A Pikachu with only 19 PSA 10s. Why I am still not in a rush to buy it [Thorough investigation of BW/XY Unlimited]

Hello everyone. This is Dyna.Suddenly, if you heard that there is a Pikachu with only 19 PSA 10s registered in the official ...

Correlation between Pokemon Card Near Mint and PSA 10: Daily movement correlation is currently 0.00, yet 30-day price changes show 0.86. They move separat…

The correlation of daily price change rates between the Near Mint index and the PSA 10 index. Calculated over the last 60 ...