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{"id":31854,"date":"2020-03-20T09:30:55","date_gmt":"2020-03-20T08:30:55","guid":{"rendered":"https:\/\/www.dadamoney.com\/?p=31854"},"modified":"2020-03-20T00:46:08","modified_gmt":"2020-03-19T23:46:08","slug":"cosa-sono-gli-interruttori-automatici-in-borsa-e-come-funzionano-bloomberg","status":"publish","type":"post","link":"https:\/\/www.dadamoney.com\/?p=31854","title":{"rendered":"Cosa sono gli interruttori automatici in borsa, e come funzionano? | Bloomberg"},"content":{"rendered":"

Cosa sono gli interruttori automatici<\/strong> di riserva in borsa e come funzionano? I mercati di tutto il mondo li usano per cercare di controllare i crolli. Ma non tutti pensano che siano una buona idea.<\/p>\n

*****************<\/p>\n

Introdotti negli Stati Uniti dopo il Black Monday del 1987, gli interruttori automatici fanno scattare una sospensione dal trading.<\/p>\n

Negli Stati Uniti, un interruttore iniziale viene attivato quando l’S&P scende del 7%. Il trading viene poi interrotto per 15 minuti.<\/p>\n

Se l’indice scende del 13%, un’altra pausa di 15 minuti si attiva.<\/p>\n

Un calo del 20% fa scattare un interruttore di livello tre, ponendo fine al trading per la giornata.<\/p>\n

Durante il crash del coronavirus, l’interruttore iniziale \u00e8 stato colpito quattro volte a marzo.<\/p>\n

Gli arresti delle negoziazioni possono essere attivati anche sui futures azionari e sulle singole azioni.<\/p>\n

I sostenitori dicono che l’interruttore pu\u00f2 agire come un rallentatore stradale durante un rapido declino del mercato.<\/p>\n

Gli oppositori dicono che le interruzioni interferiscono in modo inaccettabile con l’efficienza dei prezzi.<\/p>\n","protected":false},"excerpt":{"rendered":"

Cosa sono gli interruttori automatici di riserva in borsa e come funzionano? I mercati di tutto il mondo li usano per cercare di controllare i crolli. Ma non tutti pensano che siano una buona idea.<\/p>\n","protected":false},"author":324,"featured_media":31855,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"video","meta":{"footnotes":""},"categories":[9],"tags":[60,91,140,67,93,68,73],"class_list":{"0":"post-31854","1":"post","2":"type-post","3":"status-publish","4":"format-video","5":"has-post-thumbnail","7":"category-finanza","8":"tag-azioni","9":"tag-borse","10":"tag-educazione-finanziaria","11":"tag-financial-literacy","12":"tag-mercati-finanziari","13":"tag-mondo-della-finanza","14":"tag-obbligazioni","15":"post_format-post-format-video"},"_links":{"self":[{"href":"https:\/\/www.dadamoney.com\/index.php?rest_route=\/wp\/v2\/posts\/31854","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.dadamoney.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.dadamoney.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.dadamoney.com\/index.php?rest_route=\/wp\/v2\/users\/324"}],"replies":[{"embeddable":true,"href":"https:\/\/www.dadamoney.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=31854"}],"version-history":[{"count":1,"href":"https:\/\/www.dadamoney.com\/index.php?rest_route=\/wp\/v2\/posts\/31854\/revisions"}],"predecessor-version":[{"id":31856,"href":"https:\/\/www.dadamoney.com\/index.php?rest_route=\/wp\/v2\/posts\/31854\/revisions\/31856"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.dadamoney.com\/index.php?rest_route=\/wp\/v2\/media\/31855"}],"wp:attachment":[{"href":"https:\/\/www.dadamoney.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=31854"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.dadamoney.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=31854"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.dadamoney.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=31854"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}