AnalysisNATGAS

How to read Monday openings

Avoid mistakes and protect your capital.

Kacper MrukMay 5, 2026Updated: May 5, 20261 min read
How to read Monday openings

Monday openings can be deceptive for traders. Understanding the mechanisms governing the market at this time is the key to success.

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What are you doing wrong

Many traders make mistakes during Monday openings. One of them is reacting too hastily to gaps, which are price differences between Friday's close and Monday's open. For example, if you close a position on XYZ stock at 100 PLN on Friday, and the open on Monday is 105 PLN, you might fall into the trap of buying with the expectation of further increases. Another mistake is ignoring market reactions to weekend events. It may turn out that an important political decision from the weekend causes false price movements that mislead you. The last mistake is improperly setting stop loss orders, which, in the case of large spreads and slippage, may not be fully executed, leading to greater losses.

Why is it a problem?

Misinterpreting Monday openings is problematic because markets are particularly susceptible to sudden, unpredictable changes at that time. Gaps often attract attention but can be the result of one-off events that do not have a lasting impact on the market. A poor understanding of these movements leads to making decisions without a full picture of the situation, resulting in financial losses. Furthermore, increased spreads and slippage can mean that your orders are executed at unfavorable prices, leading to unforeseen costs.

How much does it cost you?

Consider a scenario where you have a capital of 10,000 PLN. Thoughtless actions during Monday's opening can cost you up to 5% of that amount, which is 500 PLN, if the stop loss order is not filled due to significant slippage. For example, assuming you buy stocks with the expectation of a gap up, and the market reverses, you lose on the price difference of 2-3%, which translates to a loss of around 200-300 PLN. Additionally, there are spread costs, which in extreme cases can amount to another 100 PLN. In total, seemingly minor mistakes can cost you 600-800 PLN in one day.

What to do differently

To avoid the traps of Monday's opening, it is worth following a few rules. First, do not react hastily to gaps. Instead, wait for prices to stabilize before making a decision. Second, pay attention to weekend events that may influence market sentiment and remember that the market may initially react impulsively. Next, set stop loss orders with a safety margin to avoid incomplete execution. Additionally, consider limiting trading in the first hours after the opening, when volatility and spreads are the highest. Finally, be aware of transaction costs and incorporate them into your strategies.

🎯 Habit to implement

Always check weekend events before Monday's opening.

Frequently Asked Questions

How to analyze trading instruments effectively?
Effective analysis combines technical analysis (charts, patterns, indicators) with fundamental analysis (economic data, news events). Understanding both short-term price action and long-term trends is essential.

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