Magikarp & Wailord GX

SM Promos · #SM166/131 · Promo · 2016

$87.85

Market price ▲ 62.7% (1Y)

Prices as of Jul 26, 2026

1,247graded pop

1%gem rate

261.1×PSA 10 vs raw

-1%off ATH $85.84 · Jul 2026

+$1,911.61EV to grade — worth it

Price history

Standard$87.85

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Graded values

updated 2026-07-27

Grade 6 est.$83.46

Grade 5 est.$70.28

Grade 4 est.$57.98

Grade 3 est.$48.32

Grade 2 est.$39.53

Grade 1 est.$33.38

Grades 1–6 are estimates modeled from the raw price — PSA/CGC/BGS 7–10 and Ungraded are live tracked market values.

PSA 10 price history$37,210.00

PSA 10 chart is building — graded values are tracked nightly, a new point appears each day.

Graded population census · updated 2026-07-07

PSA1,247 graded · 10 gem 10

12345678910

Population data from PriceCharting, updated monthly.

How much is Magikarp & Wailord GX #SM166/131 worth?

Right now (July 27, 2026) the going rate for an ungraded Magikarp & Wailord GX #SM166/131 from SM Promos is about $87.85.

Grading changes the math on this one: a PSA 10 is valued around $37,210.00, roughly 423.6x the raw price, while a PSA 9 sits near $1,794.28. 1,247 copies have been graded to date, and 1% of them came back a 10 — worth knowing before you pay grading fees.

These figures come from nightly market-data syncs verified against completed sales. Use the chart above to see the trend before you buy or sell.