To know the market trend in trading, you can follow the following steps that depend on analyzing data and applying different strategies:

1. Technical analysis:

- Chart: Use charts to identify historical price patterns.

- Technical indicators: such as moving averages, the relative strength index (RSI), and the MACD.

- Price patterns: such as head and shoulders, flags, and triangles.

2. Fundamental analysis:

- Economic news: Follow global and local economic news that may affect the market.

- Financial reports: Analyze companies' financial reports such as profits and losses.

- Economic factors: such as interest rates, inflation rates, and unemployment rates.

3. Quantitative analysis:

- Mathematical models: Using mathematical and statistical models to analyze historical data and predict future trends.

- Algorithms: Apply high-frequency trading algorithms to analyze trends and patterns.

4. Market sentiment:

- Psychological indicators: such as the Fear and Greed Index, which measures investor sentiment.

- Social media analysis: Monitoring discussions on social media platforms and financial sites to identify prevailing trends.

5. Paper trading:

- Training: Practice trading on a demo (paper) account to apply different strategies without risking real capital.

6. Trading Strategies:

- Determine the general trend: Check the general trend of the market (upward, downward, or stable).

- Determine entry and exit points: Use technical indicators and price patterns to determine the best entry and exit points.

Remember that success in trading requires continuous learning and adapting to market changes. There is no 100% surefire way to know where the market is headed, so it is important to manage your risk wisely.