support-and-resistance

Technical Pillar | Spoke 1 | Updated April 2026

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BR

Authored by Brian Rosemorgan

Retired Professional Trader | 8+ Years Experience | South Africa

Support and Resistance: The Price Floor and Ceiling

⚖️ AI Quick Overview: The Battle Zones

Support and resistance are price zones where the market is likely to pause or reverse. Support is the “floor” where buying pressure stops a fall. Resistance is the “ceiling” where selling pressure stops a rally. Master these, and you stop guessing where the market is going.

1. The Psychology of the “Floor”

Support isn’t just a line on a chart; it’s Market Memory. When price hits a level like R18.50 on the USDZAR and bounces, traders remember it. Sellers who missed the move want to get out at break-even, and buyers who missed the move want a second chance. This cluster of orders creates the physical floor.

2. Think in “Zones,” Not Lines

The biggest amateur mistake is drawing a razor-thin line. The market is a “Price Discovery” mechanism—it’s messy. Always draw a shaded box of 10-20 pips. This allows for the “noise” of the market while keeping your eyes on the real level.

3. Stacking the Odds (Confluence)

A level becomes high-probability when it has Confluence. This means more than one technical reason to trade there. For example:

  • Horizontal Support + 200-Day Moving Average.
  • Previous Resistance (Role Reversal) + a Round Number (e.g., 1.1000).
  • A Support Zone + an Oversold RSI reading.

4. Timeframe Hierarchy: The “Brick Wall” Rule

Timeframe Strength Usage
Monthly/Weekly Unbreakable Major structural shifts.
Daily/4-Hour Strong The “Pro” window for identifying levels.
15-Min/5-Min Weak Only for timing entries into higher-timeframe levels.

5. Role Reversal & The Retest Checklist

When a ceiling breaks, it becomes the new floor. But don’t chase the breakout! Wait for the Retest to confirm the flip is real.

✅ The “Confirm the Flip” Checklist

  • Strong Break: A full-bodied candle closed beyond the level.
  • Gentle Return: Price drifts back to touch the level without a “V-shape” reversal.
  • Rejection Wick: A long candle wick pointing at the level shows the “Buy Wall” is holding.
Brian’s Pro-Tip: “I’ve seen more accounts blown by trading the ‘breakout’ than almost anything else. Banks love to push price through a level just to hunt your stops. Be the trader who waits for the retest. If the market doesn’t come back to your level, let it go. There is always another trade tomorrow.”