Understanding Support & Resistance Levels

🟢 Support: The Floor

Where Buyers Step In

The "Cheap" Zone

Support is a price level where a stock historically stops falling. Think of it as a floor. When the price hits this level, buyers (demand) step in, overpowering sellers (supply), causing the price to bounce back up.

• Institutional Interest: Large banks and funds often leave "Buy Orders" at these specific levels.
• Psychology: Investors see the price as "undervalued" at this specific point.

Live Example: Strong Support

KO (Coca-Cola Co) $72.15 ▲

Defensive stocks often have very clear support levels where value investors accumulate shares.

🔴 Resistance: The Ceiling

Where Sellers Take Profit

The "Expensive" Zone

Resistance is a price level where a stock struggles to break through. It acts as a glass ceiling. As the price approaches, traders sell to lock in profits, increasing supply and pushing the price down.

Psychological Numbers

Humans love round numbers. Prices often struggle to cross "Whole Numbers" like $100, $500, or $1,000 because they act as mental barriers.

Live Example: Overhead Resistance

MSFT (Microsoft Corp) $428.50 ▲

Often encounters resistance near All-Time Highs (ATH) as long-term holders finally sell.

🔄 The Flip: Role Reversal

Resistance Becomes Support

The Polarity Change

This is the most powerful concept in trend trading. Once a stock finally smashes through a Resistance ceiling, that ceiling often becomes the new Floor.

• Why it happens: Traders who missed the breakout wait for the price to come back ("retest") to the breakout level to buy.

Live Example: Breakout & Retest

NVDA (NVIDIA Corp) $191.17 ▲

A classic example of "stair-stepping." It breaks a high, then uses that old high as a base for the next leg up.

⚠️ Crucial Reality Check

Beginners often draw thin lines on a chart and panic when price crosses them by a few cents.

• Support is a ZONE: It is an area, not a single penny price.
• The "Fake Out": Market makers often push price slightly below support to trigger "Stop Losses" before reversing back up.

🔗 Trading Strategy Recap

How to trade these levels.

Entry Rules

• Buy near Support (Floor).
• Place Stop Loss slightly below Support.
• Wait for a green candle "bounce" to confirm the level is holding.

Exit Rules

• Sell near Resistance (Ceiling).
• Don't be greedy; sell before it hits the exact top number.

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Educational content only. Prices as of Jan 30, 2026. Not financial advice.