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 |
|---|---|---|---|---|---|---|---|---|
 Alakazam#003 | MEP Black Star Promos | $21.12 | 26% | $600 | 28.4× | +238% | 58 | 4 |
 Tyrogue#033/115 | Unseen Forces |
| $36.75 |
| 64% |
| $325 |
| 8.8× |
| +237% |
| 16 |
| — |
 Giovanni's Last Resort#105/132 | Gym Challenge | $9.78 | 24% | $475 | 48.5× | +234% | 22 | 2 |
 Blaziken GX#028/168 | Celestial Storm | $11.00 | 47% | $253 | 23× | +233% | 165 | 2 |
 Ho-oh#52/53 | Wizards Black Star Promos | $46.21 | 32% | $730 | 15.8× | +231% | 363 | 15 |
 Mega Gengar ex#269/217 | Ascended Heroes | $73.01 | 73% | $445 | 6.1× | +231% | 915 | 114 |
 Jolteon#008/115 | Unseen Forces | $55.90 | 18% | $1,463 | 26.2× | +231% | 94 | 4 |
 Metagross ex#095/108 | Power Keepers | $60.33 | 9% | $3,125 | 51.8× | +228% | 93 | 7 |
 Pikachu#020/108 | Roaring Skies | $6.01 | 18% | $572 | 95.1× | +228% | 60 | 3 |
 Mega Clefable ex#119/88 | Perfect Order | $70.84 | 79% | $393 | 5.5× | +222% | 37 | 14 |
 Smeargle#21/95 | Call of Legends | $5.92 | 19% | $520 | 87.8× | +222% | 27 | — |
 Incineroar GX#167/181 | Team Up | $7.93 | 52% | $203 | 25.5× | +222% | 102 | — |
 Espeon EX#117/122 | BREAKpoint | $73.98 | 21% | $1,500 | 20.3× | +221% | 591 | 3 |
 Reshiram#017/116 | Plasma Freeze | $8.00 | 13% | $815 | 101.9× | +220% | 11 | 1 |
 Stantler#102/144 | Skyridge | $6.50 | 53% | $188 | 28.9× | +217% | 49 | 1 |
 Mega Froslass ex#265/217 | Ascended Heroes | $14.42 | 61% | $203 | 14.1× | +214% | 92 | 15 |
 Articuno GX#031/168 | Celestial Storm | $9.18 | 49% | $220 | 23.9× | +212% | 136 | 1 |
 Latios EX#XY72/211 | XY Black Star Promos | $12.69 | 12% | $975 | 76.8× | +212% | 54 | 7 |
 Hoopa EX#36/98 | Ancient Origins | $6.17 | 52% | $188 | 30.4× | +212% | 131 | 3 |
 Beedrill#001/112 | FireRed & LeafGreen | $19.99 | 15% | $927 | 46.4× | +211% | 63 | 8 |
 Mega Dragonite ex#271/217 | Ascended Heroes | $55.28 | 71% | $348 | 6.3× | +210% | 587 | 75 |
 Lugia EX#94/98 | Ancient Origins | $211 | 16% | $4,395 | 20.8× | +206% | 475 | 11 |
 Budew#221/217 | Ascended Heroes | $10.58 | 57% | $190 | 18× | +206% | 47 | 11 |
 Mega Emboar ex#273/217 | Ascended Heroes | $73.30 | 74% | $409 | 5.6× | +206% | 89 | 16 |
 Rotom#007/106 | Great Encounters | $20.13 | 26% | $525 | 26.1× | +203% | 44 | 5 |
 Beautifly#219/217 | Ascended Heroes | $8.02 | 56% | $180 | 22.4× | +203% | 15 | 9 |
 Palkia#19/95 | Call of Legends | $9.75 | 11% | $937 | 96.1× | +203% | 22 | 4 |
 Mega Diancie ex#267/217 | Ascended Heroes | $8.67 | 66% | $153 | 17.6× | +198% | 73 | 14 |
 Rayquaza VMAX#111/203 | Evolving Skies | $13.49 | 67% | $172 | 12.8× | +198% | 2,795 | 30 |
 Gengar#085/202 | Sword & Shield | $14.57 | 33% | $360 | 24.7× | +197% | 231 | — |
 Raichu#H25/144 | Skyridge | $252 | 19% | $4,240 | 16.8× | +196% | 133 | — |
 Lugia BREAK#079/124 | Fates Collide | $26.13 | 30% | $500 | 19.1× | +195% | 486 | 3 |
 Lugia V#138/195 | Silver Tempest | $15.06 | 47% | $249 | 16.5× | +195% | 4,451 | 62 |
 Surfing Pikachu#111/108 | Evolutions | $11.00 | 22% | $475 | 43.2× | +194% | 1,950 | 17 |
 Voltorb#067/102 | Base | $5.57 | 51% | $175 | 31.4× | +193% | 61 | 2 |
 Articuno ex#114/112 | FireRed & LeafGreen | $51.99 | 17% | $1,325 | 25.5× | +193% | 216 | 1 |
 Kyurem EX#86/98 | Ancient Origins | $35.92 | 23% | $780 | 21.7× | +191% | 171 | 1 |
 Mewtwo GX#SM196/248 | SM Black Star Promos | $19.60 | 43% | $303 | 15.5× | +191% | 522 | 6 |
 Machamp#095/102 | Triumphant | $46.37 | 9.4% | $2,156 | 46.5× | +185% | 139 | 4 |
 Greninja GX#024/131 | Forbidden Light | $17.81 | 48% | $250 | 14× | +182% | 177 | 2 |
 Mega Hawlucha ex#283/217 | Ascended Heroes | $76.56 | 69% | $415 | 5.4× | +181% | 108 | 11 |
 Blastoise#031/149 | Boundaries Crossed | $21.64 | 7.3% | $1,800 | 83.2× | +181% | 15 | 1 |
 Rayquaza GX#109/168 | Celestial Storm | $38.87 | 40% | $450 | 11.6× | +181% | 392 | 5 |
 Mewtwo EX#158/162 | BREAKthrough | $72.14 | 18% | $1,550 | 21.5× | +180% | 398 | 2 |
 Latias & Latios GX#113/181 | Team Up | $66.95 | 40% | $650 | 9.7× | +180% | 1,348 | 5 |
 Team Rocket's Meowth#18/53 | Wizards Black Star Promos | $36.18 | 53% | $323 | 8.9× | +179% | 1,832 | 80 |
 Scizor GX#158/168 | Celestial Storm | $31.05 | 52% | $297 | 9.6× | +177% | 173 | — |
 Psyduck#20/53 | Wizards Black Star Promos | $80.44 | 39% | $750 | 9.3× | +175% | 1,081 | 35 |
 Meowth#106/94 | Phantasmal Flames | $24.85 | 46% | $300 | 12.1× | +174% | 6,582 | 221 |
 Arceus#AR3/99 | Arceus | $32.77 | 6.5% | $2,451 | 74.8× | +174% | 38 | 8 |
Grade ROI assumes a flat ~$25 grading fee. Run the exact numbers
