Why does it always go down when you buy and go up when you sell? Overcome human weaknesses in trading
- 2026-04-24
- Posted by: Wmax
- Category: Tutorial
In the world of trading, there is a famous paradox: If trading relies entirely on technology, why do many PhDs in mathematics and physicists still suffer heavy losses in the market? The answer often points to an invisible battlefield—psychology and human nature. manyWMAXUsers have reported that they have made perfect plans, but are hesitant when it comes to making the final move, or are eager to make up for losses after losing money, resulting in a bigger hole. This article will take you beyond the limitations of K-line charts, analyze the subconscious traps that cause you to lose money from the perspective of money management and behavioral finance, and provide scientific response rules.
1. Kelly’s Formula: Using Mathematics to Fight Greed and Fear
In trading, position management is more important than direction judgment. A common mistake many novices make is to increase their positions using the "inverted pyramid" - they start with a small trial position and then double their bets in an attempt to spread the cost once they lose, which often leads to disastrous consequences. In order to solve this problem, the financial mathematics community proposed the famous "Kelly Criterion". The core idea is to calculate the optimal betting ratio based on your winning rate and profit-loss ratio to maximize the compound interest growth of your account. For the average retail trader, a simplified iron rule is:The risk exposure of a single transaction should never exceed 2% of the total funds.
Let us understand through an example. Assume that the total funds in your account are US$10,000, and you plan to stop the loss when gold falls below US$2,350. The current gold price is US$2,370, and the stop loss space is US$20 (20 points). By calculating (2% of total account amount ÷ value of fluctuation per point), you can get that the number of lots you should open is approximately 0.5 lots. This means that even if the trade is stopped, your account will only withdraw $200, which is completely within your tolerance. existWMAXWith the help of the trading calculator, you can easily complete this calculation, avoid heavy position operations caused by emotions, and ensure that you have sufficient error tolerance in this zero-sum game.
2. Anchoring effect and disposition effect: Why do we always like to take orders?
Behavioral finance tells us that the human brain has two major problems when dealing with money: anchoring effect and disposition effect. The anchoring effect allows you to subconsciously regard the purchase price as the "anchor point" after buying. As long as the price does not return to this point, you will feel that you have not lost, which will lead to "carrying" without stopping the loss. The disposal effect is the opposite. It makes you eager to close your position when you make a slight profit, for fear that the cooked duck will fly away, leading to a vicious cycle of "making small money and losing big money". These two psychological mechanisms are invisible black holes that swallow up account funds.
To break this curse, you need to establish a mechanized execution system. First of all, accept the "sunk cost". The buying price is just a historical data and has nothing to do with future trends. The stop loss must be set based on the market structure rather than your cost price. Secondly, learn to let profits run and use trailing stop instead of fixed take-profit. existWMAXOn the platform, you can preset the trailing stop loss parameters. When the price moves a certain number of points in a favorable direction, the stop loss position will automatically move upward. This not only locks in part of the profit, but also gives the market room for development, effectively overcoming the short-sighted impulse of "taking it easy" in human nature.
3. Trading log: from trading based on feelings to data-driven
If you ask a losing trader: "Why did you enter the market at this point?" he may reply: "It feels like it's going up." This kind of vague intuition is a taboo in trading. The dividing line between professional traders and amateur players is whether they insist on keeping a trading journal (Trade Journal). The trading log is not only a record of profits and losses, but more importantly, a record of your decision-making logic at the time: Why did you enter the market at this time? Which moving average is based on the breakthrough? What important data was included in the economic calendar at that time? Only by recording these, you can look back next week and find that 80% of the losses occurred in the minute before the Fed data was released.
In order to facilitate users to conduct in-depth review analysis,WMAXProvides powerful account reporting capabilities. Users can export detailed transaction history with one click, including full-dimensional data such as position opening and closing time, spread cost, profit and loss, etc. Through this data, you can clearly see in which time period and under which market conditions you are most likely to make mistakes. Maybe you will find that your winning rate at 3 a.m. (tired state) is much lower than that at 3 p.m. (awake state). Using these objective data to correct your behavioral habits can improve your trading curve more immediately than learning any technical indicators.
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4. Revenge Trading: When Emotions Take Over the Steering Wheel
Of all trading psychology myths, "Revenge Trading" is the most destructive. When you have just experienced a painful loss and watch your account balance shrink, a strong sense of anger and frustration will well up in your heart. At this time, the brain will issue an instruction: "Make money back immediately!" So, you ignore the original trading plan, increase the position, and operate frequently in a very short period of time, trying to smooth out the losses in a short period of time. This often leads to a death spiral of "loss-add-loss again".
The best way to defeat retaliatory trading is to establish a "cooling mechanism." When your loss reaches a preset threshold (such as 3%) within an hour, or after you stop losses twice in a row, force yourself to stay away from the computer screen for at least 15 minutes. Go get a cup of coffee, take a few deep breaths, and shut down the pain circuitry in your brain associated with money loss. Remember, the market will always be there and opportunities will never be absent, but once your principal is lost, it is really over. existWMAX, we advocate a rational trading culture and remind every user: In this market full of uncertainty, controlling what you can control (emotions and positions) is more important than predicting what you cannot control (market trends).
Risk warning:
Trading Contracts for Difference (CFDs) carries a high level of risk and may not be suitable for all investors. Due to leverage, small fluctuations in market prices can result in the loss of funds. The content of this article is intended to popularize financial knowledge and does not constitute any investment advice. Before trading, please make sure you fully understand the risks involved and make prudent decisions based on your own financial situation and risk tolerance.