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Gaps
Gaps occur because
- Good / bad earning announcements that are different to market expectations
- News / Geopolitical events
- Overall market sentiment
- Order imbalances - big buy/sell orders
- Rumours - company partering with another company, leaked info
Types of gaps

Common gaps
- Appears in a weak or calm market
- No reason or catlyst to the gap
- Often filled quickly

Breakaway gaps
- Price suddenly breaks a a well defined structure (support or resistance)
- Usually confirms a breakout
- Usually comes from news or big events
- Happen at the end of a consolidation pattern or range & usually mark a new trend
- Usually follows with a significant increase in volume
- Do not fill quickly
- Usually cause by:
- Earning reports (Exceed or fails to meet expectations)
- Regulatory changes
- Market sentiment
- Geo-political events
Runaway gaps (continuation / measuring gaps)
- Appears when the market is gaining or falling qucikly
- Signals buyers or sellers dominant
- High probability of continuation
- Usually not filled