Koby is a C CHARACTER card from the ST08 set of optcg. Rarer printings such as the C tier tend to be harder to find in circulation, which is often reflected in their market price.

The latest recorded price for Koby is $0.19, captured on Jul 18, 2026. Over the past 30 days we logged 3 price points, and it has ranged from $0.19 to $0.20, with the most recent figure holding steady compared with the start of that window.

Every price above is pulled from live marketplace data and stored as dated history, so you can see how Koby has moved over time rather than relying on a single static estimate. Use the full history table below to track its trajectory before you buy, sell, or trade.