Trading with high and low prices involves using these key levels to make informed trading decisions. Here's a brief guide on how to utilize them effectively:

1. Identify Key Levels: Determine the high and low points of a stock or asset over a specific period, such as daily, weekly, or monthly. These levels act as resistance (high) and support (low).

2. Trend Analysis: Assess the overall trend of the market or the asset. If the trend is upward, focus on buying near the support levels (lows). Conversely, in a downward trend, look to sell near resistance levels (highs).

3. Breakouts and Breakdowns: Monitor for breakouts above resistance or breakdowns below support. A breakout can indicate a strong bullish sentiment, while a breakdown suggests bearish momentum. Trade in the direction of the breakout or breakdown.

4. Confirmation: Use technical indicators like moving averages, RSI (Relative Strength Index), and volume to confirm the strength of the move. This helps in avoiding false breakouts or breakdowns.

5. Risk Management: Set stop-loss orders slightly below support levels when buying, or above resistance levels when selling. This limits potential losses if the market moves against your position.

6. Patience and Discipline: Wait for the price to approach key levels before making a move. Avoid impulsive trades and stick to your strategy.

By carefully analyzing high and low points and integrating them into a broader trading strategy, traders can make more informed decisions and improve their chances of success.