Mega Slowbro Ex #263 PSA 10

Mega Slowbro Ex #263 PSA 10 Price

$195.10

Pop 10: 519Gem rate: 79.1%Premium: 5.0x rawPSA 9: $47.30
Sales-based, updated weekly

PSA 10 price history

$265.00$135.66Jul '25Jul '26Aug '26Sep '26Oct '26
Low $135.66 · High $265.00▲ 43.8% over this range

Every grade, priced

GradeMarket valuePSA population
PSA 10 (Gem Mint)$195.10519
Grade 9.5$52.00—
PSA 9 (Mint)$47.3095
BGS 10$254.00—
CGC 10$117.00—
Raw (ungraded)$38.75—

PSA has graded 656 copies of Mega Slowbro Ex #263 in total — 79.1% came back Gem Mint. Full cross-company population lives on the card page.

Thinking of grading your copy?

The math is on the card page: live grading expected value from this card's real gem rate and PSA prices, minus fees. And before you submit anything, the grading guide covers the self-checks that separate 10 candidates from expensive 9s.

Good to know

Mega Slowbro Ex PSA 10 FAQ

How much is Mega Slowbro Ex worth in PSA 10?

Mega Slowbro Ex #263 from XY Promos (Japanese) is currently worth $195.10 in PSA 10 Gem Mint, based on graded sales data updated weekly. A raw copy trades around $38.75 — the PSA 10 carries a 5.0x premium.

How many PSA 10 copies of Mega Slowbro Ex exist?

PSA has graded 656 copies, and 519 earned the Gem Mint 10 label — a 79.1% gem rate. Population grows over time as new copies are submitted.

Is Mega Slowbro Ex worth grading?

Run the math, not the hope: grading costs roughly $20-25 per card, so a submission pays when the PSA 10 price times your realistic gem chance beats the raw price plus fees. This card gems at about 79.1%. The live grading expected value is computed on the main card page.

PSA 10 vs PSA 9 — how big is the difference for Mega Slowbro Ex?

A PSA 10 is worth $195.10 against $47.30 for a PSA 9 — a 4.1x gap. That gap is why centering and surface checks before submitting matter more than anything else.