Kingdra GX SM155 Price – SM Promos

#SM155 · SM Promos

Raw price today$17.01

PSA 10$204.68

PSA 9$34.99

HOLDNew to our tracking: we need a month of daily prices before making a buy or sell call.

Where to buy Kingdra GXBuy raw on TCGplayerMarket price $17.01PokeInsider earns a commission when you buy through these links, at no extra cost to you.

HOLD

PokeInsider signal

Not enough price history yet

•Less than a month of price history so far

A rules-based read of this card’s raw price trend, updated daily. How signals work · Market data, not financial advice.

Worth grading? Likely yesYou break even if about 13% of copies come back a PSA 10 ($204.68, 12.0x raw) at the $39.99 PSA fee.

Check if it’s worth grading →View my collection →

Prices updated Nov 12, 2026. Raw: TCGplayer Near Mint market price. Graded: recent graded sold prices.

Kingdra GX (SM155) from SM Promos is a Promo. It sells for about $17.01 raw and $204.68 in a PSA 10.

It is the 144th most valuable of the 186 SM Promos cards we track. The set’s most valuable card is Clefairy – 381/SM-P (Dream League) ($500.00). Among the 1,844 Promo cards on PokeInsider, it ranks 1487th by raw price.

Kingdra GX price today

Raw$17.01Near Mint

PSA 9$34.992.1× raw

PSA 10$204.6812× raw

BGS 10$266.0016× raw · Pristine

CGC 10$58.853.5× raw

Raw price change

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Grading math

A PSA 10 sells for 12.0x the raw price. A PSA 9 sells for $34.99, 2.1x raw.

Buying a raw copy at $17.01 and paying $39.99 to grade it (PSA Value, for cards valued up to $500), you break even if roughly 13% of your copies come back a PSA 10 (counting the rest at PSA 9 value). Grading fees and gem rates vary; this is a rough guide, not a guarantee.

Run the numbers for Kingdra GX in our grading calculator (your own cost, gem rate, tier and fees).