Support and resistance levels are the two most basic and fundamental concepts for a person interested in Technical Analysis.
I am sure Google will explain these concepts to you fairly well in the language of the financial markets.
However, I want to take an unprecedented approach to explain the meaning of these terms.
This will probably help you retain the meaning of these concepts forever, preventing you from getting confused in the future.
In a famous speech in the 1990s, Munger explained his novel approach to gaining practical wisdom:
- Well, the first rule is that you can’t really know anything if you just remember isolated facts and try and bang ’em back. If the facts don’t hang together on a latticework of theory, you don’t have them in a usable form.
- You’ve got to have models in your head. And you’ve got to array your experience both vicarious and direct on this latticework of models. You may have noticed students who just try to remember and pound back what is remembered. Well, they fail in school and in life.You’ve got to hang experience on a latticework of models in your head.
- And the models have to come from multiple disciplines because all the wisdom of the world is not to be found in one little academic department. That’s why peotry professors, by and large, are so unwise in a worldly sense. They don’t have enough models in their heads. So you’ve got to have models across a fair array of disciplines.
So, yes mental models must come from multiple disciplines.
We are going to apply concepts related to economics and product pricing into technical analysis of the stock markets.
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You must have often heard of the terminology “Minimum Support Price (MSP)”.
MSP is a form of market intervention by the Government of India to ensure agricultural producers against any sharp fall in farm prices.
It guarantees them a minimum amount of revenue for their products even when the market prices fall below that level.
We can look at “Support levels” in the index in the same manner. It is that level at which prices take support and do not fall further.
Similarly, Resistance level can be compared with “Maximum Retail Price (MRP)”
MRP is a manufacturer calculated price that is the highest price that can be charged for a product sold in India. It is set in order to protect consumers from being charged exorbitantly on a product.
However, retailers can choose to sell below MRP.
Thus, “Resistance level” is that level above which prices do not rise and bounce back on reaching that level.
Support and resistance often act as decisive trend changers. If either level is breached, be prepared for a dynamic shift in the movement of prices. Another thing to remember is that if support is violated, that same level will act as future resistance and vice versa. Also, don’t forget to view support and resistance levels with volume. An increasing volume is like a validation for that support or resistance level.
Now coming to the question of how to identify these levels in stocks.
The most common and useful method is to draw a line joining all the significant lows and all the significant highs of the past to find the support and resistance level respectively.
The following is a screenshot of daily chart of Sun Pharmaceuticals Industries Ltd. where the blue line serving as a support level, later transformed its identity and started behaving as a resistance level.
The corollary to the above is that any concept can be better understood and retained if we use other already known concepts to understand the new ones.
Support and resistance levels are the basic elements which need to be applied before any other to understand the trend/movement of a particular stock.
It comes before moving averages, Bollinger bands, ADX and all other technical indicators.
Take Care and Keep learning!!