Blastoise GX SM189 Price – SM Promos

#SM189 · SM Promos

Raw price today$20.40

▲ 2.5% this week

PSA 10$357.51

PSA 9$40.00

HOLDLeaning positive (the set is old enough that sealed supply is drying up), but not strong enough for a BUY yet.

Where to buy Blastoise GXBuy raw on TCGplayerMarket price $20.40PokeInsider earns a commission when you buy through these links, at no extra cost to you.

HOLD

PokeInsider signal

Why it’s a HOLD

SELLHOLDBUY

▲Older set (2+ years): less sealed supply

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 6% of copies come back a PSA 10 ($357.51, 17.5x raw) at the $39.99 PSA fee.

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

Prices updated Nov 10, 2026. Raw: TCGplayer Near Mint market price. Graded: recent graded sold prices.

Blastoise GX (SM189) from SM Promos is a Promo. It sells for about $20.40 raw and $357.51 in a PSA 10. The raw price is up 2.5% over the last 7 days and down 2.3% over 30 days.

It is the 128th most valuable of the 129 SM Promos cards we track, just behind Regice (Cosmos Holo) ($20.48). The set’s most valuable card is Clefairy – 381/SM-P (Dream League) ($500.00). Among the 1,346 Promo cards on PokeInsider, it ranks 1330th by raw price.

Blastoise GX price today

Raw$20.40Near Mint

PSA 9$40.002.0× raw

PSA 10$357.5118× raw

BGS 10$465.0023× raw · Pristine

CGC 10$143.007.0× raw

Raw price change

24 hours▼ -0.7%

7 days▲ +2.5%

30 days▼ -2.3%

Blastoise GX price chart

30 days90 days

90-day high$22.38

90-day low$19.91

90-day average$21.24

Today vs. high9% below

Raw Near Mint market price on TCGplayer, one point per day.

Grading math

A PSA 10 sells for 17.5x the raw price. A PSA 9 sells for $40.00, 2.0x raw.

Buying a raw copy at $20.40 and paying $39.99 to grade it (PSA Value, for cards valued up to $500), you break even if roughly 6% 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 Blastoise GX in our grading calculator (your own cost, gem rate, tier and fees).