Markets

What Is Trading?

By Lucas, CFGI ResearchUpdated June 28, 2026Reviewed by Rick
Price line with buy and sell markers showing how a trader profits from short-term moves, buying dips and selling rallies.
Short-term price is mood; traders use sentiment as context. Source: CFGI.

Quick answer

Trading is buying and selling assets to profit from price moves, usually over short periods. Where an investor holds for years, a trader may hold for seconds to weeks, using styles from scalping to position trading and relying mostly on technical analysis. Because short-term price is driven by mood more than fundamentals, traders pay close attention to sentiment, but as context, never as a guarantee of what comes next. Trading is high-risk, and most who attempt it underperform a simple long-term approach. This is education, not financial advice.

CFGI data

A Fear and Greed Index is context for a trade, not a signal. CFGI scores the crowd mood from 0 to 100, but mood tells you where sentiment stands now, not where price goes next, which is why traders use it to frame risk rather than to time entries.

Source: CFGI methodology, 0 to 100 sentiment model.

Key takeaways

What Is Trading?

Trading is buying and selling assets to profit from changes in price. The defining feature is time: traders work over short horizons, from seconds to weeks, rather than the years an investor might hold. The shorter the horizon, the more the crowd’s mood, rather than fundamentals, drives the outcome. See trading vs investing for the full contrast, the core difference is that a trader is betting on price movement while an investor is buying a piece of a business to hold.

The Main Trading Styles

StyleTypical holdRelies on
ScalpingSeconds to minutesTiny moves, many trades
Day tradingWithin a single dayIntraday moves, no overnight risk
Swing tradingDays to weeksTechnicals plus some fundamentals
Position tradingWeeks to monthsLonger trends, more fundamentals

Trading styles by holding period.

The styles form a spectrum from frantic to patient. A scalper may make dozens of trades a day for a few cents each; a position trader holds a trend for months and looks almost like an investor. Shorter styles demand more time, more discipline and lower costs per trade, and they leave less room for error.

Technical Versus Fundamental Analysis

Traders and investors tend to use different toolkits. Investors lean on fundamental analysis, the study of earnings, valuation and the economy, to decide what is worth owning. Traders lean on technical analysis, the study of price charts, volume, patterns and momentum, to decide when to buy and sell. A neat summary is that fundamental analysis tells you what to buy, while technical analysis tells you when. Over short horizons, where mood and momentum dominate and fundamentals barely move, technical and sentiment signals carry more weight, which is why they sit at the centre of most traders’ decision-making.

How Traders Manage Risk

For serious traders, survival depends far more on managing risk than on predicting prices. The essential tools are stop-losses that cap how much any single trade can lose, position sizing that limits how much capital is risked at once, and a favourable risk-reward ratio so that winners outweigh losers over time. A common rule is never to risk more than a small percentage of your account on one trade, so that no single loss, or even a string of them, can be fatal. The hard truth is that you cannot control whether a trade wins, only how much you lose when it goes wrong, which is why disciplined risk management, not a magic indicator, separates traders who last from those who blow up.

Cut Losses, Let Winners Run

You cannot control whether a trade works, only how much it costs when it does not. Sizing positions and respecting stops is what keeps a losing streak from ending your trading.

The Hard Truth About Trading

Trading is glamorised, but the odds are sobering. Study after study finds that the large majority of active traders lose money over time and underperform a simple buy-and-hold approach, with success rates falling the longer people persist. The culprits are transaction costs, taxes on frequent gains, and the sheer difficulty of consistently beating a near-random short-term market while battling your own emotions. None of this means trading is impossible, some do it well, but it means it should be approached as a demanding skill with a high failure rate, not a shortcut to wealth. For most people, patient long-term investing is the better path, and that is not a knock on trading so much as an honest reading of the base rates.

Why Traders Watch Sentiment

Because over short windows, price is largely a story about how the crowd feels. Knowing whether the market is fearful or greedy tells a trader whether the crowd has become crowded on one side, which is valuable in a world where short-term moves are driven by mood. But it is context, not a crystal ball: CFGI data mirrors the same day 79% of the time and the next day only 49%. Used well, the Fear and Greed Index is one input among many, helping a trader frame risk and spot stretched positioning, never an instruction to act on its own.

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The crowd mood traders read as context.

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Frequently asked questions

What is trading?

Buying and selling assets to profit from short-term price moves, over horizons from seconds to weeks. It differs from investing mainly in time horizon and in relying on technical rather than fundamental analysis.

What are the main trading styles?

Scalping (seconds to minutes), day trading (within a single day), swing trading (days to weeks) and position trading (weeks to months). They form a spectrum from frantic and short-term to patient and almost investor-like.

Is trading risky?

Yes, very. Short-term trading is high-risk, and the majority who attempt it lose money and underperform a simple long-term approach, eaten by costs, taxes and emotion. Risk management is what keeps the survivors in the game. This is education, not financial advice.

Can sentiment tell a trader what to do?

No. Sentiment reads the present, not the future. CFGI data matches same-day direction 79% of the time but only 49% the next day, so it is context for framing risk, not a signal to act on alone.

Lucas, CFGI Research

Lucas is the founder of CFGI and leads its research. He built the platform that scores Fear and Greed across 100+ crypto assets and the equity market from a 0 to 100, 10-indicator model, and has tracked crowd emotion through multiple full crypto and equity cycles. He writes about market sentiment, behavioural finance and how emotion shapes price.

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This article is educational and is not financial advice. Crypto and equities are volatile and you can lose money. See our disclaimer.