Lock In Profits

Definition

Locking in profits means converting unrealized (paper) gains into realized gains by selling all or part of a position. By doing so, an investor reduces exposure to subsequent price moves in the underlying security.

Why investors lock in profits

  • Reduce risk and protect capital after a favorable move.
  • Preserve portfolio allocation and manage concentration risk.
  • Generate income or fund other opportunities.
  • Execute a predefined trading plan (price targets, rebalancing rules).

How it’s done (common strategies)

  • Partial sells (scaling out): Sell a portion of the position at defined price levels to capture gains while retaining upside exposure.
  • Rebalancing: Sell outperforming holdings to restore target asset allocation and maintain intended risk profile.
  • Limit and stop orders: Use take-profit limit orders or stop-loss orders to automate realization of gains or limit downside.
  • Trailing stops: Set a stop that moves with the price to lock gains while allowing further upside.
  • Options strategies: Covered calls can generate income on holdings; protective puts limit downside while keeping upside exposure.

Examples

  • Long-term portfolio rebalancing: A fund grows from 20% to 30% of a portfolio. Selling some of that fund restores balance and reduces concentration risk.
  • Short-term trading: After a bullish move, a trader sells one-third of the position at the first price target, locking some gains while keeping the remainder for higher targets.
  • Simple numeric example: Buy 100 shares at $12; price rises to $36. Selling 50 shares at $36 realizes $1,800, securing profit on half the position even if the stock later falls.

Pros and cons

Pros
- Protects gains and reduces downside risk.
- Helps maintain portfolio discipline and allocation.
- Can free capital for other opportunities.

Cons
- Realized gains may trigger capital gains taxes.
- Transaction costs and bid/ask slippage.
- Selling too early can limit future upside (opportunity cost).
- Poorly timed or emotional decisions can reduce long-term returns.

Practical tips

  • Define rules in advance (price targets, allocation thresholds, or trailing stop levels).
  • Use automated orders to remove emotion from execution.
  • Consider tax consequences and holding periods when deciding what to sell.
  • Reassess strategy regularly to ensure it matches goals and risk tolerance.
  • Combine techniques (e.g., partial sells plus trailing stops) to balance protection and participation.

Key takeaways

  • Locking in profits means realizing unrealized gains by selling part or all of a position.
  • It’s used to reduce risk, rebalance portfolios, and secure gains while still allowing for potential upside.
  • Choose clear rules and tools (limits, stops, trailing stops, options) to execute profit-locking consistently.
  • Be mindful of taxes, costs, and the trade-off between protection and missed upside.