I'm guessing there is something seriously wrong with gocollect15767
 Why just the women? I like bears.
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Gaard private msg quote post Address this user | |
Just curious how they come up with FMVs. Is it posted somewhere? |
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| Post 26 • IP flag post | ||
 Where's his Bat-package?
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Byrdibyrd private msg quote post Address this user | |
Quote:Originally Posted by sportshort Yeah, and that's where the questionable math comes in to calculate an FMV from too few data points. Not gonna lie, I use GoCollect, but I use them to see the lists of documented sales (very useful) compiled over a relatively long period of time. Because eBay and other auction/sales sites don't display sales after a few months go by, GC is one of the few places where that data is archived, and that's what makes GC useful to me - not their odd conclusions about FMVs. |
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| Post 27 • IP flag post | ||
 I hear their hourly rate is outrageous!
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sportshort private msg quote post Address this user | |
| @Gaard, Actually that one makes sense to me. so few are out there (I think) that any sale of any kind that got recorded would probably need to be used to extrapolate the fmv's for other grades. Since there are only 97 total books graded they probably don't change recorded hands enough to give a true fmv | ||
| Post 28 • IP flag post | ||
 I live in RI and Rhode Islanders eat chili with beans.
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esaravo private msg quote post Address this user | |
Quote:Originally Posted by Byrdibyrd This is exactly why I have had a Go Collect subscription for the last 2 years. Without the subscription, you have to take their values with a large grain of salt. Some are pretty accurate, and others are absurd. With the subscription, you can see the sales, and not just from eBay - you get Comic Link, Heritage, and others too. So I find that useful when purchasing or selling a comic, especially something that doesn't have lots of sales. However, I am getting tired of waiting for them to link up with the CBCS census. You can enter a CGC code and it will fill in the grade, page quality, etc. It will also track values for your list of CGC books. These features do not work with CBCS slabs. If something doesn't change by the next time my subscription is due, I will probably drop them. |
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| Post 29 • IP flag post | ||
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Where's his Bat-package?
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Byrdibyrd private msg quote post Address this user | |
Quote:Originally Posted by sportshort That's it exactly. I may not be the biggest math expert out there, but I still took statistics/sadistics, and even a little study there will tell you that accurate maths require A Lot of data points. Even if all 97 books out there were to have sold at one time or another, it wouldn't be enough data to estimate an accurate FMV. |
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| Post 30 • IP flag post | ||
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Where's his Bat-package?
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Byrdibyrd private msg quote post Address this user | |
Quote:Originally Posted by esaravo It's also getting a little tedious to have to click on the 'sale history' to see CBCS sales while CGC sales are just right there on the first 'overview FMV & Sale History' page that you come to. |
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| Post 31 • IP flag post | ||
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Why just the women? I like bears.
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Gaard private msg quote post Address this user | |
| Correct or incorrect ... that's really not what I'm asking. I'm just asking how they calculate it. Is it posted somewhere? | ||
| Post 32 • IP flag post | ||
 Collector
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Cerebus3000 private msg quote post Address this user | |
| I only recently started looking at gocollect. I like them for aggregating sales information, but I take their FMVs with a grain of salt. I think if you are buying or selling a specific grade then looking at actual sales of that grade over time can be done at a glance with a paid account. You can then hopefully apply rational human thought to help determine if your irrational human desires are perhaps reasonable. I have also used gocollect in a similar way to help decide if it is worth slabbing a comic. A couple months ago gocollect was advertising new features coming. The original launch date has been missed, but maybe something is in the works to provide better FMVs. GPAnalysis might be better for aggregating sales information, but I am too new to slabbed comics to justify two paid accounts. |
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| Post 33 • IP flag post | ||
 " . "
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Davethebrave private msg quote post Address this user | |
Quote:Originally Posted by Gaard No, black box. I could likely derive it but not worth the effort as I already know it is inaccurate. |
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| Post 34 • IP flag post | ||
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Why just the women? I like bears.
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Gaard private msg quote post Address this user | |
| Fair enough. | ||
| Post 35 • IP flag post | ||
 If the viagra is working you should be well over a 9.8.
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xkonk private msg quote post Address this user | |
Quote:Originally Posted by Gaard It isn't specific, but if you go to a book (any particular book) and click on 'Modeler' then 'About', they give an example. In theory, they use sales data for a particular book to set multipliers for it. For example, maybe a 9.4 sells for twice as much as a 8.5 while a 9.8 sells for 20 times. Then down the line, even if there aren't any 9.8 sales, if there's an 8.5 sale they can update their 9.8 value based on the multiplier. Lots of questions you could still ask in terms of details but that's the gist. |
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| Post 36 • IP flag post | ||
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Davethebrave private msg quote post Address this user | |
Quote:Originally Posted by xkonk There is no multiplier being used as a rule to generate their FMV data. They may use it as a generic example or perhaps If there is an empty slot (no data) maybe they interpolate based on that but that isn’t their FMV calc as generally applied. As for what is going on today on GC, it is just more messed up than usual. There are books showing the same FMV across multiple grades. They may have a database issue going on or something as their usually inaccurate algo is completely busted for at least a few books I just spot checked. |
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| Post 37 • IP flag post | ||
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