بناء المحفظة الاستثمارية المثلى وفق اسلوب التدريج البسيط بظل السماح وعدم السماح بالبيع القصير: دراسة تطبيقية في سوق العراق للأوراق المالية
محتوى المقالة الرئيسي
الملخص
يهدف البحث إلى بناء المحفظة الاستثمارية المثلى باستخدام انموذج Simple Ranking الذي يستند الى انموذج مؤشر السوق بظل السماح وعدم السماح بالبيع القصير. وإن مجتمع البحث يشمل جميع الشركات المدرجة في سوق العراق للأوراق المالية للقطاعات الثمان وهي (المصارف، التأمين، الاستثمار، الخدمات، الصناعة، الفنادق والسياحة، الزراعة، الاتصالات، التحويل المالي) والتي بلغت 133 شركة، تم اختيار عينة البحث والتي تتألف من 41 شركة تنتمي لمختلف القطاعات الاقتصادية ومدرجة في سوق العراق للأوراق المالية[1] ولمدة (87 شهر)، أي المدة الممتدة 17/3/2015-17/5/2022. ونستنتج من خلال البحث أنه بالإمكان بناء محفظة مثلى بإنموذج Simple Ranking المستند لنموذج السوق ذو المؤشر الواحد في ظل السماح وعدم السماح بالبيع القصير ومقارنتها بمحفظة السوق. ويوصي ضرورة توعية المستثمرين والمتعاملين في سوق العراق للأوراق المالية لغرض الاعتماد على نموذج Simple Ranking بظل السماح وعدم السماح بالبيع القصير لبناء محفظة المثلى لما يقدمه من تبسيط للمدخلات ونتائج دقيقة يمكن الاعتماد عليها لاختيار الأسهم التي تحقق أفضل مبادلة بين العائد والمخاطرة.
التنزيلات
تفاصيل المقالة
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