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 |
|---|---|---|---|---|---|---|---|---|
 Charmeleon#RC4/83 | Generations | $16.93 | 6.6% | $500 | 29.5× | -22% | 42 | 10 |
 Whimsicott ex#165/86 | White Flare |
| $29.28 |
| 61% |
| $70.00 |
| 2.4× |
| -22% |
| 1,046 |
| 21 |
 Darkrai & Cresselia LEGEND#100/102 | Triumphant | $140 | 10% | $1,260 | 9× | -22% | 123 | 4 |
 Iono's Kilowattrel#163/159 | Journey Together | $5.46 | 36% | $65.94 | 12.1× | -22% | 2,626 | 28 |
 Horsea#067/64 | Shrouded Fable | $52.35 | 34% | $175 | 3.3× | -22% | 1,070 | 24 |
 Poipole#SV19/94 | Hidden Fates Shiny Vault | $5.71 | 68% | $35.00 | 6.1× | -22% | 992 | 2 |
 Sylveon GX#092/145 | Guardians Rising | $27.91 | 35% | $118 | 4.2× | -22% | 339 | 2 |
 Allister#179/185 | Vivid Voltage | $5.32 | 54% | $43.99 | 8.3× | -22% | 492 | — |
 Team Rocket's Giovanni#238/182 | Destined Rivals | $35.03 | 50% | $92.50 | 2.6× | -22% | 1,741 | 14 |
 Iron Crown ex#158/131 | Prismatic Evolutions | $37.67 | 40% | $123 | 3.3× | -22% | 926 | 11 |
 Bloodmoon Ursaluna ex#168/131 | Prismatic Evolutions | $82.04 | 31% | $269 | 3.3× | -22% | 1,023 | 15 |
 Milotic ex#237/191 | Surging Sparks | $143 | 37% | $350 | 2.4× | -22% | 5,133 | 71 |
 Raging Bolt ex#166/131 | Prismatic Evolutions | $72.76 | 32% | $235 | 3.2× | -22% | 1,370 | 23 |
 Shadow Rider Calyrex VMAX#204/198 | Chilling Reign | $8.47 | 70% | $37.00 | 4.4× | -22% | 214 | 2 |
 Garchomp & Giratina GX#247/236 | Unified Minds | $120 | 46% | $246 | 2.1× | -22% | 478 | 1 |
 Kecleon#213/191 | Surging Sparks | $8.63 | 31% | $84.00 | 9.7× | -22% | 794 | 16 |
 Kangaskhan EX#103/106 | Flashfire | $34.02 | 4.1% | $1,100 | 32.3× | -23% | 17 | — |
 Zapdos-EX#048/135 | Plasma Storm | $11.26 | 6.6% | $428 | 38× | -23% | 30 | 1 |
 Serena#207/195 | Silver Tempest | $17.36 | 37% | $88.41 | 5.1× | -23% | 406 | 3 |
 Cofagrigus#123/86 | White Flare | $25.20 | 30% | $128 | 5.1× | -23% | 99 | 4 |
 Sudowoodo#219/193 | Paldea Evolved | $31.53 | 22% | $200 | 6.3× | -23% | 562 | 9 |
 Ninetales#015/108 | Evolutions | $5.34 | 3.5% | $675 | 126.4× | -23% | 126 | 3 |
 Woobat#119/86 | White Flare | $13.42 | 24% | $121 | 9× | -23% | 84 | 2 |
 Dendra#266/193 | Paldea Evolved | $10.88 | 43% | $64.10 | 5.9× | -23% | 1,080 | 4 |
 Celebi#003/102 | Triumphant | $9.99 | 11% | $235 | 23.5× | -23% | 39 | 3 |
 Espeon V#180/203 | Evolving Skies | $240 | 50% | $402 | 1.7× | -23% | 6,559 | 11 |
 Vaporeon ex#149/131 | Prismatic Evolutions | $305 | 25% | $1,000 | 3.3× | -23% | 2,266 | 39 |
 Red’s Challenge#213/214 | Unbroken Bonds | $141 | 44% | $291 | 2.1× | -23% | 1,031 | 2 |
 Miriam#251/198 | Scarlet & Violet | $29.36 | 34% | $120 | 4.1× | -24% | 5,779 | 12 |
 Kiawe#144/147 | Burning Shadows | $9.71 | 20% | $135 | 13.9× | -24% | 75 | 1 |
 Minccino#182/162 | Temporal Forces | $28.57 | 40% | $102 | 3.6× | -24% | 488 | 16 |
 Parasol Lady#255/182 | Paradox Rift | $17.93 | 32% | $102 | 5.7× | -24% | 782 | 7 |
 Aerodactyl#16/62 | Fossil | $7.05 | 12% | $206 | 29.3× | -24% | 105 | — |
 Umbreon#13/75 | Neo Discovery | $499 | 1.7% | $23,782 | 47.6× | -24% | 111 | 47 |
 M Rayquaza EX#98/98 | Ancient Origins | $958 | 11% | $6,800 | 7.1× | -24% | 6 | 13 |
 Cradily#03/92 | Legend Maker | $22.01 | 14% | $253 | 11.5× | -24% | 25 | 2 |
 Palpitoad#104/86 | Black Bolt | $18.26 | 18% | $183 | 10× | -24% | 86 | 5 |
 Basic Psychic Energy#207/165 | 151 | $5.51 | 27% | $85.00 | 15.4× | -24% | 494 | — |
 Pansear#099/86 | White Flare | $12.66 | 16% | $173 | 13.6× | -25% | 51 | 3 |
 Drilbur#124/86 | Black Bolt | $6.84 | 27% | $89.77 | 13.1× | -25% | 60 | 2 |
 Noibat#169/159 | Journey Together | $6.87 | 31% | $77.00 | 11.2× | -25% | 1,288 | 20 |
 Stoutland#156/86 | White Flare | $36.24 | 23% | $199 | 5.5× | -25% | 55 | 4 |
 Duskull#068/64 | Shrouded Fable | $59.98 | 38% | $170 | 2.8× | -25% | 1,742 | 32 |
 Honey#192/198 | Chilling Reign | $6.09 | 52% | $45.00 | 7.4× | -25% | 198 | — |
 Flareon ex#014/131 | Prismatic Evolutions | $5.80 | 35% | $65.56 | 11.3× | -25% | 735 | 34 |
 Giovanni's Charisma#197/165 | 151 | $5.04 | 27% | $84.50 | 16.8× | -25% | 715 | 1 |
 Nessa#183/185 | Vivid Voltage | $9.99 | 52% | $50.00 | 5× | -25% | 1,944 | 9 |
 Magneton#26/62 | Fossil | $5.38 | 16% | $143 | 26.6× | -25% | 100 | 2 |
Grade ROI assumes a flat ~$25 grading fee. Run the exact numbers
