Forex

Trading session

In one sentence

The hours when a regional market is open - Sydney, Tokyo, London and New York - which determine when a given pair is liquid and cheap to trade.

Forex trades around the clock, but not evenly. The London and New York overlap carries the deepest liquidity and the tightest spreads on majors; the hours after the New York close are thin, and spreads reflect it.

Instruments have their natural session: yen pairs move in Tokyo, the euro and pound in London, indices and gold around the New York open.

The mistake it causes: running a scalping strategy in dead hours, where the spread alone is larger than the target.

The clock that sets your costs

SessionHours (UTC)Best for
Sydney21:00 to 06:00AUD, NZD
Tokyo00:00 to 09:00JPY pairs
London07:00 to 16:00EUR, GBP, CHF
New York12:00 to 21:00USD, indices, gold

The London and New York overlap, roughly 12:00 to 16:00 UTC, carries the deepest liquidity and the tightest spreads on majors. It is also where most of the day's range is typically made.

Why the hours matter more than the strategy

Forex trades around the clock but not evenly. The same pair can cost 0.2 pips to trade at 14:00 and 2 pips at 23:00. For a swing trader holding for days, that difference is noise. For anyone targeting small moves, it is the difference between a viable strategy and an unviable one.

Rollover is the worst hour of the day

Around 21:00 to 23:00 UTC, when New York closes before Asia opens properly, liquidity thins and spreads widen sharply. It is also when swap is charged. Holding a tight stop through that window is asking to be taken out by the quote rather than by the market.

Crypto has sessions too

It trades 24/7, but volume still follows the same regional pattern, with weekends noticeably thinner. Thin weekend books are why large liquidation cascades so often happen on a Saturday night.

What to do with this

  • Trade an instrument during its own session while you are learning.
  • Avoid placing tight stops that sit through rollover.
  • If you can only trade at a fixed time, pick instruments that are liquid at that time rather than forcing the ones that are not.

Related terms

Liquidity How much can be bought or sold without moving the price - the practical measure of whether you can get in and out at the price you see. Spread The gap between the price you can buy at (ask) and the price you can sell at (bid) - the first cost you pay on every trade, before any commission. Volatility How much and how fast price moves - the measure that should set your stop distance, your position size, and whether a strategy fits an instrument at all.

This term is explained in context in the primer - and the costs are measured in our forex broker reviews .

More in Forex: Pip, Lot, Currency pair, ECN and raw spread accounts.

Education only, not financial advice. Trading is high risk and most retail accounts lose money.