Traders see the same chart differently in forex trading because everyone has their own unique perspective, experience, and set of beliefs. The way a trader views a chart is shaped by factors such as their trading style, risk tolerance, past experiences, and even their psychological biases.

Trading Style: Traders may use different methods and techniques to analyze the market, and this can greatly affect the way they view a chart. Some traders may prefer technical analysis and use chart patterns, indicators, and other technical tools to make their trading decisions. Others may rely more on fundamental analysis, which involves considering economic data and news events.

Risk Tolerance: A trader's risk tolerance can also impact the way they see a chart. For example, a trader with a high-risk tolerance may be more willing to take bold positions and trade aggressively, while a trader with a low risk tolerance may be more cautious and conservative in their approach.

Past Experiences: A trader's past experiences can also shape their perspective. For example, a trader who has had success with a particular trading strategy may be more likely to see the chart in a way that supports their approach, while a trader who has had a string of losses may be more cautious and skeptical.

Psychological Biases: Psychological biases are a natural part of human decision-making, and traders are not immune to them. For example, confirmation bias is the tendency to search for and interpret information in a way that confirms one's existing beliefs. Anchoring bias is the tendency to rely too heavily on the first piece of information that becomes available. Both of these biases can affect the way a trader sees a chart and can lead to faulty decision-making.

Market Conditions and Economic Outlook: Traders may have different opinions about the direction of the economy and market conditions, and this can affect the way they view a chart. For example, a trader who is bullish on the economy may see a bullish chart pattern as a sign of a strong market, while a trader who is bearish may view the same pattern as a warning sign of a potential downturn.

In conclusion, these are some of the factors that contribute to why traders see the same chart differently in forex trading. It's important for traders to understand their own biases and to remain disciplined in their approach to trading to minimize the impact of emotions and psychological biases on their decision-making.