THIS IS NOT A TRADING GUIDE!
Hello everyone!
I have been around CS for a few years now (don't mind my current account year, I've been here since like 2011) and I always tend to see the same question when it comes to trades or giving your Rare or Very Rare a value in other years such as:
-"How many newer rares is my 2010 Rare worth?"
-"Are my 10 2018 Rare pets worth this 2012 Very Rare Dog?"
and I have been asking a few people that I know of their opinion regarding on how many x years Rares/Very Rares are worth newer ones and they had kind of the same based opinions. However, over the course of the years, people seem to still be confused around this and trying to find some kind of guide or source from which to take a base from and there are currently none that I could find, or, they aren't very descriptive and only mildly touching the subject and leaving people confused and attempting to do math on their own.
There are many people working on making lists about High Demand Pets, UR's, Pets within the "Rares List's", etc, but there doesn't seem to be any guides focused towards regular trades. It seems that it is "so obvious" or "so simple" that it is not necessary, however, I don't think so. If you're a newbie, you have no idea as to what you're doing, and you don't know the rarity math, you don't know what is the 3-Month Rule and nobody seems to make a proper guide about it rather just leaving everyone to ask other people around. I don't think this is the right angle of approach of "Normal Pets". They're just as important as High Demand pets and they are traded far way more on a daily basis than the Special kind of pets.
So, I decided to take the time to research around, read the last like 2000 pages of the last 3 "How much is this Pet worth" and "Is this a fair trade?" topics together to seek questions and answers about similar questions mentioned previously and make a guide list.
Keep in mind, this is nothing official and it is kind of experimental so don't take it as solid ground for anything unless people find this fair to be used under their own decision and I could keep updating it to its needs.
Now, this chart is purely oriented to give an idea of Non-Listed Rares/Very Rares only which means it does not apply to pets with some kind of special value like List Pets, Special Releases or Store Pets, only Regular Monthly Release or Event Rares/Very Rares. This also skips special values like Malk or Tess pets having more demand and thusly perhaps having more value, I'm talking about regular Dogs, Rats, Horses, Cats, etc. If you give your Dog or a Malk pet more value yourself, that is fine and I'm perfectly ok with it but this list doesn't involve any Demand influence whatsoever, only Rarity and Year.
Without further ado, here is the math board of "Why X Year R/VR for Year YR/VR Trades Don't Work"

*Click to Zoom Image
The board consists of 2 sides. Green Top which is "How Many it is Worth" and Blue Left which is "My/Their Pet".
The math goes like this: 1 2008 Rare is worth 1 2008 Rare, 2 2009 Rares, 1 2009 Very Rare, 4 2010 Rares, and so forth.
Example: If you want to find out let's say how many 2016 Rares would your 2010 Very Rare be worth, you check the 2010 Very Rare column and search for 2016 Rares on top and find that it would be 128 2016 Rares.
I would greatly appreciate if you could submit your vote regarding your opinion of the accuracy of the math that me and my friends did about this, comparing this to what you have seen happen yourself and from help sources and topics and your own personal opinion about this smaller project.
Let's all make a comfortable experience for everyone involved to be used as this is clearly not working at all and we need to discuss as to what is correct here because it is not okay to keep spreading rumors and false values around as it gets transmitted as a disease.
Thank you all involved with this and enjoy!