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Bu calismanin amaci , Borsa Istanbul (BIST) Şehir Endeksinde yer alan nufusu en yogun bes sehirde (Istanbul, Ankara, Izmir, Bursa, Antalya) 01.08.2010 – 01.08.2019 doneminde ay ici ve ay donumu anomalilerin varliginin incelenmesidir. Calisma kapsaminda, getirilerin hesaplanmasi icin soz konusu sehirlerin borsa endekslerinin (XSIST, XSANK, XSIZM, XSBUR, XSANT) gunluk kapanis fiyatlarindan yararlanilmistir. Analiz doneminde en yuksek ortalama getirinin Izmir Şehir Endeksinde, en dusuk ortalama getirinin ise Antalya Şehir Endeksinde oldugu gorulmustur. Anomalilerin incelenmesinde, degisen varyans (heteroskedastisite) sorununun bulunmasi nedeniyle kukla degiskenlerin yer aldigi GARCH (1,1) modeli kullanilmistir. Analizlerin sonucunda, Istanbul disindaki dort sehir endeksinde ay ici anomalisi, nufus acisindan en buyuk uc sehir olan Istanbul, Ankara ve Izmir Endekslerinde ise ay donumu anomalisi tespit edilmistir.

Examining the Intra-month and Turn-of-the-Month Anomalies in BIST City Indices