็ป„ๅˆ้ข„ๆœŸๆ”ถ็›Š่ฎก็ฎ—ๅ™จ

E(Rp) = ฮฃ wแตขยทRแตข

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๐Ÿ“ ่ฎก็ฎ—ๅ…ฌๅผ
E(Rp) = ฮฃ w_iยทR_i

ๆŒ‰ๆƒ้‡ๅŠ ๆ€ป็š„็ป„ๅˆๆœŸๆœ›ๆ”ถ็›Šใ€‚

๐Ÿ“Œ ่ฎก็ฎ—่ฏดๆ˜Ž
  • 60%ร—12%+40%ร—8% = 10.4%ใ€‚
  • ๆƒ้‡ๅบ”ๅˆ่ฎก 100%ใ€‚

๐Ÿ“š ๆทฑๅบฆ่งฃๆž๏ผš็ป„ๅˆ้ข„ๆœŸๆ”ถ็›Š๏ผˆๅŠ ๆƒๅนณๅ‡๏ผ‰

๐Ÿ’ก ๅธธ่งไฝฟ็”จๅœบๆ™ฏ

60%/40%๏ผš้ข„ๆœŸ 12% ไธŽ 8%
E(Rp) = 0.6ร—12% + 0.4ร—8% = 10.4%ใ€‚ๅณ็ป„ๅˆ้ข„ๆœŸๅนดๅŒ–็บฆ 10.4%ใ€‚

โ“ ๅธธ่ง้—ฎ้ข˜๏ผˆFAQ๏ผ‰

ๆƒ้‡ๆŒ‰ๅธ‚ๅ€ผ่ฟ˜ๆ˜ฏๆˆๆœฌ๏ผŸ
็”จๅฝ“ๅ‰ๅธ‚ๅ€ผๆƒ้‡ๆ›ดๅๆ˜ ๅฎž้™…ๆ•žๅฃ๏ผ›ๅ†ๅนณ่กกๆ—ถๅ›žๅˆฐ็›ฎๆ ‡ๆƒ้‡๏ผŒๆ”ถ็›Š้šไน‹ๆ›ดๆ–ฐใ€‚