How much is a PSA 10 Thundurus GX #SM133?

A PSA 10 Thundurus GX #SM133 from Pokemon Promo is currently priced at $456 based on completed sales tracked on PokeInvest.

Is grading Thundurus GX #SM133 worth it?

With a raw price of $3 and a PSA 10 selling for $456, grading Thundurus GX #SM133 has a potential gross margin of $452 before PSA fees (from $59.99 a card, more for higher declared values). Use the PokeInvest PSA Calculator for a full ROI breakdown.

PSA 9 vs PSA 10 Thundurus GX #SM133: what's the price difference?

A PSA 10 Thundurus GX #SM133 sells for about $456 versus about $15 for a graded 9 (PSA, CGC and BGS 9 sales combined), so the 10 carries a 29.4x premium based on recent sales tracked on PokeInvest.

What's the raw price of Thundurus GX #SM133?

The raw (ungraded) price of Thundurus GX #SM133 from Pokemon Promo is currently $4, based on live market data tracked daily by PokeInvest.

Thundurus GX #SM133

Thundurus GX #SM133 (Promo) sells for about $3.46 ungraded and $456 in PSA 10. PSA has graded 100 copies, 31 of them 10s. Prices are medians of completed sales, updated November 11, 2026.

Pokemon Promo

Market price

$3.46

17 sales · latest last week

Sales we held out are listed below, not counted here.

17 sold in 38 days · latest last week

$2.65 $4.48

1 sale well outside the rest ($4.48). A median is barely moved by them, which is why it is the number shown.

Every sale is a completed listing. Click any line to open it.

Price by grade

1 from real sales · 4 est

Grade	PSA	CGC	BGS	SGC
10	$455.94 est · pop 31	$182.00 est · pop 6	$593.00 est	$274.00 est

Medians of completed sales — click one to see them. Arrows compare the last 90 days with the period before. last sold means one or two sales, so we show the most recent one rather than a median. est is an estimate we have not confirmed. pop is how many exist at that grade. How we price

Grade it? 31% of 100 PSA-graded copies came back a 10. Raw $3.46 → PSA 10 $455.94 est. Expected value after PSA's fee ($60): +$80.28 per copy.

We grade it for you, $27 a card → Mail it to us. CGC Authorized Dealer: we check it, submit it and ship the slab back insured. No account, no forms.

Run the full math → Is yours a 10? Pre-grade it, $3

Sales volume: Top 20% of cards

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