Is it worth grading Mewtwo-EX #XY107 from XY Black Star Promos?

It depends on condition and market pricing. Current PSA 10 gem rate is 26.1% (based on 788 graded copies). PSA 10 sales average $1225.00 versus a raw market of $12.95. Use the calculator on this page to compute exact EV for your card's condition.

What is the PSA 10 gem rate for Mewtwo-EX #XY107?

26.1% (based on 788 graded copies)

What does PSA grading cost?

PSA service levels range from $59.99 per card (Standard, 90-100 business days) to $9,999+ (Premium 10, for cards worth $250,001+). If a graded card is worth more than its tier's Max Insured Value, PSA upgrades it to the tier that covers it and bills the difference.

Should You Grade Mewtwo-EX #XY107 (XY Black Star Promos)? PSA Grading EV

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Should You Grade Mewtwo-EX?

XY Black Star Promos · #XY107 · Promo

Default-tier verdict

Grade It+$282 (+274% ROI)

Based on raw market $12.95, PSA 10 $1225.00, gem rate 26.1% (788 graded). Adjust inputs below for your card's exact condition.

Mewtwo-EX

XY Black Star Promos · #XY107 · Promo

Market: $12.95

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PSA Pop · 788 graded

PSA 10

26.1%

PSA 9

32.5%

PSA 8

18.0%

PSA 7

9.4%

Your Costs

Raw card cost

Grading tier

Shipping estimate + Other fees

Expected Sale Prices

PSA 10

PSA 9

PSA 8

PSA 7

Card Condition

Centering

Edges & Corners

Surface

Fine-tune your gem-rate odds based on centering, edges, and surface condition.

Expected Value

⚠If graded PSA 10, PSA will upcharge to Priority ($80) — your PSA 10 value of $1225 exceeds this tier's $1,000 cap. No upcharge on PSA 9.

PSA 10: 26.1% × $1225.00+$320.24

PSA 9: 32.5% × $169.88+$55.19

PSA 8: 18.0% × $30.40+$5.48

PSA 7: 9.4% × $21.75+$2.04

Below 7: 14.0% × raw+$1.81

Raw card cost-$12.95

Standard grading (weighted avg)-$65.22

Shipping + Other Fees-$10.00

EV+$296.59(+336% ROI)

Grade It

336% ROI — strong margin absorbs selling fees and price swings.

Want to track this card's price and grading data?

Grade It

336% ROI — strong margin absorbs selling fees and price swings.

About this calculator

This page computes the expected value (EV) of submitting Mewtwo-EX #XY107 to PSA for grading. EV factors in real PSA population data (gem rates), live market prices for raw and graded copies, and PSA's tiered fee structure including upcharges when a card's graded value exceeds the tier's Max Insured Value. Adjust the inputs to match your card's exact condition for a personalized recommendation.

PSA population summary

Grade	Population	Rate
PSA 10	206	26.1%
PSA 9	256	32.5%
PSA 8	142	18.0%
PSA 7	74	9.4%

Should You Grade Mewtwo-EX #XY107 from XY Black Star Promos?

Mewtwo-EX

Your Costs

Expected Sale Prices

Card Condition

Expected Value

About this calculator

PSA population summary

Mewtwo-EX

Your Costs

Expected Sale Prices

Card Condition

Expected Value