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Mists of Pandaria (5.0.4)
Updated:10-09-12 07:14 PM
Created:03-26-09 07:00 PM
Downloads:24,608
Favorites:258
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Market Watcher  Popular! (More than 5000 hits)
Version: 2.17
by: Torrid01 [More]
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Purpose

Market Watcher is an addon that scans the auction house and records data for specified items and assists in daily auction house shopping in general. When the addon is set to record, a price history can be displayed to assist in determining a value for items of interest.

What makes Market Watcher unique from other auction house addons is that it records multiple scans instead of just the most recent. This obviously uses a great deal of memory, so only scans of items specified by the user will be recorded. The saving of multiple scans allows for a more accurate determination of value, and allows the addon to deduce if some auctions were actually sold, so you can see which auctions are actually selling as opposed to basing a value off the prices of auctions that may not be selling at all.

The number Market Watcher cares about the most is price per unit - particularly buyout price per unit. Lists are sorted by and comparisons are made by this price. For example, you might have the addon set to scan for abyss crystals, but not display the result in the scan summary unless the price is below a set value. If there are crystals for sale below that value, then the lists generated by the addon will order the auctions by price per unit regardless of stack size. The price history graphs use the lowest, average, and highest price per unit.

How to Use Market Watcher

Adding Items

Once you have installed Market Watcher, visit an auction house NPC and bring up the auction house window.

You will notice two new tabs: History, and Scan.

First, you need to specify which items you wish to "watch." Click the History tab, then click Add.

The Add Item window appears. Enter the name of an item you wish the addon to track, or the item id of an item. This addon needs specific information about the items it scans to function correctly, so it will need to get this information by checking the auction house for it, your inventory, your trade skills, or by silently asking the server to bring up tooltip information about an item id. The item id can be obtained by visiting a WoW database website. Simply search for the item in question and get the number in the URL, i.e. "http://www.wowhead.com/?item=34057"

Once you have added your item, the edit item window appears. From here you can instruct the addon to record the scans of the item, how long to keep the scans, and whether to only record full stacks. Also, you may configure the addon to not display the scan results of items that do not meet certain criteria, such as if the item is too expensive (or cheap), or whether there are none for sale or not. This speeds daily shopping and allows you to easily notice when there are undervalued auctions, or if a market is ripe for your own auctions, or to hide uninteresting markets.

Scanning

Once you have input all the items you want to watch for, click the Scan tab, then click the Scan button. If you do not want to record this scan, then uncheck the "Record Scans" check box. There are a couple of reasons you may not wish to record a particular scan.

First, scans can use up a lot of memory. In fact there is currently no limit to the memory usage of this addon - it is possible to configure this addon to use as much memory as you tell it to, so you must pay some attention to this if you record scans for many items. The memory used by the addon is prominently displayed on the History tab. To give you a rough idea of how much memory scans might use, 500 or so individual item scans uses up about two megabytes of memory. If you configured the addon to record 50 items, then hitting the scan button with record scans checked will use roughly two megabytes of ram after 10 clicks of the scan button. It is also important to note, however, that some items will use far more memory than others. Frostweave cloth or Infinite Dust scans will use much, much more memory than say, Nobles Deck scans.

Secondly, the more uniform your scans are, the more accurate some of the addon estimates and calculations will be. Specifically the price change indicators in the scan summary and the technical analysis indicators.

Once the scan is complete, the scan summary is displayed. Here you can see at a glance how many units are for sale and the cheapest price per unit. If you input a threshold value when setting an item's options, the price text will either be green or red depending if the item's unit price is below or above that threshold value. If an item has scans saved, a percentile indicating the price change from the last week and the last month is displayed. This allows you to quickly determine if an item is selling above or below market value.

Mouseovering an item's summary will bring up a tooltip that will list every auction of that item at the time of the scan, ordered by buyout price per unit. Clicking on an item's summary will query the auction house for that item, and bring up the results on the right side of the window. From here you can conveniently make your purchases in a compact, price per unit ordered list. Shift + right clicking a result will buy that auction out instantly. Note that the auctions listed on the right side of the window are actual auction house results, and therefore have multiple pages, so you may need to click the arrows at the bottom to find the cheapest auction as indicated in the tooltip.

Reviewing Scan Data

Now that you have a scan saved, you can bring up the scan on the History tab. Click the History tab and then click on an item you have set to record. If you have three or more scans, a price history graph is displayed, otherwise a display similar to Blizzard's auction house results page is displayed. You can switch between the two views by clicking the button at the bottom.

The list view will display the scan number and how long ago it was taken. To save space, auctions that are identical are merged and given a number in the # column. The number obviously being how many duplicates of this auction there were. Note that sometimes it will appear as if it did not merge every seemingly duplicate auction. That is because items have a hidden value associated with them. Blizzard uses this value to track certain details about items. (such as where they came from)

If scans are less than 12 hours apart, Market Watcher can deduce if any "Very Long" auctions have either been sold or removed by the seller. Likewise, if scans are under two hours apart, the addon can determine if a "Long" auction was sold or removed, and so on. Using some judgment, you can then determine which auctions are being bought out. If the top few auctions listed are labeled "Sold or Removed" then it's safe to say they were bought out. Auctions with bids are also indicated. You can use this knowledge to more accurately gauge an item's worth.

The graph display can visually represent an item's change in price over time. "Low" "Average" and "High" are the lowest buyout price per unit, average buyout price per unit, and highest buyout price per unit of the auctions in the scan on that date. "Actual" is the actual price. "SMA" is the Simple Moving Average, which is the average of the last 10 price points. "EMA" is the Exponential Moving Average, which works similar to the Simple Moving Average, except more weight is put on the more recent prices. "Trend" shows the overall price trend (if the price is falling, rising, or flat) of all of the scans.
Version 2.17:

* Pet cage errors fixed


Version 2.16:

* Mists compatibility


Version 2.14:

* 4.3 Compatibility


Version 2.13:

* 4.2 Compatibility


Version 2.12:

* 4.1 Compatibility


Version 2.11:

* Fixed an issue with certain obscure items breaking scans


Version 2.1:

* WoW 4.0.x compatible
* A new configuration option has been added to allow you to ignore extremely abnormal buyouts when graphing auctions
* You may now add items to your watched items list by clicking Alt + left click on items in your bags while at the History tab
* You may now scan items in your bags by Alt + left clicking those items while at the Scan tab
* You may now graph by last 2 months, 3 months, 6 months, and last year
* The Cancel Undercut and Cancel Auctions buttons will now only cancel one auction per button press due to Blizzard's restrictions


Version 2.05:

* Fixed auction quick selling durations always posting at 48 hours since the 3.3.3. patch
* A warning is now displayed upon completion of scans if addon memory use exceeds 30 megabytes


Version 2.04:

* Toc updated for WoW 3.3
* Option added to allow opening of the tradeskill window while the auction house window is open

Version 2.03:

Updated toc to 30200
Reduced the wait time to get auction seller names for items that are not set to record
Auctions with bids are now indicated with an asterisk (indicating somebody else bid on the item) or a plus sign (indicating that you have a bid on the item)


Version 2.02:

Fixed a bug that crashed the client in rare circumstances (hopefully -- it's fixed on mine anyway)
Scan summary price tooltips are now more uniform
The last price entered when selling items with none currently for sale will be remembered (glyph sellers may appreciate this)
Fixed a bug with the None for Sale option and a threshold conflict


Version 2.01:

bug fixes


Version 2.0:

* A quick sell panel for starting auctions, crafting items, and canceling auctions
* A filters feature that allows you to narrow down the query results even further
* Right clicking category names will now scan the category
* A cancel undercut button, which will cancel every one of your displayed undercut auctions
* A tradeskill selector, which will allow certain functions, such as the inclusion of crafted items in search queries, crafting selected items on the quick sell panel, and enabling crafted item filters
* A graph tooltip is now displayed when mouseovering items, as well as an item tooltip
* Slightly faster scanning (especially on high latency connections)
* Summary results now update when clicking on an item if that item is one page. You may also rescan items that are more than one page by clicking the rescan button on the quick sell panel
* Items can now be "hidden" by right clicking their scan results. The cancel undercut button will not cancel auctions of hidden items
* Shift right clicking an item in the scan summary will now add that item to the watched items list if it is not already watched
* Shift right clicking an item on the history tab will now scan the item
* Ctrl Alt right clicking an item on the history tab will now remove the item if it has zero scans
* Several bug fixes
Archived Files (15)
File Name
Version
Size
Author
Date
2.16
89kB
Torrid01
09-23-12 06:30 PM
2.14
93kB
Torrid01
12-07-11 05:15 AM
2.13
93kB
Torrid01
06-29-11 09:11 AM
2.12
93kB
Torrid01
05-02-11 06:00 AM
2.11
93kB
Torrid01
12-10-10 06:50 PM
2.1
93kB
Torrid01
10-13-10 06:37 AM
2.05
91kB
Torrid01
04-01-10 10:41 PM
2.04
91kB
Torrid01
12-08-09 11:39 PM
2.03
91kB
Torrid01
08-04-09 09:15 PM
2.02
90kB
Torrid01
06-30-09 08:39 PM
2.01
90kB
Torrid01
05-23-09 10:40 AM
2.0
90kB
Torrid01
05-18-09 11:19 AM
1.02
71kB
Torrid01
04-14-09 08:24 AM
1.01
70kB
Torrid01
03-29-09 09:36 PM
1.0
70kB
Torrid01
03-26-09 07:00 PM


Post A Reply Comment Options
Old 05-11-09, 07:13 AM  
Spahut
A Cobalt Mageweaver

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Yeah, ignoring people is sure to elicit a donation.
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Old 05-11-09, 09:39 AM  
Torrid01
A Kobold Labourer
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Originally posted by Spahut
Yeah, ignoring people is sure to elicit a donation.
I've gotten $5 in donations so far. (and I have other addons with far more impressive numbers of downloads) Please don't try and suggest you intended on sending me a dime. AddOn authors don't do this for the money. Don't expect a help desk.

I ignored your question because it was answered in the description text and could be answered by a google or wikipedia search.
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Old 05-12-09, 11:18 AM  
Spahut
A Cobalt Mageweaver

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Originally posted by Torrid01
I've gotten $5 in donations so far. (and I have other addons with far more impressive numbers of downloads) Please don't try and suggest you intended on sending me a dime.
I didn't, I simply stated fact incase you were hoping to get rich in real life as well.

AddOn authors don't do this for the money. Don't expect a help desk.
They usually don't help either, so you are living up to that

I ignored your question because it was answered in the description text
No it wasn't ("Price Points" - What the hell is that? Doesn't help)

and could be answered by a google or wikipedia search.

Yeah right, you could write at the top your addon requires a doctorate, so people could know to avoid it.
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Old 05-12-09, 07:05 PM  
Torrid01
A Kobold Labourer
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Thanks. I'll take your advice to heart and get rich off of it in real life.
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Old 05-18-09, 08:03 PM  
Marthisdil
An Onyxian Warder
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Originally posted by Spahut
I didn't, I simply stated fact incase you were hoping to get rich in real life as well.



They usually don't help either, so you are living up to that



No it wasn't ("Price Points" - What the hell is that? Doesn't help)




Yeah right, you could write at the top your addon requires a doctorate, so people could know to avoid it.
Spahut - if you don't like the support you're getting for something that is free, either 1) stfu, 2) write your own and support it (or not), 3) both.
__________________

Marth


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Old 05-20-09, 10:55 AM  
xure
A Kobold Labourer

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I'm encountering this error:

Code:
[2009/05/20 17:35:26-3772-x2]: MarketWatcher-2.0\Scan.lua:1112: attempt to compare nil with number
MarketWatcher-2.0\Scan.lua:854: in function `OnScanComplete'
MarketWatcher-2.0\Scan.lua:614: in function `NextPage'
MarketWatcher-2.0\Scan.lua:599: in function `listFunction'
MarketWatcher-2.0\MarketWatcher.lua:151: in function <Interface\AddOns\MarketWatcher\MarketWatcher.lua:148>
This is my first time using this addon and the error appeared after my first scan. I had added some items to scan for and scanning went fine until it was supposed to show the items and their summaries. I tried a second scan right after (hence the "x2" in the error above), thinking that after the first scan it might have non-nil values to check against but sadly it didn't.

And I must say that I really like the idea of this addon, so glad I found it. Thank you for making it available.
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Old 05-20-09, 08:22 PM  
Torrid01
A Kobold Labourer
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Originally posted by xure
I'm encountering this error:
Fixed. Thanks.

It was caused by one of your items having none on sale and also having a threshold set. Apparently the items I watch are always for sale so I never got the error.
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Old 05-20-09, 11:13 PM  
xure
A Kobold Labourer

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Ah yes, that would seem to fit my settings and the semi-rare items I scan for.

Thanks for the swift bug squashing! Eagerly awaiting the next release

Edit: Removed some of my own stupidity... WTB Reading comprehension.
Last edited by xure : 05-20-09 at 11:37 PM.
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Old 05-21-09, 06:05 AM  
Torrid01
A Kobold Labourer
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Originally posted by xure
Ah yes, that would seem to fit my settings and the semi-rare items I scan for.

Thanks for the swift bug squashing! Eagerly awaiting the next release

Edit: Removed some of my own stupidity... WTB Reading comprehension.
Could be several days before I post an update, so in the mean time, to fix your issue, you can replace line 1111 in Scan.lua with this:

Code:
if ( lowestBidPerUnit and itemInfo.bidThreshold > 0 ) then
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Old 05-21-09, 12:11 PM  
xure
A Kobold Labourer

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Originally posted by Torrid01
Could be several days before I post an update, so in the mean time, to fix your issue, you can replace line 1111 in Scan.lua with this:

Code:
if ( lowestBidPerUnit and itemInfo.bidThreshold > 0 ) then
Thanks, that seems to have done the trick.
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Old 05-21-09, 01:53 PM  
xure
A Kobold Labourer

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Noticed another thing.

The "Price above threshold" filter option doesn't filter away items that are above the set threshold. Instead it filters away items that has a threshold set and doesn't have any sales available (0 auctions available).

"Price below threshold" doesn't filter away "0 auctions"-items and works (as I imagine) it is supposed to.

I haven't done any extensive testing on this yet but this is the case with my current setup and findings.
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Old 05-21-09, 09:06 PM  
Torrid01
A Kobold Labourer
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Originally posted by xure
Noticed another thing.

The "Price above threshold" filter option doesn't filter away items that are above the set threshold. Instead it filters away items that has a threshold set and doesn't have any sales available (0 auctions available).

"Price below threshold" doesn't filter away "0 auctions"-items and works (as I imagine) it is supposed to.

I haven't done any extensive testing on this yet but this is the case with my current setup and findings.
The only problem I could find was that the "without a threshold" filter was removing items with zero auctions that had a threshold. Otherwise I could not replicate your issue. Above/below filters are not supposed to remove items with no auctions.
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Old 05-22-09, 11:06 AM  
xure
A Kobold Labourer

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Originally posted by Torrid01
The only problem I could find was that the "without a threshold" filter was removing items with zero auctions that had a threshold. Otherwise I could not replicate your issue. Above/below filters are not supposed to remove items with no auctions.
Perhaps I laid to much emphasis on the zero auction problem. The main problem I had was that the above filter didn't work. The removing of zero auctions were a mere byproduct or just a minor discrepancy that i noticed between the two (below/above) filters.

Here's an in-game example today:

(With only the above threshold filter activated.)

Ink of the Sea
Threshold (Bid/BO): 77s 37c/77s 37c
Lowest price in scan (Bid/BO): 1.1g/4g

And the item still doesn't get filtered away.

Also, as I previously mentioned, the below filter does hide items that has prices below the threshold.

Likewise the (display) below scan summary option has no effect either. But the above option works.

Edit: did some more testing on summary options.
Last edited by xure : 05-22-09 at 11:43 AM.
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Old 05-23-09, 09:45 AM  
Torrid01
A Kobold Labourer
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Oh, I think I know what your problem is Xure. You set a bid threshold, and your items must have auctions with a bid below that threshold somewhere. If you set the bid thresholds to zero they should act as you expect.
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Old 05-24-09, 07:22 PM  
xure
A Kobold Labourer

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Originally posted by Torrid01
Oh, I think I know what your problem is Xure. You set a bid threshold, and your items must have auctions with a bid below that threshold somewhere. If you set the bid thresholds to zero they should act as you expect.
Yes, you are correct that solved the problems I had. My mistake for not knowing how to interpret the bid threshold.

Anyways, thank you for your help. This addon is awesome!
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