What do teachers often say about left/right side trading?

In a nutshell

Left side trading involves bottom fishing and top picking, which is difficult in judging tops and bottoms.

Right side trading involves chasing highs and cutting losses, which is difficult in judging trends.

For example, as shown in the image, taking the current Bitcoin market as an example:

(1) Looking at the daily candlestick chart, the current price is right near the downtrend line.

(2) This position allows for both long and short trades around the trend line, which can confirm the two different perspectives of the left and right sides.

(3) A right side breakout to go long implies that this rebound will extend into a larger uptrend.

[Not eating the fish head and fish tail, only eating the fish body], represents the right side thinking.

(4) A left side breakout to go short implies that this rebound will end here, resistance is effective, it's a phase top, short TMD.

[Trying to eat the fish head and attempting to run at the fish tail] represents the left side thinking.

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There is another situation:

(1) A right side breakout on the daily chart to chase long, when viewed on an hourly basis, may actually be left side because at this time, the hourly market might suggest a pullback in your system.

(2) Predicting and acting on this pullback, in the context of the hourly mindset, is left side trading.

Thus, we need to establish at least one premise for determining the styles of left and right side trading: to clarify our entry point timeframe and not be influenced by the noise of different timeframes.

The most direct solution concerning left and right side trading and different timeframes can be summarized in two phrases:

"Only when both large and small timeframes rise and fall together is it the best right side entry point."

"When the small timeframe goes against the large timeframe, the left side is the best cost-performance ratio."