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| Subject: | Monthly Performance Stats incorrect |
| Posted by: | nigel cole ( C2 Score: 988 ) |
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| When: | 11/06/11 (9:30) | |
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| | Matt, can you take a look at an issue with the monthly performance stats shown at the top of each system page?
It appears that the performance from 31st October was allocated entirely to Novembers performance and this appears to have happened in other months.
This is unfortunate as I prefer to publicise C2's stats on my blog and twitter accounts, yet am now unable to as they are clearly wrong and misleading. I still want to link to C2 but will have to issue a warning concerning this problem, which does not help C2's reputation as an accurate an impartial arbiter of system performance. |
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| Subject: | Monthly Performance Stats incorrect |
| Posted by: | Wang Wei ( C2 Score: 882) |
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| When: | 11/06/11 (10:21) | |
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| | In response to post by nigel cole of 11/06/11 (9:30) Matt, can you take a look at an issue with the monthly performance stats shown at the top of each system page?
It appears that the performance from 31st October was allocated entirely to Novembers performance and this appears to have happened in other months....
See entire
I also noticed this.
My system 1.7% profit on Oct,31 was allocated to Nov,1. |
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| Subject: | Monthly Performance Stats incorrect |
| Posted by: | Trend Decision ( C2 Score: 275) |
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| When: | 11/07/11 (10:14) | |
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| | In response to post by nigel cole of 11/06/11 (9:30) Matt, can you take a look at an issue with the monthly performance stats shown at the top of each system page?
It appears that the performance from 31st October was allocated entirely to Novembers performance and this appears to have happened in other months....
See entire
I have only 1 closed trade on my new system... and it is saying that I have 5 trades, of which 2 are winners. It seems that C2 is taking a snapshot of open trades and then applying it to my equity curve and my performance stats.
This is misleading and could potentially cost me clients if the skew is unfavorable to me.
Futures Trend Decision |
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| | In response to post by Trend Decision of 11/07/11 (10:14) I have only 1 closed trade on my new system... and it is saying that I have 5 trades, of which 2 are winners. It seems that C2 is taking a snapshot of open trades and then applying it to my equity curve and my performance stats....
See entire
Of course Collective2 includes the results of your currently-open positions in your statistics!
This policy ("marked-to-market" accounting) is standard across the entire financial world, and is required by regulators of the financial sector around the globe.
Nothing new here. This is how the financial world works.
Matthew |
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| Subject: | Monthly Performance Stats incorrect |
| Posted by: | nigel cole ( C2 Score: 988) |
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| When: | 11/07/11 (10:55) | |
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| | In response to post by Matthew Klein of 11/07/11 (10:47) Of course Collective2 includes the results of your currently-open positions in your statistics!
This policy ("marked-to-market" accounting) is standard across the entire financial world, and is required by regulators of the financial sector around the globe....
See entire
Any chance of a reply, or better a solution, to the OP, Matt? |
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| Subject: | Monthly Performance Stats incorrect |
| Posted by: | nigel cole ( C2 Score: 988) |
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| When: | 11/07/11 (10:58) | |
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| | In response to post by Wang Wei of 11/06/11 (10:21) I also noticed this.
My system 1.7% profit on Oct,31 was allocated to Nov,1.
I noticed this issue when I was showing as being up by 3%+ for November, when I looked during regular trading hours on the 31st October. Not bad going ! (but unfortunately doesn't help c2 credibility) |
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| Subject: | Monthly Performance Stats incorrect |
| Posted by: | Dean Pignon ( C2 Score: 999) |
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| When: | 11/07/11 (11:17) | |
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| | In response to post by Matthew Klein of 11/07/11 (10:47) Of course Collective2 includes the results of your currently-open positions in your statistics!
This policy ("marked-to-market" accounting) is standard across the entire financial world, and is required by regulators of the financial sector around the globe....
See entire
More importantly than what others do or what any regulator insists upon: it is a much more realistic way of tracking results. Real traders will have real positions open and their real account values will go up and down with those positions while they are open.
It is especially important to account for open positions when leverage is in use. At 2:1 leverage, a 50% drop in the traded instruments on which positions are taken translates to a 100% drop in the real account value; irrecoverable wipe-out. |
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| | In response to post by nigel cole of 11/07/11 (10:55) Any chance of a reply, or better a solution, to the OP, Matt?
The problem is that background statistics/results calculations were delayed and, instead of running on Oct 31, after the market close, for some systems, they ran early in the morning on Nov1 (or even a day later). This delay meant that trades (and monthly results) that actually should have been allocated to October were instead allocated to November.
Ultimately, the aggregated results for the two-month period of October+November will be exactly the same in either case, but I agree that we want to make the monthly results reporting as accurate as possible.
However, this project -- to clean up the October/November monthly transition -- may require a week or so to fix.
So hang in there, and I'll see what I can do. I'll report more here when I have more information.
Matthew |
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| Subject: | Monthly Performance Stats incorrect |
| Posted by: | nigel cole ( C2 Score: 988) |
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| When: | 11/07/11 (11:46) | |
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| | In response to post by Matthew Klein of 11/07/11 (11:41) The problem is that background statistics/results calculations were delayed and, instead of running on Oct 31, after the market close, for some systems, they ran early in the morning on Nov1 (or even a day later). This delay meant that trades (and monthly results) that actually should have been allocated to October were instead allocated to November....
See entire
Thanks Matt. Let us know when you've fixed it - but I seem to recall this occurring with other month ends in the past. Given that my system often holds trades for multi-month periods this tends to be quite noticeable for me. |
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| Subject: | Monthly Performance Stats incorrect |
| Posted by: | Robert Petrosino ( C2 Score: 110) |
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| When: | 11/21/11 (22:11) | |
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| | In response to post by nigel cole of 11/07/11 (11:46) Thanks Matt. Let us know when you've fixed it - but I seem to recall this occurring with other month ends in the past. G...
See entire
has anyone seen a correction of the october 31st glitch where this dates trading is attributed to november on the graph? mine has not been corrected as of 11/21/11. |
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| Subject: | Monthly Performance Stats incorrect |
| Posted by: | nigel cole ( C2 Score: 988) |
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| When: | 11/24/11 (11:40) | |
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| | In response to post by Robert Petrosino of 11/21/11 (22:11) has anyone seen a correction of the october 31st glitch where this dates trading is attributed to november on the graph? mine has not been corrected as of 11/21/11.
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| Subject: | Monthly Performance Stats incorrect |
| Posted by: | nigel cole ( C2 Score: 988) |
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| When: | 2/01/12 (5:14) | |
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| | In response to post by nigel cole of 11/24/11 (11:40) Mine was corrected a week or so ago
[LINKSYSTEM_56534251]
Matt, the same problem has occured again. I am showing up 1.4% already for feb, when this was based on US listed etfs traded yesterday. Yet again i need to warn people on my blog to treat c2 stats with a pinch of salt. Please fix. Asset Rotation |
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| Subject: | Monthly Performance Stats incorrect |
| Posted by: | nigel cole ( C2 Score: 988) |
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| When: | 2/01/12 (9:32) | |
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| | In response to post by nigel cole of 2/01/12 (5:14) Matt, the same problem has occured again. I am showing up 1.4% already for feb, when this was based on US listed etfs tr...
See entire
Hmm, now the 1.4% gain in Feb for Asset Rotation has changed to +0.1%, but the gains of 7.5% in Jan and 0.5% in Feb for Asset Rotation Premium are still unchanged.
I could understand perhaps having issues with the days cut-off point if I were trading 24 hour traded futures, but not US etfs.
Any chance of a response on this Matt? |
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| | In response to post by nigel cole of 2/01/12 (9:32) Hmm, now the 1.4% gain in Feb for Asset Rotation has changed to +0.1%, but the gains of 7.5% in Jan and 0.5% in Feb for Asset Rotation Premium are still unchanged....
See entire
Hi, Nigel:
I fixed the stats for the first system right after you posted (which is why you noticed the change) but I wasn't aware you also had the same problem with your second system. I have just adjusted the month-end cut-off time for that system, too, as per your request.
Give it 30 minutes or so to appear on your screen.
Matthew |
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| Subject: | Monthly Performance Stats incorrect |
| Posted by: | nigel cole ( C2 Score: 988) |
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| When: | 2/01/12 (10:42) | |
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| | In response to post by Matthew Klein of 2/01/12 (10:28) Hi, Nigel:
I fixed the stats for the first system right after you posted (which is why you noticed the change) but I wasn't aware you also had the same problem with your second system. I have just adjusted the month-end cut-off time for that system, too, as per your request....
See entire
Thanks for that Matthew. Presumably there's more complexity to this than I give credit to, but surely this should be something that is made correct c2-wide not just on a system by system basis? Correct stats or at least the main ones are highly important for anyone using C2 as a third-party auditor for credibility purposes. |
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