How much is a PSA 10 Swampert EX #137/XY-P?

A PSA 10 Swampert EX #137/XY-P from Pokemon Japanese Promo is currently priced at $150 based on completed sales tracked on PokeInvest.

Is grading Swampert EX #137/XY-P worth it?

With a raw price of $30 and a PSA 10 selling for $150, grading Swampert EX #137/XY-P has a potential gross margin of $120 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 Swampert EX #137/XY-P: what's the price difference?

A PSA 10 Swampert EX #137/XY-P sells for about $150 versus about $36 for a graded 9 (PSA, CGC and BGS 9 sales combined), so the 10 carries a 4.2x premium based on recent sales tracked on PokeInvest.

What's the raw price of Swampert EX #137/XY-P?

The raw (ungraded) price of Swampert EX #137/XY-P from Pokemon Japanese Promo is currently $30, based on live market data tracked daily by PokeInvest.

Home / Japanese Promo / Swampert EX #137/XY-P

Swampert EX #137/XY-P

Pokemon Japanese Promo

Ungraded

$29.68

5 sales

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

5 sold in 34 days · latest 4 weeks ago

$12.50 $35.00

$35.00 4 weeks ago Swampert EX 137/XY-P Rayquaza Mega Battle Promo Pokemon Card | Japanese | MP Japanese 137/XY-P $29.68 4 weeks ago Swampert-EX Promo 137/XY-P XY Promos - Pokemon Card Japanese Japanese 137/XY-P $32.00 4 weeks ago [NM] Swampert EX Pokemon Japanese 137/XY-P Rayquaza Mega Battle Promo 8Se17 Japanese 137/XY-P $14.50 8 weeks ago Swampert EX Promo Japanese Pokemon TCG Mega Battle Participation 137/XY-P HP Japanese 137/XY-P $12.50 2 months ago Pokemon Card Swampert EX 137/XY-P Black Star Promo Holo Japanese Japanese 137/XY-P

Also held for this card: 1 ACE 10, 11 PSA 10, 1 PSA 9. Priced separately, never mixed into this median.

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

Price by grade

3 from real sales · 3 est

Grade	CGC	BGS	ACE	SGC
10	$90.00 est	$195.00 est		$90.00 est
9	—	—		—
7	—	—	—	—

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? 59% of 308 PSA-graded copies came back a 10. Raw $29.68 → PSA 10 $150.00. Expected value after a $60 fee: +$13.18 per copy.

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

Sales volume: Average of cards