Prices are not stable.
Consider that you’ll ever find someone selling for a really cheap price and someone buying for an incredible high price.
White
Mini whiptail devourers 5k (it’s the less wanted minipet)
Mini necrid horsemen 10-20k
Mini jade armors 15-20k
Mini siege turtles 15-20k
Mini hydras 10-15k
Mini trolls 5k
Mini temple guardians 10-15k
Mini fungal wallows 5k-8k
Purple
Mini kirins 15-25k
Mini charr shamans 15-30k
Mini burning titans 15-25k
Gold
Shiro Tagachi minipets 45-70k
Prince Rurik minipets 45-70k
Green
Mini Kuunavang dragons 145-185k (really hot, many people try to buy it for about 100k to resell it)
Mini bone dragons 225-315k (rare, hot)
Nightfall Minipets
Varesh minipets 10-20k (market is flooded of mini Varesh)
Mini gray giants 10-20k
*****
Other Minipets (from other ingame sources & prizes):
Mallyx minipets 1000-1100k
Mini pigs 5k (even less, very common)
Mini Ghostly Hero 5000k+
Mini Greased Lightning 2500-3000k
Mini Longhair Yeti 1000-1300k
Mini Naga Raincaller 1000-1300k
Mini Oni 1000-1300k
Mini Island Guardian 5000k+
Mini Panda 5000k+
Mini Kanaxai 7000k+
Mini Asura 100k
**Note**
THIS IS ONLY A GUIDE TO THE MARKET:
You can decide a price for yourself, these are fair prices for each person on the end of the trade