Field Guide to Trading Terms

Grid trading


Family X · Account mechanics

Not to be confused with cfd trading, margin trading, forex trading.

Grid trading is a rule-based approach that divides a price range into evenly spaced levels and places orders at each level. It accumulates positions as price falls and reduces them as price rises, harvesting small gains from each completed round trip. The method performs best in ranging markets and can accumulate large directional exposure when price trends strongly in one direction.

Mechanics

A grid is defined by a reference price, a spacing interval, and a number of levels above and below. At each level, a resting order is placed: buy orders below the reference, sell orders above. When a buy order fills, a corresponding sell order is placed one interval higher; when a sell order fills, a buy order is placed one interval lower. Each matched pair closes a round trip for a profit equal to the interval minus transaction costs.

Grids may be arithmetic (fixed currency spacing) or geometric (fixed percentage spacing). They can be run on any liquid instrument, but the number of levels and the total capital committed must be planned in advance. If price moves beyond the outermost level, the grid is exhausted and the position is fully exposed to further adverse movement.

Worked example

An arithmetic grid on an instrument quoted at 100.00 uses a 1.00 interval and five levels above and below. The table shows the first round trip.

GRID ROUND TRIP
Reference price100.00—
Buy order level100.00 − 1.0099.00
Sell order level99.00 + 1.00100.00
Gross profit per unit100.00 − 99.001.00

Transaction costs reduce the net result. If the round-trip cost is 0.10 per unit, the net profit is 0.90 per unit. The same logic applies at each level, but a sustained move below 95.00 leaves five buy positions open with no corresponding sell orders.

Risk characteristics

Grid trading converts volatility into income when price oscillates, but it does not cap losses in a trend. As price moves against the grid, the position size grows and the average entry price moves closer to the market, increasing exposure precisely when the market is moving adversely. A stop-loss or a maximum position limit is therefore a common risk control, though it changes the strategy from pure grid to a hybrid.

Leverage amplifies both the income from oscillations and the risk of liquidation during a trend. The capital required to sustain a grid to its outermost level should be calculated before deployment, not after.

Often confused with

cfd trading
CFD trading is the practice of taking a contract for difference position, a leveraged derivative that pays the difference between an asset's opening and closing price without the trader owning the underlying asset.
margin trading
Margin trading is the practice of using borrowed funds from a broker to open positions larger than the cash deposit, with the loan secured by the account's equity and subject to interest and maintenance requirements.
forex trading
Forex trading is the exchange of one national currency for another at an agreed rate, conducted in an over-the-counter global market where prices are quoted in currency pairs and positions are typically closed or rolled over without physical delivery.

See also