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 |
|---|---|---|---|---|---|---|---|---|
 Poliwrath#H24/144 | Skyridge | $400 | 19% | $5,394 | 13.5× | +137% | 135 | 4 |
 Ho-Oh#09/95 | Call of Legends |
| $20.31 |
| 5.3% |
| $2,026 |
| 99.8× |
| +136% |
| 23 |
| 3 |
 Gengar ex#104/162 | Temporal Forces | $5.43 | 38% | $188 | 34.6× | +135% | 1,156 | 27 |
 Marshadow#146/132 | Mega Evolution | $19.86 | 62% | $171 | 8.6× | +135% | 10,561 | 137 |
 Metagross V#181/198 | Chilling Reign | $5.55 | 62% | $115 | 20.7× | +135% | 209 | 2 |
 Igglybuff#36/53 | Wizards Black Star Promos | $13.51 | 37% | $246 | 18.2× | +135% | 550 | 8 |
 Pikachu V#170/185 | Vivid Voltage | $43.81 | 58% | $279 | 6.4× | +134% | 3,372 | 23 |
 Lugia EX#68/98 | Ancient Origins | $16.34 | 25% | $388 | 23.7× | +134% | 339 | 2 |
 Jirachi GX#079/236 | Unified Minds | $11.73 | 57% | $150 | 12.8× | +134% | 296 | 2 |
 Sigilyph GX#222/214 | Lost Thunder | $8.78 | 32% | $250 | 28.5× | +134% | 48 | — |
 Hoopa EX#89/98 | Ancient Origins | $50.54 | 30% | $585 | 11.6× | +134% | 177 | 3 |
 Pikachu#GG30/159 | Crown Zenith | $56.39 | 31% | $612 | 10.9× | +133% | 3,869 | 137 |
 Greninja GX#SM197/248 | SM Black Star Promos | $39.07 | 37% | $409 | 10.5× | +133% | 231 | 9 |
 Mega Meganium ex#272/217 | Ascended Heroes | $104 | 71% | $423 | 4.1× | +133% | 134 | 10 |
 Gyarados GX#101/111 | Crimson Invasion | $24.75 | 35% | $330 | 13.3× | +133% | 378 | 1 |
 Steelix#H29/144 | Skyridge | $200 | 25% | $2,070 | 10.4× | +132% | 156 | 1 |
 Exeggutor#13/18 | Southern Islands | $31.65 | 26% | $507 | 16× | +131% | 244 | 6 |
 Voltorb#080/109 | Team Rocket Returns | $46.99 | 49% | $338 | 7.2× | +128% | 18 | 1 |
 Dreepy#247/217 | Ascended Heroes | $11.81 | 54% | $154 | 13.1× | +128% | 38 | 6 |
 Exeggutor#H10/147 | Aquapolis | $162 | 7% | $6,086 | 37.5× | +127% | 40 | 2 |
 Walrein#015/101 | Hidden Legends | $39.34 | 22% | $667 | 17× | +127% | 42 | 2 |
 Umbreon GX#080/149 | Sun & Moon | $31.14 | 25% | $500 | 16.1× | +127% | 932 | 4 |
 M Gyarados EX#115/122 | BREAKpoint | $109 | 22% | $1,399 | 12.9× | +127% | 774 | 9 |
 Sceptile EX#07/98 | Ancient Origins | $7.57 | 41% | $180 | 23.8× | +126% | 99 | 1 |
 Shining Arceus#57/73 | Shining Legends | $26.47 | 30% | $390 | 14.7× | +126% | 1,813 | 24 |
 Gyarados EX#123/122 | BREAKpoint | $168 | 17% | $2,600 | 15.5× | +125% | 1,440 | 13 |
 Victini VMAX#165/163 | Battle Styles | $20.85 | 64% | $162 | 7.8× | +125% | 235 | — |
 Latios GX#078/236 | Unified Minds | $9.16 | 51% | $152 | 16.6× | +125% | 263 | — |
 Jirachi#008/101 | Hidden Legends | $70.34 | 9.1% | $2,363 | 33.6× | +125% | 81 | 5 |
 Dialga GX#164/156 | Ultra Prism | $42.74 | 43% | $350 | 8.2× | +125% | 373 | 1 |
 Alolan Ninetales GX#132/145 | Guardians Rising | $25.39 | 42% | $270 | 10.6× | +125% | 269 | 2 |
 Snorlax#33/95 | Call of Legends | $68.21 | 6.9% | $3,030 | 44.4× | +124% | 6 | 1 |
 Lillie's Clefairy ex#280/217 | Ascended Heroes | $205 | 71% | $718 | 3.5× | +123% | 326 | 22 |
 Pikachu#TG05/196 | Lost Origin | $57.27 | 23% | $810 | 14.1× | +122% | 3,771 | 135 |
 Umbreon#32/75 | Neo Discovery | $70.64 | 8.9% | $2,393 | 33.9× | +122% | 123 | 7 |
 Articuno GX#154/168 | Celestial Storm | $29.42 | 57% | $213 | 7.2× | +121% | 229 | — |
 Raichu#29/62 | Fossil | $9.35 | 11% | $666 | 71.2× | +121% | 140 | 3 |
 Dragonite GX#152/236 | Unified Minds | $18.20 | 50% | $193 | 10.6× | +121% | 398 | 3 |
 Radiant Charizard#011/78 | Pokémon GO | $26.95 | 57% | $200 | 7.4× | +119% | 11,512 | 70 |
 Mewtwo EX#062/162 | BREAKthrough | $9.46 | 27% | $280 | 29.6× | +119% | 207 | 2 |
 Beedrill#017/102 | Base | $5.51 | 29% | $230 | 41.7× | +119% | 41 | — |
 Fezandipiti ex#288/217 | Ascended Heroes | $71.99 | 76% | $280 | 3.9× | +118% | 143 | 9 |
 Vileplume ex#100/101 | Hidden Legends | $135 | 19% | $1,841 | 13.6× | +118% | 113 | 3 |
 Ditto#17/18 | Detective Pikachu | $10.86 | 27% | $290 | 26.7× | +118% | 175 | 3 |
 Seismitoad#021/86 | Black Bolt | $11.72 | 50% | $160 | 13.7× | +118% | 14 | — |
 Charizard GX#09/68 | Hidden Fates | $12.59 | 61% | $134 | 10.7× | +118% | 11,806 | 54 |
 Flying Pikachu VMAX#07/25 | Celebrations | $8.48 | 73% | $99.97 | 11.8× | +118% | 8,669 | 91 |
 Gardevoir#RC10/113 | Legendary Treasures | $12.58 | 4.1% | $2,000 | 159× | +117% | 20 | 5 |
 Holon's Voltorb#071/113 | Delta Species | $19.23 | 29% | $328 | 17× | +117% | 12 | — |
 M Altaria EX#121/124 | Fates Collide | $26.60 | 30% | $370 | 13.9× | +116% | 411 | 2 |
Grade ROI assumes a flat ~$25 grading fee. Run the exact numbers
