Cards ranked by grading upside — PSA gem rate, raw-to-PSA-10 multiple, and probability-weighted grading ROI. Including thin, low-sale markets.
| Card | Set | Raw | Gem rate | PSA 10 | Multiple | Grade ROI | Pop 10 | Sales 30D |
|---|---|---|---|---|---|---|---|---|
 Garchomp ex#219/182 | Paradox Rift | $8.09 | 38% | $76.00 | 9.4× | -13% | 411 | 4 |
 Iron Valiant ex#261/182 | Paradox Rift |
| $5.82 |
| 35% |
| $75.90 |
| 13× |
| -13% |
| 303 |
| 4 |
 Mantyke#189/182 | Paradox Rift | $40.01 | 38% | $148 | 3.7× | -13% | 955 | 9 |
 Giratina VSTAR#GG69/159 | Crown Zenith | $433 | 55% | $723 | 1.7× | -14% | 23,049 | 128 |
 Zapdos#15/62 | Fossil | $40.22 | 2.5% | $2,275 | 56.6× | -14% | 121 | 45 |
 Mega Gardevoir ex#159/132 | Mega Evolution | $5.22 | 58% | $45.00 | 8.6× | -14% | 2,515 | 45 |
 Tangela#178/165 | 151 | $21.37 | 29% | $140 | 6.6× | -14% | 1,471 | 13 |
 Leafeon V#167/203 | Evolving Skies | $147 | 55% | $270 | 1.8× | -14% | 6,320 | 13 |
 Team Rocket's Giovanni#225/182 | Destined Rivals | $8.74 | 55% | $52.50 | 6× | -14% | 1,150 | 15 |
 Mimikyu GX#226/214 | Lost Thunder | $233 | 32% | $690 | 3× | -14% | 170 | 1 |
 Alolan Exeggutor ex#242/191 | Surging Sparks | $35.83 | 37% | $140 | 3.9× | -14% | 3,194 | 39 |
 Beheeyem#121/86 | Black Bolt | $6.32 | 14% | $197 | 31.1× | -14% | 27 | 1 |
 Meowscarada ex#256/193 | Paldea Evolved | $37.18 | 50% | $108 | 2.9× | -14% | 2,196 | 18 |
 Zorua#SV25/94 | Hidden Fates Shiny Vault | $10.48 | 65% | $47.05 | 4.5× | -14% | 1,117 | — |
 Zamazenta V#TG22/189 | Astral Radiance | $8.89 | 58% | $50.00 | 5.6× | -14% | 329 | 8 |
 Mega Charizard X ex#130/94 | Phantasmal Flames | $361 | 11% | $2,917 | 8.1× | -14% | 1,277 | 118 |
 Entei#17/64 | Neo Revelation | $20.32 | 19% | $203 | 10× | -14% | 63 | 1 |
 Rufflet#154/86 | Black Bolt | $8.16 | 31% | $90.50 | 11.1× | -14% | 98 | 2 |
 Carracosta#107/86 | Black Bolt | $10.28 | 23% | $130 | 12.6× | -14% | 69 | 10 |
 Salamence ex#103/107 | Deoxys | $189 | 6.2% | $2,950 | 15.6× | -14% | 41 | — |
 Alolan Exeggutor ex#248/191 | Surging Sparks | $10.85 | 41% | $75.00 | 6.9× | -14% | 1,056 | 11 |
 Koffing#114/165 | Expedition Base Set | $5.57 | 37% | $69.95 | 12.6× | -14% | 49 | 1 |
 Perrin#209/167 | Twilight Masquerade | $5.47 | 44% | $59.71 | 10.9× | -14% | 549 | 6 |
 Whitney#214/214 | Lost Thunder | $92.83 | 33% | $302 | 3.3× | -14% | 442 | 2 |
 Sawsbuck#166/162 | Temporal Forces | $61.02 | 37% | $200 | 3.3× | -15% | 1,497 | 18 |
 Dragonite GX#248/236 | Unified Minds | $130 | 40% | $333 | 2.6× | -15% | 509 | — |
 Kirlia#SV35/94 | Hidden Fates Shiny Vault | $6.09 | 65% | $41.00 | 6.7× | -15% | 1,019 | 2 |
 Carmine#217/167 | Twilight Masquerade | $72.32 | 49% | $169 | 2.3× | -15% | 3,904 | 27 |
 Roxanne#188/189 | Astral Radiance | $5.78 | 50% | $52.50 | 9.1× | -15% | 405 | — |
 Irida#GG63/159 | Crown Zenith | $8.60 | 53% | $54.00 | 6.3× | -15% | 2,502 | 25 |
 Gothita#124/86 | White Flare | $24.61 | 26% | $163 | 6.6× | -15% | 109 | 3 |
 Lady#SV86/94 | Hidden Fates Shiny Vault | $14.88 | 68% | $49.99 | 3.4× | -15% | 1,757 | 2 |
 Sylveon ex#156/131 | Prismatic Evolutions | $532 | 29% | $1,650 | 3.1× | -15% | 3,173 | 50 |
 Scizor-GX#SV72/94 | Hidden Fates Shiny Vault | $79.10 | 63% | $140 | 1.8× | -15% | 3,206 | 11 |
 N's Zorua#189/225 | SVP Black Star Promos | $11.80 | 35% | $90.00 | 7.6× | -15% | 2,401 | 83 |
 Rotom V#177/196 | Lost Origin | $30.94 | 46% | $103 | 3.3× | -15% | 1,582 | 1 |
 Lillipup#154/86 | White Flare | $36.99 | 19% | $274 | 7.4× | -15% | 126 | 7 |
 Ferroseed#148/86 | White Flare | $6.28 | 21% | $125 | 19.9× | -15% | 34 | — |
 Durant#150/86 | White Flare | $8.44 | 28% | $100 | 11.8× | -15% | 83 | 3 |
 Erika's Invitation#203/165 | 151 | $22.00 | 28% | $143 | 6.5× | -15% | 4,751 | 6 |
 Karen's Conviction#193/198 | Chilling Reign | $13.96 | 51% | $64.94 | 4.7× | -15% | 323 | — |
 Mewtwo EX#164/162 | BREAKthrough | $172 | 7.8% | $2,125 | 12.4× | -15% | 262 | 8 |
 Meltan#179/162 | Temporal Forces | $6.28 | 41% | $64.39 | 10.3× | -15% | 311 | 8 |
 Lillie's Ribombee#164/159 | Journey Together | $6.16 | 33% | $79.00 | 12.8× | -15% | 2,113 | 31 |
 Deoxys δ#003/110 | Holon Phantoms | $66.36 | 10% | $763 | 11.5× | -16% | 58 | 10 |
 Irida#204/189 | Astral Radiance | $9.74 | 58% | $50.72 | 5.2× | -16% | 335 | — |
 Guzzlord#SV26/94 | Hidden Fates Shiny Vault | $5.00 | 65% | $38.99 | 7.8× | -16% | 923 | 3 |
 Bramblin#198/193 | Paldea Evolved | $10.71 | 22% | $135 | 12.6× | -16% | 180 | 3 |
 Sonia#203/192 | Rebel Clash | $13.65 | 78% | $41.50 | 3× | -16% | 671 | 2 |
 Pidgey#207/197 | Obsidian Flames | $24.35 | 23% | $180 | 7.4× | -16% | 1,317 | 28 |
Grade ROI assumes a flat ~$25 grading fee. Run the exact numbers
