Sigilyph-GX #098 Lost Thunder Holofoil Price

Sigilyph-GX #098 price, trend & prediction

Sigilyph-GX #098 (Holofoil, Rare Holo GX) from Lost Thunder (2018) has a market price of $2.44 raw as of October 14, 2026, the TCGplayer market price for this exact printing. For context, the median Lost Thunder card is $0.97; this one ranks #121 of 377 priced printings. Over the last 30 days the price has held steady (+1.7%), +14.6% over 90 days. Its 180-day range is $1.95 to $2.47 — it is trading near the top of that range.

Graded copies of Sigilyph-GX sell for more than raw. PSA 9 copies go for around $18.33, about 7.5× the raw price (2 recent sales) — thin data, treat as indicative. Other grades we track: PSA 5 at $7.50, CGC 8.5 at $5.50. Graded medians come from recent eBay sold listings and refresh daily.

Sigilyph-GX #098 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 (+1.7% over 30 days, +1.7% over 7 days, +14.6% 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.