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Support Becomes Resistance: Role Reversal

One of the most powerful concepts in technical analysis is role reversal, also known as polarity. When a support level breaks, it often becomes resistance. When resistance breaks, it often becomes support. Understanding this phenomenon can dramatically improve your trade entries and timing.

Understanding Role Reversal

Role reversal occurs because of market psychology and trapped traders. When support breaks, buyers who purchased at that level are now underwater. Many will look to exit at breakeven if price returns, creating selling pressure. This former buying zone becomes a selling zone.

Key principle: Role reversal works because of human psychology. Trapped traders create pressure at old levels, turning support into resistance and resistance into support.

Why Support Becomes Resistance

When support breaks down, several market dynamics come into play:

Trapped Buyers

Traders who bought at support are now holding losing positions. If price rallies back to their entry, many will sell to exit at breakeven rather than risk further losses.

Failed Bulls Turn Bearish

Traders who were bullish at support may now turn bearish after the level fails. They become sellers on any rally back to the broken level.

Short Sellers Enter

Technical traders recognize the broken support and look to short when price retests it from below. This adds selling pressure at the former support level.

Support to Resistance Example

TSLA has strong support at $200 that held three times over two months.

On the fourth test, price breaks below $200 with heavy volume, dropping to $180.

Price rallies back toward $200 over the following week.

At $198-200, selling pressure emerges and price reverses back down.

The old $200 support is now acting as resistance.

Why Resistance Becomes Support

The opposite dynamic occurs when resistance breaks up:

Trapped Shorts

Traders who shorted at resistance are now underwater. If price pulls back, they may cover their shorts to limit losses, creating buying pressure.

Failed Bears Turn Bullish

Those who were bearish may now flip bullish after resistance breaks. They become buyers on any pullback to the broken level.

New Buyers Enter

Technical traders who missed the breakout see pullbacks to former resistance as buying opportunities. This adds demand at the new support level.

Resistance to Support Example

AMZN has resistance at $150 that rejected price twice.

On the third attempt, price breaks above $150 with strong momentum, reaching $165.

Price pulls back and tests the $150 area from above.

Buyers step in at $150-152 and price bounces higher.

The old $150 resistance is now acting as support.

Trading the Role Reversal

The Retest Entry

The classic role reversal trade involves waiting for the retest:

Entry Techniques

There are several ways to enter role reversal trades:

Confirming Role Reversal

Not every broken level will reverse roles. Look for these confirmation signals:

Volume Confirmation

Candlestick Patterns

Multiple Timeframe Analysis

Pro tip: The best role reversal setups occur when the initial breakout is strong and decisive. Weak breakouts often lead to failed role reversals.

Common Role Reversal Patterns

Break and Retest

The most common pattern. Price breaks a level, pulls back to test it, then continues in the breakout direction.

Triple Test Breakout

A level holds two or three times as support/resistance, breaks on the next test, then becomes the opposite. These are high-probability setups because the level is well-established.

Range Breakout

When price breaks out of a trading range, the range boundary often becomes the opposite. Range highs become support on upside breakouts, range lows become resistance on downside breakouts.

Stop Loss and Risk Management

Proper stop placement is crucial for role reversal trades:

The benefit of role reversal trades is that they offer clear invalidation points. If the level fails to hold in its new role, the trade thesis is wrong.

When Role Reversal Fails

Role reversal does not always work. Watch for these warning signs:

Advanced Applications

Moving Average Role Reversal

Dynamic levels like the 50 or 200-day moving average also exhibit role reversal. When price breaks below a moving average, it often acts as resistance on rallies. When price breaks above, it often supports pullbacks.

Trendline Role Reversal

Trendlines can also reverse roles. A broken uptrend line may act as resistance. A broken downtrend line may act as support.

Fibonacci Role Reversal

Fibonacci retracement levels that act as support or resistance can flip roles after being broken, adding another tool for identifying potential reversal zones.

Track Your Role Reversal Trades

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Summary

Role reversal is a fundamental concept where broken support becomes resistance and broken resistance becomes support. This phenomenon occurs due to trapped traders and shifting market psychology. Trade role reversals by waiting for clean breaks, then entering on the retest with confirmation. Use volume analysis and candlestick patterns to confirm the reversal. Place stops beyond the level for clear risk management. Remember that role reversal works best when the initial breakout is strong and in line with the larger trend.

Learn more: support and resistance basics and supply and demand zones.