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What is liquidity in Forex and how is it measured

What is liquidity in Forex and how is it measured

BY | Updated November 06, 2026

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RADEX MARKETS Editorial Team

The RADEX MARKETS editorial team consists of seasoned financial professionals and market observers. Dedicated to delivering objective market summaries, macroeconomic insights, and educational content, the team strives to keep traders well-informed in a fast-paced financial environment.

AZIONI

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Content

Description: Please write a meta description of 150 to 160 characters. Please include the main keyword what is liquidity in trading or liquidity in forex once near the start, and say that the article explains what forex liquidity is, how to measure it and how it changes your trading costs. Please use no exclamation mark and no phrases such as learn more. The same instruction is in the SEO settings Description field of this row.

References:

  • BIS, Triennial Central Bank Survey of foreign exchange and OTC derivatives markets 2025: https://www.bis.org/statistics/rpfx25_fx.htm
  • InvestingCube, Liquidity in Trading: Definition, Impact & How to Spot It: https://www.investingcube.com/learn-to-trade/liquidity-in-trading-definition-impact-how-to-spot-it/
  • B2Broker, Why Does Forex Liquidity Matter and How Do You Measure It: https://b2broker.com/news/why-does-forex-liquidity-matter-and-how-do-you-measure-it/
  • Mind Math Money, What is Liquidity in Trading? A Complete Guide for Beginners: https://www.mindmathmoney.com/articles/what-is-liquidity-in-trading-a-complete-guide-for-beginners
  • VT Markets, What is Liquidity in Trading: https://www.vtmarkets.com/discover/what-is-liquidity-in-trading/

Main Keyword: what is liquidity in trading

Secondary: what is liquidity in forex, liquidity in forex, fx liquidity, forex market liquidity, factors affecting forex market liquidity, how to measure liquidity in forex

Global Notes: Please write in British English for UK retail forex traders and address the reader as "you". This is a revamp of a live, ranking page: please keep the H1 and every H2 anchor id exactly as they are now (liquidity, volatility, types, why, affect, cause, measure, spot, use, FAQ, conclusion), and reuse sentences from the current live version wherever they are still accurate. Please use the main keyword what is liquidity in trading in the opening, the Quick Response and the conclusion, and let the variants fx liquidity and forex market liquidity each appear naturally at least once in the body. Please write session times in UK time and money figures in US dollars for EUR/USD examples. Please carry every example through to the final figure in pips, lot size and money. Please mark every spread, slippage or depth figure as an illustrative assumption to be confirmed by the brand unless you can cite a source you have opened. Please keep company balance-sheet liquidity (current ratio, quick ratio) out of the article except for one sentence that says it is a different topic. Please write in the third person with no first-person trading experience, and use tables and words only, because the article carries no chart images. Please keep liquidity sweep, liquidity zones and buy side liquidity to one or two sentences each with an inline link, because our dedicated guides cover them.

Internal review (writer need not read): Revamp, Claude track, write row 5ed39062 (New Version, status 1); the live Active row 6f454284 is not touched until go-live on 2026-11-18 18:00. The title is a ranking asset (UK position 7.0) and stays unchanged. GSC: factors affecting forex market liquidity has impressions at position 3.5 with zero clicks, so the #affect section opens with a 40 to 50 word answer block; fx liquidity sits around position 21, so the variant is woven into the body. B2B liquidity provider intent is routed to the liquidity provider guide with one inline link.

Introduction

Note

1. Please open in 3 to 4 lines with the reader's problem rather than a definition: a trader places the same EUR/USD order at two different times of day and pays a wider spread and a worse fill the second time, without knowing why.

2. Please then say what this article delivers: what liquidity in trading means in forex, how it differs from volatility, what changes it during the day, how to measure it on your own platform and how to adjust your trading to it.

Quick Response

Note

1. Please answer in 2 to 3 sentences that can stand on their own (40 to 50 words): liquidity in trading is how quickly and cheaply you can buy or sell close to the current price; in forex, high liquidity shows up as tight spreads, deep order books and little slippage.

2. Please add one sentence that forex is the most liquid financial market, citing the daily turnover figure from the BIS 2025 Triennial Survey after you have opened it.

3. Please place [BUTTON] at the end of this section. It is the only button in the article.

What Is Liquidity in Forex?

Note

1. Please open with a definition sentence in the form "Liquidity in forex is…", then explain in 2 to 3 sentences who provides it (banks, institutions, market makers and the orders of other traders) and why a liquid market lets large orders fill without moving the price much.

2. Please add one sentence that company liquidity ratios used in accounting are a different topic and are not covered here.

3. Please include the phrase fx liquidity naturally in this section and end with a concluding sentence.

Liquidity vs Volatility

Note

1. Please open with 1 to 2 sentences that liquidity is about how easily you can trade, while volatility is about how far price moves, and that the two often move in opposite directions but not always.

2. Please present the table below with one lead-in sentence and fill each cell with a short forex situation. Please keep the two existing outbound links to the SNB 2015 and RBA 2019 yen flash event pages for the low-liquidity, high-volatility case.

Low volatilityHigh volatility
High liquidity
Low liquidity

3. Please end with one sentence on which combination is most dangerous for stop-loss orders and why.

Types of Liquidity in Forex

Note

1. Please open with a 40 to 50 word answer block: forex liquidity is usually described as high or low, and it depends mainly on the currency pair and the trading session.

High Liquidity

Note

1. Please describe in 2 to 4 sentences what high liquidity looks like on the platform and give 3 to 4 bullet points of its effects for the trader.

Low Liquidity

Note

1. Please describe in 2 to 4 sentences what low liquidity looks like and when it usually happens, then give 3 to 4 bullet points of its effects.

High Liquidity vs Low Liquidity in Forex

Note

1. Please keep the comparison table from the live version and add one row for typical currency pairs, filled as in the table below. Please mark the spread ranges as illustrative assumptions to be confirmed by the brand.

Pair groupExamplesTypical spread range (illustrative)Most liquid session (UK time)
Major pairs
Cross pairs
Exotic pairs

Why Liquidity in Forex Matters

Note

1. Please open with a 40 to 50 word answer block: liquidity decides how much each trade costs you through the spread and slippage, how reliably your stop and limit orders fill, and how much price can jump on news.

How Liquidity Affects Forex Trading

Note

1. Please work through one cost example to the final figure: the same 1 standard lot EUR/USD trade (about $10 per pip) opened during the London and New York overlap and again in the late Asian session or at the Monday open. Please show the spread in pips and in dollars for each case, then add a 2 pip slippage on the stop in the thin market and show the total cost difference in dollars. Please state that all figures are illustrative assumptions.

2. Please follow with 3 to 4 bullet points on what else changes (order fills, stop-loss gaps, false breakouts), with one inline link to our slippage guide and one to our spread guide.

3. Please end with a concluding sentence.

7 Factors Affecting Forex Market Liquidity

Note

1. Please open with a 40 to 50 word answer block that names all seven factors in one or two sentences, so the paragraph can be quoted on its own.

2. Please keep the seven H3s below from the live version. Each H3 should start with its conclusion in one sentence, then explain in 2 to 3 sentences with one concrete forex example.

3. In factor 1, please add one inline link to our liquidity provider guide for readers who want to know how brokers source liquidity.

1. Market Size and Participants

2. Central-Bank Policy and Interest Rates

3. Trading Sessions and Time of Day

4. Economic News and Events

5. The Currency Pair Itself

6. Market Stress and Risk Sentiment

7. Holidays and Weekend Gaps

What Causes Illiquidity?

Note

1. Please open with one definition sentence of illiquidity, then give 3 to 5 bullet points of causes that do not repeat the seven factors word for word (for example the end of the New York session, bank holidays, sudden risk-off events, thinly traded exotic pairs).

2. Please add one inline link to our liquidity risk guide and end with a concluding sentence.

How to Measure Liquidity in Forex

Note

1. Please open with a 40 to 50 word answer block: retail traders cannot see total forex volume, so they measure liquidity through proxies such as the spread, market depth, tick volume and how their orders fill.

2. Please present the table below with one lead-in sentence and fill the empty cells. Please describe where to find each measure in MetaTrader 5 in words, not screenshots.

MeasureWhere to see itHow to read itSign of low liquidity
Bid-ask spread
Market depth (DOM)
Tick volume
ATR
Slippage on your fills

3. Please end with 2 to 3 sentences explaining that tick volume counts price changes rather than traded amounts, so it is a proxy and should be read together with the spread.

How to Spot Liquidity on the Chart

Note

1. Please explain in 2 to 4 sentences that traders also use the word liquidity for areas where many stop and pending orders sit, such as above recent highs, below recent lows and around round numbers.

2. Please name liquidity zones, liquidity sweeps and buy side liquidity in one or two sentences each, each with an inline link to our dedicated guide, and do not explain entry rules for them here.

How to Use Liquidity in Forex Trading

Note

1. Please give 4 to 6 practical rules as bullet points, each one sentence, covering when to trade (the London and New York overlap), when to reduce size or stand aside (late Friday, holidays, minutes before major data releases), how to place stops in thin markets and why limit orders help when spreads are wide.

2. Please end with a concluding sentence.

  • Trade the Most Liquid Hours:
  • Check the Spread Before You Enter:
  • Reduce Size Around Major News:
  • Avoid Thin Holiday and Weekend Markets:
  • Use Limit Orders When Spreads Are Wide:

FAQ

Which forex trading pair has the most liquidity?

Note

1. Please answer in 1 to 3 sentences, citing the BIS 2025 survey share for EUR/USD after you have opened it.

What is liquidity in simple terms?

Note

1. Please answer in 1 to 3 sentences without repeating the Quick Response word for word.

Is high or low liquidity better?

Note

1. Please answer in 1 to 3 sentences: high liquidity is usually better for most retail traders because costs are lower and fills are more reliable.

What is the difference between liquidity and volatility?

Note

1. Please answer in 1 to 3 sentences.

Does liquidity change throughout the trading day?

Note

1. Please answer in 1 to 3 sentences with the most and least liquid windows in UK time.

Does news impact liquidity in the forex market?

Note

1. Please answer in 1 to 3 sentences: liquidity often thins just before major releases and spreads widen, then volume returns after the release.

What factors affect forex market liquidity?

Note

1. Please answer in 1 to 3 sentences naming the main factors.

How do you find liquidity in forex?

Note

1. Please answer in 1 to 3 sentences covering the spread, market depth and the trading session.

Conclusion

Note

1. Please close in two short paragraphs of plain text: first recap what liquidity in trading means and how it is measured, then give the reader clear rules to apply (check the spread, trade the liquid hours, size down in thin markets), and end with one plain sentence of perspective, not a metaphor.

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Il trading di derivati e prodotti con leva finanziaria comporta un rischio elevato e può causare perdite superiori al capitale inizialmente investito. Prima di fare trading, leggere i nostri Termini e Condizioni (T&C) e il Product Disclosure Statement (PDS).

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