Thursday, August 23, 2007
Update To XLE Trade
The signal on Aug 8 to buy the XLE resulted in a loss as the XLE dropped from 69.35 to 67.20, a 3.1 % loss. The position would've been closed on Tuesday after the two week holding period.
Updated Indicator Test
I just reanalyzed the relation between the XLE 0.1 ema and the SPY 10 days later for the period 4/20/04 to 8/21/07 (today is the 23rd). I also analyzed the 20 day after SPY results.
The 10 day correlation is -.27. The 20 day correlation is -.32. These are quite high and encouraging.
There also was a perfectly monotonically increasing return 10 days later in the SPY as the XLE 10 day e.m.a. decreased, and a fairly good increasing return 20 days later:
XLE 0.1 ema ----------------------SPY 10 days later----SPY 20 days later
< -.56 ____________________ 1.45 %____________2.98%
< -.44 & > -.56 ______________1.06 % ____________1.80%
< -.31 & > -.44 ______________0.97 % _____________2.01%
.14 & > -.31 ________________ 0.86 %_____________1.39%
< .45 & > .14 _______________ -0.04 %_____________0.12%
< .53 & > .45 _______________-0.24 %_____________0.69%
< .62 & > .53 _______________ -0.39 %____________-0.28%
> .62 ____________________-0.49 %____________-1.27%
Average 10 day SPY return 0.4 %. Average 20 day return 0.8 %.
As of today's close, the XLE 0.1 ema is 0.01 so we are slightly positive (by interpolation).
The 10 day correlation is -.27. The 20 day correlation is -.32. These are quite high and encouraging.
There also was a perfectly monotonically increasing return 10 days later in the SPY as the XLE 10 day e.m.a. decreased, and a fairly good increasing return 20 days later:
XLE 0.1 ema ----------------------SPY 10 days later----SPY 20 days later
< -.56 ____________________ 1.45 %____________2.98%
< -.44 & > -.56 ______________1.06 % ____________1.80%
< -.31 & > -.44 ______________0.97 % _____________2.01%
.14 & > -.31 ________________ 0.86 %_____________1.39%
< .45 & > .14 _______________ -0.04 %_____________0.12%
< .53 & > .45 _______________-0.24 %_____________0.69%
< .62 & > .53 _______________ -0.39 %____________-0.28%
> .62 ____________________-0.49 %____________-1.27%
Average 10 day SPY return 0.4 %. Average 20 day return 0.8 %.
As of today's close, the XLE 0.1 ema is 0.01 so we are slightly positive (by interpolation).
Wednesday, August 8, 2007
XLE Buy Signal
My oil stock indicator will flash a buy on the close today (its now 1:50 PM EST). In the past four years, the XLE gained 2.7% over the next two weeks after a buy signal, which is above the 1.0% average return - a 1.7% above average return!
The Buyback Letter (by David Fried) has a few oil stocks in its portfolio:
* Valero (VLO)
* Marathon (MRO)
* Nabors (NBR)
* Exxon (XOM)
* Royal Dutch Shell (RDSA)
* Sunoco (SUN)
McDep says Chevron(CVX) and Conoco(COP) are good values, as are the two giant Russian companies Gazprom and Lukoil.
I'll go with recently underperforming MRO.
The Buyback Letter (by David Fried) has a few oil stocks in its portfolio:
* Valero (VLO)
* Marathon (MRO)
* Nabors (NBR)
* Exxon (XOM)
* Royal Dutch Shell (RDSA)
* Sunoco (SUN)
McDep says Chevron(CVX) and Conoco(COP) are good values, as are the two giant Russian companies Gazprom and Lukoil.
I'll go with recently underperforming MRO.
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