Holon Research Tower from Delta Species is currently trading around $0.74. The 7-day delta remains near neutral at 0.0%.
Against its 30-day baseline of $0.71, this card is pricing 4.0% higher. Its 90-day trading band runs between $0.70 and $0.83, producing a 18% range and low-volatility behavior.
The listed rarity for this print is Uncommon.
Collector-focused market read: Over the last 7 days, prices have remained stable at 0.0%, indicating a consolidation phase over sudden breakouts. With a 18% 90-day spread ($0.70-$0.83), this card currently tracks as low-volatility.
Versus the 30-day average ($0.71), the card is trading 4.0% higher. Condition sensitivity is substantial: PSA 10 carries a +33684% premium over raw value.
PSA 9 is currently around $17.00, while PSA 10 is $250.00.
Holon Research Tower appears in Delta Species, released in 2005. Its card type is Trainer.
The rarity label is Uncommon. It carries a Stadium subtype designation.
Printed card effect: This card stays in play when you play it. Discard this card if another Stadium card comes into play.
If another card with the same name is in play, you can't play this card. Each player's basic Energy cards attached to Pokémon that has δ on its card are both their usual Energy type and Metal type but provide only 1 Energy at a time.
Release year for Delta Species is 2005. Delta Species is grouped under the EX era.
Set size is 114 cards, which categorizes Delta Species as mid-size. As of 2026, the set is 21 years old and fits a legacy-era profile.
Holon Research Tower (#94) is one of the Uncommon prints in this expansion.