2025-26 Topps Signature Class Algorithm Cooper Flagg #AL-21
$151.61est. value (ungraded)
Prices updated 2026-10-16
Based on recorded sold prices how we price cards
Cooper Flagg price history
PSA 10 market value, one reading a day. One-day spikes that reverse the next day are left out.
Recent recorded prices
8 recorded price points for the 2025-26 Topps Signature Class Algorithm Cooper Flagg #AL-21 from our sales and market data.
| Date | Source | Price |
|---|---|---|
| Oct 16, 2026 | Market value | $151.61 |
| Oct 16, 2026 | Market value | $151.61 |
| Oct 15, 2026 | Market value | $151.61 |
| Oct 7, 2026 | Market value | $151.61 |
| Oct 7, 2026 | Market value | $151.61 |
| Oct 7, 2026 | Market value | $151.61 |
| Aug 18, 2026 | Ebay Market | $291.50 |
| Aug 17, 2026 | Market value | $195.47 |
Cooper Flagg prices by grade
| Grade | Value | eBay |
|---|---|---|
| Ungraded | $151.61 | Buy on eBay ↗ |
| PSA 8 | $143.26 | Buy on eBay ↗ |
| PSA 9 | $250.49 | Buy on eBay ↗ |
| Grade 9.5 | $475.54 | Buy on eBay ↗ |
| PSA 10 | $722.70 | Buy on eBay ↗ |
| BGS 10 | $940.00 | Buy on eBay ↗ |
| CGC 10 | $434.00 | Buy on eBay ↗ |
| SGC 10 | $434.00 | Buy on eBay ↗ |
Live on eBay
Affiliate — we may earn a commission2025-26 Topps Signature Class Algorithm Cooper Flagg #AL-21 value & prices
The 2025-26 Topps Signature Class Algorithm Cooper Flagg #AL-21 is a Basketball card. Ungraded copies carry a market value of about $151.61.
An ungraded copy is worth around $151.61, a PSA 9 around $250.49, a PSA 10 (Gem Mint) around $722.70 and a pristine BGS 10 around $940.00. That's roughly a 4.8× 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 $151.61 and top grades reaching $722.70, 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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