Sigilyph GX (Secret)
Pokémon · SM - Lost Thunder · Secret Rare · 222/214
Released 2018-11-02
$8.85
30-day forecast: $8.85
Live Pokémon price tracking, buyout detection, and price predictions for Sigilyph GX (Secret) on TCG Collector Tools.
Prices Across Marketplaces
TCGplayer (market)
$8.85
TCGplayer (mid)
$10.98
TCGplayer (low)
$8.85
Price Forecast
| Horizon | Forecast | vs Today |
|---|---|---|
| 7 days (stable) | $8.85 | +0.0% |
| 30 days (stable) | $8.85 | +0.0% |
| 90 days | $8.65 | -2.3% |
| 180 days | $8.65 | -2.3% |
| 1 year | $8.65 | -2.3% |
Confidence: Pattern Sniffed · Calibrated 30-day range $7.87–$9.83 · vintage card · veryLow volatility
Our Forecast Track Record
What we predicted for this card, and what actually happened. We publish misses as well as hits. Anchored 2026-04-09 · at $8.43 · 156 days ago.
| Horizon | We predicted | Actual | Error |
|---|---|---|---|
| Day 7 | $7.68 | $6.99 | -9.0% |
| Day 30 | $7.44 | $6.99 | -6.0% |
| Day 90 | $7.44 | $8.19 | +10.1% |
Signal Analysis
HOLD
Conviction 50/100 · Target $8.85 · Range $7.97–$9.74 · over 30d
Mixed signals. Monitor for clearer direction.
Recent Price History
$8.85
$8.85
$8.85
$8.85
$8.85
$8.85
$8.85
Frequently Asked Questions
How much is Sigilyph GX (Secret) worth?
Sigilyph GX (Secret) is currently $8.85 on TCGplayer for the SM - Lost Thunder printing. Prices update daily from live marketplace data.
Is Sigilyph GX (Secret) going up or down in price?
Our 30-day forecast for Sigilyph GX (Secret) is $8.85, with a stable trend (data confidence: Pattern Sniffed).