Koby (Treasure Cup)
One Piece · One Piece Promotion Cards · C · OP02-098
Released 2022-09-30
$598.95
30-day forecast: $605.82
Live One Piece price tracking, buyout detection, and price predictions for Koby (Treasure Cup) on TCG Collector Tools.
Card Text
[On Play] You may trash 1 card from your hand: K.O. up to 1 of your opponent's Characters with a cost of 3 or less.
Prices Across Marketplaces
Price Forecast
| Horizon | Forecast | vs Today |
|---|---|---|
| 7 days (stable) | $601.28 | +0.4% |
| 30 days (stable) | $605.82 | +1.1% |
| 90 days | $551.71 | -7.9% |
| 180 days | $567.56 | -5.2% |
| 1 year | $600.15 | +0.2% |
Confidence: Solid Vibes · Calibrated 30-day range $428.87–$782.77 · established card · low volatility
Our Forecast Track Record
What we predicted for this card, and what actually happened. We publish misses as well as hits. Anchored 2026-07-15 · at $399.49 · 58 days ago.
| Horizon | We predicted | Actual | Error |
|---|---|---|---|
| Day 7 | $398.88 | $399.49 | +0.2% |
| Day 30 | $401.91 | $599.89 | +49.3% |
Signal Analysis
Mixed signals. Monitor for clearer direction.
Recent Price History
Frequently Asked Questions
How much is Koby (Treasure Cup) worth?
Koby (Treasure Cup) is currently $598.95 on TCGplayer for the One Piece Promotion Cards printing. Prices update daily from live marketplace data.
Is Koby (Treasure Cup) going up or down in price?
Our 30-day forecast for Koby (Treasure Cup) is $605.82, with a stable trend (data confidence: Solid Vibes).