Peculiar Behavior

As I have shown in previous issues of Seasonal Insights, various financial instruments are demonstrating peculiar behavior in the course of the week: the S&P 500 Index is typically strong on Tuesdays, Gold on Fridays and Bitcoin on Tuesdays (similar to the S&P 500 Index).

The quest for profitable foresight…[PT]

Several readers have inquired whether currencies exhibit such patterns as well. Are these extremely large markets also home to such statistical anomalies, or is market efficiency winning out in this case?

Let us take a closer look.

The Euro: Weak on Mondays, Strong on Fridays

Below I examine the performance of the EUR-USD exchange rate broken down by individual days of the week.  The chart shows the annualized performance of EUR-USD since 2000 in black, as well as the performance on individual days of the week in blue.

The performance is measured from one closing price to the next; for example, the performance on Tuesdays refers to the price change between the market close on Monday to the market close on Tuesday.

Euro, annualized average performance by days of the week, 2000 to 02/2018 – The euro is weak on Mondays, but very strong on Fridays

As the chart illustrates, two days are standing out: the euro’s performance on Monday was quite weak on average, by contrast its performance on Fridays was very strong. The special status of these two days of the week is quite pronounced: on Mondays the euro declined on average by 1.90 percent annualized, while it rose by 1.73 percent annualized on Fridays. Over the week as a whole, the average annualized gain totaled just 1.12 percent.

Thus investors who held the euro exclusively on Fridays reaped stronger returns than those who held the currency through an entire week. The average move on Mondays is quite large as well, albeit in the opposite direction.

Evidently there exist not only long-term cyclical patterns in the realm of currencies such as annual seasonality (which you can easily look up at www.seasonalcharts.com, or in the Seasonax app), but also specific recurring intra-week patterns. Let us take a look at these patterns in more detail.

The Days of the Week Under the Magnifying Glass

The next illustration shows the overall performance of EUR-USD since the turn of the millennium in black, as well as the cumulative performance of the currency pair on individual days of the week in other colors.

Euro, performance broken down by individual days of the week, indexed – from 2000 to 02/2018. The cumulative performance on Fridays beats that of all other days by a large margin.

As the chart shows, the gold-colored line depicting the cumulative returns achieved on Mondays suffered a  steady decline over many years. Even in bull markets such as that from 2002 to 2008 the euro tended to fall on Mondays. Conversely, the blue line depicting the cumulative returns achieved on Fridays developed quite well overall.

Statistical Anomalies Definitely Exist in the Realm of Currencies

We have already discussed the effects the FOMC meeting exerts on the euro, as well as the euro’s annual seasonal trends – in connection with the latter we were able to establish a sound rationale for the existence of the pattern in the form of US tax regulations. We have now addressed a third recurring statistical anomaly in the form of the euro’s intra-week pattern. As noted, particularly the two days surrounding the weekend are standing out in this context.

The euro talks to a bunch of currencies with zany names. Of course, the euro is in fact weird… [PT]

This study clearly shows that anomalous intra-week patterns are quite pronounced in currency exchange rates as well. As a trader, investor or dealer you can take advantage of these and other statistical anomalies. You can do so by either visiting my free-of-charge web site www.seasonalcharts.com, or by calling up the Seasonax app on your Bloomberg or Thomson-Reuters system. As an aside, in the Seasonax app you can e.g. also look up the precise average intra-day patterns of EUR-USD on Mondays and Fridays over any time period you wish to examine.  There are never any guarantees in the markets, but you can certainly let the probabilities work in your favor.

Charts by: Seasonax

Edited by PT

Chart and image captions by PT where indicated

Dimitri Speck specializes in pattern recognition and trading systems development. He is the founder of Seasonax, the company which created the Seasonax app for the Bloomberg and Thomson-Reuters systems. He also publishes the website www.SeasonalCharts.com, which features selected seasonal charts for interested investors free of charge. In his book The Gold Cartel (published by Palgrave Macmillan), Dimitri provides a unique perspective on the history of gold price manipulation, government intervention in markets and the vast credit excesses of recent decades. His ground-breaking work on intraday patterns in gold prices was inter alia used by financial supervisors to gather evidence on the manipulation of the now defunct gold and silver fix method in London. His Stay-C commodities trading strategy won several awards in Europe; it was the best-performing quantitative commodities fund ever listed on a German exchange. For in-depth information on the Seasonax app click here (n.b.: subscriptions through Acting Man qualify for a special discount! Details are available on request).

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