volity-coi .coi-heading { padding: 8px 16px; }\n    }\n    <\/style>\n    <div class=\"volity-coi\" role=\"note\">\n        <span class=\"coi-heading\">\u24d8 Divulgation<\/span>\n        <div class=\"coi-body\"><p>Volity exploite une plateforme de trading et publie \u00e9galement du contenu \u00e9ducatif et analytique sur le trading. Le contenu de cette page est uniquement \u00e0 des fins \u00e9ducatives et ne doit pas \u00eatre consid\u00e9r\u00e9 comme un conseil financier. Volity peut b\u00e9n\u00e9ficier commercialement lorsque les lecteurs ouvrent des comptes de trading via les liens pr\u00e9sents sur ce site.<\/p><p>Notre contenu est produit et r\u00e9vis\u00e9 selon des <a href=\"https:\/\/volity.io\/fr\/editorial-standards\/\">standards \u00e9ditoriaux<\/a> document\u00e9s ; la m\u00e9thodologie de comparaison et de revue est publi\u00e9e <a href=\"https:\/\/volity.io\/fr\/editorial-standards\/review-methodology\/\">ici<\/a>.<\/p><\/div>\n    <\/div>\n","protected":false},"excerpt":{"rendered":"<p>R\u00e9ponse rapide Le trading crypto sur marge utilise un capital emprunt\u00e9 garanti par une garantie d\u00e9pos\u00e9e pour amplifier la taille des positions. [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":28538,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"custom_schema":"","footnotes":""},"categories":[205],"tags":[],"class_list":["post-39639","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-crypto"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.7 (Yoast SEO v27.7) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>M\u00e9canique du trading crypto sur marge : marge, liquidation | Volity<\/title>\n<meta name=\"description\" content=\"La m\u00e9canique du trading crypto sur marge : marge initiale et de maintenance, calcul du prix de liquidation, cross vs isol\u00e9e. Plafond ESMA 1:2. 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Plafond ESMA 1:2. 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Pour la crypto particuli\u00e8re dans l'EEE, l'ESMA fixe le plafond \u00e0 1:2, donc la marge initiale est de 50 % du notionnel. Une position BTC de 10 000 $ exige 5 000 $ de liquidit\u00e9s. La plateforme r\u00e9serve ces 5 000 $ de votre solde libre d\u00e8s que l'ordre est ex\u00e9cut\u00e9.\"}},{\"@type\":\"Question\",\"name\":\"Comment fonctionne la marge de maintenance ?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"La marge de maintenance est le pourcentage du notionnel au-dessus duquel vos capitaux propres doivent rester pour garder la position ouverte. Pour la crypto particuli\u00e8re sur une plateforme typique, c'est environ 25 % du notionnel, bien que le chiffre exact soit fix\u00e9 par symbole et par r\u00e9gulateur. Le but de la marge de maintenance est de donner au courtier suffisamment de tampon pour cl\u00f4turer la position avant qu'elle ne passe en capitaux propres n\u00e9gatifs, surtout dans les mouvements rapides o\u00f9 le tick de prix suivant peut \u00eatre 1 \u00e0 2 % loin du dernier. Exemple concret. BTC long \u00e0 60 000 $, notionnel 10 000 $, marge initiale 5 000 $, marge de maintenance 25 % (= plancher de capitaux propres de 2 500 $). Si le BTC chute de 25 % \u00e0 45 000 $, la perte non r\u00e9alis\u00e9e est de 2 500 $ et les capitaux propres s'\u00e9tablissent \u00e0 2 500 $. Vous \u00eates \u00e0 la ligne d'appel de marge.\"}},{\"@type\":\"Question\",\"name\":\"Qu'est-ce qu'un appel de marge ?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Un appel de marge est l'avis du courtier que vos capitaux propres ont touch\u00e9 le seuil de maintenance et que la position risque d\u00e9sormais d'\u00eatre cl\u00f4tur\u00e9e. Sur une plateforme r\u00e9glement\u00e9e, vous voyez g\u00e9n\u00e9ralement : Avertissement l\u00e9ger. Une alerte sur la plateforme que la marge de maintenance approche. Appel de marge. Capitaux propres au niveau de la maintenance ou en dessous. On vous demande d'ajouter des fonds ou de r\u00e9duire l'exposition. Stop-out \\\/ liquidation. Capitaux propres sous le seuil de liquidation. La plateforme commence \u00e0 cl\u00f4turer les positions automatiquement, la plus grosse perte d'abord. Sur les comptes particuliers avec protection contre le solde n\u00e9gatif, vous ne pouvez pas perdre plus que les liquidit\u00e9s d\u00e9pos\u00e9es, m\u00eame si le tick suivant fait un gap \u00e0 travers le niveau de stop-out.\"}},{\"@type\":\"Question\",\"name\":\"Comment le prix de liquidation est-il calcul\u00e9 ?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"La formule simple pour un long, en ignorant les frais et le financement : Prix de liquidation = Prix d'entr\u00e9e * (1 - (Marge initiale - Marge de maintenance) \\\/ Notionnel) Pour un BTC long \u00e0 60 000 $, notionnel 10 000 $, marge initiale 5 000 $, marge de maintenance 2 500 $ : prix de liquidation = 60 000 $ * (1 - 2 500 $\\\/10 000 $) = 60 000 $ * 0,75 = 45 000 $. Une baisse de 25 % et la position a disparu. Serr\u00e9, par conception, parce que le plafond du levier particulier est de 1:2.\"}},{\"@type\":\"Question\",\"name\":\"Qu'est-ce qui modifie le prix de liquidation apr\u00e8s l'entr\u00e9e ?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Ajouter de la marge. Ajouter des liquidit\u00e9s \u00e9largit le tampon et \u00e9loigne la liquidation. R\u00e9duire la taille de position. Cl\u00f4turer une partie du contrat r\u00e9duit le notionnel et lib\u00e8re de la marge. Financement de nuit. Chaque jour, le financement est d\u00e9bit\u00e9 des capitaux propres. Une position conserv\u00e9e longtemps d\u00e9rive plus pr\u00e8s de la liquidation m\u00eame si le prix est plat. P&L r\u00e9alis\u00e9 sur d'autres positions. 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Effortless, Affordable & Transparent Access To Financial Markets","description":"Where Any Volume Finds Agility","publisher":{"@id":"https:\/\/volity.io\/fr\/#organization"},"alternateName":"Volity Empowers Financial Inclusion","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/volity.io\/fr\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"fr-FR"},{"@type":"Organization","@id":"https:\/\/volity.io\/fr\/#organization","name":"Volity","alternateName":["VLT","Volity Group"],"url":"https:\/\/volity.io\/fr\/","logo":{"@type":"ImageObject","inLanguage":"fr-FR","@id":"https:\/\/volity.io\/fr\/#\/schema\/logo\/image\/","url":"https:\/\/volity.io\/wp-content\/uploads\/2024\/08\/White-BG.webp","contentUrl":"https:\/\/volity.io\/wp-content\/uploads\/2024\/08\/White-BG.webp","width":1920,"height":1357,"caption":"VOLITY"},"image":{"@id":"https:\/\/volity.io\/fr\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/profile.php?id=61570055360264","https:\/\/x.com\/VolityBeat","https:\/\/www.linkedin.com\/company\/volitygroup","https:\/\/www.youtube.com\/@VolityYoutube","https:\/\/www.tiktok.com\/@hellovolity","https:\/\/t.me\/volitybeat","https:\/\/www.trustpilot.com\/review\/volity.io"],"foundingDate":"2024","legalName":"Volity Limited","address":{"@type":"PostalAddress","addressCountry":"CY","addressLocality":"Limassol","streetAddress":"67 Spyrou Kyprianou Avenue, Kyriakides Business Center, 2nd Floor","postalCode":"4003"},"contactPoint":[{"@type":"ContactPoint","contactType":"customer support","email":"h<!--email_off-->ello@volity.io<!--/email_off-->","availableLanguage":["English","German","French","Spanish"],"areaServed":["EU","GB","Worldwide"]}],"knowsAbout":["Forex trading","Contract for difference (CFD) trading","Cryptocurrency trading","Gold and commodities trading","Stock trading","Indices trading","Multi-asset investment platforms","Risk management"],"subOrganization":[{"@type":"Organization","name":"Volity Trade Ltd","identifier":"Saint Lucia 2024-00059","description":"Introducing broker for UBK Markets Ltd"},{"@type":"Organization","name":"Volity Invest Ltd","identifier":"Cyprus HE 452984","description":"Payment agent"},{"@type":"Organization","name":"Volity Limited","identifier":"Hong Kong trademark 67964819"}],"description":"Providing easy-to-use, affordable and secure access to financial products with personalised experience, local market understanding, and unrivalled customer service.","email":"h<!--email_off-->ello@volity.io<!--/email_off-->","memberOf":{"@type":"Organization","name":"CySEC, Cyprus Securities and Exchange Commission","url":"https:\/\/www.cysec.gov.cy\/","description":"Volity introduces clients to UBK Markets Ltd, a Cyprus Investment Firm authorised by CySEC under licence 186\/12."},"hasCredential":{"@type":"EducationalOccupationalCredential","name":"CySEC CIF licence (via UBK Markets Ltd)","credentialCategory":"Regulatory authorisation","recognizedBy":{"@type":"Organization","name":"CySEC","url":"https:\/\/www.cysec.gov.cy\/"},"identifier":"186\/12"}},{"@type":"Person","@id":"https:\/\/volity.io\/alexander-bennett\/#person","name":"Alexander Bennett","image":{"@type":"ImageObject","inLanguage":"fr-FR","@id":"https:\/\/volity.io\/wp-content\/uploads\/2026\/03\/A.Bennett-1.webp","url":"https:\/\/volity.io\/wp-content\/uploads\/2026\/03\/A.Bennett-1.webp","contentUrl":"https:\/\/volity.io\/wp-content\/uploads\/2026\/03\/A.Bennett-1.webp","caption":"Alexander Bennett"},"description":"Alexander Bennett has spent over a decade reading markets, from institutional research desks to retail trading floors, and writes Volity's coverage of forex, crypto, commodities, and platforms. Certified in technical analysis through the International Federation of Technical Analysts and as a Financial Risk Manager, his work has been featured on DailyForex and TradingBeasts. His writing cuts through hype. The goal isn't moonshots; it's the disciplined edge that survives drawdowns. More on Alexander's background and approach: https:\/\/volity.io\/alexander-bennett\/","sameAs":["https:\/\/www.linkedin.com\/in\/alexanderbennettfm\/","https:\/\/volity.io\/alexander-bennett\/"],"jobTitle":"Financial Analyst & Trading Strategy Expert","givenName":"Alexander","familyName":"Bennett","url":"https:\/\/volity.io\/alexander-bennett\/","worksFor":{"@type":"Organization","@id":"https:\/\/volity.io\/#organization","name":"Volity"},"knowsAbout":["Forex trading","Cryptocurrency markets","Technical analysis","Risk management","CFD trading","Commodities trading","Trading strategy","MetaTrader 4","MetaTrader 5"],"hasCredential":[{"@type":"EducationalOccupationalCredential","name":"Technical Analysis Certification","credentialCategory":"certification","recognizedBy":{"@type":"Organization","name":"International Federation of Technical Analysts","url":"https:\/\/www.ifta.org\/"}},{"@type":"EducationalOccupationalCredential","name":"Financial Risk Manager","credentialCategory":"certification","recognizedBy":{"@type":"Organization","name":"Global Association of Risk Professionals","url":"https:\/\/www.garp.org\/"}}]},{"@type":"FAQPage","@id":"https:\/\/volity.io\/fr\/crypto\/crypto-margin-trading-mechanics-fr\/#faq","mainEntity":[{"@type":"Question","name":"Comment fonctionne la marge initiale ?","acceptedAnswer":{"@type":"Answer","text":"La marge initiale est fix\u00e9e par le plafond de levier sur l'actif. Pour la crypto particuli\u00e8re dans l'EEE, l'ESMA fixe le plafond \u00e0 1:2, donc la marge initiale est de 50 % du notionnel. Une position BTC de 10 000 $ exige 5 000 $ de liquidit\u00e9s. La plateforme r\u00e9serve ces 5 000 $ de votre solde libre d\u00e8s que l'ordre est ex\u00e9cut\u00e9."}},{"@type":"Question","name":"Comment fonctionne la marge de maintenance ?","acceptedAnswer":{"@type":"Answer","text":"La marge de maintenance est le pourcentage du notionnel au-dessus duquel vos capitaux propres doivent rester pour garder la position ouverte. Pour la crypto particuli\u00e8re sur une plateforme typique, c'est environ 25 % du notionnel, bien que le chiffre exact soit fix\u00e9 par symbole et par r\u00e9gulateur. Le but de la marge de maintenance est de donner au courtier suffisamment de tampon pour cl\u00f4turer la position avant qu'elle ne passe en capitaux propres n\u00e9gatifs, surtout dans les mouvements rapides o\u00f9 le tick de prix suivant peut \u00eatre 1 \u00e0 2 % loin du dernier. Exemple concret. BTC long \u00e0 60 000 $, notionnel 10 000 $, marge initiale 5 000 $, marge de maintenance 25 % (= plancher de capitaux propres de 2 500 $). Si le BTC chute de 25 % \u00e0 45 000 $, la perte non r\u00e9alis\u00e9e est de 2 500 $ et les capitaux propres s'\u00e9tablissent \u00e0 2 500 $. Vous \u00eates \u00e0 la ligne d'appel de marge."}},{"@type":"Question","name":"Qu'est-ce qu'un appel de marge ?","acceptedAnswer":{"@type":"Answer","text":"Un appel de marge est l'avis du courtier que vos capitaux propres ont touch\u00e9 le seuil de maintenance et que la position risque d\u00e9sormais d'\u00eatre cl\u00f4tur\u00e9e. Sur une plateforme r\u00e9glement\u00e9e, vous voyez g\u00e9n\u00e9ralement : Avertissement l\u00e9ger. Une alerte sur la plateforme que la marge de maintenance approche. Appel de marge. Capitaux propres au niveau de la maintenance ou en dessous. On vous demande d'ajouter des fonds ou de r\u00e9duire l'exposition. Stop-out \/ liquidation. Capitaux propres sous le seuil de liquidation. La plateforme commence \u00e0 cl\u00f4turer les positions automatiquement, la plus grosse perte d'abord. Sur les comptes particuliers avec protection contre le solde n\u00e9gatif, vous ne pouvez pas perdre plus que les liquidit\u00e9s d\u00e9pos\u00e9es, m\u00eame si le tick suivant fait un gap \u00e0 travers le niveau de stop-out."}},{"@type":"Question","name":"Comment le prix de liquidation est-il calcul\u00e9 ?","acceptedAnswer":{"@type":"Answer","text":"La formule simple pour un long, en ignorant les frais et le financement : Prix de liquidation = Prix d'entr\u00e9e * (1 - (Marge initiale - Marge de maintenance) \/ Notionnel) Pour un BTC long \u00e0 60 000 $, notionnel 10 000 $, marge initiale 5 000 $, marge de maintenance 2 500 $ : prix de liquidation = 60 000 $ * (1 - 2 500 $\/10 000 $) = 60 000 $ * 0,75 = 45 000 $. Une baisse de 25 % et la position a disparu. Serr\u00e9, par conception, parce que le plafond du levier particulier est de 1:2."}},{"@type":"Question","name":"Qu'est-ce qui modifie le prix de liquidation apr\u00e8s l'entr\u00e9e ?","acceptedAnswer":{"@type":"Answer","text":"Ajouter de la marge. Ajouter des liquidit\u00e9s \u00e9largit le tampon et \u00e9loigne la liquidation. R\u00e9duire la taille de position. Cl\u00f4turer une partie du contrat r\u00e9duit le notionnel et lib\u00e8re de la marge. Financement de nuit. Chaque jour, le financement est d\u00e9bit\u00e9 des capitaux propres. Une position conserv\u00e9e longtemps d\u00e9rive plus pr\u00e8s de la liquidation m\u00eame si le prix est plat. P&L r\u00e9alis\u00e9 sur d'autres positions. Sur un compte cross-margin, les profits ailleurs \u00e9l\u00e8vent le tampon ; les pertes ailleurs le r\u00e9duisent."}}],"speakable":{"@type":"SpeakableSpecification","cssSelector":["h1",".entry-content > p:first-of-type",".entry-content h2",".faq-question","[data-volity-takeaways]"]}}]}},"yoast_meta":{"yoast_wpseo_title":"M\u00e9canique du trading crypto sur marge : marge, liquidation | Volity","yoast_wpseo_metadesc":"La m\u00e9canique du trading crypto sur marge : marge initiale et de maintenance, calcul du prix de liquidation, cross vs isol\u00e9e. Plafond ESMA 1:2. 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