# Trailing Stop Loss: How It Works and When to Use It

Published: 2026-02-26
Author: Warren Team
URL: https://www.heywarren.com/blog/trailing-stop-loss

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A trailing stop loss is a dynamic order type that automatically adjusts as the price of an asset moves in your favour, locking in gains while still giving the position room to run. Unlike a fixed stop loss, which stays at a set price level, a trailing stop "trails" the market price upward (for long positions) by a fixed dollar amount or percentage. When the price reverses by that specified amount from its highest point, the order triggers and closes the position. Trailing stops are one of the most useful tools for trend followers, swing traders, and long-term investors who want systematic profit protection without constant manual monitoring.

## How a Trailing Stop Loss Works

**For a long position (buying)**:
- You buy a stock at $100
- You set a trailing stop of $5 (or 5%)
- If the stock rises to $120, the stop trails to $115
- If the stock rises to $150, the stop trails to $145
- If the stock then falls from $150 to $145, the stop triggers, position is sold at approximately $145

![A trailing stop on a long position rises with the price and triggers only when the price falls back by the trailing amount.](data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%20800%20149%22%20width%3D%22800%22%20height%3D%22149%22%20role%3D%22img%22%3E%3Ctitle%3ETimeline%3C%2Ftitle%3E%3Crect%20width%3D%22100%25%22%20height%3D%22100%25%22%20fill%3D%22%23f8fafc%22%2F%3E%3Cline%20x1%3D%22120%22%20y1%3D%2255%22%20x2%3D%22680%22%20y2%3D%2255%22%20stroke%3D%22%23cbd5e1%22%20stroke-width%3D%223%22%2F%3E%3Ccircle%20cx%3D%22120%22%20cy%3D%2255%22%20r%3D%2224%22%20fill%3D%22white%22%20stroke%3D%22%23cbd5e1%22%20stroke-width%3D%222%22%2F%3E%3Ctext%20x%3D%22120%22%20y%3D%2260%22%20text-anchor%3D%22middle%22%20font-family%3D%22system-ui%2C-apple-system%2Csans-serif%22%20font-size%3D%2215%22%20font-weight%3D%22700%22%20fill%3D%22%230f172a%22%3E1%3C%2Ftext%3E%3Ctext%20x%3D%22120%22%20y%3D%22101%22%20text-anchor%3D%22middle%22%20font-family%3D%22system-ui%2C-apple-system%2Csans-serif%22%20font-size%3D%2212%22%20font-weight%3D%22600%22%20fill%3D%22%230f172a%22%3EBuy%20at%20%24100%3C%2Ftext%3E%3Ctext%20x%3D%22120%22%20y%3D%22119%22%20text-anchor%3D%22middle%22%20font-family%3D%22system-ui%2C-apple-system%2Csans-serif%22%20font-size%3D%2210%22%20fill%3D%22%2364748b%22%3EStop%20set%20at%20%2495%3C%2Ftext%3E%3Ccircle%20cx%3D%22260%22%20cy%3D%2255%22%20r%3D%2224%22%20fill%3D%22white%22%20stroke%3D%22%23cbd5e1%22%20stroke-width%3D%222%22%2F%3E%3Ctext%20x%3D%22260%22%20y%3D%2260%22%20text-anchor%3D%22middle%22%20font-family%3D%22system-ui%2C-apple-system%2Csans-serif%22%20font-size%3D%2215%22%20font-weight%3D%22700%22%20fill%3D%22%230f172a%22%3E2%3C%2Ftext%3E%3Ctext%20x%3D%22260%22%20y%3D%22101%22%20text-anchor%3D%22middle%22%20font-family%3D%22system-ui%2C-apple-system%2Csans-serif%22%20font-size%3D%2212%22%20font-weight%3D%22600%22%20fill%3D%22%230f172a%22%3EPrice%20%E2%86%92%20%24120%3C%2Ftext%3E%3Ctext%20x%3D%22260%22%20y%3D%22119%22%20text-anchor%3D%22middle%22%20font-family%3D%22system-ui%2C-apple-system%2Csans-serif%22%20font-size%3D%2210%22%20fill%3D%22%2364748b%22%3EStop%20trails%20to%20%24115%3C%2Ftext%3E%3Ccircle%20cx%3D%22400%22%20cy%3D%2255%22%20r%3D%2224%22%20fill%3D%22white%22%20stroke%3D%22%23cbd5e1%22%20stroke-width%3D%222%22%2F%3E%3Ctext%20x%3D%22400%22%20y%3D%2260%22%20text-anchor%3D%22middle%22%20font-family%3D%22system-ui%2C-apple-system%2Csans-serif%22%20font-size%3D%2215%22%20font-weight%3D%22700%22%20fill%3D%22%230f172a%22%3E3%3C%2Ftext%3E%3Ctext%20x%3D%22400%22%20y%3D%22101%22%20text-anchor%3D%22middle%22%20font-family%3D%22system-ui%2C-apple-system%2Csans-serif%22%20font-size%3D%2212%22%20font-weight%3D%22600%22%20fill%3D%22%230f172a%22%3EPrice%20%E2%86%92%20%24150%3C%2Ftext%3E%3Ctext%20x%3D%22400%22%20y%3D%22119%22%20text-anchor%3D%22middle%22%20font-family%3D%22system-ui%2C-apple-system%2Csans-serif%22%20font-size%3D%2210%22%20fill%3D%22%2364748b%22%3EStop%20trails%20to%20%24145%3C%2Ftext%3E%3Ccircle%20cx%3D%22540%22%20cy%3D%2255%22%20r%3D%2224%22%20fill%3D%22%232563eb%22%20stroke%3D%22%232563eb%22%20stroke-width%3D%223%22%2F%3E%3Ctext%20x%3D%22540%22%20y%3D%2260%22%20text-anchor%3D%22middle%22%20font-family%3D%22system-ui%2C-apple-system%2Csans-serif%22%20font-size%3D%2215%22%20font-weight%3D%22700%22%20fill%3D%22white%22%3E4%3C%2Ftext%3E%3Ctext%20x%3D%22540%22%20y%3D%22101%22%20text-anchor%3D%22middle%22%20font-family%3D%22system-ui%2C-apple-system%2Csans-serif%22%20font-size%3D%2212%22%20font-weight%3D%22600%22%20fill%3D%22%230f172a%22%3EPrice%20drops%20%245%3C%2Ftext%3E%3Ctext%20x%3D%22540%22%20y%3D%22119%22%20text-anchor%3D%22middle%22%20font-family%3D%22system-ui%2C-apple-system%2Csans-serif%22%20font-size%3D%2210%22%20fill%3D%22%2364748b%22%3EHits%20%24145%3C%2Ftext%3E%3Ccircle%20cx%3D%22680%22%20cy%3D%2255%22%20r%3D%2224%22%20fill%3D%22white%22%20stroke%3D%22%23cbd5e1%22%20stroke-width%3D%222%22%2F%3E%3Ctext%20x%3D%22680%22%20y%3D%2260%22%20text-anchor%3D%22middle%22%20font-family%3D%22system-ui%2C-apple-system%2Csans-serif%22%20font-size%3D%2215%22%20font-weight%3D%22700%22%20fill%3D%22%230f172a%22%3E5%3C%2Ftext%3E%3Ctext%20x%3D%22680%22%20y%3D%22101%22%20text-anchor%3D%22middle%22%20font-family%3D%22system-ui%2C-apple-system%2Csans-serif%22%20font-size%3D%2212%22%20font-weight%3D%22600%22%20fill%3D%22%230f172a%22%3EPosition%20closed%3C%2Ftext%3E%3Ctext%20x%3D%22680%22%20y%3D%22119%22%20text-anchor%3D%22middle%22%20font-family%3D%22system-ui%2C-apple-system%2Csans-serif%22%20font-size%3D%2210%22%20fill%3D%22%2364748b%22%3E~%2445%20gain%20locked%20in%3C%2Ftext%3E%3C%2Fsvg%3E)

*A trailing stop on a long position rises with the price and triggers only when the price falls back by the trailing amount.*

The key: the stop only moves up, never down. Once the stock retreats by the trailing amount from its peak, the position is closed.

**For a short position (selling)**:
The stop trails downward, it moves lower as prices fall (in your favour) and triggers if price rises back up by the trailing amount.

## Fixed vs. Percentage Trailing Stop

| Type | Mechanics | Example | Best For |
|---|---|---|---|
| Fixed dollar trailing stop | Stop trails by a fixed $ amount | Buy at $50; trail $5; stop = current high − $5 | Lower-priced stocks; specific dollar risk |
| Percentage trailing stop | Stop trails by a % of current price | Buy at $50; trail 10%; stop = current high × 90% | Higher-priced stocks; proportional risk management |
| ATR-based trailing stop | Stop trails by a multiple of Average True Range | Trail by 2× ATR (adjusts for volatility) | Volatility-adaptive position management |

**Percentage example**:
- Buy at $200 with 10% trailing stop → initial stop at $180
- Stock rises to $300 → stop moves to $270
- Stock falls from $300 to $270 → position sold at ~$270 (35% gain locked in)

## ATR-Based Trailing Stops: The Professional Approach

The **Average True Range (ATR)** measures a security's average daily price range over a lookback period (typically 14 days). Using ATR-based trailing stops adjusts for volatility:

- A low-volatility stock with a 1% daily ATR might use a 2× ATR = 2% trailing stop
- A high-volatility stock with a 5% daily ATR might use a 2× ATR = 10% trailing stop

This prevents the stop from being triggered by normal daily noise on volatile stocks, while keeping the stop tight on stable stocks. Most professional traders and systematic trend-following strategies use ATR-based stops.

## Setting the Trailing Distance: The Core Trade-off

**Too tight** (e.g., 1–2%): Frequently stops you out on normal daily fluctuations before the trend plays out. High win rate of the stop triggering, but exits may be premature.

![Choosing the right trailing distance balances premature exits against giving back too much profit.](data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%20720%20480%22%20width%3D%22720%22%20height%3D%22480%22%20role%3D%22img%22%3E%3Ctitle%3EQuadrant%20matrix%3C%2Ftitle%3E%3Crect%20width%3D%22100%25%22%20height%3D%22100%25%22%20fill%3D%22%23f8fafc%22%2F%3E%3Crect%20x%3D%2290%22%20y%3D%2225%22%20width%3D%22300%22%20height%3D%22190%22%20fill%3D%22%23dbeafe%22%2F%3E%3Crect%20x%3D%22390%22%20y%3D%2225%22%20width%3D%22300%22%20height%3D%22190%22%20fill%3D%22%23d1fae5%22%2F%3E%3Crect%20x%3D%2290%22%20y%3D%22215%22%20width%3D%22300%22%20height%3D%22190%22%20fill%3D%22%23ffedd5%22%2F%3E%3Crect%20x%3D%22390%22%20y%3D%22215%22%20width%3D%22300%22%20height%3D%22190%22%20fill%3D%22%23ede9fe%22%2F%3E%3Cline%20x1%3D%2290%22%20y1%3D%22215%22%20x2%3D%22690%22%20y2%3D%22215%22%20stroke%3D%22%2364748b%22%20stroke-width%3D%222%22%2F%3E%3Cline%20x1%3D%22390%22%20y1%3D%2225%22%20x2%3D%22390%22%20y2%3D%22405%22%20stroke%3D%22%2364748b%22%20stroke-width%3D%222%22%2F%3E%3Ctext%20x%3D%22240%22%20y%3D%22100%22%20text-anchor%3D%22middle%22%20font-family%3D%22system-ui%2C-apple-system%2Csans-serif%22%20font-size%3D%2213%22%20font-weight%3D%22700%22%20fill%3D%22%230f172a%22%3EWhipsawed%3C%2Ftext%3E%3Ctext%20x%3D%22240%22%20y%3D%22120%22%20text-anchor%3D%22middle%22%20font-family%3D%22system-ui%2C-apple-system%2Csans-serif%22%20font-size%3D%2210%22%20fill%3D%22%2364748b%22%3E%E2%80%A2%20Frequent%20exits%3C%2Ftext%3E%3Ctext%20x%3D%22240%22%20y%3D%22136%22%20text-anchor%3D%22middle%22%20font-family%3D%22system-ui%2C-apple-system%2Csans-serif%22%20font-size%3D%2210%22%20fill%3D%22%2364748b%22%3E%E2%80%A2%20Normal%20noise%20triggers%3C%2Ftext%3E%3Ctext%20x%3D%22540%22%20y%3D%22100%22%20text-anchor%3D%22middle%22%20font-family%3D%22system-ui%2C-apple-system%2Csans-serif%22%20font-size%3D%2213%22%20font-weight%3D%22700%22%20fill%3D%22%230f172a%22%3ESweet%20Spot%3C%2Ftext%3E%3Ctext%20x%3D%22540%22%20y%3D%22120%22%20text-anchor%3D%22middle%22%20font-family%3D%22system-ui%2C-apple-system%2Csans-serif%22%20font-size%3D%2210%22%20fill%3D%22%2364748b%22%3E%E2%80%A2%20ATR-based%3C%2Ftext%3E%3Ctext%20x%3D%22540%22%20y%3D%22136%22%20text-anchor%3D%22middle%22%20font-family%3D%22system-ui%2C-apple-system%2Csans-serif%22%20font-size%3D%2210%22%20fill%3D%22%2364748b%22%3E%E2%80%A2%20Trend%20followers%3C%2Ftext%3E%3Ctext%20x%3D%22240%22%20y%3D%22290%22%20text-anchor%3D%22middle%22%20font-family%3D%22system-ui%2C-apple-system%2Csans-serif%22%20font-size%3D%2213%22%20font-weight%3D%22700%22%20fill%3D%22%230f172a%22%3EWorst%20of%20both%3C%2Ftext%3E%3Ctext%20x%3D%22240%22%20y%3D%22310%22%20text-anchor%3D%22middle%22%20font-family%3D%22system-ui%2C-apple-system%2Csans-serif%22%20font-size%3D%2210%22%20fill%3D%22%2364748b%22%3E%E2%80%A2%20Tight%20%2B%20low%20gain%3C%2Ftext%3E%3Ctext%20x%3D%22240%22%20y%3D%22326%22%20text-anchor%3D%22middle%22%20font-family%3D%22system-ui%2C-apple-system%2Csans-serif%22%20font-size%3D%2210%22%20fill%3D%22%2364748b%22%3E%E2%80%A2%20Avoid%3C%2Ftext%3E%3Ctext%20x%3D%22540%22%20y%3D%22290%22%20text-anchor%3D%22middle%22%20font-family%3D%22system-ui%2C-apple-system%2Csans-serif%22%20font-size%3D%2213%22%20font-weight%3D%22700%22%20fill%3D%22%230f172a%22%3EGives%20back%20gains%3C%2Ftext%3E%3Ctext%20x%3D%22540%22%20y%3D%22310%22%20text-anchor%3D%22middle%22%20font-family%3D%22system-ui%2C-apple-system%2Csans-serif%22%20font-size%3D%2210%22%20fill%3D%22%2364748b%22%3E%E2%80%A2%2030%25%2B%20distance%3C%2Ftext%3E%3Ctext%20x%3D%22540%22%20y%3D%22326%22%20text-anchor%3D%22middle%22%20font-family%3D%22system-ui%2C-apple-system%2Csans-serif%22%20font-size%3D%2210%22%20fill%3D%22%2364748b%22%3E%E2%80%A2%20Slow%20to%20trigger%3C%2Ftext%3E%3Ctext%20x%3D%2290%22%20y%3D%22425%22%20text-anchor%3D%22start%22%20font-family%3D%22system-ui%2C-apple-system%2Csans-serif%22%20font-size%3D%2211%22%20fill%3D%22%2364748b%22%3ETight%20stop%3C%2Ftext%3E%3Ctext%20x%3D%22690%22%20y%3D%22425%22%20text-anchor%3D%22end%22%20font-family%3D%22system-ui%2C-apple-system%2Csans-serif%22%20font-size%3D%2211%22%20fill%3D%22%2364748b%22%3EWide%20stop%3C%2Ftext%3E%3Ctext%20x%3D%22390%22%20y%3D%22453%22%20text-anchor%3D%22middle%22%20font-family%3D%22system-ui%2C-apple-system%2Csans-serif%22%20font-size%3D%2212%22%20font-weight%3D%22600%22%20fill%3D%22%230f172a%22%3ETrailing%20Distance%3C%2Ftext%3E%3Ctext%20x%3D%2280%22%20y%3D%2237%22%20text-anchor%3D%22end%22%20font-family%3D%22system-ui%2C-apple-system%2Csans-serif%22%20font-size%3D%2211%22%20fill%3D%22%2364748b%22%3EHigh%3C%2Ftext%3E%3Ctext%20x%3D%2280%22%20y%3D%22405%22%20text-anchor%3D%22end%22%20font-family%3D%22system-ui%2C-apple-system%2Csans-serif%22%20font-size%3D%2211%22%20fill%3D%22%2364748b%22%3ELow%3C%2Ftext%3E%3Ctext%20x%3D%2235%22%20y%3D%22215%22%20text-anchor%3D%22middle%22%20font-family%3D%22system-ui%2C-apple-system%2Csans-serif%22%20font-size%3D%2212%22%20font-weight%3D%22600%22%20fill%3D%22%230f172a%22%20transform%3D%22rotate%28-90%2035%20215%29%22%3EProfit%20Retained%3C%2Ftext%3E%3C%2Fsvg%3E)

*Choosing the right trailing distance balances premature exits against giving back too much profit.*

**Too loose** (e.g., 30%): Gives up too much of the gains before triggering. You might ride a position from +$100 gain back to +$40 gain before the stop fires.

**Practical guidelines**:
- Intraday traders: 0.5–2% (or 1–2× ATR)
- Swing traders (days to weeks): 3–8% (or 2–3× ATR)
- Position/trend traders (weeks to months): 8–20% (or 3–5× ATR)

The correct trailing distance reflects the expected volatility over your holding horizon. If a stock typically moves 2% per day, a 3% trailing stop will likely be triggered by routine volatility rather than a genuine trend reversal.

## Trailing Stops vs. Fixed Stop Losses

| Feature | Fixed Stop Loss | Trailing Stop Loss |
|---|---|---|
| Price level | Static | Dynamic, moves with the position |
| Profit protection | Limited, only limits loss | Locks in profits as price rises |
| Manual adjustment | Required to lock in gains | Automatic |
| Complexity | Simple | Moderate |
| Ideal for | Short-term trades with specific targets | Trending markets, longer holding periods |

## Execution Mechanics: Market vs. Stop-Limit

**Stop market order**: When the trailing price is hit, a market order is submitted. Guaranteed execution, but the fill price may be worse than the stop price in fast markets (slippage).

![Stop-market orders guarantee execution; stop-limit orders guarantee price but risk no fill.](data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%20800%20210%22%20width%3D%22800%22%20height%3D%22210%22%20role%3D%22img%22%3E%3Ctitle%3EComparison%3C%2Ftitle%3E%3Crect%20width%3D%22100%25%22%20height%3D%22100%25%22%20fill%3D%22%23f8fafc%22%2F%3E%3Ctext%20x%3D%22230%22%20y%3D%2257.5%22%20text-anchor%3D%22end%22%20font-family%3D%22system-ui%2C-apple-system%2Csans-serif%22%20font-size%3D%2214%22%20font-weight%3D%22600%22%20fill%3D%22%230f172a%22%3EStop-Market%3C%2Ftext%3E%3Crect%20x%3D%22240%22%20y%3D%2225%22%20width%3D%22450%22%20height%3D%2255%22%20rx%3D%226%22%20fill%3D%22%232563eb%22%2F%3E%3Ctext%20x%3D%22702%22%20y%3D%2257.5%22%20font-family%3D%22system-ui%2C-apple-system%2Csans-serif%22%20font-size%3D%2214%22%20font-weight%3D%22700%22%20fill%3D%22%232563eb%22%3E%25%20fill%20rate100%3C%2Ftext%3E%3Ctext%20x%3D%22230%22%20y%3D%22152.5%22%20text-anchor%3D%22end%22%20font-family%3D%22system-ui%2C-apple-system%2Csans-serif%22%20font-size%3D%2214%22%20font-weight%3D%22600%22%20fill%3D%22%230f172a%22%3EStop-Limit%3C%2Ftext%3E%3Crect%20x%3D%22240%22%20y%3D%22120%22%20width%3D%22270%22%20height%3D%2255%22%20rx%3D%226%22%20fill%3D%22%237c3aed%22%2F%3E%3Ctext%20x%3D%22522%22%20y%3D%22152.5%22%20font-family%3D%22system-ui%2C-apple-system%2Csans-serif%22%20font-size%3D%2214%22%20font-weight%3D%22700%22%20fill%3D%22%237c3aed%22%3E%25%20fill%20rate60%3C%2Ftext%3E%3C%2Fsvg%3E)

*Stop-market orders guarantee execution; stop-limit orders guarantee price but risk no fill.*

**Stop-limit order (trailing stop-limit)**: When triggered, submits a limit order at the stop price. Prevents bad fills in illiquid markets, but risks not being filled at all if the price gaps through the limit.

For most retail traders in [liquid markets](/blog/liquid-markets) (S&P 500 stocks, major ETFs), trailing stop-market orders are preferred, the guaranteed execution outweighs the minor slippage risk.

## When Not to Use a Trailing Stop

**Earnings announcements**: If you hold through earnings, the stop may trigger on the initial reaction before the price recovers. Consider removing or widening the stop before earnings.

**Illiquid markets**: Wide bid-ask spreads can cause execution at prices significantly worse than the stop level.

**Range-bound markets**: In choppy, non-trending markets, trailing stops frequently trigger prematurely. They work best in trending environments where prices make consistent higher highs.

**Very long-term positions**: For multi-year position investing, a 20–30% trailing stop on a diversified portfolio may generate more tax events and transaction costs than the benefit warrants.

## Authoritative Sources

For deeper background and primary-source data on this topic, the following authoritative sources are useful starting points:

- [IRS](https://www.irs.gov/)
- [SEC](https://www.sec.gov/)

## Conclusion

Trailing stop losses are a systematic, automatic mechanism for protecting profits in trending markets while giving positions room to breathe. The core trade-off is distance: too tight and you're stopped out by normal volatility; too loose and you give back too much profit. ATR-based trailing stops represent the most sophisticated approach, adapting the distance to current market volatility. Combined with proper position sizing, trailing stops are one of the most effective risk management tools for discretionary and systematic traders alike. For related risk concepts, see our guide on [strike prices](/blog/strike-prices).

Warren at [heywarren.com](https://heywarren.com) helps investors and traders understand position management, risk control strategies, and systematic approaches to protecting investment gains.

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## Related Reading

**More from Warren**:
- [Strike Price: What It Is and How It Affects Options Value](/blog/strike-prices)
- [Bullish Divergence: What It Is and How Traders Use It](/blog/bullish-divergence)
- [Butterfly Spread: What It Is and How Options Traders Use It](/blog/butterfly-finance)

**Authoritative sources**:
- [FINRA, Stop Orders Explained](https://www.finra.org/investors/learn-to-invest/advanced-investing/stop-orders)
- [CMT Association, Technical Analysis](https://cmtassociation.org/)
- [CBOE, Order Types](https://www.cboe.com/education/)