Gym Heroes

Highest value first. Raw = ungraded, near mint. A dash means no second reading yet.

Card	Rarity	Raw	1D	30D	Trend	PSA 10
Misty's Goldeen 85	Common	£1.70	+1.8%	+6.2%		£67.89
Lt. Surge's Spearow 83	Common	£1.66	+40.7%	+33.9%		£20.26
Trash Exchange 126	Common	£1.65	-6.3%	+2.5%		£88.15
Erika's Exeggcute 77	Common	£1.59	+10.4%	+26.2%		£33.73
Brock's Onix 69	Common	£1.56	+6.1%	+7.6%		£61.64
Erika's Bellsprout 76	Common	£1.54	+20.3%	+30.5%		£40.70
Psychic Energy 131 1st Edition	—	£1.54	-21.2%	-31.2%		£463
Erika's Tangela 79	Common	£1.46	-2.0%	-2.0%		£73.12
Narrow Gym 124	Common	£1.38	—	—		£56.26
Lt. Surge's Rattata 82	Common	£1.37	-3.5%	+17.1%		£68.46
Erika's Bellsprout 75	Common	£1.35	-4.3%	-3.6%		£19.13
Brock's Rhyhorn 70	Common	£1.32	+12.8%	-7.7%		£20.09
Grass Energy 129 1st Edition	—	£1.31	-6.4%	-27.4%		£28.70
Blaine's Gamble 121	Common	£1.30	—	—		£44.39
Brock's Zubat 74	Common	£1.30	-10.3%	-12.8%		£63.80
Misty's Poliwag 87	Common	£1.29	-14.6%	-9.2%		£29.99
Misty's Horsea 86	Common	£1.26	+6.8%	+7.7%		£111
Brock's Mankey 68	Common	£1.25	-30.2%	-32.1%		£25.77
Misty's Shellder 89	Common	£1.22	+2.5%	+4.3%		£91.23
Misty's Staryu 90	Common	£1.22	-15.3%	+4.3%		£36.99
Lt. Surge's Magnemite 80	Common	£1.20	-13.0%	-10.4%		£39.76
Lt. Surge's Voltorb 84	Common	£1.19	-16.8%	-3.3%		£57.21
Brock's Mankey 67	Common	£1.17	-18.8%	-17.6%		£59.59
Brock's Geodude 66	Common	£1.17	-14.0%	-19.9%		£43.22
Lightning Energy 130	—	£1.12	-3.9%	+62.0%		£15.01
Psychic Energy 131	—	£1.08	-17.2%	-2.0%		£75.79
Grass Energy 129	—	£0.98	-3.0%	+21.5%		£24.76
Fighting Energy 127	—	£0.97	+29.0%	+20.6%		£87.79
Water Energy 132	—	£0.97	+4.0%	-20.9%		£60.47
Energy Flow 122	Common	£0.79	+5.0%	+10.5%		£41.55

Which rarities carry this set's value. Share is the tier's raw cards as a fraction of the whole set. The PSA 10 premium is the median multiple over raw within the tier — cards under £5 raw are excluded from it, and a tier with fewer than three qualifying cards shows no premium rather than a misleading one.