Learn what actually decides your returns.

Compound interest is the engine behind every long-term investment return. See exactly how time, rate and contributions interact, with a simulator you can drag.

A share is a slice of a real business, not a lottery ticket on a chart. Here is what ownership entitles you to, and what it does not.

Share price is arbitrary. Market capitalisation is the number that tells you how big a company is. The difference costs beginners real money.

The price to earnings ratio is the most quoted number in investing and the most misunderstood. What it measures, and the three times it lies to you.

A DCF says a business is worth the cash it will produce, discounted back to today. Drag the growth rate and the discount rate and watch fair value move.

Three statements tell you almost everything: what a company earned, what it owns and owes, and whether the profit was real. Here is the order to read them in.

High returns attract competition. A moat is whatever stops the competition from taking them. There are only about five kinds that actually last.

Combining assets that do not move together lowers your risk without lowering your expected return. Watch portfolio volatility collapse as you drag correlation down.

Volatility measures how much a price wobbles. Risk is the chance of a permanent loss. Conflating them is why people sell at the bottom.

Gains and losses are not symmetrical. Down 50% then up 50% leaves you down 25%. This asymmetry governs position sizing, leverage and survival.

Averaging in feels safer and usually costs you return. Lump sum wins about two thirds of the time. Here is the trade-off, simulated.

A dividend is cash leaving the business and arriving in your account. It is not free money, and the share price drops by roughly the same amount.

At 3% inflation, cash loses roughly half its purchasing power in 23 years. Doing nothing is not the safe option, it is a slow, certain loss.

Every bubble has the same shape because it is made of the same material: people. Watch the phases play out, and learn where the danger actually sits.

Profit rising while cash flow falls. Receivables growing faster than sales. The warning signs are usually in the statements long before they are in the price.

Borrowing multiplies returns in both directions, but the downside compounds against you. See exactly where the wipe-out line sits.

A split cuts the pizza into more slices. The pizza is the same size. So why does the price so often rise afterwards?

A hands-on walkthrough: read the verdict, check the moat and the numbers behind it, compare it to rivals, and stress test the DCF. About twenty minutes.

Most watchlists are hoarding, not research. Build one with a thesis attached to every name, and price alerts that tell you when to act.

One number, set by a committee, quietly reprices every asset on earth. Here is the chain of causation, and why growth stocks fall hardest.

Banks lend out the money you deposited. That single fact makes every bank in the world permanently vulnerable to a rumour.

A line on a chart that has preceded almost every modern recession, and the reason it works is more interesting than the fact that it does.

Central banks creating money to buy bonds. What it actually does, what it does not do, and why it inflated asset prices more than shop prices.

A basket of goods, weighted by what people buy, priced every month. Simple until you ask who chose the basket.

Bankers, a roadshow, a price nobody quite agrees on, and a first-day pop that means the opposite of what most people think.

A feedback loop where the people betting against a stock are forced to buy it, driving the price they were betting against even higher.

A company buying its own shares. It can be the best use of cash available, or a quiet transfer of wealth away from you.

Your 'free' trade is not free. It is paid for by the difference between two prices you never see, and by someone paying for the right to see your order first.

The clever piece of plumbing that stops an ETF drifting from the value of what it holds, and that most owners have never heard of.

A cartel, a futures market, a tanker, and a war. Why the price at the pump moves for reasons that have nothing to do with the pump.

Why a strong pound is not the same as a strong economy, and why your foreign shares can fall on a day the company did brilliantly.

Governments borrow by auctioning bonds to investors. Why the interest rate they pay is the single most important number in finance.

Three companies grade the debt of the world, they are paid by the people they grade, and they have been catastrophically wrong before.

Buy a company using mostly borrowed money, secure the loan against the company itself, improve it, sell it. The maths is more interesting than the mystique.

An industry where most investments fail, and that is not a bug. It is the strategy. The power law, dilution, and why VCs push for reckless growth.

Two percent of your money every year, plus twenty percent of the gains. The maths of what that costs over a decade is genuinely startling.

A tax on imports, collected at the border. The question of who bears it is where almost every argument about tariffs goes wrong.

Not two quarters of falling GDP. A committee, looking backwards, sometimes announcing a recession that has already ended.

Firms competing over microseconds and fibre optic cables. Whether they are a tax on you or the reason your trade is cheap is a genuinely open question.

A contract whose value comes from something else. Useful, essential, and the most efficient machine ever built for losing more money than you have.

Calls, puts, strike prices, premium and time decay. Why buying a cheap out-of-the-money call is a lottery ticket, and why selling one is far worse.

One makes you a lender with a promise. The other makes you an owner with a claim on whatever is left. Almost everything follows from that.

You can see what Buffett, Ackman and Burry own, for free, by law. Here is why simply buying the same things is a reliable way to underperform them.

The honest answer is that bubbles are only obvious afterwards. But there are four things you can actually check, and they do not require a crystal ball.

Enormous revenue growth, enormous capital spending, and often no profit. The standard tools break, so here is what to use instead.

A handful of companies now make up an enormous share of the index. Buying the market is no longer the diversified act it used to be.

Everyone spent two years positioned for cuts. The chain of causation when rates go the other way is worth understanding before it matters.

When enormous private companies list one after another, the market has to find the money from somewhere. That somewhere is your other holdings.

The most exciting day to buy a company is almost always the worst one. The arithmetic of the first-day pop, the lock-up, and who actually got paid.

A trillion-dollar lending market that has grown up entirely during a boom, and has never been tested by a proper recession.

The doors to private markets have opened to individuals. The exit doors work rather differently from the ones you are used to.

A digital token that promises to always be worth a dollar. Everything interesting is in how that promise is backed, and what happens when it is doubted.

Putting a Treasury bill or a building on a blockchain changes how it settles. It does not change what it is worth or how risky it is.

A market where you bet on outcomes, and the price becomes a probability. Genuinely useful, frequently misread.

Corrections are frequent, normal, and almost impossible to trade. Nearly all of the damage people suffer is self-inflicted.

AI's binding constraint is turning out not to be chips. It is electricity, and the grid was not built for this.

Designers, foundries, equipment makers and memory. Four completely different businesses that people lump together as 'chip stocks'.

One of the largest drug categories ever created. The whole investment case turns on a date that is already known.

A technology that may be transformative on a timeline nobody can name, sold by companies with no revenue. Size it like the venture bet it actually is.

Governments across the world are rearming. The customer cannot stop buying, which is either a wonderful thing or a margin-capped trap.

It produces nothing, pays nothing and costs money to store. It has also outlasted every currency ever issued. Both facts matter.

A regulated wrapper around a volatile asset. The wrapper solves some real problems and quietly introduces others.

Offices that nobody wants, loans that have to be refinanced, and the banks that hold them. A slow-motion problem with a known timetable.

The most common and most expensive mistake in investing, and it is not a knowledge problem. It is that taking a loss feels like admitting one.

The first number you see becomes the number everything else is judged against, even when it carries no information whatsoever.

Once you own something, you start reading the news differently. The evidence has not changed. Your filter has, and it has changed against you.

Watching other people get rich is genuinely painful, and the pain arrives exactly when the opportunity has already gone. That is not a coincidence.

The investors who trade most earn least. That is one of the most robust findings in finance, and almost nobody believes it applies to them.

Both shelter your investments from tax and they do it in opposite directions. Which one wins depends on facts about you, not about markets.

You are taxed on the gain, not the sale, and only when you realise it. That single distinction changes when and whether you should sell.

A dividend is taxed when it is paid, whether you want the cash or not. That makes income investing quietly expensive outside a wrapper.

Realise a loss deliberately, use it against your gains, and keep your market exposure. Useful, legal, and easy to do wrong.

Commission, spread, stamp duty, FX, and tax. Four of the five are invisible, and together they are the reason activity destroys returns.

Own commercial property through a share, receive most of the rent as dividends, and take on a set of risks that look nothing like owning a house.

You give money to a person with a good reputation, who then goes to find something to buy. Everything hinges on the incentives, and the incentives are lopsided.

A loan with an option bolted on. Cheaper borrowing for the company, and a quiet promise to dilute you later if things go well.

You are offered new shares at a discount. It looks like a gift and it is closer to a bill, and doing nothing is the one option that definitely costs you.

Two classes of stock, identical economics, wildly unequal power. You own the company's profits and none of its decisions.

The shares in your account may be on loan to a short seller right now. It usually costs you nothing, and it is not risk free.

Your shares are meant to be held separately from the broker's own money. Understanding that word 'meant' is the whole exercise.

Your order joins a queue, matched against strangers by an algorithm, in microseconds. Knowing the queue changes how you should join it.

Every index fund on earth must buy it, on a schedule, regardless of price. That is forced, price-insensitive demand, and it is announced in advance.

Ten shares become one, worth ten times as much. Nothing changes, and the reason it is being done usually tells you something unpleasant.

Reported profit is an opinion and free cash flow is blunt. Owner earnings is the attempt to answer what an owner could actually take out this year.

Value each division as if it stood alone, add them up, and compare to the market price. The gap is called the conglomerate discount.

For a miner, a chipmaker or a housebuilder, this year's profit tells you where you are in the cycle, not what the business is worth.

The days between paying your supplier and being paid by your customer. Negative is a superpower, and a handful of great businesses have it.

A division is cut loose as its own company, and shareholders who never asked for it sell indiscriminately. That is a structural, recurring inefficiency.

Decades of data suggest a handful of characteristics have earned a premium. Whether they still will is a genuinely open question.

Two retirees with identical average returns can end up with wildly different outcomes. The difference is which years the bad ones landed in.

One of the most quoted findings in personal finance, and one of the most misquoted. It was never a guarantee, and it was never about you.

You hand over a lump sum and receive an income for life. It is insurance against living a long time, which is a stranger risk than it sounds.

A small company can multiply many times over. It can also disappear. Both statements are consequences of the same fact.

The Johannesburg Stock Exchange, the rand, the resource cycle, and the reason a JSE company can do brilliantly while its share price does nothing.

The most liquid, best disclosed and most thoroughly picked-over market on earth. Which is both the opportunity and the problem.

The FTSE 100 is not the British economy. It is a basket of multinationals that happen to be listed in London, and the distinction changes everything.

Enormous growth, and a structure in which you may not legally own the company you think you bought. Both facts are true at once.

An industrial export machine, priced off Chinese demand and European energy. Two things Germany does not control.

Three decades of going nowhere, an enormous pile of idle cash, and a governance reform that is slowly forcing companies to hand it back.

The growth story everyone agrees on, which is exactly the problem: it is already in the price. Promoter risk, domestic flows, and the PEG check.

The window through which the world buys China, and a market whose discount to the mainland is a standing question.

Banks, oil and railways. A concentrated index that behaves like a commodity fund with a financial sector bolted on.

Iron ore, four banks, and franking credits: a tax quirk that genuinely changes which shares are worth owning, and only if you are Australian.

A shipping lane 21 miles wide at its narrowest, through which roughly a fifth of the world's oil passes. The market prices the threat, not the event.

A commodity business that looks like a technology company. Understand the cycle and Micron's violent swings stop being mysterious.

The most advanced chips on earth are made on one island, largely by one company, using machines made by one company in the Netherlands. There is no plan B.

A cartel that can move a global commodity with a press release, and the reason cartels are always harder to hold together than they look.

Hundreds of billions being spent on data centres. The picks-and-shovels sellers are booking the revenue. The question nobody has answered is who earns the return.

Not a screen for cheap companies, which mostly finds broken ones. A method for finding good businesses the market has temporarily mispriced.

A structured evening's work that gets you from never having heard of a business to a defensible opinion on it.

Officers and lawmakers must disclose their trades. Most of it is noise. One slice of it is genuinely informative, and the asymmetry tells you which.

Most stock comparisons are rigged by accident: wrong industry, wrong capital structure, wrong year. Here is how to build one that means something.

Home bias is the most expensive habit in investing. Here is how to leave, and the four things that will hurt you if you do it carelessly.

Language models are extraordinary at explaining and summarising, and structurally unreliable at recalling a number. Knowing which is which is the whole skill.

Open any company in SteadyShares and know, in five minutes, what it does, whether it makes money, whether it is safe, and whether it is cheap.

Turn 1,100 companies into a shortlist of six, using filters that actually mean something rather than the ones that just sound clever.

Moats are not a feeling about a brand. They leave fingerprints in the numbers, and you can check for them in about ten minutes.

From revenue at the top to earnings per share at the bottom, and the three places where the story usually gets bent on the way down.

What the company owns, what it owes, and what is genuinely left for you. Plus the one line that decides whether it survives a bad year.

The hardest statement to fake, and therefore the one worth reading first. Operating, investing, financing, and what the three of them together confess.

Six checks, none of which need an accounting degree, that catch most of the companies quietly heading for a very bad announcement.

Most comparisons are rigged by accident: different industries, different capital structures, different years. Here is how to make one that means something.

A discounted cash flow model will produce whatever answer you want. Used backwards, it becomes the most honest tool you own.

Alerts are not for watching. They are for pre-committing to a decision while you are calm, so that you do not have to make it while you are not.