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Analysis of the CPPI strategy for stocks quoted on the Warsaw Stock exchange

100%
Węgrzyn T.
Nauki o Finansach
|
2012
|
issue 4(13)
52-67
EN
The constant proportion portfolio insurance (CPPI) strategy is one of the strategies whose main aim is to protect the minimum value of the investor’s portfolio. The implementation of the strategy means that each change in stock prices causes modifications in the portfolio structure. In general, stocks are bought as their prices rise and stocks are sold as their prices fall. As a result, the portfolio risk fluctuates with the changes in the stock prices. The author analyses the efficiency of the CPPI strategy in the Polish capital market over a long period of time. The CPPI strategy is implemented to the chosen stocks quoted on the Warsaw Stock Exchange.
2

Constant Proportion Portfolio Insurance Strategy in Southeast European Markets

75%
Agić-Šabeta E.
Business Systems Research Journal
|
2016
|
vol. 7
|
issue 1
59-80
EN
Background: In today’s highly volatile and unpredictable market conditions, there are very few investment strategies that may offer a certain form of capital protection. The concept of portfolio insurance strategies presents an attractive investment opportunity. Objectives: The main objective of this article is to test the use of portfolio insurance strategies in Southeast European (SEE) markets. A special attention is given to modelling non-risky assets of the portfolio. Methods/Approach: Monte Carlo simulations are used to test the buy-and-hold, the constant-mix, and the constant proportion portfolio insurance (CPPI) investment strategies. A covariance discretization method is used for parameter estimation of bond returns. Results: According to the risk-adjusted return, a conservative constant mix was the best, the buy-and-hold was the second-best, and the CPPI the worst strategy in bull markets. In bear markets, the CPPI was the best in a high-volatility scenario, whereas the buy-and-hold had the same results in low- and medium-volatility conditions. In no-trend markets, the buy-and-hold was the first, the constant mix the second, and the CPPI the worst strategy. Higher transaction costs in SEE influence the efficiency of the CPPI strategy. Conclusions: Implementing the CPPI strategy in SEE could be done by combining stock markets from the region with government bond markets from Germany due to a lack of liquidity of the government bond market in SEE.
3
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Efektywność portfeli akcji zabezpieczonych opcjami indeksowymi na Giełdzie Papierów Wartościowych w Warszawie w latach 2007-2015

71%
Flotyński M.
Ruch Prawniczy, Ekonomiczny i Socjologiczny
|
2016
|
vol. 78
|
issue 1
197-215
EN
In the article quantitative research was conducted on data from the Warsaw Stock Exchange (WSE) for the years 2007-2015. The research focused on an assessment of the success of using derivatives in the context of increasing rates of return and lowering risk. The aim of the article is to check the efficiency of portfolios hedged by index options quoted on the WSE. The time frame was divided into 3 independent periods in order to show the difference in the level of portfolios’ efficiency during the bearish trend on the market. In the research quantitative methods have been used, among them comparative analysis and regression analysis to calculate the beta coefficient. The efficiency of hedged portfolios and indices has been measured with the use of the Sharpe ratio, Treynor ratio, Jensen’s alpha, Information ratio and Sortino ratio. The hypothesis is formulated that hedged portfolios are more efficient than unhedged ones (stock indexes). The research proved that in the periods given hedged portfolios had by far more favourable level of efficiency measures, so they were more efficient. Their profit to risk ratio was better when index options were included in portfolios.
PL
W artykule przeprowadzono badanie ilościowe na danych z lat 2007-2015, które miało na celu ocenę celowości wykorzystania instrumentów pochodnych w kontekście podwyższania stopy zwrotu i obniżania ryzyka portfeli akcji notowanych na Giełdzie Papierów Wartościowych w Warszawie. Celem artykułu jest sprawdzenie, na podstawie badania empirycznego, efektywności portfeli zabezpieczonych opcjami indeksowymi. Efektywność rozumie się jako stosunek zysku do ryzyka portfeli akcji notowanych na GPW. Zakres czasowy badania podzielono na trzy okresy w taki sposób, aby ukazać różnicę w efektywności portfeli podczas słabej koniunktury giełdowej. Spośród metod badawczych wykorzystano m.in. analizę porównawczą oraz analizę regresji do obliczenia wartości współczynnika beta. Efektywność portfeli zabezpieczonych opcjami indeksowymi i tych niezabezpieczonych została zmierzona wskaźnikami Sharpe’a, Treynora, Jensena, Information Ratio i Sortino. Sformułowano hipotezę badawczą stwierdzającą, że portfele spółek zabezpieczone derywatami są bardziej efektywne niż portfele niezabezpieczone (indeksy giełdowe). W badanym okresie portfele zabezpieczone opcjami indeksowymi charakteryzowały się wyższą stopą zwrotu i niższym ryzykiem niż portfele indeksów giełdowych. Zostało to potwierdzone przez analizę kształtowania się mierników efektywności.
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