The myth: trading is a volume business. More screen time, more trades, more chances to win — a "full-time trader" should be constantly in the market, and a day without trades is a day wasted.
The test: one simulated year, two versions of the same trader. The selective version takes only the setups her method actually calls — about 5 per week at 45% win rate and 2R winners. The forced version wants action: 25 trades a week. The extra 20 aren't setups, they're activity — so the blended edge dilutes to roughly a coin flip, and every extra trade pays the same costs.
Selective: 45% WR, 2R, 260 trades a year. Forced: the same 260 setups plus 1,040 near-coin-flip trades, every one paying the same 0.065R of commission and slippage. 1% risk per trade, medians of 60,000 simulated years.
Five times the trades, half the money
The selective trader's median year: about $20 355. The forced trader — with the same method, same risk, same market — ends near $9 830 — less than half. Volume didn't scale the edge, it diluted it: expectancy is not a property of the trader, it's a property of the setups, and the market only issues so many real ones per week. Every trade taken beyond that supply carries full costs and near-zero edge — and compounding punishes a stream of coin flips with a cost attached.
Where the myth comes from
It's an honest import from normal life, where effort scales output. Sales calls, gym sessions, lines of code — more is more. Trading is one of the few professions where the opposite holds: the work is the waiting, and the paid moments are rare by nature. The professional's advantage over the amateur isn't taking more trades — it's declining more trades. (The deeper treatment of this idea is in Sitting Out Is a Position — flat is the only position with a guaranteed outcome.)
A practical self-test from the journal: tag every trade "setup" or "activity" for one month, honestly. Most struggling traders discover their setup trades are profitable on their own — and the activity trades are a self-funded tax that converts a working method into a losing account.
Verdict
- Busted. Trade count multiplies costs and dilution, not edge. Five real setups beat twenty-five forced ones by roughly 2× in the simulation.
- Edge lives in setups, not in you. When the market offers nothing, there is nothing to harvest — activity can't create supply.
- Audit the "activity tax." Tag setup vs. activity trades for a month; the second column's P&L is what boredom charges you.
- Measure weeks by discipline, not by trade count. A zero-trade week that followed the rules is a perfectly executed week.