First principles in trading involves breaking down complex concepts into their fundamental, indisputable components. Using this strategy, traders analyze the underlying principles that govern the market. They do not rely on analogies or existing models, which allows for a deeper understanding of the market dynamics.
"First principles thinking" consists of decomposing things down to the fundamental axioms in the given arena, before reasoning up by asking which ones are relevant to the question at hand, then cross referencing conclusions based on chosen axioms and making sure conclusions do not violate any fundamental laws.
Warren Buffett, one of the world's most successful investors, has shared plenty of advice over his long career. But one piece of advice stands out as his top rule: “The first rule of investment is don't lose money.” And if you ask about the second rule?
The first step to successful investing is figuring out your goals and risk tolerance – either on your own or with the help of a financial professional. There is no guarantee that you'll make money from your investments.
Rule No.
1 is never lose money. Rule No.
Many novice investors lose money chasing big returns. And that's why Buffett's first rule of investing is “don't lose money”. The thing is, if an investors makes a poor investment decision and the value of that asset — stock — goes down 50%, the investment has to go 100% up to get back to where it started.
According to this rule, after purchasing and rehabbing the property, the monthly rent should be at least 1% of the total purchase price, including the cost of repairs. This guideline helps ensure that the rental income covers the mortgage payment and operating expenses, leading to positive cash flow.
Specifically, mutual funds or ETFs are a good first step, before moving on to individual stocks, real estate, and other alternative investments.
A first principle is a basic assumption that cannot be deduced any further. Over two thousand years ago, Aristotle defined a first principle as “the first basis from which a thing is known.” First principles thinking is a fancy way of saying “think like a scientist.” Scientists don't assume anything.
First principles thinking is a method of problem-solving that involves breaking down complex issues into their most basic and fundamental parts. Originating from ancient Greek philosophy and revitalized by modern thinkers like Elon Musk, it asks us to discard inherited assumptions and conventions.
For example, a chef uses first principles thinking to transform raw ingredients (first principles) into a totally new dish. Someone who doesn't know how to cook will likely follow the instructions of a recipe, never deviating from the widely accepted instructions.
Principle 1: Get started. Principle 2: Invest regularly. Principle 3: Invest enough. Principle 4: Have a plan.
Step 1: Determine financial priorities – Housing, living expenses, emergency savings, and paying off high-interest debt should take priority. Invest only with leftover funds after these obligations are met.
The 90/10 investment rule is a rule of thumb for setting up your investment portfolio. The rule is relatively simple, advocating for splitting your portfolio, placing 90% of your assets into a low-cost S&P 500 index fund and the remaining 10% into short-term government bonds.
Warren Buffett and his mentor, Ben Graham, championed Rule #1 for one fundamental reason: minimizing loss. By minimizing losses, even in subpar investments, you increase your chances of finding winning investments over time.
Analyzing the 4-3-2-1 Rule in Real Estate
This rule outlines the ideal financial outcomes for a rental property. It suggests that for every rental property, investors should aim for a minimum of 4 properties to achieve financial stability, 3 of those properties should be debt-free, generating consistent income.
Basically, the rule says real estate investors should pay no more than 70% of a property's after-repair value (ARV) minus the cost of the repairs necessary to renovate the home. The ARV of a property is the amount a home could sell for after flippers renovate it.
The 90/10 rule in investing is a comment made by Warren Buffett regarding asset allocation. The rule stipulates investing 90% of one's investment capital toward low-cost stock-based index funds and the remainder 10% to short-term government bonds.
Always sell a stock it if falls 7%-8% below what you paid for it. This basic principle helps you always cap your potential downside. If you're following rules for how to buy stocks and a stock you own drops 7% to 8% from what you paid for it, something is wrong.
The 10,5,3 rule will assist you in determining your investment's average rate of return. Though mutual funds offer no guarantees, according to this law, long-term equity investments should yield 10% returns, whereas debt instruments should yield 5%. And the average rate of return on savings bank accounts is around 3%.
The Cardinal Rule of Investing Is To Diversify.
Index funds are a popular strategy for beginners because these investments give you exposure to the market's top stocks, providing instant diversification with a single purchase.
YOUR INVESTMENT PORTFOLIO
In this case, many investors will find that roughly 20% of their investment holdings will lead to about 80% of their growth. While these percentages won't be exact, the general rule applies that a small number of your investments will result in the most growth.