Dialga GX (Secret) 138/131

SM - Forbidden Light • Secret Rare • Holofoil

All 11 printings from $5.54 →

Sold $75.23 (Oct 9)

1 NM sale this week · 2 in 30 days

TCGplayer market $76.64as of Oct 11, 2026↑ +$0.75 (+1.0%) this week

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Selling it? At market it nets about $66.05 on TCGplayer or $65.37 on eBay after fees. Where to sell and the fee calculator →

Sales & Velocity

As of 2026-10-11

Thin market: fewer than 5 sales in the last 7 days

Sold (7d / 30d)

1 / 2

NM sold between (7d)

$75.23–$75.23

Cheapest listing

$54.33

Units sold per day, Aug 7–Oct 9 (Near Mint)

Units sold per day, Near Mint
Date	Units sold	Sold between
Aug 7	2	$73.79–$74.99
Aug 23	1	$76.45–$76.45
Sep 4	1	$72.70–$72.70
Sep 9	3	$82.00–$87.24
Sep 13	1	$70.00–$70.00
Oct 9	1	$75.23–$75.23

Condition	Sold 7d	Sold 30d
Damaged	0	0
Lightly Played	0	0
Moderately Played	0	0
Near Mint	1	2
Heavily Played	0	0

Sales data: TCGplayer

Quick answers

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

As of October 11, 2026, Dialga GX (Secret) 138/131 from SM - Forbidden Light has a TCGplayer market price of $76.64. 1 Near Mint copy sold on TCGplayer this week at $75.23.

Is Dialga GX (Secret) 138/131 going up or down in price?

Its TCGplayer market price is up 1.0% over the past 30 days and up 1.0% over the past week, as of October 11, 2026.

Is Dialga GX (Secret) 138/131 worth grading?

A PSA 10 sells for about $810.93 on eBay, against a raw TCGplayer market price of $76.64. After buying the raw card, about $29.00 to grade and ship, and a 13% eBay selling fee, a PSA 10 would net about $599.87. At these prices grading looks worthwhile, if the card can get a 10.

Price Snapshot

Market

$76.64

Low

$54.33

Mid

$89.99

High

$679.22

7-Day:+$0.75 (+1.0%)

30-Day:+$0.74 (+1.0%)

Percent of Market

Buying? See what a price is as a share of market. Selling? Start at market and read down to a buylist offer or up to an asking price.

% of Market price	Price	Usually means
50%	$38.32	Cash buylist, low end
60%	$45.98	Cash buylist, typical
70%	$53.65	Buylist top end, store credit
80%	$61.31	Bulk lot or quick sale
90%	$68.98	Quick sale, just under market
100%	$76.64	Market price
110%	$84.30	Asking price, room to negotiate
120%	$91.97	Asking price, room to negotiate
150%	$114.96	Presale and hype pricing

Your price (USD)

$

Type what you are being asked to pay, or what you plan to list at.

Market price is the TCGplayer market price. TCGplayer Low is the lowest listed near-mint price at the last snapshot. Definitions

Card text

Basic Pokémon · 180 HP · Metal

MOverclock
Draw cards until you have 6 cards in your hand.
2Shred80
This attack's damage isn't affected by any effects on your opponent's Active Pokémon.

Weakness Rx2 · Resistance P-20 · Retreat 3

Where to Buy

TCGPlayerRaw$76.64Raw copies, condition graded by the marketplace

Buy Now

eBayPSA 10$810.93graded slab comps, not the raw card

Raw listings PSA listings

TCGplayer for raw copies (condition is graded by the marketplace, not the seller). eBay for more listings and slabs. Links may earn us a commission at no cost to you.

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Graded Prices

PSA 10

$810.93

PSA 9

—

PSA 8

—

Should you grade it?

Worth grading

Net if it 10s

+$599.87

ROI

+567.8%

From $76.64 raw to $810.93 in a PSA 10, after ~$25 grading, tracked shipping, and eBay fees. Grades below 10 return less, and most cards need a realistic 10 to profit. Not financial advice.