Adjusting Position Size Mid-Trade
| Adjusting Position Size Mid-Trade | |
|---|---|
| Cluster | General |
| Market | |
| Margin | |
| Settlement | |
| Key risk | |
| See also | |
Definition
Adjusting position size mid-trade, often referred to as scaling in or scaling out, is the practice of modifying the notional value of an existing open futures contract position before it reaches its intended target or stop-loss level. This involves either adding to an existing long or short position (increasing exposure) or taking partial profits or reducing exposure by closing a portion of the position.
Why it matters
The ability to adjust position size dynamically is crucial for effective Risk Management in the volatile Cryptocurrency Market. It allows traders to adapt their strategy in response to changing market conditions without having to close the entire trade prematurely or remain over-leveraged when the market moves against initial expectations.
Scaling in allows a trader to increase conviction on a trade that is moving favorably, potentially maximizing gains. Scaling out, conversely, allows a trader to secure partial profits as key price levels are reached, thereby locking in gains while leaving a portion of the position open to capture further movement (a technique sometimes called "letting your winners run").
How it works
Position size adjustments are executed through the order entry interface of a Cryptocurrency Derivatives Exchange. The process generally requires calculating the remaining margin requirements and ensuring sufficient available margin exists before submitting the new order.
Scaling In (Increasing Exposure)
To scale in, a trader submits a new order in the same direction as the existing position. For example, a trader holding a 1 BTC long position might submit an additional order to buy 0.5 BTC. The exchange aggregates these orders, resulting in a total open position of 1.5 BTC. The Average Entry Price for the combined position will be recalculated based on the price of the new addition.
Scaling Out (Reducing Exposure)
To scale out, a trader submits an order opposite to their current position for a specified partial amount. If a trader holds a 2 BTC short position and wishes to close half, they would submit a buy order for 1 BTC. This reduces the open exposure to 1 BTC. Scaling out is often done at predetermined Take Profit Levels.
Practical examples
A trader believes Bitcoin will rise from $60,000 to $65,000 but is cautious about immediate upside.
- Initial Entry: The trader opens a long position of 1 BTC at $60,000.
- Scaling In: If the price moves favorably to $61,000, indicating strong momentum, the trader might add another 1 BTC to the position, increasing total exposure to 2 BTC. This is done to capitalize on the perceived trend continuation.
- Scaling Out (Partial Profit Taking): If the price reaches the initial target of $65,000, the trader might close 1 BTC of the 2 BTC position to secure profit on half the trade. The remaining 1 BTC position is held, perhaps with the stop-loss moved to break-even or a higher level to protect the remaining capital.
Common mistakes
- Over-leveraging During Scaling In: Adding to a position that is already significantly in profit or loss without re-evaluating the overall Margin Ratio can lead to premature liquidation if the market reverses sharply.
- Ignoring Slippage: When scaling out during high volatility, the partial closing order may execute at a price significantly worse than intended, eroding the intended profit.
- Scaling In Against a Losing Position (Averaging Down Poorly): While some strategies involve averaging down (scaling into a losing position), doing so without a strong fundamental reason or defined exit plan often results in larger losses when the market trend continues against the trader. This is distinct from scaling in based on confirmation of a favorable move.
Safety and Risk Notes
Any adjustment to an open position, especially scaling in, increases the total Notional Value exposed to market movement. Traders must always confirm that the resulting total position size does not breach the exchange's maximum position limits or place undue strain on the Maintenance Margin. Failure to manage margin correctly after scaling in can lead to a smaller buffer against volatility and a higher risk of Liquidation Price breach.
See also
Leverage Margin Call Order Types Position Sizing Stop-Loss Order
References
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| Binance | Binance | Spot and futures. |
| Bybit | Bybit | Futures tools. |
| BingX | BingX | Derivatives exchange. |
| Bitget | Bitget | Derivatives exchange. |