We check PSA 10 sales data every day for the Japanese cards we track. Each chart below shows the monthly average PSA 10 sold price, the PSA 10 rate and the number of PSA 10s, all from official PSA data.
Still climbing
These rose every month from August to October.
Dark Porygon2 Old Back · Darkness, and to Light No.233
August $402 → September $500 → October $513 (+28% since August).
Zapdos Old Back · Base Set
August $1,500 → September $1,596 → October $1,785 (+19% since August).
Pokepark's Torchic · PokePark Premium File 002/009
August $4,012 → September $4,330 → October $6,454 (+61% since August).
Blissey 1st Edition · HeartGold Collection 054/070
August $698 → September $740 → October $830 (+19% since August).
Team Magma's Groudon EX 1st Edition · Double Crisis 015/034
August $3,230 → September $3,358 → October $3,921 (+21% since August).
Bouncing back
These dipped in September and picked up again in October.
Pretend Boss Pikachu Promo · Sun & Moon Promo 191
August $3,442 → September $2,941 → October $3,100 (+5% since September).
Dark Charizard Old Back · Team Rocket No.006
August $4,376 → September $3,897 → October $4,135 (+6% since September).
Umbreon Gym Promo · Sword & Shield Promo 161
August $266 → September $179 → October $188 (+5% since September).
Gastly 1st Edition · Expedition 019/128
August $358 → September $271 → October $312 (+15% since September).
Sliding
These fell every month. If one is on your list, it now sells for less than it did in August.
Lanturn 1st Edition · Reviving Legends 020/080
August $598 → September $503 → October $374 (-37% since August).
Charmeleon 1st Edition · PokeKyun Collection 004/032
August $241 → September $202 → October $195 (-19% since August).
Nidoran♂ Old Back · Base Set
August $240 → September $173 → October $166 (-31% since August).
Solgaleo & Lunala GX HR · Dream League 070/049
August $261 → September $201 → October $190 (-27% since August).
Holding steady
These barely moved from August to October.
Slowpoke Old Back · Fossil No.079
August $460 → September $578 → October $445 (-3% since August).
Reshiram ex BWR · White Flare 174/086
August $610 → September $586 → October $582 (-5% since August).
Dialga 1st Edition · Legendary Shine Collection 017/027
August $385 → September $353 → October $366 (-5% since August).
Monthly average of PSA 10 sales. October = through October 23. Source: PSA. Past prices do not guarantee future prices.
We also post a weekly version on Instagram at @jpretrogamestore.