What you will learn
- Understand where the weekly opening gap comes from
- Weigh the risk of holding a position over the weekend
- Tell a weekend move from a normal signal
- Account for weekends when marking up levels
IdeaWhy are weekends dangerous?
Many markets — forex, stocks, indices — close for the weekend. Big players and banks are off, and liquidity falls toward the end of the week.
By Monday's open, price often starts not where it closed on Friday — a gap forms. It's dangerous because it jumps over your stop: there's no market between close and open, and the order fills at the new price.
Crypto is the exception. It trades 24/7, with no separate weekend gap. But volume on weekends is still below normal, and price is easier to move.
AnatomyBreak the thin market down by points
Tap each marker to understand the weekend risks. Open all three — and the step counts.
- Thin market
- Week's edge: banks and funds wind down activity — few participants and orders.
- Thin liquidity
- Few orders in the book — price jerks more sharply than usual.
- Gap
- A price gap at the week's open: the market starts above or below the close.
This is an exercise from the lesson. You can run it on a live chart in the terminal, where progress is recorded.
Try it on the chartSee it liveThis is how it looks on the chart
Two dots mark a gap over the weekend: Friday's close price and a different Monday open price (between them the market is closed — no candles). The gray zone is the thin market at the week's edge, where orders are scarce and price is easy to move.
PracticeWhat is a thin market about?
On weekends liquidity is thin, orders are few. How does that affect the risk of sharp moves?
This is an exercise from the lesson. You can run it on a live chart in the terminal, where progress is recorded.
Try it on the chartPracticeWeekend rules
Put the actions in order — click them one by one.
- Reduce size or close the position before the weekend
- Remember: a gap can jump over your stop
- Wait for the week's open and trade the reaction
This is an exercise from the lesson. You can run it on a live chart in the terminal, where progress is recorded.
Try it on the chartRecapCheck off what you've learned
- I understand why liquidity is thin on weekends
- I know: gaps happen on markets that close (not on 24/7 crypto)
- I remember: a gap jumps over the stop
- Rule: reduce size or close the position before the weekend
This is an exercise from the lesson. You can run it on a live chart in the terminal, where progress is recorded.
Try it on the chartWhere a gap comes from
Exchange instruments do not trade over the weekend, but events still happen. Everything that occurred over two days is priced in with a single move at the open: price starts somewhere other than where it closed. That is a gap.
The size of a gap reflects not the strength of a move but the volume of accumulated information. So it cannot be judged like an ordinary candle: it is not the result of trading but a one-off repricing.
The common claim that "gaps always fill" is only partly true. Small gaps often do fill in the first days of the week, because some participants consider the pre-gap level fair. Large gaps on important news can stay open for months, and waiting for them to fill is an expensive habit.
Round-the-clock markets: a different problem
Crypto trades all seven days, so gaps are rare — but liquidity is thin. Institutional participants do not work weekends and the order book empties noticeably.
The consequence is the same as during overnight hours, only stronger: a small amount of volume moves price a long way. A level broken on Sunday evening and the same level broken on Tuesday afternoon are two events of different reliability, though they look identical on the chart.
Hence the practice of excluding weekend moves from level markup altogether. An extreme printed in a thin market rarely holds once participants come back.
Holding a position over the weekend
The main risk of holding is not that price goes against you but that it does so in a jump, past your stop. On a gap the stop fills at the first available price rather than the one you set.
Two practical consequences follow. First, it is sensible to reduce the size of a position carried over the weekend — risk is measured by the possible gap, not by the distance to the stop. Second, check the calendar beforehand: known Monday events sharply raise the chance of a large gap.
A separate note on Friday: the last hours of the week resemble the weekend more than ordinary trading. Participants close positions, moves become technical and often do not continue.
How this is applied
First, mark weekend zones on the chart so you do not build levels from them. Extremes from a thin market do not count as pivots.
Second, do not treat a weekend move as confirmation of an idea. If a scenario played out on Saturday, it is sensible to wait for Monday.
Third, treat a gap as a separate phenomenon rather than as a candle. It tells you nothing about the strength of buyers: it tells you that two days' worth of news added up to that much.
Frequently asked questions
- Why does price behave oddly at weekends?
- Thin liquidity: large participants are away, the order book is sparse, and a small amount of volume moves price a long way. The move looks strong but has few participants behind it.
- Do gaps always get filled?
- Small ones often do, in the first days of the week. Large ones caused by significant news can stay open for months. The rule that a gap always fills is not true.
- Is it risky to hold a position over the weekend?
- Riskier than usual: on a gap the stop fills at the first available price rather than the one you set. That is why the size of a carried position is usually reduced.
- Should weekends be excluded from markup?
- Yes. Extremes printed in a thin market rarely hold once participants return, so levels are generally not built from them.
Other lessons in this track
- VolumeHow to read trading volume and use it to confirm price moves.
- EMAMoving averages 20/50/100/200 as trend support and resistance.
- RSIOverbought, oversold, and divergences.
- MACDMomentum and trend change from the histogram and lines.
- Structural MarkupRemove the noise and see the key peaks and troughs.
- FractalsLocal extremes by Bill Williams.
- Trading sessionsAsia · London · New York and their character.
Terms covered
This material is educational and is not individual investment advice.