Koga's Grimer #078 Gym Challenge 1st Edition Price

Koga's Grimer #078 price, trend & prediction

Koga's Grimer #078 (1st Edition, Common) from Gym Challenge (2000) has a market price of $4.65 raw as of October 10, 2026, the TCGplayer market price for this exact printing. For context, the median Gym Challenge card is $6.00; this one ranks #155 of 263 priced printings. Over the last 30 days the price has edged up (+3.6%), +2.6% in the last week, +18.6% over 90 days. Its 180-day range is $3.88 to $4.65 — it is trading near the top of that range.

Koga's Grimer #078 price prediction: if recent momentum continues, the 30-day trend for this card is upward. Momentum is pointing up: the price is higher across the windows we track (+3.6% over 30 days, +2.6% over 7 days, +18.6% over 90 days). This is a read of past price moves, not a model forecast and not investment advice — see the forecast methodology and public accuracy scoreboard for how our ML outlooks are built and scored.