Gem Rates

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
Lysandre#104/106	Flashfire	$32.60	11%	$498	15.3×	-52%	49	15
Rowlet#SV2/94	Hidden Fates Shiny Vault	$6.83	58%	$72.99	10.7×	-52%	1,257	64
Magby#024/109	Team Rocket Returns	$79.46	45%	$172	2.2×	-52%	18	—
Jigglypuff#063/101	Hidden Legends	$57.50	33%	$200	3.5×	-52%	10	3
Gouging Fire ex#204/162	Temporal Forces	$61.10	46%	$150	2.5×	-51%	2,384	118
Brute Bonnet#207/182	Paradox Rift	$18.86	38%	$128	6.8×	-51%	894	93
Vaporeon VMAX#030/203	Evolving Skies	$10.06	67%	$64.99	6.5×	-51%	1,527	91
Butterfree VMAX#002/189	Darkness Ablaze	$5.95	80%	$51.88	8.7×	-51%	1,291	65
Serperior ex#164/86	Black Bolt	$57.21	67%	$100	1.7×	-51%	2,466	76
Snorlax#27/64	Jungle	$24.13	8.8%	$573	23.7×	-51%	152	69
Duraludon V#198/203	Evolving Skies	$19.07	60%	$80.00	4.2×	-51%	1,369	39
Simipour#102/86	Black Bolt	$11.23	20%	$225	20×	-51%	59	104
Tapu Lele-GX#SV94/94	Hidden Fates Shiny Vault	$19.54	61%	$79.00	4×	-51%	1,160	21
Ice Rider Calyrex V#164/198	Chilling Reign	$22.06	57%	$87.49	4×	-51%	968	41
Shadow Rider Calyrex V#172/198	Chilling Reign	$26.54	62%	$83.50	3.1×	-51%	1,490	34
Bloodmoon Ursaluna ex#216/167	Twilight Masquerade	$46.48	46%	$135	2.9×	-51%	2,148	64
Gouging Fire ex#214/162	Temporal Forces	$16.04	47%	$100	6.2×	-51%	319	25
Charizard ex#161/225	SVP Black Star Promos	$7.99	17%	$250	31.3×	-51%	876	236
Excadrill ex#168/86	Black Bolt	$25.14	71%	$72.00	2.9×	-51%	1,998	161
Meowth#077/113	Delta Species	$56.05	23%	$285	5.1×	-51%	7	4
Mewtwo EX#052/108	Evolutions	$10.27	44%	$100	9.7×	-51%	2,837	88
Mallow#145/145	Guardians Rising	$33.50	35%	$160	4.8×	-51%	585	22
Hisuian Samurott V#GG51/159	Crown Zenith	$20.01	65%	$74.99	3.7×	-51%	2,849	125
Poochyena#GG33/159	Crown Zenith	$7.30	36%	$117	16.1×	-51%	335	230
Zamazenta V#GG54/159	Crown Zenith	$24.32	62%	$82.25	3.4×	-51%	3,862	131
Alolan Vulpix VSTAR#197/195	Silver Tempest	$25.07	50%	$102	4.1×	-51%	638	32
Kangaskhan#204/182	Destined Rivals	$12.27	29%	$157	12.8×	-51%	1,558	336
Zapdos#044/147	Aquapolis	$54.12	27%	$240	4.4×	-51%	71	3
Pidgeotto#208/197	Obsidian Flames	$11.88	19%	$236	19.9×	-51%	759	224
Mega Lopunny ex#128/94	Phantasmal Flames	$21.69	63%	$79.47	3.7×	-51%	3,962	542
Joltik#196/182	Paradox Rift	$29.00	32%	$165	5.7×	-51%	213	62
Galarian Moltres V#TG20/189	Astral Radiance	$19.65	57%	$86.47	4.4×	-51%	1,369	63
Mega Lucario ex#160/132	Mega Evolution	$14.49	54%	$86.00	5.9×	-51%	5,430	648
Eternatus V#SV121/72	Shining Fates	$5.92	65%	$64.99	11×	-51%	1,506	100
Kabutops#25/75	Neo Discovery	$10.59	21%	$210	19.8×	-51%	40	23
Unown V#177/195	Silver Tempest	$32.23	49%	$113	3.5×	-51%	3,300	80
Altaria-GX#SV77/94	Hidden Fates Shiny Vault	$25.38	61%	$85.99	3.4×	-50%	1,521	17
Charizard EX#11/83	Generations	$24.06	10%	$504	20.9×	-50%	220	15
Vulpix#138/132	Mega Evolution	$20.31	64%	$77.99	3.8×	-50%	7,077	696
Haxorus#147/86	Black Bolt	$75.78	39%	$200	2.6×	-50%	580	74
Lycanroc VMAX#213/203	Evolving Skies	$9.05	79%	$55.80	6.2×	-50%	382	31
Buzzwole-GX#SV68/94	Hidden Fates Shiny Vault	$14.30	63%	$75.00	5.2×	-50%	1,407	47
Carmine#217/167	Twilight Masquerade	$72.81	49%	$155	2.1×	-50%	3,904	71
Aerodactyl VSTAR#199/196	Lost Origin	$15.33	56%	$85.00	5.5×	-50%	849	47
Milotic ex#237/191	Surging Sparks	$143	37%	$300	2.1×	-50%	5,133	238
Magmortar#GG03/159	Crown Zenith	$13.79	31%	$150	10.9×	-50%	882	140
Galarian Zapdos V#TG19/189	Astral Radiance	$13.13	60%	$77.50	5.9×	-50%	998	75
Charizard V#018/159	Crown Zenith	$9.97	45%	$100	10×	-50%	1,689	221
Sandshrew#074/109	Team Rocket Returns	$48.25	53%	$123	2.5×	-50%	20	2
Bewear#079/64	Shrouded Fable	$33.89	37%	$155	4.6×	-50%	474	52