
CFD Beginner’s Guide: Why Are Price Fluctuations More Obvious When the Market Opens and Closes?
Why Pay Attention to the Market Open and Close?
In CFD trading, the market open and close are often time periods when price fluctuations are relatively obvious.
For beginners, understanding the characteristics of open and close helps to better understand spread changes, slippage risk, and order execution.
Different CFD varieties correspond to different markets. For example, stock index CFDs may be affected by local stock market trading hours; commodity CFDs may be affected by futures market trading sessions; forex CFDs are usually related to the trading hours of major global markets.
Common Characteristics When the Market Opens
1. Prices May Gap
When the market opens, the market may directly open higher or lower.
This is because during the market closure, new news, policies, economic data, or international market changes may affect investor expectations.
If a major event occurs during the market closure, the opening price may have an obvious gap from the previous trading day’s closing price.
2. Volatility Is Usually Greater
After the market opens, market participants will concentrate on processing overnight information and trading demand.
Buy and sell orders enter the market in a concentrated manner, which may cause prices to change rapidly within a short period of time.
3. Spreads May Widen
When the market has just opened, market liquidity may not yet have fully recovered, and the bid-ask spread may widen.
This will increase trading costs and may also affect the execution of stop-loss and take-profit orders.
Common Characteristics When the Market Closes
1. Liquidity May Decline
Near the market close, some traders will choose to reduce positions or close positions, and market order depth may change.
If liquidity declines, price fluctuations may become unstable.
2. Spreads May Widen
Similar to the market open, spreads may also widen before and after the market close.
If beginners place market orders during this time period, the actual execution price may be different from expected.
3. Positions May Generate Overnight Costs
For some CFD products, if positions are held overnight, overnight financing fees or funding costs may be involved.
Holding costs may differ for different products and different position directions, and traders should check the relevant rules in advance.
What Impact Do Open and Close Periods Have on Beginners?
1. Slippage Is More Likely to Occur
When prices change rapidly or market liquidity is insufficient, orders may not be executed at the expected price.
2. Stop-Loss May Not Equal the Final Execution Price
If the market opens and directly skips over the stop-loss price, the order may be executed at the next executable price.
This means the actual loss may be greater than originally expected.
3. Leverage Risk Will Be Amplified
CFDs usually use margin and leverage.
When volatility is relatively large during the open and close, small price changes may also have a relatively large impact on account equity.
How Can Beginners Respond to Open and Close Volatility?
1. Check Market News Before the Open
Before trading, you can pay attention to whether there is major news, economic data, policy changes, or international market volatility.
2. Avoid Blindly Chasing Orders Right After the Market Opens
Prices may fluctuate rapidly in the early stage after the market opens, and beginners should avoid impulsive trading due to short-term market changes.
3. Control Position Size
If you must trade near the market open or close, it is recommended to reduce the position size and avoid excessive use of leverage.
4. Understand Holding Costs in Advance
If you plan to hold positions overnight, you should check in advance whether overnight financing fees, funding rates, or other holding costs are involved.
5. Use Risk Management Tools
Stop-loss, take-profit, limit orders, and other tools can help traders manage risk, but they cannot completely eliminate slippage or gap risk.
Simple Example: The Impact of an Opening Gap on Stop-Loss
Suppose a trader holds a long CFD position, with an opening price of 100 and a stop-loss set at 95.
If the market normally falls to 95, the stop-loss may be executed at a price close to 95.
But if major negative news occurs during the market closure and the market opens directly with a gap to 90, then the stop-loss order may not be executed at 95, but at a price close to 90.
This is the risk that an opening gap may bring.
Summary
The market open and close periods are often accompanied by higher volatility, wider spreads, and higher slippage risk.
For CFD beginners, understanding the characteristics of open and close is very important, especially when using leverage for trading.
When trading near the open and close, special attention should be paid to:
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Whether there is major market news
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Whether spreads have widened
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Whether liquidity is sufficient
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Whether there is gap risk
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Whether overnight holding costs will be generated
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Whether positions and leverage are reasonable
🔥 Want to Respond More Calmly to CFD Market Open and Close Volatility?
The market open and close are often accompanied by more obvious price fluctuations, spread changes, and order execution risks. For CFD beginners, understanding market session characteristics in advance and using suitable trading tools helps to better plan opening positions, closing positions, and risk control.
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- Why Pay Attention to the Market Open and Close?
- Common Characteristics When the Market Opens
- Common Characteristics When the Market Closes
- What Impact Do Open and Close Periods Have on Beginners?
- How Can Beginners Respond to Open and Close Volatility?
- Simple Example: The Impact of an Opening Gap on Stop-Loss
- Summary



