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Lukenn said,
" Hypothetical situation :
4Q2014 :
- 1Y, 3Y Sharp ratios for CIMB APDI, Eastspring MY Focus, Kenanga Syariah Growth all above 1.3, APDI >2.0
- 1Y, 3Y (and some 5Y) performance was double digit.
- "High sharpe" and "high returns" ..... go balls deep lor."
Kisah benar, hari ini dalam sejarah: This reminded me of mid 2014 when all the China fund was like this. High return, awesome Sharpe ratio within the 1 year period. It beat all other geographical segment flat down. It is like our Dato LCW beating that forgettable Surinam badminton player.
Then suddenly, you all know what happen. Why is this so? Looking back in hindsight, the Standard Deviation was very high no doubt, but the ROI in one year is f3ckingly so high that the Sharpe ratio invariably looks so pretty & nice. Then it turn sour just like that and investors lost 20 - 30% of their investment.
Some lesson learnt from the burnt:
I) Use three years data instead of one year.
II) Even if the Sharpe ratio looks good, take a look at the Stan-dev. If it is very high, then take a hike. For me, I try to stay away from Stn-Dev that exceeds 10, unless it is my supplementary portfolio.
Xuzen