Porygon #137

Showing weekly fair value for PSA 10. Shaded area is the confidence band: how precisely we can pin the value; it tightens as more sales confirm it. Dots are individual sales. Confidence band: how precisely we can pin the fair value. It widens when sales scatter and narrows as more sales back the value up. The dots show the actual sale prices.

Implied fair value at each grade, on a log scale that spans the full range from raw (Near Mint) at $0 up to gem-mint at $41.

Every grade we track for this printing. Click any column header to sort; the rightmost column jumps you to listings for that grade.

Most recent transactions from public auction comps and dealer reporting. Showing 1 of 1; delta vs fair value is the difference between the sale price and the grade's quoted fair value on that date.

• Oct 14, 2025PSA10
  $42↑2.7%
  via ebay

15 graded copies of Porygon Normal across 3 grades. The selected grade is highlighted.

PSA 10 makes up 60% of graded copies: 9 of 15. It’s the most common grade for this card.

How PSA 10 has moved relative to 151 · Normal · Composite since May 10, 2026. Both indexed to 100 at the index’s inception. Card underperformed by 26.6 pp.