Pokémon price barometer: September 2026
From September 1, 2026 to September 30, 2026. Market value of raw cards tracked daily; 2393 cards traded often enough to be measured (TCGplayer US market prices).
Biggest gains of the month
| Card | Value (USD) | Month |
|---|---|---|
 Pikachu XY89XY Black Star Promos | $45.44 | +55.7% |
 Dialga LV.X DP17DP Black Star Promos | $249 | +45.4% |
 Blaziken FB LV.X 142Supreme Victors | $160 | +40.5% |
 Treecko 16Nintendo Black Star Promos | $49.77 | +39.8% |
 Gengar 17Arceus | $97.71 | +36.4% |
 Mewtwo 10Base Set | $86.16 | +31.9% |
 Dragonite 19Fossil | $38.59 | +31.0% |
 Trevenant & Dusknoir-GX SM217SM Black Star Promos | $34.31 | +27.9% |
 Magneton 11Fossil | $67.15 | +27.6% |
 Swampert 13Ruby & Sapphire | $87.13 | +27.0% |
Biggest drops of the month
| Card | Value (USD) | Month |
|---|---|---|
 Meowth 106Phantasmal Flames | $13.81 | -28.1% |
 Arven's Mabosstiff ex 235Destined Rivals | $19.79 | -24.5% |
 Mega Charizard X ex 109Phantasmal Flames | $20.93 | -24.5% |
 Pansage 89Black Bolt | $15.63 | -21.4% |
 Ninetales 199Obsidian Flames | $34.41 | -21.2% |
 Ash's Pikachu SM108SM Black Star Promos | $29.53 | -20.3% |
 Ethan's Ho-Oh ex 239Destined Rivals | $19.49 | -20.2% |
 Snorlax 27Jungle | $23.40 | -19.8% |
 Litwick 101White Flare | $24.82 | -19.1% |
 Moltres & Zapdos & Articuno-GX 44Hidden Fates | $48.23 | -19.1% |
Sets that moved the most
| Sets going up | Median change |
|---|---|
| Call of Legends (8) | +13.1% |
| BW Black Star Promos (8) | +7.0% |
| Expedition Base Set (21) | +6.2% |
| Fossil (15) | +5.7% |
| Neo Discovery (8) | +5.5% |
| Sets going down | Median change |
|---|---|
| Phantasmal Flames (11) | -13.2% |
| Journey Together (13) | -11.0% |
| Destined Rivals (33) | -9.6% |
| Mega Evolution (27) | -8.2% |
| Obsidian Flames (18) | -8.1% |
Method: starting price = median of the prices recorded over the 10 days before the 1st of the month; ending price = median of the last 7 days. Only cards worth at least $5 whose price changed at least 5 times over the last 14 days (a sign of regular sales), with no swing above 50% over that period, are measured: a rare card that sells twice a month gives an unstable price. Index = sum of the prices of the 100 most expensive measured cards at the start. Up or down: a change of more than 1%. Sets: median change, sets with at least 8 measured cards. Public US market data (TCGplayer via pokemontcg.io). Each issue is frozen when published. Not investment advice.
Other months: October 2026
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