1. February 16, 2009
Marvell Technology Group Ltd.- Buying the Pullback
ticker symbol: mrvl
tilt: bullish ▲
Marvell Technology (MRVL) demonstrated a fair amount of relative strength on Friday, closing up
$0.26 for a 3.28% gain at the $8.19 close, even against strong selling near the close on the S&P
500 and NASDAQ indices. With MRVL's 50-day moving average (sma) within $0.05 of crossing above
the 100-day moving average, traditionally a bullish buy signal, is it time to get long the stock?
The Art: Referring to the daily chart below, we see MRVL as having broken out of a bullish 16-
week inverse head-and-shoulders base with a pattern measurement still some 30% above Friday's
closing price. With the 50sma set to cross above the 100sma over the next few days, let's turn
to Science for a bit of guiding light.
2. The Science: Using all time-series data for MRVL, we tested all occurrences of the 50/100sma
'bullish' cross. Below is a statistical summary showing the percentage change of the 9 previous
occurrences of the event; of the 9 previous occurrences, all 9 were negative showing an average
loss of 7.3% 4-days after the moving-average cross, with a maximum drawdown of -16.5% 5-days
after the moving-average cross. This is one example of where testing the traditional 'wisdom' of
legacy Technical Analysis can often lead to new discovery. The target price on this study shows
MRVL down at $7.58 over the next week or so on an average repeat of history, with a maximum
drawdown into the $6.85 area, interestingly near support currently offered by the 50sma and
100sma.
Date T+0 T+3 T+4 T+5 T+6 T+7
Avg 0 -3.1 -7.3 -4.9 -5.6 -4.5
AvgPos 0 5.8 0 4.6 2.2 3.8
AvgNeg 0 -4.2 -7.3 -7.6 -7.8 -5.5
PctPos 0 11.1 0 22.2 22.2 11.1
PctNeg 0 88.9 100 77.8 77.8 88.9
Maximum 0 5.8 -2.5 5.7 2.7 3.8
Minimum 0 -7.3 -11.9 -16.5 -13.4 -10.2
StdDev 0 3.8 3 7.1 5.9 4.8
ZStat 0 -0.8 -2.4 -0.7 -0.9 -0.9
Event Performance Over Time
10
5
Percentage Move (except ZSTAT)
0
ZStat
Avg
-5 AvgPos
AvgNeg
Maximum
Minim um
-10
-15
-20
T+0 T+3 T+4 T+5 T+6 T+7
Day-T After Event