Buy stop

What is Buy stop in forex and CFD trading

A buy stop is a pending order instructing a broker to automatically execute a market order to buy an asset once the ask price reaches a specific level that is above the current market price. It is primarily used by traders to enter a long position on the expectation that a breakout or continued momentum will occur after a predefined resistance level is breached. The trader can verify the buy stop placement and its triggered price in the Pending Orders or Trade History section of the trading platform. Since a buy stop converts to a market order, it carries a risk of negative slippage if the market moves rapidly at the trigger point, as explained further in this glossary.

Key facts about Buy stop

• Trigger Condition: The order is activated when the market’s ask price rises to and touches the specified buy stop price.
• Position Relative to Market: Always set above the current ask price to initiate a purchase as price rises.
• Execution Type: Converts from a pending order to a market order upon trigger.
• Primary Use Case: Capturing momentum trades, confirming a breakout above a resistance level, or initiating a stop-loss for a short position.
• Slippage Risk: Vulnerable to negative slippage, particularly during high-impact news events, as execution price is not guaranteed.
• Minimum Distance: Many brokers enforce a minimum distance (e.g., 0-5 pips) between the current ask price and the buy stop price.

How Buy stop works in forex and CFD trading

The function of a buy stop is to position the trader to follow an expected upward move after a confirmed breach of a psychological or technical level.

The process involves these steps:

1. Level Identification: The trader identifies a resistance level (R1) above the current price, expecting a strong move if R1 is broken.
2. Order Placement: The trader sets a buy stop price slightly above R1 (e.g., 2 pips higher), defining the volume and stop-loss levels.
3. Order Resting: The buy stop order is placed on the broker’s execution server, awaiting the trigger price.
4. Market Movement: The market ask price begins to rise toward the buy stop price.
5. Activation and Conversion: When the ask price touches the buy stop price, the pending order is instantaneously converted into a market order.
6. Execution: The resulting market order is executed at the best available price at that moment, which may be equal to or slightly higher than the trigger price due to slippage.

Example of Buy stop with a real trade

A trader anticipates that EUR/USD will accelerate significantly if it breaks a key resistance level.

Inputs: Current ask price: 1.09500 Resistance level: 1.10000 Buy stop price: 1.10050 (5 pips above resistance) Position size: 1 mini lot (10,000 units)

Execution Scenario: Order placed: Buy stop 0.1 lot at 1.10050. Market movement: Ask price moves from 1.09500 to 1.10050. Trigger: The order is activated at 1.10050. Execution: Due to the sudden breakout volume, the best available price is 1.10065. Slippage: 1.10065 – 1.10050 = 1.5 pips of negative slippage.

Result: The long position is opened at 1.10065. The cost of the negative slippage is 10,000 units × 0.00015 = $1.50. The trade successfully entered the momentum move, but the entry price was slightly worse than planned.

How Buy stop affects your cost and risk

A buy stop can increase your entry cost and risk exposure compared to the desired trigger price due to the possibility of negative slippage. The stop order nature means that price certainty is sacrificed for execution certainty in a rising market.

Buy stop compared with related concepts

Buy stop vs Buy limit

A buy stop is used to enter a position at a price worse than current market ask price, expecting the price to continue rising after a resistance break, whereas a buy limit is used to enter at a price better than current market ask price, expecting the price to fall back to a support level before reversing.

Buy stop vs Market order

A buy stop is a pending order that delays the execution until a higher price level is reached, allowing for confirmation of a move, whereas a market order executes immediately at the current price, prioritizing speed over price confirmation.

How Afterprime handles Buy stop

Afterprime handles buy stop orders using the ECN/STP execution model sourced from institutional liquidity providers. Upon the ask price hitting the buy stop price, the order is sent to the market instantly, with sub-50 millisecond execution speed minimizing the time window during which additional price movement can occur.

The sub-50ms execution is particularly material during breakout conditions when price moves rapidly. Faster execution reduces the opportunity for additional adverse price movement between trigger and fill, though slippage risk exists during extreme volatility when the entire market is moving faster than any execution system can process.

Afterprime enforces zero minimum distance on major pairs, allowing traders to place buy stop orders as close to current market price as desired, providing maximum flexibility in breakout strategy execution.

Broker differences in Buy stop across the industry

The critical differences relate to execution latency upon trigger and the potential for negative slippage in high-volatility environments.

How to verify Buy stop on your trading platform

Verifying a buy stop order ensures that the entry price and volume are correctly set for the anticipated breakout.

1. Open New Order Window: Initiate the order ticket, typically by pressing F9 or clicking the chart trade button.
2. Select Pending Order: Change the type to ‘Pending Order’ in the order ticket.
3. Choose Buy Stop: Specify the pending order type as ‘Buy stop’.
4. Input Price and Volume: Enter a price higher than the current ask price in the price field, and set the volume.
5. Set SL/TP Levels (Optional): Define the stop-loss and take profit levels simultaneously.
6. Place Order: Click ‘Place’ and check the terminal window immediately.
7. Verify Placement and Distance: Confirm the order is listed as a buy stop, and visually check that the stop price is above the current ask price on the chart.

Sanity check: If the buy stop price is not above the current ask price, the platform will either reject the order or convert it to a market order instantly.