Average market behaviour in June

The following chart plots the average performance of the FTSE 100 Index during June since 1984 (more info on this type of chart).

The chart shows that on average, after an initial strong couple of days, the market tends to steadily drift lower for the rest of the month.


May 2013

The average chart for May was posted a month ago here. The following reproduces that chart and overlays the actual FTSE 100 for May 2013.

In an average May the market trades fairly flat for the first couple of weeks and then sells off from the 11th trading day of the month. This year, the market was unusually strong for the first three weeks and then sold off from the 15th trading day of the month.

 

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Last trading day of May

Tomorrow will be the last trading day (LTD) of May.

As explained in the 2013 edition of the Almanac the LTDs of months used to be stronger than average, but in recent years they have been weak. This is quite different from the first trading days of months which strongly out-perform the average for all days, and where the effect has strengthened in recent years.

Since 1984 the market has on average risen 0.08% on the LTD of May, which makes it 8th in the ranking of month LTDs.

Since 2000, however, it has been the 4th strongest month LTD, with an average return of 0.17% on the day.

The following chart shows the FTSE 100 Index returns for every May LTD since 1984.

Returns for the FTSE 100 on the last trading day of May for the years 1984-2013

 

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Average market behaviour in May

The following chart plots the average performance of the FTSE 100 Index during May since 1984 (more info on this type of chart).

Average performance of the FTSE 100 Index during May since 1984

The chart shows that on average the market trades fairly flat for the first two weeks of the month, the third week sees a sell off, with final bounce back in the last few days.


April 2013

The average chart for April was posted a month ago here. The following reproduces that chart and overlays the actual FTSE 100 for April 2013.

Average chart for April 2013 with overlay of the actual FTSE 100 for April 2013

In an average April the market climbs steadily throughout the month. This year, the market started weak, then recovered during the latter half of the month.

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First trading day of May

Tomorrow will be the first trading day (FTD) of May.

As explained in the 2013 edition of the Almanac, the market has a tendency to be strong on the FTD of a month. And this effect has been even more pronounced in recent years.

The May FTD has been the 4th weakest month FTD of the year: since 1984 the FTSE 100 Index has increased on average 0.07% on this day.

From 2000 the average return on the day has been even weaker at 0.01%, making it the 2nd weakest month FTD in the year.

The following chart shows the returns for every May FTD since 1984.
The FTSE 100 Index returns for every May FTD since 1984

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Shares that like/dislike May

Shares that like May

The following table lists the five FTSE 350 shares that have the best historic returns in May over the last ten years. For example, AVEVA has an average return of 10.3% for the month of May. Each stock has risen in at least eight of the past ten years in May – AVEVA is the only stock in the FTSE 350 that has risen in nine of the past ten years.

Company TIDM Avg(%)
AVEVA Group 10.3
3i Group 6.4
Babcock International Group 5.7
Pennon Group 3.1
Severn Trent 2.8

A portfolio of these five stocks would have out-performed the FTSE 350 Index in every May over the last ten years with an average out-performance of 6.2 percentage points each May.

Shares that dislike May

The following table lists the five FTSE 350 shares that have the worst historic returns in May over the last ten years. For example, Taylor Wimpey has an average return of -10.8% for the month of May. Each stock has fallen in at least eight of the past ten years in May.

Company TIDM Avg(%)
Taylor Wimpey -10.8
Royal Bank of Scotland Group (The) -7
Barclays -6.4
Workspace Group -5.3
Old Mutual -4.2

A portfolio of these five stocks would have under-performed the FTSE 350 Index in every May over the last ten years with an average under-performance of 5.9 percentage points each May.

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