Kiarash Arian: Experimental Finance Learning Practices

A hedge fund is a privately pooled investment fund that employs a variety of strategies to generate active returns, or alpha, for its investors. Think of it as a more sophisticated and flexible investment vehicle compared to a typical mutual fund. Here’s a breakdown of the key aspects: Private and Pooled: Hedge funds are not publicly traded like stocks or ETFs. They are private partnerships or limited liability companies that pool money from a select group of investors. Sophisticated Investors: Access to hedge funds is typically limited to accredited investors (high net worth individuals or institutions) who meet certain income or net worth requirements. This is because hedge funds are considered riskier and less regulated than other investment options. Active Management and Diverse Strategies: Hedge funds are actively managed, meaning that portfolio managers make frequent investment decisions based on market conditions and specific opportunities. They use a wide range of strategies...

A logarithm is a mathematical function that tells you what exponent you need to raise a specific number (called the base) to in order to get another specific number. Think of it like this: it's the "undoing" of exponentiation. In simpler terms: If you have an equation like: base ^ exponent = result Then the logarithm answers the question: "What exponent do I need to raise the  base  to, to get the  result ?" The logarithmic form of that equation is: log_base(result) = exponent Let's break it down with examples: Example 1: Exponentiation: 2³ = 8 (2 to the power of 3 equals 8) Logarithm: log₂(8) = 3 (The logarithm base 2 of 8 equals 3) This means: "You need to raise 2 to the power of 3 to get 8." Example 2: Exponentiation: 10² = 100 (10 to the power of 2 equals 100) Logarithm: log₁₀(100) = 2 (The logarithm base 10 of 100 equals 2) This means: "You need to raise 10 to the power of 2 to get 100." Key components of a logarithm: Base:  The numb...

The  Close Price  and  Adjusted Close Price  represent the price of a stock at the end of a trading day, but they differ in how they account for corporate actions that can affect a stock's price. Here's a breakdown: Close Price:  This is simply the final price at which a stock traded during regular trading hours on a given day. It's the raw, unadjusted price. Adjusted Close Price:  This price takes into account corporate actions like: Dividends:  Cash payments made to shareholders. Stock Splits:  When a company increases the number of its shares outstanding by dividing each existing share into multiple shares. Stock Dividends:  Distributing additional shares to existing shareholders instead of cash. Rights Issues/Offerings:  Giving existing shareholders the right to purchase additional shares at a discount. Spin-offs:  Creating a new independent company by distributing shares of that business to existing shareholders. How the Adjust...

Daily return is the percentage change in the value of an investment over a single day. It reflects the profit or loss experienced on an investment for that specific day. Here's a breakdown: What it measures:  The percentage increase or decrease in an investment's value from one day to the next. How it's calculated: Daily Return = [(Closing Price Today - Closing Price Yesterday) / Closing Price Yesterday] * 100 For example: Yesterday, a stock closed at $100. Today, the same stock closed at $102. Daily Return = [($102 - $100) / $100] * 100 = 2% Key Considerations: Closing Prices:  Typically, closing prices are used to calculate daily returns. Percentage:  The return is expressed as a percentage. A positive percentage indicates a gain, while a negative percentage indicates a loss. Volatility:  Daily returns are highly sensitive to market fluctuations and can be quite volatile, especially for more risky assets. Ex-Dividends:  If the investment paid a dividend on tha...

Cumulative return represents the total change in the value of an investment over a specific period, expressed as a percentage. It's essentially the overall profit or loss you've made on an investment from the beginning to the end of the period. Here's a breakdown: What it measures:  The total return of an investment, accounting for both capital appreciation (increase in value) and any income received (like dividends or interest). How it's calculated:  The basic formula is: Cumulative Return = [(Ending Value - Beginning Value) / Beginning Value] * 100 For example: You invest $1,000. After 5 years, your investment is worth $1,500. Cumulative Return = [($1,500 - $1,000) / $1,000] * 100 = 50% Key Considerations: Time Period:  Always specify the time period over which the return is calculated (e.g., "5-year cumulative return"). Simplicity:  Cumulative return gives a simple, overall view of performance, but it doesn't tell you  how  the returns were generated or...