How much is Dialga GX (Secret) 138/131 worth?

Dialga GX (Secret) 138/131 from Forbidden Light has a current market price of $75.25 for the Holofoil variant. Recent sales range from $58.00 to $1,255.43.

Is Dialga GX (Secret) a good investment?

Dialga GX (Secret) has appreciated 599.4% since release, showing a positive long-term trend for collectors and investors.

Where can I buy Dialga GX (Secret)?

Dialga GX (Secret) is available on TCGplayer through verified sellers. Use the Buy button on this page to view current listings, market prices, and condition options.

What set is Dialga GX (Secret) from?

Dialga GX (Secret) is from the Forbidden Light set, part of the Sun & Moon series, which contains 146 cards. It is card number 138/131 with a rarity of Secret Rare and Metal type.

Secret RareMetal

Dialga GX (Secret) – 138/131

Forbidden Light#138/131BasicHP 180

Buy on TCGPlayer

Featured Pokémon

#483 Dialga

steel / dragon · Legendary

Set

Market Price

$75.25

Holofoil

Price updated Jun 19, 2026

+599.4%all time

Dialga GX (Secret) has gained 599.4% since release. Holofoil prices range from $58.00 to $1,255.43.

Variant	Market	Low	Mid	High	Trend
HolofoilDEFAULT	$75.25	$58.00	$90.30	$1255.43	▲ 599.4%

Price History

Holofoil — market price over time

Card Details

Type: Metal
Stage: Basic
HP: 180
Weakness: Rx2
Resistance: P-20
Retreat Cost: 3
Set: Forbidden Light
Rarity: Secret Rare
Card #: 138/131

Attacks

[M] Overclock
Draw cards until you have 6 cards in your hand.

[2M] Shred (80)
This attack's damage isn't affected by any effects on your opponent's Active Pokémon.

Frequently Asked Questions

How much is Dialga GX (Secret) 138/131 worth?: Dialga GX (Secret) 138/131 from Forbidden Light has a current market price of $75.25 for the Holofoil variant. Recent sales range from $58.00 to $1,255.43.
Is Dialga GX (Secret) a good investment?: Dialga GX (Secret) has appreciated 599.4% since release, showing a positive long-term trend for collectors and investors.
Where can I buy Dialga GX (Secret)?: Dialga GX (Secret) is available on TCGplayer through verified sellers. Use the Buy button on this page to view current listings, market prices, and condition options.
What set is Dialga GX (Secret) from?: Dialga GX (Secret) is from the Forbidden Light set, part of the Sun & Moon series, which contains 146 cards. It is card number 138/131 with a rarity of Secret Rare and Metal type.