Once you understand the concept of a trend, the next major concept is that of support and resistance. You’ll often hear technical analysts talk about the ongoing battle between the bulls and the bears, or the struggle between buyers (demand) and sellers (supply#. This is revealed by the prices a security seldom moves above #resistance) or below (support#.
Figure 1 As you can see in Figure 1, support is the price level through which a stock or market seldom falls #illustrated by the blue arrows#. Resistance, on the other hand, is the price level that a stock or market seldom surpasses #illustrated by the red arrows#. Why Does it Happen? These support and resistance levels are seen as important in terms of market psychology and supply and demand. Support and resistance levels are the levels at which a lot of traders are willing to buy the stock #in the case of a support) or sell it (in the case of resistance). When these trendlines are broken, the supply and demand and the psychology behind the stock’s movements is thought to have shifted, in which case new levels of support and resistance will likely be established. Round Numbers and Support and Resistance One type of universal support and resistance that tends to be seen across a large number of securities is round numbers. Round numbers like 10, 20, 35, 50, 100 and 1,000 tend be im
via Technical Analysis: Support And Resistance | Investopedia.