2025 Upper Deck Extended Series Killer Keepers Thatcher Demko #KK-5
2026
See all Thatcher Demko cards & values$151.22est. value (ungraded)
Prices updated 2026-10-23
Based on recorded sold prices how we price cards
Thatcher Demko price history
PSA 10 market value, one reading a day. One-day spikes that reverse the next day are left out.
Price by month
Average price of the 2025 Upper Deck Extended Series Killer Keepers Thatcher Demko #KK-5 each month, from 1 recorded price reading. Prices are re-checked regularly; a month's average counts each day from that month's first reading at the price that held that day.
| Month | Source | Average | Range |
|---|---|---|---|
| Oct 2026 | Market value | $151.22 | — |
Thatcher Demko prices by grade
| Grade | Value | eBay |
|---|---|---|
| Ungraded | $151.22 | Buy on eBay ↗ |
| PSA 8 | $141.31 | Buy on eBay ↗ |
| PSA 9 | $246.88 | Buy on eBay ↗ |
| Grade 9.5 | $468.53 | Buy on eBay ↗ |
| PSA 10 | $710.88 | Buy on eBay ↗ |
| BGS 10 | $924.00 | Buy on eBay ↗ |
| CGC 10 | $427.00 | Buy on eBay ↗ |
| SGC 10 | $427.00 | Buy on eBay ↗ |
Live on eBay
Affiliate — we may earn a commission2025 Upper Deck Extended Series Killer Keepers Thatcher Demko #KK-5 value & prices
The 2025 Upper Deck Extended Series Killer Keepers Thatcher Demko #KK-5 is a Hockey card released in 2026. Ungraded copies carry a market value of about $151.22.
An ungraded copy is worth around $151.22, a PSA 9 around $246.88, a PSA 10 (Gem Mint) around $710.88 and a pristine BGS 10 around $924.00. That's roughly a 4.7× premium for a gem-mint copy over raw — one of the clearest signals that condition-sensitive buyers dominate this card's market.
Is it worth grading?
With raw copies near $151.22 and top grades reaching $710.88, grading a sharp copy of this card can clearly pay for itself — the spread comfortably covers a typical ~$25.00 grading fee. The catch: only submit copies with strong centering, clean corners, and unmarked surfaces, because anything below a 9 usually erases the math.
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