{"id":3343,"date":"2024-01-16T19:10:00","date_gmt":"2024-01-16T19:10:00","guid":{"rendered":"http:\/\/www.goncalo.pt\/por\/?p=3343"},"modified":"2024-03-07T18:43:41","modified_gmt":"2024-03-07T18:43:41","slug":"2024-01-16-a-testar-parametros-optimizacao-nos-meus-trading-systems-num-terminal-de-linux-em-c","status":"publish","type":"post","link":"https:\/\/www.goncalo.pt\/por\/2024\/01\/16\/2024-01-16-a-testar-parametros-optimizacao-nos-meus-trading-systems-num-terminal-de-linux-em-c\/","title":{"rendered":"2024-01-16 &#8211; A testar par\u00e2metros (optimiza\u00e7\u00e3o) nos meus trading systems, num Terminal de Linux em C++&#8230;"},"content":{"rendered":"\n<p>Aqui podem espreitar eu a testar uma variante dos meus trading systems, num \u00fanico ano de c\u00e2mbios, para ver qual o par\u00e2metro que daria mais lucro nesse ano, com alavancagem de 25\/1:<\/p>\n\n\n\n<figure class=\"wp-block-video\"><video controls src=\"http:\/\/www.goncalo.pt\/por\/wp-content\/uploads\/2024\/01\/2024-01-16-Testing-Trading-Systems-Parameters-on-a-Linux-Terminal-using-Cpp.mp4\"><\/video><\/figure>\n\n\n\n<p>E em gr\u00e1ficos que fiz no terminal, at\u00e9 um dia o fazer melhor, s\u00e3o rascunhos.<\/p>\n\n\n\n<p>Agora alavancagem de 25\/1, e testar par\u00e2metros, para qu\u00ea?<\/p>\n\n\n\n<p>Em primeiro lugar, \u00e9 importante verificarem no fim, que tanto um par\u00e2metro \u00fanico de 98 daria muito lucro, como o 99, 100, 101, 102\u2026, e os 98, 97, 96, 95\u2026<\/p>\n\n\n\n<p>Isto \u00e9 super importante. Um sistema com um \u00fanico par\u00e2metro e adapt\u00e1vel acaba por ser mais poderoso que um com muitos (com mais chances de ser curve-fitted), e \u00e9 bom que seja um par\u00e2metro onde tenhamos margem de toler\u00e2ncia tamb\u00e9m.<\/p>\n\n\n\n<p>Pois um sistema onde pensamos que o par\u00e2metro ideal seja 25, e afinal 25 tem -50% de lucro, e 26 teria 200%, e 24 -50% tamb\u00e9m, n\u00e3o \u00e9 grande sistema.<\/p>\n\n\n\n<p>Um sistema onde apostemos neste caso pelo exemplo dado, no n\u00famero 98, mas afinal se falharmos e escolhermos o 99 ou 100 ou 97 ou 96 ou outros pr\u00f3ximos tivermos bastante lucro tamb\u00e9m, ser\u00e1 um sistema mil vezes melhor do que um sistema onde basta falharmos uma unidade no par\u00e2metro e perdemos dinheiro.<\/p>\n\n\n\n<p>Isto al\u00e9m da previsibilidade que n\u00e3o \u00e9 abordada aqui mas ser\u00e1 mais tarde.<\/p>\n\n\n\n<p>Agora a alavancagem, outra li\u00e7\u00e3o importante.<\/p>\n\n\n\n<p>Porqu\u00ea testar com uma alavancagem de 25\/1 e n\u00e3o de 1\/1?<\/p>\n\n\n\n<p>S\u00f3 para mostrar ganhos surreais? Nada disso.<\/p>\n\n\n\n<p>Dois sistemas podem ter performances parecidas, cada um com 30% a 1\/1 (sem alavancagem), mas se subirmos a alavancagem para 10\/1, o primeiro pode ter 5000% e o outro apenas 150%, o que j\u00e1 d\u00e1 para diferenciar ambos, e a 25\/1, um pode dar 54.000% e o outro rebentar e dar -99%.<\/p>\n\n\n\n<p>\u00c9 que com alavancagens altas, temos mais chances de ter margin-calls, e perdas bem maiores, do que sem alavancagem.<\/p>\n\n\n\n<p>\u00c9 com alavancagens altas que vejo quando um sistema \u00e9 robusto.<\/p>\n\n\n\n<p>Com 25\/1 j\u00e1 d\u00e1 para ver (testando nas piores condi\u00e7\u00f5es, sem stop losses, etc), que um sistema n\u00e3o resiste e quebra com as margin-calls, enquanto que o outro sabe sempre sair a tempo e ainda proporciona lucro com alavancagens altas de 25\/1, o que \u00e9 excelente.<\/p>\n\n\n\n<p>\u00c9 por isso que ir\u00e3o ver sistemas meus com milhares e milh\u00f5es de porcento de lucro, n\u00e3o \u00e9 que eu seja maluquinho e ache que v\u00e1 ganhar milhares de % ao ano LOL, mas sim porque d\u00e1 jeito eu test\u00e1-los assim (sim porque em x anos posso).<\/p>\n\n\n\n<p>Claro que n\u00e3o sou um idiota nestas coisas, e n\u00e3o acho que irei fazer milh\u00f5es de porcento na vida real em apenas um ano com um sistema de trading (sim porque em x anos posso).<\/p>\n\n\n\n<p>\u00c9 mesmo para testar os sistemas de forma firme e nas piores condi\u00e7\u00f5es.<\/p>\n\n\n\n<p>S\u00e3o provas de fogo.<\/p>\n\n\n\n<p>Neste caso com margin-calls a 50%, activas, mas sem qualquer uso de stop-loss ou take-profit, sem risk e money management, nada.<\/p>\n\n\n\n<p>Mas claro, estou \u00e0 procura dos melhores par\u00e2metros, n\u00e3o achando que optimizando desta forma me faria ter lucro, pois isto seria curve-fitting, mas sim para ver os limites do sistema, os seus m\u00e1ximos numa dada circunst\u00e2ncia.<\/p>\n\n\n\n<p>Esta \u00e9 a minha forma de testar as rotinas antes de passar isto um dia para gr\u00e1fico, como fa\u00e7o com os videojogos no meu Game Engine.<\/p>\n\n\n\n<p>N\u00e3o me dei ao trabalho de eliminar o flickering no terminal porque acho desnecess\u00e1rio, pois \u00e9 apenas para testes iniciais, e assim que tudo esteja pronto, passarei a meter tudo isto numa interface gr\u00e1fica brutal, s\u00f3 minha.<\/p>\n\n\n\n<p>Ainda vou perder tempo depois a testar os v\u00e1rios anos, criar auto-adapta\u00e7\u00e3o dos sistemas, adicionar mais I.A. a tudo, etc.<\/p>\n\n\n\n<p>E a adicionar e melhorar os sistemas em si.<\/p>\n\n\n\n<p>S\u00f3 depois come\u00e7arei a criar a minha super interface gr\u00e1fica lind\u00edssima com tudo isto, onde farei tudo com o rato.<\/p>\n\n\n\n<p>E notem que aqui testo uns 100 par\u00e2metros, s\u00e3o largos milhares de milh\u00f5es de opera\u00e7\u00f5es em segundos.<\/p>\n\n\n\n<p>E \u00e9 uma maneira linda de testar no terminal de Linux, certo?<\/p>\n\n\n\n<p>Bem, isto \u00e9 apenas o come\u00e7o de um longo caminho.<\/p>\n\n\n\n<p>Mais not\u00edcias posteriormente.<\/p>\n\n\n\n<p>Hasta!<\/p>\n\n\n\n<p>2024-01-16.<\/p>\n\n\n\n<p>Publicado no mesmo dia no meu LinkedIn em:<\/p>\n\n\n\n<p><a href=\"https:\/\/www.linkedin.com\/posts\/goncalopt_aqui-podem-espreitar-eu-a-testar-uma-variante-activity-7153101785455378432-fYqa?utm_source=share&amp;utm_medium=member_desktop\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/www.linkedin.com\/posts\/goncalopt_aqui-podem-espreitar-eu-a-testar-uma-variante-activity-7153101785455378432-fYqa?utm_source=share&amp;utm_medium=member_desktop<\/a><\/p>\n\n\n\n<p>Post seguinte referente aos meus Trading Systems, e ao meu Trading Systems&#8217; Back-Tester:<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-wp-embed is-provider-goncalo-ferreira wp-block-embed-goncalo-ferreira\"><div class=\"wp-block-embed__wrapper\">\n<blockquote class=\"wp-embedded-content\" data-secret=\"rj13WpIuBY\"><a href=\"https:\/\/www.goncalo.pt\/por\/2024\/01\/20\/2024-01-20-a-mudanca-de-comportamento-nos-mercados-cambiais-nos-ultimos-4-anos-analisada-pelo-meu-trading-systems-back-tester-em-c-com-novas-performances\/\">2024-01-20 &#8211; A mudan\u00e7a de comportamento nos mercados cambiais nos \u00faltimos 4 anos, analisada pelo meu Trading Systems Back-Tester em C++, com novas performances&#8230;<\/a><\/blockquote><iframe loading=\"lazy\" class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; clip: rect(1px, 1px, 1px, 1px);\" title=\"&#8220;2024-01-20 &#8211; A mudan\u00e7a de comportamento nos mercados cambiais nos \u00faltimos 4 anos, analisada pelo meu Trading Systems Back-Tester em C++, com novas performances&#8230;&#8221; &#8212; Gon\u00e7alo Ferreira\" src=\"https:\/\/www.goncalo.pt\/por\/2024\/01\/20\/2024-01-20-a-mudanca-de-comportamento-nos-mercados-cambiais-nos-ultimos-4-anos-analisada-pelo-meu-trading-systems-back-tester-em-c-com-novas-performances\/embed\/#?secret=rj13WpIuBY\" data-secret=\"rj13WpIuBY\" width=\"600\" height=\"338\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe>\n<\/div><figcaption>2024-01-20 \u2013 A mudan\u00e7a de comportamento nos mercados cambiais nos \u00faltimos 4 anos, analisada pelo meu Trading Systems Back-Tester em C++, com novas performances\u2026<\/figcaption><\/figure>\n\n\n\n<p>Post anterior referente aos meus Trading Systems, e ao meu Trading Systems&#8217; Back-Tester:<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-wp-embed is-provider-goncalo-ferreira wp-block-embed-goncalo-ferreira\"><div class=\"wp-block-embed__wrapper\">\n<blockquote class=\"wp-embedded-content\" data-secret=\"hJDk6UdhZE\"><a href=\"https:\/\/www.goncalo.pt\/por\/2024\/01\/12\/2024-01-12-back-testers-ja-com-um-dos-meus-sistemas-reais-a-calcular-lucros-entre-2002-2003-no-eur-usd-com-boas-performances-e-graficos-melhorados-em-c\/\">2024-01-12 &#8211; Back-Testers j\u00e1 com um dos meus sistemas reais a calcular lucros entre 2002-2003 no EUR\/USD com boas performances e gr\u00e1ficos melhorados, em C++&#8230;<\/a><\/blockquote><iframe loading=\"lazy\" class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; clip: rect(1px, 1px, 1px, 1px);\" title=\"&#8220;2024-01-12 &#8211; Back-Testers j\u00e1 com um dos meus sistemas reais a calcular lucros entre 2002-2003 no EUR\/USD com boas performances e gr\u00e1ficos melhorados, em C++&#8230;&#8221; &#8212; Gon\u00e7alo Ferreira\" src=\"https:\/\/www.goncalo.pt\/por\/2024\/01\/12\/2024-01-12-back-testers-ja-com-um-dos-meus-sistemas-reais-a-calcular-lucros-entre-2002-2003-no-eur-usd-com-boas-performances-e-graficos-melhorados-em-c\/embed\/#?secret=hJDk6UdhZE\" data-secret=\"hJDk6UdhZE\" width=\"600\" height=\"338\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe>\n<\/div><figcaption>2024-01-12 \u2013 Back-Testers j\u00e1 com um dos meus sistemas reais a calcular lucros entre 2002-2003 no EUR\/USD com boas performances e gr\u00e1ficos melhorados, em C++\u2026<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/www.goncalo.pt\/por\/wp-content\/uploads\/2024\/01\/2024-01-16-Testing-Trading-Systems-Parameters-on-a-Linux-Terminal-using-Cpp.gif\" alt=\"2024-01-16 - A testar par\u00e2metros (optimiza\u00e7\u00e3o) nos meus trading systems, num Terminal de Linux em C++...\" class=\"wp-image-3344\" width=\"1138\" height=\"732\"\/><figcaption>2024-01-16 &#8211; A testar par\u00e2metros (optimiza\u00e7\u00e3o) nos meus trading systems, num Terminal de Linux em C++&#8230; <\/figcaption><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Aqui podem espreitar eu a testar uma variante dos meus trading systems, num \u00fanico ano de c\u00e2mbios, para ver qual<\/p>\n","protected":false},"author":1,"featured_media":3344,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5,3,44,98,4,164,163,97],"tags":[104,7,105,357,314,120,103,106,160,161,101],"class_list":["post-3343","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-programacao","category-projectos","category-sistemas","category-sistemas-de-trading","category-softwares","category-top","category-top-trading-systems","category-trading","tag-bolsa","tag-c","tag-forex","tag-mechanical-trading-systems","tag-performance","tag-programacao","tag-sistemas-de-trading","tag-sistemas-de-trading-mecanicos","tag-top","tag-top-trading-systems","tag-trading-systems"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>2024-01-16 - A testar par\u00e2metros (optimiza\u00e7\u00e3o) nos meus trading systems, num Terminal de Linux em C++... - Gon\u00e7alo Ferreira<\/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.goncalo.pt\/por\/2024\/01\/16\/2024-01-16-a-testar-parametros-optimizacao-nos-meus-trading-systems-num-terminal-de-linux-em-c\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"2024-01-16 - A testar par\u00e2metros (optimiza\u00e7\u00e3o) nos meus trading systems, num Terminal de Linux em C++... - Gon\u00e7alo Ferreira\" \/>\n<meta property=\"og:description\" content=\"Aqui podem espreitar eu a testar uma variante dos meus trading systems, num \u00fanico ano de c\u00e2mbios, para ver qual\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.goncalo.pt\/por\/2024\/01\/16\/2024-01-16-a-testar-parametros-optimizacao-nos-meus-trading-systems-num-terminal-de-linux-em-c\/\" \/>\n<meta property=\"og:site_name\" content=\"Gon\u00e7alo Ferreira\" \/>\n<meta property=\"article:published_time\" content=\"2024-01-16T19:10:00+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-03-07T18:43:41+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.goncalo.pt\/por\/wp-content\/uploads\/2024\/01\/2024-01-16-Testing-Trading-Systems-Parameters-on-a-Linux-Terminal-using-Cpp.gif\" \/>\n\t<meta property=\"og:image:width\" content=\"577\" \/>\n\t<meta property=\"og:image:height\" content=\"371\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/gif\" \/>\n<meta name=\"author\" content=\"gnmf\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"gnmf\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.goncalo.pt\/por\/2024\/01\/16\/2024-01-16-a-testar-parametros-optimizacao-nos-meus-trading-systems-num-terminal-de-linux-em-c\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.goncalo.pt\/por\/2024\/01\/16\/2024-01-16-a-testar-parametros-optimizacao-nos-meus-trading-systems-num-terminal-de-linux-em-c\/\"},\"author\":{\"name\":\"gnmf\",\"@id\":\"https:\/\/www.goncalo.pt\/por\/#\/schema\/person\/28a9f845c4de91a7c067707279b1d8dd\"},\"headline\":\"2024-01-16 &#8211; 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