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The Essential Guide to Currency Strength Meter 

Last Updated: November 25, 2019

By Rayner

What is a currency strength meter and how does it work?

Now, one of the struggles of a Forex trader is you’ve got many currency pairs to choose from.

For example:

You’re bullish on EURO but, you have the option to trade: EURUSD, EURJPY, EURGBP, EURAUD, EURNZD, EURCAD, etc.

So which currency pair do you trade?

Well, that’s where a currency strength meter comes into play.

It helps you to identify the strongest/weakest currencies so you can pick the right currency pair to trade (more on this later).

But first, I want you to avoid these common mistakes traders make when using the currency strength meter…

Do you make these mistakes when using a currency strength meter indicator?

If you google “currency strength meter”, it returns 8.3 million results — crazy.

And you know what’s crazier?

Almost none of them tells you the pitfall to avoid when using a currency strength meter.

That’s why traders lose money even with a “GPS” in their hands.

So here are the mistakes to avoid when using a currency strength meter (the stuff nobody tells you) …

Mistake #1: You randomly use a currency strength meter without knowing how it works

Now, a currency strength meter is like any other trading indicator.

There’s a formula behind it to determine the strength/weakness of a currency.

But if you don’t know the formula behind it, how can you trust the result of the currency strength meter?

What if the formula is wrong?

What if the currency strength meter only works on the daily timeframe but, you’re unaware of it, and use it on the lower timeframe?

That’s why no matter what tools or indicators you use, you must always know the formula behind it and how it works.

(And later, I’ll teach you how to create your own currency strength meter so you have confidence to use it.)

Mistake #2: You use the currency strength meter to time your entries

Now, a mistake many traders make is to blindly trade based on the currency strength meter.

For example:

You identify what’s the strongest currency pair right now and immediately buy, thinking the price will move higher — big mistake.

Here’s why…

A currency strength meter isn’t meant to generate buy/sell signals.

It only tells you which are the strongest/weakest currencies at a point in time.

Let me explain…

According to my currency strength meter right now, JPY is the strongest and GBP is the weakest…

(Don’t worry, I’ll show you how to create it later.)

But if you look at the charts right now, it’s a bad time to short the GBP/JPY…


Because you’re chasing the markets lower after it has made a big move.

There’s no logical place to set your stop loss and you’ll likely get stopped out on the pullback.


Mistake #3: The lower timeframe is prone to false signals

Here’s the thing:

Most currency strength meters calculate the change in price (over a fixed period) to determine which currencies are strong or weak.

But this is prone to false signals on the lower timeframe.


Because high impact news can cause a “spike” in the price which misleads the strength/weakness of a currency pair.

That’s why you want to use a currency strength meter which calculates the change in price from the higher timeframe.

And here’s how you do it…

How to create a currency strength meter that works (and without coding)

All currency strength meter works in a similar manner.

The idea is to calculate the change in price over a given period and then determine which are the strongest/weakest currency pairs.

Of course, you can complicate things by adding formulas, weightages to different timeframes, etc. — and it’ll not make much of a difference (besides confusing yourself).

So, for this currency strength meter, there’s no complicated formulas or any complex algorithm.

Here’s how it works…

  1. Create a list of major currency pairs
  2. Calculate the percentage change over the last 15-weeks (for the major currency pairs)
  3. Rank them from strongest to weakest

Let me explain…

#1. Create a list of major currency pairs


Now you’re probably wondering:

“Why do you use JPYUSD instead of USDJPY?”


You want to standardize USD as your quote currency so you can compare them “apple for apple”.

#2: Calculate the percentage change over the last 15-weeks

Here’s how…

  1. Insert the Rate of Change (ROC) indicator onto the weekly timeframe
  2. Change the settings to 15-period
  3. Do it for all major currency pairs

Here’s how to do it on TradingView:

#3 Rank them from strongest to weakest

Now once you’ve got the values, you want to rank them from the strongest to the weakest.

The currency pair with the highest value would rank at the top, followed by the second, third, fourth, etc.

Here’s how it’ll look like on excel:

Pro Tip:

You can add exotic currency pairs like USDZAR, USDTRY, USDRUB, etc. so you have more markets to trade.

How to tweak the currency strength meter for your own trading strategy

Now, by using the weekly prices to determine strength and weakness, you can avoid false signals from the lower timeframe.

But if you’re a short-term trader, using a 15-week ROC as your currency strength meter is too long.

So, what now?

That’s where you can tweak your currency strength meter for short-term trading.

So here are some guidelines for you:

  • If you trade below the 4-hour timeframe, use 4-weeks ROC
  • If you trade between the 4-hour and weekly timeframe, use 15-weeks ROC
  • If you trade above the weekly timeframe, use 30-weeks ROC

Now at this point:

You know how your currency strength meter works (without any black-box algorithm). And you know how to tweak it to your own trading style.

So now the question is…

How do you use the currency strength meter for your own trading?

Well, that’s what you’ll discover next, so read on…

How to use a currency strength meter and find the best currency pairs to ride massive trends

Here’s how…

Use the currency strength meter and pair the strongest currency with the weakest one — so you get a strong trending market.

For example, look at the currency strength meter below…

You can see GBP is the weakest and JPY is the strongest.

And when paired together, you get GBP/JPY which is in a strong downtrend…


A currency strength meter doesn’t help you time your entries. It helps you filter out the best currency pairs to trade.

This means you need a trading setup to get you into a trade (like breakouts, pullback, candlestick patterns, etc.).

If you want to learn how to time your entries, then check these out…

The Complete Guide to Breakout Trading

The Monster Guide to Candlestick Patterns

The Shooting Star Trading Strategy Guide

How to use a currency strength meter and find the best currency pairs for swing trading

When it comes to swing trading, you want the market to be either in a weak trend or range — so you can capture a swing within it.

So can a currency strength meter help with it?

You bet!

Here’s how…

You want to pair currency pairs which are of similar strength or weakness.

An example:

If you look at the currency strength meter below, EURO and AUD are ranked closely to one another (both relatively weak).

And if you pair them together, you’ll get EUR/AUD which is in a weak trend now…

And as a swing trader, you could look for buying opportunities around the 1.6000 – 1.5900 area.

If you want to learn more about swing trading, then check these out…

The NO BS Guide to Swing Trading

Swing Trading Strategies That Work


So here’s what you’ve learned today:

  • A currency strength meter calculates the % change in price to rank currency pairs from strong to weak
  • A currency strength meter doesn’t tell you when to enter a trade, it only helps you to filter for potential currency pairs to trade
  • You can tweak your currency strength meter to adapt to different trading timeframes
  • If you want to trade strong trending markets, pick a strong currency against a weak one
  • If you want to capture swings in the market, pick currencies of similar strength or weakness

Now here’s what I’d like to know…

How do you use a currency strength meter?

Leave a comment below and share your thoughts with me.

  • Very helpful. Explains things simply. Does NOT over sell the idea. Makes strong intuitive sense. Offers some trading ideas to use this with. Many thanks – helpful contribution.

      • currency strength at
        when you start searching for example


        then you will get the currency strength for the dollar.
        if you have an abo you can even see the change in M1(one minutes). This kind of display is much better than a table because you see the currency strength directly as a graph.
        it is possible to apply indicators to this chart.
        I have been using this for a long time and can highly recommend it.

        Here are some examples:

        Hong Kong dollar currency strength

        NOK currency strength

        CHF currency strength:


  • Hey Rayner, what if I want to use Currency strength Meter across other markets like bonds,indices,metals and other markets… Isn’t going to work?

    • It will require a different method of defining strength and weakness as it’s not like currency where you have multiple markets with the same base currency.

  • I appreciate the work and your time you have spent to prepare this post.Its very clear and understandable…Thanks

  • Many Thanks Rayner for the info.
    You are making sense… I was so confused about different time frames not been accurate.

  • Great topic! Excellent.Thanks Rayner a lot for your sincere, helpful training sections to trader community! Appreciate your works!

  • Hey Rayner,

    Can you able to tell how do you manage the “Swap Charges” ? How many day you get “Swap Free” from your broker ?

  • Thank you Rayner,
    Your actually a good Mentor by always disclosing the best and simple Way to successful trading strategies to your subscribers,
    I trade with currency mitres too and it pays me in my trading,but I never know I can create mine and even to use currency meter for swing trading by taking the weekest and the one close to it,
    Thank you Rayner

  • Rayner – Thumbs up for the currency strength meter. Please explain in greater detail the currency strength meter. For example (1) Why 15 weeks and not 10 or 20? (2) if we need a trade setup to get you into a trade (like breakouts, pullback, candlestick patterns, etc.) Then why bother with currency strength meter in the 1st place? Please guide

    • Academic studies have shown markets that shows strong momentum over the last 3 – 12 months tend to continue showing strength. So 15-weeks is about 3 months of performance.

      If you have a setup like a breakout and it coincides with buying the strongest market, it increases the odds of a breakout trading working out.

  • This is super helpful to find good set up. But I have one question, when should conduct the roc check? Is it on Saturday when all forex market are closed? Or daily routine? Or (your suggestion) … thanks a lot.

  • Hi Rayner:
    You have a new and simple way to calculate strength.
    Many strength meters use 28 pairs, you only use 7 majors.
    Maybe it is not necessary to calculate 28 pairs, and your formula is just simple and works well.
    Can you tell me: have you compared the results of your formula with other strength meters (like CSM by Hannover, and StrongWeak of FXCM), and got similar results?

    Thanks and regards to your wife and little kid (not a baby anymore now :D).

  • Good evening Rayner, being honest I did not know how to use this indicator correctly until your explanation, thanks for one more teaching.


    • Ade, don’t align the entries in the ranking column to the first column. The position in the ranking column is determined by the value in the 15 week ROC column. So where you have the JPYUSD pair having the ROC of 3.38, that is the strongest ROC in the list so JPY is the strongest currency (against the USD) so it sits at the top of the Ranking column. That Ranking column could be placed below the table instead of alongside, so it doesn’t confuse. Hope that helps.

  • Hi Rayner, great stuff there. Great to know how to create a currency strength meter for free. I got perfectly how you arrived at the ranking of the major pairs except the USD. How did you arrive at the position of USD in the ranking? Many thanks.

  • Hi Rayner, thanks for the awesome lesson. I’m just wondering if I can also use the ROC with currency indexes like DXY or EXY to know the strength of the individual currencies for further filtering. Is that advisable?

  • Hi Rayner! Great stuff here! I’m just a little confused about one part. Since we are using the USD as the base (0 value) and we reverse the pairs with USD in front (like USDJPY becomes JPYUSD), then should we reverse the ROC value as well? Like if the ROC value of USDJPY is 0.53, shouldn we make it -0.53 or something?

  • Hello Rayner, concerning the Currency Strength Calculation for JPY, should we simply invert the result of USD/JPY to get that for JPY/USD? because I cannot get the chart for JPY/USD. Thanks

    • I am sorry, I just noticed someone already asked similar question. But just a little modification, how do we determine the inverse, is it simply changing the sign or by getting the reciprocal? For instance if ROC for USD/JPY is 2.24, can we say ROC for JPY/USD is -2.24 or 1/2.24 = 0.44?

      • Hi Teo

        According to me the formula for calculating the inverse:

        Say Rate of change % for period of inverse ratio = b = JPY/USD

        Say Rate of change % for period = a = USD/JPY

        Use negative sign in the formula (“a”) when ROC % is a negative %.

        b = [1/(1+a/100) – 1] x 100

        ROC % for JPY/USD= b

        For Ernest example
        ROC % for USD/JPY = 2.24

        b = [1/(1+a/100) – 1] x 100
        b = [1/(1+2.24/100) – 1] x 100
        b= [1/(1.0224) – 1] x 100
        b =[0.97809077 – 1] x 100
        b = -0.02190923 x 100
        b = -2.190923
        b is approximately -2.19%