Koby (Treasure Cup)
One Piece · One Piece Promotion Cards · C · OP02-098
Released 2022-09-30
$399.49
30-day forecast: $403.43
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) | $400.41 | +0.2% |
| 30 days (stable) | $403.43 | +1.0% |
| 90 days | $396.92 | -0.6% |
| 180 days | $408.32 | +2.2% |
| 1 year | $431.77 | +8.1% |
Confidence 86% · Calibrated 30-day range $375.39–$431.47 · established 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 2026-07-15 · at $399.49 · 13 days ago.
| Horizon | We predicted | Actual | Error |
|---|---|---|---|
| Day 7 | $398.88 | $399.49 | +0.2% |
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 $399.49 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 $403.43, with a stable trend at 86% confidence.