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Artisan
25 Oct 10 12:54
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Date Joined: 15 Jun 06
| Topic/replies: 208 | Blogger: Artisan's blog
One of my systems (market making IR horses), which I have been running for several years, displays what to me seems an extraordinary characteristic.

Looking at the profitability profile for each month, it is without exception the same for every month.  The first 5-10 days of the month it runs at breakeven, or marginally profitable, the next 10 days or so it is moderately profitable, with the last 10 days of the month providing the majority of the returns.

Further analysis shows that the shape of the market seems to definitely change in that I get more bets matched as the month goes on.

I've been asking myself for sometime why that is.  Other than something to do with pay days, or on the "lunatic" fringe something to do with the moon, I'm drawing a blank.

Any ideas?
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Report Rocket to the FACE October 25, 2010 1:00 PM BST
a lot of people get paid at the end of the month? just a guess
Report SHAPESHIFTER October 25, 2010 1:47 PM BST
Is this based on bf prices?  As someone said, pay cycles.  Some would load up their account come pay day making the trading/pricing tighter.  By Day 21, if volatility would increase.  Once paid (27, 28 29) and bills to speed, into the account it goes to start the cycle again.
Report Artisan October 25, 2010 2:32 PM BST
Pay days would certainly make some sense, and your pattern SS is plausible.  I'm just surprised (although I probably shouldn't be) that it could have such a marked effect.  Given that a lot of people are weekly paid, why don't I see a similar effect on Thurs/Fri/Sat etc.?
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