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The hour after the Sydney open (around 22:00–23:00 UK) is quiet, wide-spread and thin. Not a good time to trade for most. But it can be useful for studying.

What can be learned from watching Sydney:
- How the market digests weekend or late-NY news.
- Where AUD and NZD start the day relative to the NY close.
- How thin liquidity looks: spread behaviour, gaps, erratic ticks.
- Patterns in how levels form that later matter in Tokyo or London.

A study routine:
- Watch for 20 minutes without any order ticket open.
- Note the spread on 3–4 pairs.
- Mark the high and low of the first hour.
- Next day, check whether those levels mattered.

It's a way to build market feel without the cost of trading poor conditions.

Is anyone else a Sydney-open observer? Have you found anything useful there?

FXS London Scalper wrote: Wed Oct 21, 2026 2:09 pm The hour after the Sydney open (around 22:00–23:00 UK) is quiet, wide-spread and thin. Not a good time to trade for most. But it can be useful for studying.

What can be learned from watching Sydney:
- How the market digests weekend or late-NY news.
- Where AUD and NZD start the day relative to the NY close.
- How thin liquidity looks: spread behaviour, gaps, erratic ticks.
- Patterns in how levels form that later matter in Tokyo or London.

A study routine:
- Watch for 20 minutes without any order ticket open.
- Note the spread on 3–4 pairs.
- Mark the high and low of the first hour.
- Next day, check whether those levels mattered.

It's a way to build market feel without the cost of trading poor conditions.

Is anyone else a Sydney-open observer? Have you found anything useful there?

Hi FXS London Scalper,

It is highly regarded among professional prop traders and institutional analysts that observing the market when you absolutely shouldn't trade it is one of the best ways to understand underlying market mechanics.

You are definitely not alone in observing the Sydney open. Many traders who use "Smart Money Concepts" (SMC) or focus on market micro-structure study this exact window religiously. The 22:00–23:00 UK window (17:00–18:00 EST) is the true "reset" of the global forex day, and watching it is like looking at the market's raw, unvarnished plumbing.

Here is a deeper dive into exactly what is happening during this hour, why it behaves the way it does, and how you can level up your study routine.

Anatomy of the "Liquidity Vacuum"

The primary reason this hour is so erratic isn't just because Sydney is waking up—it's because New York is going to sleep.

At 22:00 UK time, Wall Street officially closes its trading day. This triggers the institutional rollover. Tier-1 banks and liquidity providers pull their active pricing to clear their books, calculate overnight swap rates, and reset their servers for the new daily candle. With the major liquidity providers temporarily stepped back, the order book becomes hollow. A single medium-sized market order can cause a disproportionately large price spike, simply because there aren't enough resting limit orders to absorb it.

Decoding the First Hour: What to Look For

When you watch the Sydney open, you are essentially watching the market "price in" its initial bias before Tokyo brings the actual volume.

The Sunday Open & News Digestion: This is most critical on Sunday nights. If a major geopolitical event or unexpected central bank comment occurred over the weekend, the Sydney open is where the market scrambles to re-price. Because liquidity is thin, these initial gap-ups or gap-downs are often exaggerated. Watching whether the market immediately tries to "fill the gap" or runs further away from it tells you a lot about underlying institutional sentiment.

AUD and NZD Positioning:

This is the domestic session for the Aussie and the Kiwi. Often, early economic data from these countries drops shortly after the open. Watching how AUD/USD or NZD/USD behaves in the first hour gives you clues about whether local institutions are net buyers or sellers before the European banks take over.

The "Asian Range" Boundary:

The high and low established during this initial, thin period often dictate the "Asian Box." Retail traders will often place their stop-losses just above or below these levels. When London opens hours later, algorithms frequently engineer a false breakout (a "liquidity grab" or "Judas Swing") to trigger those stops before reversing into the true trend of the day.

Expanding Your Study Routine

Your baseline routine is excellent. Here is how you can expand it to extract even more data for your trading journal:

Track the "Spread Multiplier": Don't just note the spread; note the multiplier. If EUR/USD normally has a 0.5 pip spread but widens to 3 pips, that's a 6x multiplier. If GBP/NZD goes from 3 pips to 18 pips, note how cross-pairs become entirely untradeable. This builds a deep respect for spread costs.

Monitor Tick Speed vs. Distance: Watch the actual movement of the candles on a 1-minute chart. Notice how the price might sit perfectly still for 10 seconds, and then instantly teleport 4 pips without trading the prices in between (slippage zones).

Draw the "Sydney Box": Mark the strict high and low of the 22:00–23:00 UK hour.

The Next-Day Audit: At the end of the next day, ask two questions:

Did the London open (08:00 UK) deliberately sweep the high or low of my Sydney Box?

Did the New York open (13:30 UK) respect the levels created during that first hour?

Visualizing the Global Handoff

To fully grasp why Sydney is such a thin market, it helps to see the exact overlap of global financial centers. The widget below maps how liquidity flows as sessions hand off to one another. Notice how the Sydney session stands largely alone until Tokyo fully comes online, whereas London and New York have a massive period of overlap (the most liquid time of day).

Trying to beat machines to the first move after a release by clicking manually is a losing game, and pretending otherwise costs money.

Feeds that deliver the number in machine-readable form let automated systems read it, compare it to consensus and send orders in a tiny fraction of the time a person needs to register the digits. By the time a human eye sees the candle jump, the first leg is done. Anything entered after that is chasing.

The reversals people complain about are partly a product of this. A machine reads a headline and buys, then the details arrive, such as a revision, a sub-component or a qualifier in the text, and the same or other machines flip. Price whips both ways inside seconds. A discretionary trader sees a clean spike and then a rug pull, and blames manipulation. Usually it is just competing programs with different parsing speeds and different rules.

Some argue the answer is a faster feed or a closer server. For a retail account that is mostly a distraction. The edge in that race belongs to those with infrastructure out of reach, and the gap does not close by clicking faster.

What remains for a manual trader is the stuff machines handle poorly: judging whether a move has legs after the dust settles, noticing when the reaction contradicts the data, and being willing to sit out when nothing is clear. Those parts of the event are slower and less exciting, but they are where a person has a chance.

Anyone claiming consistent profits from clicking at the exact release second should be asked how the fills look on the trade statement, not just the screenshots.

Do you still take trades in the first minute after major news, and if so, how do you check that the fills you get match what you saw on screen?

Studying the hour without trading it is a sensible approach. The rollover point is the key: when the large banks close their books, spreads widen and quotes thin out for purely mechanical reasons, not directional ones. A useful exercise for that hour is to note the spread every few minutes for a couple of weeks. It shows how long the wide period lasts on your broker, which varies a lot, and it gives a clear rule for when the session becomes tradeable again rather than guessing from the chart.