Giovanni (18)
Pokémon · Gym Challenge · Holo Rare · 018/132
Released 2000-10-16
$39.00
30-day forecast: $39.00
Live Pokémon price tracking, buyout detection, and price predictions for Giovanni (18) on TCG Collector Tools.
Prices Across Marketplaces
TCGplayer (market)
$39.00
TCGplayer (mid)
$45.74
TCGplayer (low)
$39.00
Price Forecast
| Horizon | Forecast | vs Today |
|---|---|---|
| 7 days (stable) | $39.00 | +0.0% |
| 30 days (stable) | $39.00 | +0.0% |
| 90 days | $37.53 | -3.8% |
| 180 days | $37.53 | -3.8% |
| 1 year | $37.53 | -3.8% |
Confidence 56% · Calibrated 30-day range $35.57–$42.43 · 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 2026-05-27 · at $41.59 · 63 days ago.
| Horizon | We predicted | Actual | Error |
|---|---|---|---|
| Day 7 | $40.15 | $39.00 | -2.9% |
| Day 30 | $40.15 | $35.00 | -12.8% |
Signal Analysis
HOLD
Conviction 50/100 · Target $39.00 · Range $35.10–$42.90 · over 30d
Mixed signals. Monitor for clearer direction.
Recent Price History
$39.00
$36.45
$39.00
$39.00
$39.00
$39.00
$36.83
Frequently Asked Questions
How much is Giovanni (18) worth?
Giovanni (18) is currently $39.00 on TCGplayer for the Gym Challenge printing. Prices update daily from live marketplace data.
Is Giovanni (18) going up or down in price?
Our 30-day forecast for Giovanni (18) is $39.00, with a stable trend at 56% confidence.