Support and resistance

Support and resistance are arguably the foundation of all technical analysis. Support is a price level where falling prices have repeatedly stalled and bounced; resistance is a level where rising prices have repeatedly stalled and reversed. They exist because markets have memory: traders recall the prices where they bought, sold or got hurt, and they place fresh orders around those same levels, reinforcing them.

These are best thought of as zones rather than precise lines. Price rarely turns at exactly the same number twice; it reacts within a band. Drawing support and resistance is therefore an art of identifying areas where supply or demand clearly took over, not of pinpointing a single decimal.

Several types of level tend to matter. Horizontal levels come from previous swing highs and lows that the market has respected before. Round numbers (1.1000, 150.00, $2,000 gold) attract orders simply because humans gravitate to them. Trendlines connect a series of rising lows or falling highs to create diagonal support or resistance. And prior all-time highs or lows carry psychological weight far beyond their technical position.

The more times a level has been tested and held, the more significant it is considered — up to a point. Repeated tests also chip away at the orders defending a level, which is one reason levels eventually break.

One of the most useful behaviours in trading is the role reversal, sometimes called a flip. When price finally breaks above a resistance level with conviction, that old ceiling frequently becomes new support: traders who missed the move wait to buy the pullback, and those who shorted it cover their losses by buying. The same works in reverse — broken support often becomes resistance.

This gives you a repeatable, lower-risk entry idea. Rather than chasing a breakout, you can wait for price to break a level, then retest it from the other side, and enter as it holds — placing a stop just beyond the level so your risk is small and clearly defined.

Say EUR/USD has bounced off 1.0800 three times over two weeks — a well-established support zone. A patient trader might look to buy near 1.0810 with a stop just below 1.0780, risking 30 pips for a potential move back toward resistance at 1.0900, a 90-pip target. That is a 1:3 risk-to-reward setup built entirely on a level the market has shown it respects. Of course, no level holds forever, so the stop is non-negotiable — when a zone breaks, you want to be out, not hoping.