Is your day trading gambling? A checklist you can score

What is the actual difference between trading and gambling?

Not risk, and not odds. Both involve staking money on an uncertain outcome. The difference is whether the decision can be described before the outcome, and whether it is repeatable. A trade is a claim: this pattern, with this stop and this size, has an edge over many repetitions, and here is the record. A gamble is a hope that this one goes well.

Poker players have a phrase for it: a decision and its outcome are different things. A good decision can lose and a bad one can win, and the only way to tell them apart is to have written the decision down before the cards came.

There is a clinical version of the same distinction. Grall-Bronnec and colleagues studied eight excessive traders drawn from 221 people seeking treatment at a problem-gambling unit. In the authors' account, these traders experienced a number of small early wins, chased their losses, and ended up losing control over the money they invested, and all of them used high-risk short-term strategies. Their conclusion was careful: investing is not gambling, but some people gamble with investments.

The checklist

Score one point for each yes. Answer for the last twenty trading days, not for the trader you intend to be.

1. Have you taken a trade you could not have explained, before you clicked, in terms of a setup you had written down?
2. Have you entered a position without knowing the stop price and the position size first?
3. Have you taken a trade whose main purpose was to get back a loss?
4. Have you increased size after a loss?
5. Have you moved a stop further from your entry, or cancelled one, while the trade was open?
6. Have you kept trading after passing a daily loss number you set that morning?
7. Have you traded because the day was quiet and you were bored?
8. Have you gone more than a week without a written record of every trade, including the ones you would rather forget?
9. Have you hidden a loss, an account, or a reload from someone who would care?
10. Have you told yourself you would stop or cut back, and not done it?
11. Have you found yourself thinking about open or missed trades in a way that costs sleep or attention at work?
12. Have you reloaded the account more than once?

What does the score mean?

Zero to two: you have a process and you broke it a couple of times, which is what a process is for. Three to five: the process exists on paper and loses most arguments with the afternoon. Six or more: what you are doing is closer to gambling than to trading, whatever the instrument and whatever the last month's result. If items 9, 10 and 11 are all yes, the number does not matter much; those are the questions about hiding, failing to stop and preoccupation that clinicians ask about gambling, and they are worth taking to someone who deals with gambling for a living.

A good month does not lower the score. Behaviour rewarded on an unpredictable schedule, which the psychology textbooks call a variable ratio schedule, is described there as the most powerful partial reinforcement schedule and the most resistant to extinction, with gambling as the standard example. A winning week with no written setup is that schedule paying out.

An illustration. The week is invented.

What the base rates say

The numbers people post at you are about outcomes, and they are worth knowing before you decide the checklist does not apply to you. Chague, De-Losso and Giovannetti followed everyone who started day trading Brazilian equity futures between 2013 and 2015: of those who persisted more than 300 days, 97% lost money, only 0.4% earned more than a bank teller, and the authors found no evidence of learning by day trading. In Taiwan, Barber, Lee, Liu and Odean found less than 1% of day traders could predictably and reliably earn positive abnormal returns net of fees. In the United States, Barber and Odean found the most active fifth of 66,465 households earned 11.4% a year against a market return of 17.9%.

The ones who make it in those samples are the ones who can say what their edge is and prove it from their own records. Nobody in the checklist above is prevented from being one of them. The checklist is about whether you would be able to tell. Building the record that lets you tell is its own method, and it is written out in how to learn to trade properly.

What to do about each item

One fix per line, in the same order.

1. Write the setup as a list of conditions you can answer yes or no to from a chart. No setup, no trade.
2. Size from the stop: risk per trade divided by the distance to the stop gives the size. Do it before the entry, every time.
3. After a loss, wait. A fixed pause, ten or fifteen minutes, before anything else is allowed.
4. Fix the risk per trade in dollars for the day, in the morning; the free loss budget calculator turns a day's budget into that number. Size cannot go up until tomorrow.
5. Put the stop at the broker as a resting order and treat moving it away as the one rule with no exceptions.
6. Make the daily limit something enforced outside your head: a person, or software that closes the platform.
7. Set a maximum number of trades per day and count them.
8. Log every trade on the day, with the setup it was scored against and what you did right and wrong. The nine fields are in what to write in a trading journal.
9. Tell the person. Today. This one is not a trading fix.
10. Stop saying it and change the structure instead: limits, locks, a smaller account, a break. If you have tried and could not, read when trading has become gambling first.
11. Set trading hours and keep them; close the platform outside them.
12. Do not reload until the record shows a hundred trades with rules kept. The account is not the problem.

An illustration, not a screenshot.

Where Degen Pro fits

Degen Pro is a Mac app for Interactive Brokers that turns most of the list above into things that happen rather than things you intend. Setups are written as conditions, must be true, makes it better, stand down, and every trade is scored against its setup and marked for rules kept and whether it was planned; fills arrive on their own, options from Interactive Brokers as they happen and futures from a Tradovate or TradingView export. Size is worked out from the stop and the daily budget, not from the last trade, and the stop is kept from sitting wider than the rule you wrote down, never loosened by the app, and put back if you cancel it by hand. The budget, the trade count and the stand-down after a run of reds are set before the open and frozen once armed; on the trade after the limit the app does what you told it that morning: count it, warn you, end the day, or end the day and lock Trader Workstation and TradingView. There is a sit, a breathing timer, for the pause after a loss. It gives no signals — it can place an entry you choose, calls and puts on SPX and SPY, but it never tells you what to take — needs Interactive Brokers on a Mac for the stop and the lock, and can do nothing about items 9 through 11, which are not software problems.

Take the test again in a month

The score is only useful as a trend. Keep the record, re-score every twenty trading days, and watch whether the number moves. If it moves down while the account is still there, you are learning something. If it moves down because the account is gone, that is a different lesson, and the point of everything above is to avoid learning it.

None of this is investment advice or a clinical assessment. Trading involves risk of loss. If the last three items describe you, the same services that help with gambling are the right call, and they take those calls every day.