WhitmanTrading

Trading Full Time: The Arithmetic

Full-time trading means drawing a living from an account rather than from wages. The change is arithmetic rather than technical: a monthly withdrawal has to come out of a return that is not monthly, which makes account size and cost control matter more than any method.

How it works

A candlestick chart of the site's shared price history. The headline on the chart reads: Going full time changes the arithmetic, not the chart.
Going full time changes the arithmetic, not the chart. Illustrative chart - not real market data.

Nothing about the market changes when trading becomes the job. The same instruments, the same spreads, the same setups. What changes is that the account now has an obligation attached to it.

A wage is a fixed monthly inflow. An income drawn from an account is a fixed monthly outflow against a return that is not fixed, not monthly, and not reliably positive.

Employment hides how unusual that arrangement is. Almost every other way of earning pays for time or for output, and pays on a schedule someone else has committed to. An account commits to nothing, and the schedule is imposed entirely from your side of it.

That mismatch is the entire subject, and it is arithmetic rather than psychology — though it produces the psychology too.

Price above and two account curves below, one with a recurring monthly outflow and one without. The headline on the chart reads: An income is a withdrawal, and it comes out every month.
An income is a withdrawal, and it comes out every month. Illustrative chart - not real market data.

The chart above shows a recurring charge against a compounding account. On a $25,000 balance growing 1.5% a month, a fixed $199 monthly outflow turns a +19.6% year into +9.2%. That figure is computed from those stated inputs; the point is the shape rather than the specific number.

The income arithmetic

Work the requirement backwards, because it is the only honest direction. Decide what the account must produce each month, divide by the account, and you have the required monthly return.

$3,000 a month from $100,000 is 3% a month. From $250,000 it is 1.2%. From $50,000 it is 6%. The skill required is identical in all three cases; only one of them is a return anybody should plan around.

This is why the capital question comes before the method question, and why trading capital is a page in its own right. A method that produces a respectable annual return is a full-time income at one account size and a hobby at another.

Price above and a slowly rising account equity curve below on a calmly advancing stretch. The headline on the chart reads: The account has to carry the costs before it carries you.
The account has to carry the costs before it carries you. Illustrative chart - not real market data.

The account carries costs before it carries a person. Data, platform, and above all transaction costs come out first, and the withdrawal is what is left rather than what is targeted.

A candlestick chart of the site's shared price history, annotated with the round-trip cost. The headline on the chart reads: The round trip is 2% of a bar, every time, all year.
The round trip is 2% of a bar, every time, all year. Illustrative chart - not real market data.

Every round trip costs 2% of a typical bar’s range on the site’s shared history. That is a small number per trade and a large one across a year of them, and it does not pause in a month that produces nothing.

In practice: the year, not the day

Price above and an account equity curve below on a flat but volatile stretch, ending at the lower limit. The headline on the chart reads: And the months are not the same size as each other.
And the months are not the same size as each other. Illustrative chart - not real market data.

Returns arrive unevenly and bills arrive evenly. A year that averages a good monthly figure will still contain months that produced nothing, and the withdrawal is due in those months on the same schedule.

The practical consequence is a cash buffer held outside the account. Months of living expenses sitting in cash is not conservatism; it is what allows the account to be traded on its own timeframe rather than on the calendar’s.

A flat, quiet stretch of the long price series. The headline on the chart reads: There are weeks with nothing worth trading in them.
There are weeks with nothing worth trading in them. Illustrative chart - not real market data.

Sitting out is part of the job and it is the part the job makes hardest. A quiet week costs a salaried person nothing and costs a full-time trader a week of income, which is a strong incentive to find a trade that is not there.

A long-horizon candlestick view of the same price series. The headline on the chart reads: And the horizon that pays is longer than the one that excites.
And the horizon that pays is longer than the one that excites. Illustrative chart - not real market data.

Longer timeframes fit the economics better than shorter ones. Fewer trades means less cost, less screen time, and a schedule that a person can sustain for years rather than months.

A 72-bar candlestick section of the shared price history. The headline on the chart reads: Tax is due on the good year, in the year it happened.
Tax is due on the good year, in the year it happened. Illustrative chart - not real market data.

Tax is owed on the good year in the year it happened, whatever the following year does. Money set aside for it is not available to trade, which is a real reduction in working capital rather than an accounting detail.

What going full time does not change

It does not improve the method. A strategy that was marginal alongside a job is marginal without one, and now has a withdrawal attached.

It does not add hours of opportunity. Watching the market for eight hours instead of two produces more trades, not more good ones, and the cost of the extra trades is measurable.

It does not remove the need for other income. Most people who trade full time successfully arrived with either a large account or a second income, and describing that honestly is not discouragement.

And it does not change the tax and business obligations, which is the part trading as a business covers properly.

When it fails

A declining stretch of the long price series. The headline on the chart reads: A bad stretch arrives while the bills keep their schedule.
A bad stretch arrives while the bills keep their schedule. Illustrative chart - not real market data.

The failure is a sequence problem rather than an average one. A drawdown that arrives early, while withdrawals continue, permanently reduces the base the recovery has to work from. The same drawdown later in the year does far less damage.

A sideways, range-bound candlestick series. The headline on the chart reads: The pressure to produce is the thing that breaks the process.
The pressure to produce is the thing that breaks the process. Illustrative chart - not real market data.

The second failure is forcing trades in a market that is not offering any. The range above is what most weeks look like, and the need to produce turns it into a series of small losses plus costs.

A third is under-costing the transition. Health insurance, irregular income, and the absence of an employer’s contributions are real numbers that rarely appear in the plan.

And the fourth is measuring the wrong interval. A good week means very little. The unit that matters is a year, and most decisions that feel urgent inside a week are invisible inside a year.

The original data

40 of the 24,971 videos measured for this site cover full-time trading, at a median of 30,046 views — a high median on a modest supply, which usually means the question is being asked far more often than it is being answered carefully.

A candlestick chart of the site's shared price history, cut short at the decision bar. The headline on the chart reads: Rent is due Friday and the week is flat. Force one?
Rent is due Friday and the week is flat. Force one? Illustrative chart - not real market data.

The one figure this site can compute directly is the drag one. A fixed monthly outflow of $199 against a $25,000 account compounding 1.5% a month costs 10.4 percentage points of the annual result. Scale that to an actual living expense and the required return stops being a matter of opinion.

Trading capital is the size question this page keeps arriving at. Trading as a business covers the structure, records and obligations. And trading psychology is where the pressure this creates actually shows up.

What I actually do

The thing nobody warned me about was not the losing. It was that a flat month is a losing month once you are drawing from the account, and there is no such thing as sitting on your hands for free.

— Michael Whitman

This page is educational, not financial advice. Test every idea on your own charts before risking money.