PSA Grading Strictness and Pregrading Accuracy

It was very weird. It was like the PSA 7-10 grade range was squished between CGC 8.5-9. CGC to PSA Cross-Grading Result ← the average difference for me was half a grade which is pretty huge, especially when you compare CGC 8.5 prices to PSA 9 or CGC 9.5 prices to PSA 10