{"id":425,"date":"2024-09-06T15:31:08","date_gmt":"2024-09-06T15:31:08","guid":{"rendered":"https:\/\/europaskolos.lt\/index.php\/2024\/09\/06\/tyrimu-apzvalga-2024-m-rugsejo-6-d-portfelio-rizikos-valdymas\/"},"modified":"2024-09-06T15:31:08","modified_gmt":"2024-09-06T15:31:08","slug":"tyrimu-apzvalga-2024-m-rugsejo-6-d-portfelio-rizikos-valdymas","status":"publish","type":"post","link":"https:\/\/europaskolos.lt\/index.php\/2024\/09\/06\/tyrimu-apzvalga-2024-m-rugsejo-6-d-portfelio-rizikos-valdymas\/","title":{"rendered":"Tyrim\u0173 ap\u017evalga | 2024 m. rugs\u0117jo 6 d. | Portfelio rizikos valdymas"},"content":{"rendered":"<p> <br \/>\n<\/p>\n<div>\n<p><span style=\"color: #ff0000;\"><strong>Pusiau nepastovumo valdomi portfeliai<\/strong><\/span><br \/>Daniel Batista da Silva (\u017denevos U.) ir M. Fernandes (Getulio Vargas Fnd.)<br \/><strong>2024 m. liepos m\u0117n<\/strong><br \/><em>Yra daug \u012frodym\u0173, kad nepastovumo valdymas padeda pagerinti pagal rizik\u0105 \u012fvertintus impuls\u0173 portfeli\u0173 rezultatus. Ta\u010diau ma\u017eiau ai\u0161ku, kad tai tinka kitiems veiksniams ir anomalij\u0173 portfeliams. Mes parodome, kad kontroliuojant auk\u0161tyn ir neigiamomis nepastovumo sudedamosiomis dalimis gaunami patikimesni pagal rizik\u0105 koreguoti rezultatai, atsi\u017evelgiant \u012f daugyb\u0119 veiksni\u0173 ir anomalij\u0173 portfelius, taip pat bir\u017eoje prekiaujamus fondus. Vis\u0173 pirma si\u016blome pusiau nepastovumo valdomus portfelius, kurie, be \u012fsiskolinim\u0173 ma\u017einimo, kai svyruoja didelis neigiamas svyravimas, taip pat i\u0161naudoja didesn\u0119 tik\u0117tin\u0105 gr\u0105\u017e\u0105 gero nepastovumo metu. Pastebime, kad m\u016bs\u0173 pusiau nepastovumo valdom\u0173 portfeli\u0173, kurie kontroliuoja ir i\u0161krypim\u0105, ir neigiam\u0105 nepastovum\u0105, rezultatai yra geresni nei pirminiai portfeliai ir esami (pusiau) nepastovumo valdymo pasi\u016blymai.<\/em><\/p>\n<p><span style=\"color: #ff0000;\"><strong>Ar sistemin\u0117 uodegos rizika yra svarbi?<\/strong><\/span><br \/>Evarist Stoja (Bristolio universitetas) ir kt.<br \/><strong>2024 m. liepos m\u0117n<\/strong><br \/><em>Sistemin\u0117 uodegos rizika laikoma svarbiu veiksniu, lemian\u010diu laukiam\u0105 rizikingo turto gr\u0105\u017e\u0105. Nagrin\u0117jame jo poveik\u012f i\u0161 dviej\u0173 perspektyv\u0173 vieningoje sistemoje, kuri kyla i\u0161 paprasto turto kainodaros modelio. \u017dvelgiant i\u0161 pirmos perspektyvos, sistemin\u0117 uodegos rizika yra prilyginama apibendrintam priklausomyb\u0117s nuo uodegos koeficientui ir kompensuojama ekonomi\u0161kai nema\u017ea ir statisti\u0161kai reik\u0161minga priemoka. \u017dvelgiant i\u0161 antrosios perspektyvos, sistemin\u0117 uodegos rizika yra prilyginama to paties koeficiento sandaugai su normalizuotu uodegos rizikos matu ir neatrodo, kad ji u\u017edirbt\u0173 priemok\u0105. Mes i\u0161nagrin\u0117jame \u0161ias prie\u0161taringas i\u0161vadas ir bandome jas suderinti. \u012erodymai rodo, kad m\u016bs\u0173 antrosios sistemin\u0117s uodegos rizikos priemon\u0117s komponentams gali b\u016bti b\u016bdingi bendri bruo\u017eai. \u0160i i\u0161vada gali pad\u0117ti paai\u0161kinti prie\u0161taringus literat\u016bros \u012frodymus.<\/em><\/p>\n<p><span style=\"color: #ff0000;\"><strong>Beyond Trend Following: gilus mokymasis rinkos tendencij\u0173 prognozavimui<\/strong><\/span><br \/>Fernando Berzal (Granados JAV) ir Alberto Garcia (ACCI Capital Inv.)<br \/><strong>2024 m. bir\u017eelio m\u0117n<\/strong><br \/><em>Tendencij\u0173 sekimas ir investavimas \u012f impuls\u0105 yra \u012fprastos turto valdytoj\u0173 strategijos. Nors jie gali b\u016bti naudingi tinkamose situacijose, jie yra riboti ta prasme, kad jie veikia tik \u017ei\u016brint \u012f praeit\u012f, tarsi vairuotume sutelk\u0119 d\u0117mes\u012f \u012f galinio vaizdo veidrod\u0117l\u012f. \u0160iame straipsnyje mes pasisakome u\u017e dirbtinio intelekto ir ma\u0161ininio mokymosi metod\u0173 naudojim\u0105, kad b\u016bt\u0173 galima numatyti ateities rinkos tendencijas. \u0160ios prognoz\u0117s, tinkamai atliktos, gali pagerinti turto valdytoj\u0173 veikl\u0105, padidindamos gr\u0105\u017e\u0105 ir suma\u017eindamos l\u0117\u0161\u0173 i\u0161mok\u0117jim\u0105. Indekso s\u0105lygos \u2013 tendencij\u0173 sekimas, impuls\u0173 investavimas, akcij\u0173 prognozavimas, rinkos prognozavimas, tendencij\u0173 numatymas, investavimo strategija, ma\u0161ininis mokymasis, gilus mokymasis, hiperparametr\u0173 derinimas.<\/em><\/p>\n<p><span style=\"color: #ff0000;\"><strong>Investavimo rizika ir atlygis<\/strong><\/span><br \/>Ronaldas Q. Doeswijkas (nepriklausomas) ir Laurensas Swinkelsas (\u201eErasmus U. Rotterdam\u201c)<br \/><strong>2024 m. rugpj\u016b\u010dio m\u0117n<\/strong><br \/><em>Mes tiriame investavimo rizik\u0105 ir naud\u0105 kurdami visapus\u012f rinkos portfel\u012f, kurio pasaulinis turtas yra 150 trilijon\u0173 USD ir apimantis 1970\u20132022 m., kas m\u0117nes\u012f. M\u0117nesio da\u017enis leid\u017eia tiksliau \u012fvertinti investavimo rizik\u0105, palyginti su ankstesniais tyrimais. Nors pasaulin\u0117s rinkos portfelio Sharpe rodiklis n\u0117ra daug didesnis nei akcij\u0173, laikui b\u0117gant jis yra daug stabilesnis. Be to, pasaulin\u0117s rinkos portfelio skolos yra ne tokios gilios ir trumpesn\u0117s. Kai rinkos portfelis i\u0161rei\u0161kiamas kitomis valiutomis nei JAV doleris, investavimo rizika atrodo didesn\u0117.<\/em><\/p>\n<hr\/>\n<p style=\"text-align: center;\"><span style=\"color: #ff0000;\"><i>I\u0161mokite naudoti R portfelio analizei <\/i><\/span><br \/><span style=\"color: #0000ff;\"><strong>Kiekybin\u0117 investicij\u0173 portfelio analiz\u0117 R:<br \/>R \u012fvadas, skirtas modeliuoti portfelio rizik\u0105 ir gr\u0105\u017e\u0105<img loading=\"lazy\" decoding=\"async\" style=\"border: none !important; margin: 0px !important;\" src=\"https:\/\/ir-na.amazon-adsystem.com\/e\/ir?t=bookscs-20&amp;l=am2&amp;o=1&amp;a=1987583515\" alt=\"\" width=\"1\" height=\"1\" border=\"0\"\/><\/strong><\/span><br \/>James Picerno<\/p>\n<hr\/><\/div>\n<p><br \/>\n<br \/><a href=\"https:\/\/www.capitalspectator.com\/research-review-6-september-2024-portfolio-risk-management\/\">Source link <\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Pusiau nepastovumo valdomi portfeliaiDaniel Batista da Silva (\u017denevos U.) ir M. Fernandes (Getulio Vargas Fnd.)2024 m. liepos m\u0117nYra daug \u012frodym\u0173, kad nepastovumo valdymas padeda pagerinti pagal rizik\u0105 \u012fvertintus impuls\u0173 portfeli\u0173 rezultatus. Ta\u010diau ma\u017eiau ai\u0161ku, kad tai tinka kitiems veiksniams ir anomalij\u0173 portfeliams. Mes parodome, kad kontroliuojant auk\u0161tyn ir neigiamomis nepastovumo sudedamosiomis dalimis gaunami patikimesni pagal [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[3],"tags":[217,218,30,113,216,219],"class_list":["post-425","post","type-post","status-publish","format-standard","hentry","category-ekonomika-finansai-bankininkyste","tag-apzvalga","tag-portfelio","tag-rizikos","tag-rugsejo","tag-tyrimu","tag-valdymas"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.8 - aioseo.com -->\n\t<meta name=\"description\" content=\"Pusiau nepastovumo valdomi portfeliaiDaniel Batista da Silva (\u017denevos U.) ir M. 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