{"id":1789,"date":"2023-03-15T08:30:00","date_gmt":"2023-03-15T07:30:00","guid":{"rendered":"https:\/\/www.aucoffre.com\/academie\/?p=1789"},"modified":"2023-03-10T14:59:30","modified_gmt":"2023-03-10T13:59:30","slug":"manipulation-du-cours-de-lor-fantasme-ou-realite","status":"publish","type":"post","link":"https:\/\/www.aucoffre.com\/academie\/manipulation-du-cours-de-lor-fantasme-ou-realite\/","title":{"rendered":"Manipulation du cours de l&rsquo;or : fantasme ou r\u00e9alit\u00e9 ?"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">La mal\u00e9diction du roi Midas, la mythique cit\u00e9 d\u2019or de l\u2019Eldorado, l\u2019\u00e9pisode de la ru\u00e9e vers l\u2019or\u2026 depuis des si\u00e8cles, le m\u00e9tal dor\u00e9 attise la convoitise et d\u00e9veloppe notre imagination fertile.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Encore aujourd\u2019hui, alors que les m\u00e9thodes de placement se multiplient, l\u2019or reste une valeur s\u00fbre qui continue d\u2019exacerber les fantasmes\u00a0: existerait-il un moyen de manipuler le cours de l\u2019or\u2009? De nombreux facteurs influencent le prix des m\u00e9taux pr\u00e9cieux, pourtant certains n\u2019h\u00e9sitent pas \u00e0 employer des techniques frauduleuses pour tenter de faire varier le cours de l\u2019or \u00e0 leur avantage, mais cela reste des cas rares et isol\u00e9s.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">La fixation du cours de l\u2019or&nbsp;: la mission de la LBMA<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">L\u2019or est un actif cot\u00e9 sur les march\u00e9s financiers de gr\u00e9 \u00e0 gr\u00e9. Son prix varie avec l\u2019offre et la demande. Il existe plusieurs places boursi\u00e8res sp\u00e9cialis\u00e9es, mais le <em>fixing<\/em> de la <a href=\"https:\/\/www.lbma.org.uk\/\">London Bullion Market Association<\/a> (LBMA) est une r\u00e9f\u00e9rence \u00e0 l\u2019\u00e9chelle internationale.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Cette association des professionnels du march\u00e9 des m\u00e9taux pr\u00e9cieux communique deux fois par jour le <a href=\"https:\/\/www.aucoffre.com\/cours-or\">cours de l\u2019or<\/a>, ou le LBMA Gold Price, \u00e9tabli en fonction des \u00e9changes d\u2019or physique. Elle veille \u00e9galement \u00e0 la transparence du march\u00e9 et assure des missions de contr\u00f4le sur les cha\u00eenes de responsabilit\u00e9 ou de provenance des lingots d\u2019or.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><a><\/a>Les facteurs qui influencent le cours de l\u2019or<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Le prix du m\u00e9tal pr\u00e9cieux fluctue quotidiennement, \u00e0 la hausse ou \u00e0 la baisse, sous l\u2019effet de divers <a href=\"https:\/\/www.loretlargent.info\/or\/ce-qui-impacte-le-cours-de-l-or\/25664\/\">facteurs<\/a>.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>La loi de l\u2019offre et de la demande&nbsp;: face aux incertitudes \u00e9conomiques ou politiques, l\u2019or constitue une valeur refuge en forte demande. Toutefois, c\u2019est un m\u00e9tal pr\u00e9cieux dont les r\u00e9serves naturelles se rar\u00e9fient. Les co\u00fbts de production augmentent et font grimper le prix des lingots.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Le dollar am\u00e9ricain&nbsp;: la corr\u00e9lation entre l\u2019or et le billet vert est une r\u00e9alit\u00e9. Quand le dollar baisse, le cours du m\u00e9tal pr\u00e9cieux monte.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Les variables de l\u2019\u00e9conomie&nbsp;: en p\u00e9riode d\u2019inflation et de d\u00e9valuation de la monnaie, l\u2019or repr\u00e9sente un bon moyen de pr\u00e9server son patrimoine. La hausse de la demande provoque donc l\u2019\u00e9l\u00e9vation du cours. En revanche, avec des taux d\u2019int\u00e9r\u00eat qui montent, on observe, le plus souvent, une diminution du prix de l\u2019or. Ces facteurs se r\u00e9v\u00e8lent parfois contradictoires.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>La situation g\u00e9opolitique&nbsp;: les conflits attisent l\u2019inqui\u00e9tude \u00e0 l\u2019\u00e9chelle \u00e9tatique ou individuelle. Ainsi, les gouvernements comme les \u00e9pargnants sont enclins \u00e0 renflouer leurs stocks d\u2019or favorisant l\u2019augmentation du cours.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Les quelques cas av\u00e9r\u00e9s de manipulation du cours de l\u2019or<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">La surveillance organis\u00e9e par la LBMA ou les risques de condamnation encourus ne d\u00e9couragent pas toujours les sp\u00e9culateurs en qu\u00eate de profit. Dans l&rsquo;histoire, certains ont r\u00e9ussi, \u00e0 de rares occasions, \u00e0 influenc\u00e9 de mani\u00e8re malveillante le cours du m\u00e9tal jaune, avant de se faire rattraper par la patrouille. <\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><a><\/a>Le scandale de la Deutsche Bank<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">En janvier 2023, la Cour supr\u00eame des \u00c9tats-Unis a rejet\u00e9 les appels de James Vorley et Cedric Chanu, deux anciens traders de la Deutsche Bank, condamn\u00e9s en 2020 \u00e0 un an de prison pour usurpation d\u2019identit\u00e9.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Entre 2008 et 2013, ils ont eu recours au <em>spoofing<\/em> pour influencer le cours des m\u00e9taux pr\u00e9cieux. Sous de fausses identit\u00e9s, ils envoyaient de grandes quantit\u00e9s d\u2019ordres d\u2019achat et de vente puis les retiraient juste avant leur ex\u00e9cution. Entre-temps, d\u2019autres investisseurs avaient suivi la tendance et provoqu\u00e9 une fluctuation du cours de l\u2019or \u00e0 la hausse ou \u00e0 la baisse. Les deux traders profitaient alors de la situation en adoptant un positionnement inverse (\u00e0 la vente si l\u2019ordre initial \u00e9tait \u00e0 l\u2019achat).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Le magistrat qui a jug\u00e9 le dossier en premi\u00e8re instance a estim\u00e9 le pr\u00e9judice \u00e0 1&nbsp;million de dollars. La difficult\u00e9 dans ce genre d\u2019affaires consiste \u00e0 prouver l\u2019intention d\u2019annulation du donneur d\u2019ordre. Dans le cas pr\u00e9sent, les deux hommes ont \u00e9t\u00e9 inculp\u00e9s sur la base de messages \u00e9crits r\u00e9v\u00e9lant leur pleine connaissance d\u2019un tel syst\u00e8me.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Dans les ann\u00e9es&nbsp;2010, la Deustche Bank a fait l\u2019objet de plusieurs investigations pour des actes de m\u00eame nature. L\u2019\u00e9tablissement financier a pr\u00e9f\u00e9r\u00e9 payer de lourds tributs pour \u00e9viter les poursuites judiciaires. En 2014, la banque a \u00e9galement renonc\u00e9 \u00e0 sa place dans le fixing du cours de l\u2019or aux c\u00f4t\u00e9s de la Soci\u00e9t\u00e9 G\u00e9n\u00e9rale, de Barclays, d\u2019HSBC et de Scotiabank.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><a><\/a>Les malversations des traders de JP Morgan<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Le procureur am\u00e9ricain charg\u00e9 de l\u2019affaire a surnomm\u00e9 Michael Nowak et Gregg Smith les \u00ab\u2009loups de Chicago\u2009\u00bb. Les deux traders de la banque JP Morgan ont \u00e9t\u00e9 condamn\u00e9s pour avoir utilis\u00e9 la technique du <em>spoofing<\/em> afin de manipuler le cours de l\u2019or entre 2008 et 2016. Pour prouver la baisse et la hausse artificielle du prix de l\u2019or, la cour a regroup\u00e9 des comptes-rendus de transactions, des discussions de messagerie instantan\u00e9e et des t\u00e9moignages d\u2019anciens coll\u00e8gues.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M. Nowak et G.Smith avaient pour habitude d\u2019\u00e9mettre des ordres d\u2019achat \u00e0 un cours sup\u00e9rieur \u00e0 celui du march\u00e9 pour faire grimper les prix. Puis, ils les retiraient et passaient des ordres de vente.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Quant \u00e0 JP Morgan Chase, la banque a accept\u00e9 de payer 920&nbsp;millions de dollars en 2020 pour manipulation des cours des m\u00e9taux pr\u00e9cieux et des bons du Tr\u00e9sor, une sanction record. La justice am\u00e9ricaine reprochait \u00e0 l\u2019\u00e9tablissement de ne pas avoir pris les mesures n\u00e9cessaires pour emp\u00eacher les malversations de ses employ\u00e9s malgr\u00e9 des alertes r\u00e9p\u00e9t\u00e9es.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><a><\/a>L\u2019or&nbsp;: une valeur impr\u00e9visible\u2009?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Les experts peuvent pr\u00e9sager des tendances du cours de l\u2019or. Toutefois, rien ne garantit la fiabilit\u00e9 de ces pr\u00e9visions. Plusieurs facteurs peuvent se neutraliser. En 2022, par exemple, la guerre en Ukraine et l\u2019inflation favorisaient une augmentation du prix de l\u2019or. Cependant, la politique de hausse des taux d\u2019int\u00e9r\u00eat pratiqu\u00e9e par la FED et la BCE mettait l\u2019or sous pression. Globalement, le cours de l\u2019or a suivi une pente ascendante sur l\u2019ann\u00e9e avec des hauts et des bas.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Par ailleurs, le cours de l\u2019or n\u2019est pas \u00e0 l\u2019abri des manipulations imagin\u00e9es par les professionnels des march\u00e9s financiers. N\u00e9anmoins, il s\u2019agit d\u2019actes frauduleux s\u00e9v\u00e8rement punis et qui n&rsquo;arrivent qu&rsquo;\u00e0 de rares occasions. Ils sont ponctuels et ne peuvent inverser les tendances de fond qui sont le r\u00e9sultat d\u2019une corr\u00e9lation de facteurs difficilement ma\u00eetrisables.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><a><\/a>La manipulation du cours de l\u2019argent, si l\u2019on en parlait\u2009?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">G\u00e9n\u00e9ralement, le <a href=\"https:\/\/www.loretlargent.info\/argent\/comment-va-evoluer-le-cours-de-largent-en-2023-et-dici-2030\/29169\/\">cours de l\u2019argent<\/a> fluctue de concert avec le prix de l\u2019or. Les facteurs qui impactent l\u2019or ont un effet sur le m\u00e9tal argent\u00e9&nbsp;: inflation, dollar et conjoncture \u00e9conomique ou politique. L\u2019argent poss\u00e8de aussi ses propres probl\u00e9matiques li\u00e9es \u00e0 l\u2019offre et \u00e0 la demande.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tout comme l\u2019or, l\u2019argent a fait l\u2019objet de convoitises et d\u2019actes frauduleux. Dans l\u2019affaire JP Morgan notamment, il \u00e9tait question de manipulation du <a href=\"https:\/\/www.aucoffre.com\/cours-argent\">cours de l\u2019argent<\/a> selon la technique du <em>spoofing<\/em>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Plus loin dans l\u2019histoire, en janvier 1980, les fr\u00e8res Hunt, deux hommes d\u2019affaires am\u00e9ricains, r\u00e9ussissent \u00e0 entra\u00eener une hausse vertigineuse du prix de l\u2019argent gr\u00e2ce \u00e0 une strat\u00e9gie d\u2019achat syst\u00e9matique sur 10&nbsp;ans. Pourtant, le prix de 50&nbsp;$ l\u2019once ne se maintient pas et s\u2019effondre en quelques semaines provoquant la faillite des deux fr\u00e8res.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>La mal\u00e9diction du roi Midas, la mythique cit\u00e9 d\u2019or de l\u2019Eldorado, l\u2019\u00e9pisode de la ru\u00e9e vers l\u2019or\u2026 depuis des si\u00e8cles, le m\u00e9tal dor\u00e9 attise la convoitise et d\u00e9veloppe notre imagination fertile. Encore aujourd\u2019hui, alors que les m\u00e9thodes de placement se multiplient, l\u2019or reste une valeur s\u00fbre qui continue d\u2019exacerber les fantasmes\u00a0: existerait-il un moyen de [&hellip;]<\/p>\n","protected":false},"author":15,"featured_media":1790,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"content-type":"","jnews-multi-image_gallery":[],"jnews_single_post":{"subtitle":"","format":"standard","video":"","gallery":"","source_name":"","source_url":"","via_name":"","via_url":"","override_template":"0","override":[{"template":"1","single_blog_custom":"","parallax":"1","fullscreen":"1","layout":"right-sidebar","sidebar":"default-sidebar","second_sidebar":"default-sidebar","sticky_sidebar":"1","share_position":"top","share_float_style":"share-monocrhome","show_share_counter":"1","show_view_counter":"1","show_featured":"1","show_post_meta":"1","show_post_author":"1","show_post_author_image":"1","show_post_date":"1","post_date_format":"default","post_date_format_custom":"Y\/m\/d","show_post_category":"1","show_post_reading_time":"0","post_reading_time_wpm":"300","show_zoom_button":"0","zoom_button_out_step":"2","zoom_button_in_step":"3","show_post_tag":"1","show_prev_next_post":"1","show_popup_post":"1","number_popup_post":"1","show_author_box":"0","show_post_related":"0","show_inline_post_related":"0"}],"override_image_size":"0","image_override":[{"single_post_thumbnail_size":"crop-500","single_post_gallery_size":"crop-500"}],"trending_post":"0","trending_post_position":"meta","trending_post_label":"Trending","sponsored_post":"0","sponsored_post_label":"Sponsored by","sponsored_post_name":"","sponsored_post_url":"","sponsored_post_logo_enable":"0","sponsored_post_logo":"","sponsored_post_desc":"","disable_ad":"0"},"jnews_primary_category":{"id":""},"jnews_social_meta":{"fb_title":"","fb_description":"","fb_image":"","twitter_title":"","twitter_description":"","twitter_image":""},"jnews_override_counter":{"override_view_counter":"0","view_counter_number":"0","override_share_counter":"0","share_counter_number":"0","override_like_counter":"0","like_counter_number":"0","override_dislike_counter":"0","dislike_counter_number":"0"},"footnotes":""},"categories":[79],"tags":[96,87,91,83,89],"niveau":[130],"class_list":["post-1789","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-investir","tag-cotation","tag-economie","tag-investissement","tag-or","tag-pieces","niveau-debutant"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Manipulation du cours de l&#039;or : fantasme ou r\u00e9alit\u00e9 ? - L&#039;acad\u00e9mie AuCOFFRE<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.aucoffre.com\/academie\/manipulation-du-cours-de-lor-fantasme-ou-realite\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Manipulation du cours de l&#039;or : fantasme ou r\u00e9alit\u00e9 ? - L&#039;acad\u00e9mie AuCOFFRE\" \/>\n<meta property=\"og:description\" content=\"La mal\u00e9diction du roi Midas, la mythique cit\u00e9 d\u2019or de l\u2019Eldorado, l\u2019\u00e9pisode de la ru\u00e9e vers l\u2019or\u2026 depuis des si\u00e8cles, le m\u00e9tal dor\u00e9 attise la convoitise et d\u00e9veloppe notre imagination fertile. 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