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In academic affiliation with Carnegie Mellon University
Institute of Algorithmic Tradingand Applied Computational Finance

Open course in trader judgement

Is Day Trading Gambling? An Open Course

Is day trading gambling? Sometimes it is. This course shows the difference in numbers: whether the expected result of a trade is positive after costs, whether you can show it on a record, and whether you can stop.

Is day trading gambling? The honest answer is that it can be either, and the difference can be measured. A gamble is a bet whose expected result is negative. A trade is a bet whose expected result, after all costs, you have reason to believe is positive, sized so that being wrong does not end your career.

What is the difference between trading and gambling?

Three things separate them. Expectancy: whether the average trade makes money after costs. Evidence: whether you can show that on a record of enough trades, rather than on a memory of the good ones. And control: whether you keep to a size and a loss limit when the market is against you. This course explains each in plain numbers, without formulas beyond arithmetic.

Why does short-term trading look so much like gambling?

Because the costs work like a house edge. A day trader pays the spread and commission on every trade, and the more trades, the higher the hurdle. Many short-term methods have no edge at all once costs are paid, and the variance of a few dozen trades hides that for months.

Where does this course lead?

To the trader judgement track, and to the Foundation Certificate in Trading, where trading psychology, expectancy and the trading journal are taught and assessed.

What you will be able to do

  • Explain expectancy and why a game with negative expectancy cannot be won by skill in timing.
  • Calculate the effect of costs on the expectancy of a short-term trade.
  • Recognise the behaviours that turn trading into gambling.
  • Describe the record a trader needs before claiming an edge.

Syllabus, module by module

  1. What makes a bet a gamble

    Expected value, the house edge and why a casino wins over many bets.

  2. The trader's house edge

    Spreads, commissions and slippage as a cost paid on every trade, and what they do to a short-term record.

  3. Luck and skill

    Winning streaks, sample size and why a good month proves little.

  4. Gambling behaviours

    Chasing losses, raising size after a loss, trading for excitement, and the warning signs.

  5. The trader's alternative

    A written plan, a journal, loss limits and a test for whether a method works.

How the certificate is earned

Self-check questions at the end of each lesson. The course is not assessed. Completing every lesson earns a Certificate of attendance, which states that the course is not assessed. Read how certification works.

Questions applicants ask

Is day trading gambling?

It is gambling when the expected result of each trade after costs is negative or unknown, and when decisions come from excitement rather than a plan. It is a business when a trader can show, on a record of enough trades, a positive result after costs, and keeps to limits. The course teaches you to tell which one you are doing.

Where can I get help if trading has become a problem?

Gambling help services in most countries treat trading problems as well. If you are chasing losses or hiding your trading, contact one before your next trade. The course lists the warning signs.

Free 3 hours