Scalping vs Day trading

Look-alike pair

Scalping and day trading both close every position before the session ends, so the difference that matters is not the holding period but the number of round trips: scalping is a high-frequency subset of day trading, defined by dozens or hundreds of trades a day, while day trading is the broader category that includes it. Every scalper is a day trader; most day traders are not scalpers.

Side by side

	Scalping	Day trading
Holding time	Seconds to a few minutes; rarely more than a quarter of an hour.	Minutes to hours; anything from a single trade to a full session, but closed by the close.
Trades per day	High — commonly dozens to hundreds of round trips.	Low to moderate — often one to a handful, though this varies by style and market.
Primary edge	Speed and repetition: many small gains, each taken from a narrow price movement.	Direction and timing: fewer, larger moves captured within the day.
Cost sensitivity	Extreme — spreads, commissions and slippage can erase the thin per-trade margin; the exact fee structure varies by broker and country.	Material but less acute, since fewer trades dilute the same costs across larger moves.
Execution demands	Fast, reliable order routing and low latency; manual clicking is often impractical.	Standard retail execution is usually sufficient; discretion and screen time matter more than speed.
Field mark	A trade blotter showing hundreds of entries and exits, each held for seconds, with profit per trade measured in ticks.	A blotter showing a few positions held for minutes or hours, with profit per trade measured in points or percent.

Which word to use

Use scalping when the defining feature is the sheer number of very short trades and the edge comes from repetition; use day trading when the defining feature is simply that positions are opened and closed within the same day, whatever the count.

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