Tyranitar-GX #121 Lost Thunder Price

Tyranitar-GX #121 price, trend & prediction

Tyranitar-GX #121 (Normal, Rare Holo GX) from Lost Thunder (2018) has a market price of $10.86 raw as of October 14, 2026, the TCGplayer market price for this exact printing. It sits well above the set's median card ($0.97), ranking #49 of 377 priced printings. Over the last 30 days the price has held steady (+0.0%), −14.2% over 90 days, +11.0% over 180 days. Its 180-day range is $9.70 to $12.91.

Graded copies of Tyranitar-GX sell for more than raw. A PSA 10 has a recent sale median of $125.51, about 12× the raw price (5 recent sales) — thin data, treat as indicative. PSA 9 copies go for around $42.00, about 3.9× the raw price (9 recent sales). Other grades we track: CGC 9 at $28.50. Graded medians come from recent eBay sold listings and refresh daily.

Tyranitar-GX #121 price prediction: if recent momentum continues, the 30-day trend for this card is downward. Momentum is pointing down: the price is lower across the windows we track (+0.0% over 30 days, +0.0% over 7 days, −14.2% 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.