Mastemon (Alternate Art)
Digimon · Hackers' Slumber · Secret Rare · BT23-102 SEC
Released 2025-10-24
$39.70
30-day forecast: $39.86
Live Digimon price tracking, buyout detection, and price predictions for Mastemon (Alternate Art) on TCG Collector Tools.
Prices Across Marketplaces
Price Forecast
| Horizon | Forecast | vs Today |
|---|---|---|
| 7 days (stable) | $39.67 | -0.1% |
| 30 days (stable) | $39.86 | +0.4% |
| 90 days | $47.53 | +19.7% |
| 180 days | $48.45 | +22.0% |
| 1 year | $50.34 | +26.8% |
Confidence: Something's Brewing · Calibrated 30-day range $34.95–$44.77 · new 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 $54.99 · 155 days ago.
| Horizon | We predicted | Actual | Error |
|---|---|---|---|
| Day 7 | $54.13 | $56.00 | +3.5% |
| Day 30 | $53.26 | $59.02 | +10.8% |
| Day 90 | $54.42 | $53.19 | -2.3% |
Signal Analysis
Mixed signals. Monitor for clearer direction.
Recent Price History
Frequently Asked Questions
How much is Mastemon (Alternate Art) worth?
Mastemon (Alternate Art) is currently $39.70 on TCGplayer for the Hackers' Slumber printing. Prices update daily from live marketplace data.
Is Mastemon (Alternate Art) going up or down in price?
Our 30-day forecast for Mastemon (Alternate Art) is $39.86, with a stable trend (data confidence: Something's Brewing).