Holding Period and Strategy Frequency

A strategy's holding period, the typical length of time a position is held before being closed or rotated, and its frequency, how often it trades, are two sides of the same design decision, not separate choices to be optimized independently. A strategy that holds positions for months naturally trades rarely, while one that closes every position within minutes must trade constantly just to stay invested in its ideas. Shortening a strategy's average holding period, all else equal, means both trading and rebalancing far more often.

This linkage drives which costs dominate. A short-holding-period, high-frequency strategy lives or dies on transaction costs and market microstructure, its edge per trade is typically small, so commissions, spread, and slippage can consume most of the theoretical return unless execution is genuinely excellent. A long-holding-period, low-frequency strategy instead worries more about opportunity cost and macro risk over the holding window, since a position sits exposed to whatever happens over weeks or months between trades. Capacity moves in the same direction: high-frequency, short-holding strategies tend to have less capacity because they need liquidity available constantly, while patient, long-holding strategies can often deploy more capital without moving the market as much.