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port_2_max_ret <- portfolio.spec(assets = colnames(returns_date_droped_dividened2))
# Add objectives - here we minimize risk (VAR)
port_2_max_ret <- add.objective(portfolio = port_2_max_ret, type = "risk", name = "StdDev")#added
port_2_max_ret <- add.objective(portfolio = port_2_max_ret, type = "return", name = "mean")
# Add constraints - fully invested portfolio with no short sales
port_2_max_ret <- add.constraint(portfolio = port_2_max_ret, type = "long_only")
port_2_max_ret <- add.constraint(portfolio = port_2_max_ret, type = "full_investment")
port_2_max_ret <- add.constraint(portfolio = port_2_max_ret, type = "box", min = 0, max = 1)
# Optimize the portfolio to minimize risk
optimal_portfolio_2 <- optimize.portfolio(R = returns_date_droped_dividened2,
portfolio = port_2_max_ret, optimize_method = "DEoptim")
# expected_return_optimal_portfolio_2 <- sum(optimal_portfolio_2$weights * colMeans(returns_date_droped_dividened2))
# expected_risk_optimal_portfolio_2 <- sqrt(t(weights) %*% cov(returns_df) %*% weights)
#
# annualized_return_optimal_portfolio_2 <- Return.annualized(expected_return_optimal_portfolio_2, scale = 252)
#
# # Step 2: Annualize the risk
# trading_days <- 252 # Number of trading days in a year
# annualized_risk_tan <- tanRisk * sqrt(trading_days)
optimal_weights <- extractWeights(optimal_portfolio_2)
asset_names <- names(optimal_weights)
weights_df <- data.frame(Asset = asset_names, Weight = optimal_weights)
plot_ly(data = weights_df, x = ~Asset, y = ~Weight, type = 'bar') %>%
layout(title = "Interactive Portfolio Weights",
xaxis = list(title = "Asset"),
yaxis = list(title = "Weight"))
My Initial Publication
My Initial Publication
Loan Default Analysis
The primary objective of this analysis is to identify key factors influencing loan defaults and provide actionable insights to enhance risk management and lending strategies.
Cache Example
Example of caching for ConRR module