Must the gap be filled? Three exceptions must be vigilant!

In crypto trading, "filling the gap" occurs when price returns to a level skipped during rapid movement, though not all gaps get filled due to strong momentum or market shifts.

Jun 15, 2025 at 09:22 pm

What Does "Filling the Gap" Mean in Cryptocurrency Trading?

In cryptocurrency trading, "filling the gap" refers to the price returning to a level that was skipped during a rapid price movement. Gaps often occur due to sudden market reactions, such as news events or major exchange outages. When the price retraces to the area of the gap, it is said to have filled it. Many traders believe that gaps tend to get filled over time, but this is not always the case in the highly volatile crypto market.

Understanding how and why gaps form helps traders anticipate future price action. For instance, a gap-up occurs when the opening price is significantly higher than the previous day’s closing price, while a gap-down happens when the opening price is much lower.

Why Some Gaps Never Get Filled

Despite the general belief that gaps are eventually filled, there are exceptions. In fast-moving markets like cryptocurrencies, certain conditions may prevent gaps from being filled:

• Strong momentum: If a coin experiences strong buying or selling pressure, the price may continue moving without revisiting the gap zone.
• Structural changes: Events like halvings or protocol upgrades can cause irreversible shifts in price behavior.
• Market sentiment shifts: Sudden changes in investor perception can make old price levels irrelevant.

These factors contribute to scenarios where gaps remain unfilled, challenging traditional technical analysis assumptions.

Exception 1: Breakaway Gaps and Their Significance

A breakaway gap marks the beginning of a new trend. It typically appears at key support or resistance levels and signals a strong shift in market direction. Unlike common gaps, breakaway gaps are rarely filled because they represent a breakout rather than a temporary imbalance.

Identifying a breakaway gap involves analyzing volume and price patterns. A surge in volume accompanying the gap confirms its validity. Traders should look for:

• A clear departure from a consolidation pattern
• Increased trading volume on the gap day
• Confirmation through subsequent candlestick formations

Once confirmed, these gaps serve as reliable indicators of future price direction, making them one of the three critical exceptions where filling is unlikely.

Exception 2: Runaway (Measuring) Gaps and Continuation Patterns

Runaway gaps, also known as measuring gaps, appear mid-trend and indicate sustained momentum. These gaps reflect continued buying or selling pressure and often act as halfway points in a larger move.

Traders use runaway gaps to estimate the potential length of a trend. The distance between the start of the trend and the runaway gap is mirrored after the gap to project the target price.

Key characteristics include:

• Occurrence within an established trend
• High volume confirming the continuation
• Lack of nearby support or resistance zones

Since these gaps reflect ongoing strength or weakness, they rarely get filled unless there's a significant reversal.

Exception 3: Exhaustion Gaps and Trend Reversals

An exhaustion gap forms near the end of a trend and signals a final push before a reversal. Unlike breakaway or runaway gaps, exhaustion gaps are often followed by a sharp reversal, which might lead some to believe the gap will be filled quickly.

To distinguish an exhaustion gap from a runaway gap:

• Look for unusually high volume followed by a swift reversal
• Observe extreme price spikes with long wicks
• Check for divergence in technical indicators like RSI or MACD

While exhaustion gaps may get partially filled, they do not always fully retrace, especially if the reversal is strong and sustained.

How to Trade Around Gaps Without Expecting Them to Fill

Given that not all gaps get filled, traders must adapt their strategies accordingly. Here’s how to approach gap trading effectively:

• Classify the type of gap: Determine whether it's a breakaway, runaway, or exhaustion gap using volume and chart context.
• Avoid automatic assumption of fill: Do not base trades solely on the expectation that the gap will close.
• Use confluence with other indicators: Combine gap analysis with support/resistance, moving averages, and volume profiles.
• Set realistic stop-loss and take-profit levels: Base your risk management on actual market structure, not historical norms.

By understanding the nature of each gap and adjusting expectations, traders can avoid costly misjudgments.

Frequently Asked Questions

Q: Can gaps in cryptocurrency be used for arbitrage opportunities?

A: While gaps can create short-term arbitrage across exchanges, they are not directly tied to the concept of filling gaps in price charts. Arbitrage relies on price discrepancies between platforms rather than retracing movements.

Q: How do overnight gaps affect crypto positions held long-term?

A: Overnight gaps can significantly impact open positions, especially in leveraged trades. Long-term investors may experience volatility but are less concerned with short-term price skips.

Q: Is it possible for multiple gaps to appear consecutively without any being filled?

A: Yes, especially during periods of intense market activity or panic. Consecutive gaps often occur during major news cycles or regulatory announcements.

Q: Do gaps behave differently on various timeframes in crypto charts?

A: Absolutely. Shorter timeframes like 1-hour or 4-hour charts see more frequent but less meaningful gaps. Daily and weekly charts offer more reliable gap signals aligned with broader market trends.