{"id":3366,"date":"2025-05-30T10:52:38","date_gmt":"2025-05-30T07:52:38","guid":{"rendered":"https:\/\/baytutumlu.com\/?p=3366"},"modified":"2025-05-30T10:52:39","modified_gmt":"2025-05-30T07:52:39","slug":"piyasa-zamanlamasi-mi-zaman-kaybi-mi","status":"publish","type":"post","link":"https:\/\/baytutumlu.com\/index.php\/2025\/05\/30\/piyasa-zamanlamasi-mi-zaman-kaybi-mi\/","title":{"rendered":"Piyasa Zamanlamas\u0131 M\u0131, Zaman Kayb\u0131 M\u0131?"},"content":{"rendered":"\n<p>Her yat\u0131r\u0131mc\u0131n\u0131n r\u00fcyas\u0131d\u0131r. Piyasay\u0131 m\u00fckemmel bir \u015fekilde zamanlamak, hisseler d\u00fc\u015ferken al\u0131p zirvedeyken satmak. Peki, ya bu hedef bu kadar karma\u015f\u0131k olmak zorunda de\u011filse? Ya sadece &#8220;borsa ge\u00e7en y\u0131l d\u00fc\u015f\u00fc\u015f ya\u015fad\u0131ysa al, y\u00fckseldiyse nakitte bekle&#8221; gibi basit bir kural, yat\u0131r\u0131mc\u0131lara avantaj sa\u011flayabilir miydi? Bu yaz\u0131da, tam da bu merak uyand\u0131ran sorunun cevab\u0131n\u0131 aramaya \u00e7al\u0131\u015faca\u011f\u0131m.<\/p>\n\n\n\n<p>Her y\u0131l\u0131n ba\u015f\u0131nda yat\u0131r\u0131ma haz\u0131r 1000 dolar oldu\u011funu ve bu paran\u0131n S&amp;P 500 endeksine yat\u0131r\u0131lmas\u0131n\u0131n d\u00fc\u015f\u00fcn\u00fcld\u00fc\u011f\u00fcn\u00fc varsayal\u0131m. Uygulanacak strateji olduk\u00e7a basit. E\u011fer S&amp;P 500 bir \u00f6nceki y\u0131l\u0131 kay\u0131pla kapatm\u0131\u015fsa, o y\u0131lki 1000 dolar S&amp;P 500 endeks fonuna yat\u0131r\u0131lacak. E\u011fer endeks bir \u00f6nceki y\u0131l\u0131 kazan\u00e7la kapatm\u0131\u015fsa, o y\u0131lki 1000 dolar nakitte tutulacak (bu sim\u00fclasyonda nakitteki paran\u0131n faiz getirmedi\u011fi varsay\u0131lm\u0131\u015ft\u0131r). Bu strateji, 1928&#8217;den 2025&#8217;e kadar olan, yani neredeyse bir as\u0131rl\u0131k bir d\u00f6nemi kapsayan S&amp;P 500 verileriyle test edilecek. Bakal\u0131m bu zamanlama stratejisi, her ko\u015fulda d\u00fczenli yat\u0131r\u0131m yapmaya k\u0131yasla ne gibi sonu\u00e7lar do\u011furacak?<\/p>\n\n\n\n<p><a href=\"https:\/\/x.com\/BayTutumlu\/article\/1928044204963278904\/media\/1928043702846357504\"><\/a><\/p>\n\n\n\n<figure class=\"wp-block-image\"><a href=\"https:\/\/x.com\/BayTutumlu\/article\/1928044204963278904\/media\/1928043702846357504\"><img decoding=\"async\" src=\"https:\/\/pbs.twimg.com\/media\/GsHJiFOWAAAQyZM?format=png&amp;name=medium\" alt=\"Image\"\/><\/a><\/figure>\n\n\n\n<p>Bu analizde NYU Stern School of Business verilerini kulland\u0131m. Linki a\u015fa\u011f\u0131ya ekliyorum. Excel dosyas\u0131 olarak da indirebilirsiniz.<\/p>\n\n\n\n<p><a href=\"https:\/\/pages.stern.nyu.edu\/~adamodar\/New_Home_Page\/datafile\/histretSP.html\">https:\/\/pages.stern.nyu.edu\/~adamodar\/New_Home_Page\/datafile\/histretSP.html<\/a><\/p>\n\n\n\n<p>Piyasa zamanlamas\u0131n\u0131n cazibesi, d\u00fc\u015f\u00fc\u015flerden ka\u00e7\u0131narak \u00fcst\u00fcn getiriler vaat etmesinde yatar. Ancak bu basitlik yan\u0131lt\u0131c\u0131 olabilir. Bu stratejinin alt\u0131nda yatan mant\u0131k (daha ucuza almak), al\u0131m sinyali gelmedi\u011finde piyasada olunmamas\u0131n\u0131n f\u0131rsat maliyetini hesaba katm\u0131yor. \u00dcstelik, bu t\u00fcr mekanik bir stratejiye ba\u011fl\u0131 kalman\u0131n psikolojik zorluklar\u0131 da g\u00f6z ard\u0131 edilmemeli; \u00f6zellikle de nakit pozisyonu d\u00fc\u015f\u00fck performans g\u00f6sterirken veya piyasa al\u0131m sinyali vermeden y\u00fckselmeye devam ederken.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Biriktir ve K\u00f6t\u00fc Y\u0131ldan Sonra Hepsini Yat\u0131r Kural\u0131 Nas\u0131l \u0130\u015fliyor?<\/strong><\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Her takvim y\u0131l\u0131n\u0131n ba\u015f\u0131nda, y\u0131ll\u0131k 1000 dolarl\u0131k katk\u0131 pay\u0131 bir kenara (nakit havuzuna) eklenir.<\/li>\n\n\n\n<li>Bir \u00f6nceki y\u0131l\u0131n S&amp;P 500 endeks performans\u0131na bak\u0131l\u0131r.<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>E\u011fer S&amp;P 500 bir \u00f6nceki y\u0131l\u0131 <strong>negatif<\/strong> bir getiriyle kapatm\u0131\u015fsa o ana kadar nakit havuzunda birikmi\u015f olan <strong>t\u00fcm para<\/strong> (o y\u0131lki 1000 dolar dahil) S&amp;P 500 endeks fonuna yat\u0131r\u0131l\u0131r ve nakit havuzu s\u0131f\u0131rlan\u0131r.<\/li>\n\n\n\n<li>E\u011fer S&amp;P 500 bir \u00f6nceki y\u0131l\u0131 <strong>pozitif<\/strong> bir getiriyle kapatm\u0131\u015fsa nakit havuzundaki para yat\u0131r\u0131lmaz, birikmeye devam eder. Sadece halihaz\u0131rda S&amp;P 500&#8217;de bulunan yat\u0131r\u0131mlar piyasa getirisi kadar de\u011ferlenir.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Kar\u015f\u0131la\u015ft\u0131rma Kriteri: Her Y\u0131l D\u00fczenli Yat\u0131r\u0131m (Dolar Maliyet Ortalamas\u0131 &#8211; DCA)<\/strong><\/h2>\n\n\n\n<p>Bu stratejinin etkinli\u011fini \u00f6l\u00e7mek i\u00e7in, onu yine yayg\u0131n olarak bilinen ve genellikle tavsiye edilen bir y\u00f6ntemle kar\u015f\u0131la\u015ft\u0131raca\u011f\u0131m. Dolar Maliyet Ortalamas\u0131 (DCA). Bu stratejide, piyasan\u0131n bir \u00f6nceki y\u0131l ne yapt\u0131\u011f\u0131na bak\u0131lmaks\u0131z\u0131n, her y\u0131l\u0131n ba\u015f\u0131nda d\u00fczenli olarak 1000 dolar S&amp;P 500 endeks fonuna yat\u0131r\u0131l\u0131r. Bu yakla\u015f\u0131m, piyasa d\u00fc\u015ferken de y\u00fckselirken de yat\u0131r\u0131m yapmak anlam\u0131na geliyor. Uzun vadede, bu tutarl\u0131 yat\u0131r\u0131m \u015feklinin, piyasa dalgalanmalar\u0131n\u0131n yat\u0131r\u0131mc\u0131 \u00fczerindeki etkisini yumu\u015fatmaya yard\u0131mc\u0131 oldu\u011funu d\u00fc\u015f\u00fcn\u00fcyorum.<\/p>\n\n\n\n<p>S&amp;P 500 endeksinin 1928&#8217;den bu yana ortalama y\u0131ll\u0131k getirisi %9.96 civar\u0131nda, bu da piyasada bulunman\u0131n genellikle piyasa d\u0131\u015f\u0131nda kalmaktan daha avantajl\u0131 oldu\u011funu g\u00f6steriyor.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>1928-2024 Sim\u00fclasyonu<\/strong><\/h2>\n\n\n\n<p>\u015eimdi hesaplamalara ge\u00e7elim. 1928&#8217;den 2024 sonuna kadar olan S&amp;P 500 y\u0131ll\u0131k getiri verileri (temett\u00fcler dahil) kullan\u0131larak her iki strateji de y\u0131l y\u0131l sim\u00fcle edildi. Her y\u0131l 1000 dolarl\u0131k bir yat\u0131r\u0131m b\u00fct\u00e7esi oldu\u011fu ve elde edilen temett\u00fclerin yeniden yat\u0131r\u0131ld\u0131\u011f\u0131 varsay\u0131ld\u0131. Toplamda 97 y\u0131l boyunca her iki strateji i\u00e7in de 97.000 dolar yat\u0131r\u0131lm\u0131\u015f oldu.<\/p>\n\n\n\n<p>A\u015fa\u011f\u0131daki tablo, iki stratejinin performans\u0131n\u0131 \u00f6zetlemektedir:<a href=\"https:\/\/x.com\/BayTutumlu\/article\/1928044204963278904\/media\/1928041174016647168\"><\/a><\/p>\n\n\n\n<figure class=\"wp-block-image\"><a href=\"https:\/\/x.com\/BayTutumlu\/article\/1928044204963278904\/media\/1928041174016647168\"><img decoding=\"async\" src=\"https:\/\/pbs.twimg.com\/media\/GsHHO4mW4AAgEe0?format=png&amp;name=small\" alt=\"Image\"\/><\/a><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Sonu\u00e7lar<\/strong><\/h2>\n\n\n\n<p>Tablodaki rakamlar Dolar Maliyet Ortalamas\u0131 (DCA) stratejisinin \u00fcst\u00fcnl\u00fc\u011f\u00fcn\u00fc ortaya koyuyor. DCA stratejisi, di\u011fer stratejiye k\u0131yasla yakla\u015f\u0131k 13 milyon dolar daha y\u00fcksek bir nihai portf\u00f6y de\u011ferine ula\u015fm\u0131\u015ft\u0131r. K\u00f6t\u00fc Y\u0131l Biriksin stratejisi, S&amp;P 500&#8217;e toplamda 96.000 dolar yat\u0131rm\u0131\u015f (2024 y\u0131l\u0131na ait son 1000 dolar, 2023 pozitif oldu\u011fu i\u00e7in nakitte kalm\u0131\u015ft\u0131r), DCA stratejisi ise 97.000 dolar\u0131n tamam\u0131n\u0131 piyasaya y\u00f6nlendirmi\u015ftir.<\/p>\n\n\n\n<p>Her iki stratejide de temett\u00fclerin geri yat\u0131r\u0131lmas\u0131 b\u00fcy\u00fck \u00f6nem ta\u015f\u0131yor. Temett\u00fc hari\u00e7 bir hesap yapt\u0131\u011f\u0131m\u0131zda her iki stratejide de toplam portf\u00f6yler 15 milyon dolar\u0131n alt\u0131nda kald\u0131. DCA stratejisi yine kazansa da aradaki fark \u00e7ok daha azd\u0131. \u0130\u015fte bile\u015fik getirinin sihri burada ortaya \u00e7\u0131k\u0131yor!<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Bu Stratejinin Art\u0131lar\u0131 ve Eksileri<\/strong><\/h2>\n\n\n\n<p><strong>&#8220;Biriktir ve K\u00f6t\u00fc Y\u0131ldan Sonra Hepsini Yat\u0131r&#8221; Stratejisinin Potansiyel Art\u0131lar\u0131:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Daha D\u00fc\u015f\u00fck Fiyatlardan B\u00fcy\u00fck Al\u0131mlar:<\/strong> Piyasa bir d\u00fc\u015f\u00fc\u015f ya\u015fad\u0131ktan sonra birikmi\u015f y\u00fckl\u00fc bir mebla\u011f ile yat\u0131r\u0131m yapmak, varl\u0131klar\u0131 ucuz fiyattan daha fazla miktarda almak anlam\u0131na gelebilir. Bu da, bir sonraki y\u00fckseli\u015ften potansiyel olarak daha fazla faydalanma imkan\u0131 sunar.<\/li>\n\n\n\n<li><strong>B\u00fcy\u00fck \u00c7\u00f6k\u00fc\u015flerden Ka\u00e7\u0131nma (K\u0131smen):<\/strong> Bu strateji, d\u00fc\u015f\u00fc\u015fler s\u0131ras\u0131nda de\u011fil, d\u00fc\u015f\u00fc\u015fler ya\u015fand\u0131ktan <em>sonra<\/em> al\u0131m yapar. Bu, d\u00fc\u015f\u00fc\u015f\u00fcn bir k\u0131sm\u0131ndan ka\u00e7\u0131nmay\u0131 sa\u011flayabilir, ancak d\u00fc\u015f\u00fc\u015f\u00fcn kendisine kar\u015f\u0131 tam bir koruma sa\u011flamaz.<\/li>\n<\/ul>\n\n\n\n<p><strong>&#8220;Biriktir ve K\u00f6t\u00fc Y\u0131ldan Sonra Hepsini Yat\u0131r&#8221; Stratejisinin Ciddi Eksileri:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Y\u00fckseli\u015fleri Ka\u00e7\u0131rma ve Nakit Bo\u015flu\u011fu Riski:<\/strong> En b\u00fcy\u00fck risk budur. S&amp;P 500 endeksi, tarihsel olarak zaman\u0131n b\u00fcy\u00fck bir b\u00f6l\u00fcm\u00fcnde pozitif getiri sa\u011flam\u0131\u015ft\u0131r. Bu durum, K\u00f6t\u00fc Y\u0131l Biriksin stratejisinin \u00e7o\u011fu zaman yat\u0131r\u0131mc\u0131y\u0131 b\u00fcy\u00fck miktarda nakitle kenarda bekleterek potansiyel kazan\u00e7lar\u0131 ka\u00e7\u0131rmas\u0131na neden olabilir. \u00d6zellikle enflasyonist ortamlarda nakitte bekleyen para de\u011fer kaybedebilir.<\/li>\n\n\n\n<li><strong>Planda Kalman\u0131n Psikolojik Zorlu\u011fu:<\/strong> Piyasa y\u0131llarca y\u00fckselirken ve eldeki nakit birikirken kenarda beklemek, \u00f6nemli bir sab\u0131r ve disiplin gerektirir. F\u0131rsatlar\u0131 Ka\u00e7\u0131rma Korkusu (FOMO) devreye girerek yat\u0131r\u0131mc\u0131n\u0131n stratejisinden sapmas\u0131na neden olabilir.<\/li>\n\n\n\n<li><strong>Ge\u00e7mi\u015f Performans Gelece\u011fin Garantisi De\u011fil:<\/strong> Bu analiz tamamen ge\u00e7mi\u015f verilere dayanmaktad\u0131r. Gelecekte piyasalar\u0131n ayn\u0131 \u015fekilde davranaca\u011f\u0131n\u0131n hi\u00e7bir garantisi yoktur. S&amp;P 500 tarihindeki her b\u00fcy\u00fck d\u00fc\u015f\u00fc\u015f\u00fc bir toparlanma izlemi\u015f olsa da, bu toparlanmalar\u0131n s\u00fcreleri \u00f6nemli \u00f6l\u00e7\u00fcde de\u011fi\u015fiklik g\u00f6stermi\u015ftir.<\/li>\n\n\n\n<li><strong>Nadiren Tetiklenen ve Gecikmeli Al\u0131m Sinyalleri:<\/strong> Piyasa, \u00f6nemli bir d\u00fc\u015f\u00fc\u015f ya\u015famadan uzun s\u00fcreler boyunca y\u00fckselebilir (\u00f6rne\u011fin, 1990&#8217;lardaki bo\u011fa piyasas\u0131). Bu durumda, strateji y\u0131llarca &#8220;yat\u0131r\u0131m yapma&#8221; sinyali vermez ve yat\u0131r\u0131mc\u0131 \u00f6nemli bir b\u00fcy\u00fcme d\u00f6nemini ka\u00e7\u0131r\u0131rken, nakit birikimi de at\u0131l kal\u0131r.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Bu Analizden Ne \u00d6\u011frenebiliriz?<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Piyasa Zamanlamas\u0131n\u0131n Zorlu\u011fu:<\/strong> Daha sofistike g\u00f6r\u00fcnen piyasa zamanlama kurallar\u0131 bile uzun vadede her zaman en iyi sonucu vermeyebilir. Piyasan\u0131n genel y\u00f6n\u00fcn\u00fcn yukar\u0131 oldu\u011fu bir ortamda, piyasan\u0131n d\u0131\u015f\u0131nda kalmak veya piyasaya d\u00fczensiz ve b\u00fcy\u00fck mebla\u011flarla girmek genellikle \u00f6nemli bir f\u0131rsat maliyeti yarat\u0131r.<\/li>\n\n\n\n<li><strong>Basitle\u015ftirilmi\u015f Modelin S\u0131n\u0131rl\u0131l\u0131klar\u0131:<\/strong> Bu analizde i\u015flem maliyetleri, vergiler veya nakitte tutulan paran\u0131n enflasyon kar\u015f\u0131s\u0131ndaki de\u011fer kayb\u0131 gibi fakt\u00f6rler hesaba kat\u0131lmam\u0131\u015ft\u0131r. Ger\u00e7ek d\u00fcnya ko\u015fullar\u0131nda bu fakt\u00f6rler, elde edilecek net sonu\u00e7lar\u0131 etkileyebilir.<\/li>\n\n\n\n<li><strong>DCA&#8217;n\u0131n G\u00fcc\u00fc ve Tutarl\u0131l\u0131\u011f\u0131:<\/strong> Dolar Maliyet Ortalamas\u0131, \u00f6zellikle uzun vadeli yat\u0131r\u0131mc\u0131lar i\u00e7in duygusal kararlar\u0131 azaltan, disiplinli ve genellikle etkili bir y\u00f6ntemdir. Piyasan\u0131n ne zaman d\u00fc\u015fece\u011fini veya y\u00fckselece\u011fini tahmin etmeye \u00e7al\u0131\u015fmak yerine, s\u00fcrekli yat\u0131r\u0131m yapmak \u00e7o\u011fu zaman daha verimli olabilir. DCA&#8217;n\u0131n basitli\u011fi ve tutarl\u0131l\u0131\u011f\u0131, uzun vadeli servet birikiminde g\u00fc\u00e7l\u00fc bir m\u00fcttefiktir.<\/li>\n\n\n\n<li><strong>Uzun Vadeli D\u00fc\u015f\u00fcnmek ve \u00c7e\u015fitlendirme:<\/strong> Hangi strateji se\u00e7ilirse se\u00e7ilsin, yat\u0131r\u0131m\u0131n uzun vadeli bir \u00e7aba oldu\u011fu ve portf\u00f6y \u00e7e\u015fitlendirmenin riskleri azaltmada \u00f6nemli bir rol oynad\u0131\u011f\u0131 unutulmamal\u0131d\u0131r.<\/li>\n<\/ul>\n\n\n\n<p>Okudu\u011funuz i\u00e7in te\u015fekk\u00fcr ederim.<\/p>\n\n\n\n<p>Bay Tutumlu<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Her yat\u0131r\u0131mc\u0131n\u0131n r\u00fcyas\u0131d\u0131r. Piyasay\u0131 m\u00fckemmel bir \u015fekilde zamanlamak, hisseler d\u00fc\u015ferken al\u0131p zirvedeyken satmak. Peki, ya bu hedef bu kadar karma\u015f\u0131k olmak zorunda de\u011filse? Ya sadece&#8230;<\/p>\n","protected":false},"author":2,"featured_media":3367,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"advanced_seo_description":"","jetpack_seo_html_title":"","jetpack_seo_noindex":false,"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","enabled":false}}},"categories":[3,8],"tags":[24],"class_list":["post-3366","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-erken-emeklilik","category-finansal-ozgurluk","tag-finansal-ozgurluk","entry","double"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/baytutumlu.com\/wp-content\/uploads\/2025\/05\/ChatGPT-Image-May-29-2025-02_01_34-PM.png?fit=1536%2C1024&ssl=1","jetpack-related-posts":[],"jetpack_sharing_enabled":true,"jetpack_likes_enabled":true,"_links":{"self":[{"href":"https:\/\/baytutumlu.com\/index.php\/wp-json\/wp\/v2\/posts\/3366","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/baytutumlu.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/baytutumlu.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/baytutumlu.com\/index.php\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/baytutumlu.com\/index.php\/wp-json\/wp\/v2\/comments?post=3366"}],"version-history":[{"count":1,"href":"https:\/\/baytutumlu.com\/index.php\/wp-json\/wp\/v2\/posts\/3366\/revisions"}],"predecessor-version":[{"id":3368,"href":"https:\/\/baytutumlu.com\/index.php\/wp-json\/wp\/v2\/posts\/3366\/revisions\/3368"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/baytutumlu.com\/index.php\/wp-json\/wp\/v2\/media\/3367"}],"wp:attachment":[{"href":"https:\/\/baytutumlu.com\/index.php\/wp-json\/wp\/v2\/media?parent=3366"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/baytutumlu.com\/index.php\/wp-json\/wp\/v2\/categories?post=3366"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/baytutumlu.com\/index.php\/wp-json\/wp\/v2\/tags?post=3366"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}