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Mewtwo GX (Secret Shining) 78/73 (Shining Legends) price and outlook

As of October 20, 2026, Mewtwo GX (Secret Shining) 78/73 (Shining Legends, Near Mint) sells for about $826.58, up 2.1% in the last 30 days. Bull Run’s signal: Hold — no clear trend.

Mewtwo GX (Secret Shining) 78/73 card from Shining Legends
Card image ©Pokémon / Nintendo / Creatures / GAME FREAK.
Mewtwo GX (Secret Shining)
Shining Legends · #78/73
Shiny Holo Rare Holofoil 2017 Pokémon

What is it worth?

A Near Mint copy is worth about $826.58.

Near Mint$826.58latest price
Lightly Played$612.52latest price
Moderately Played$409.67latest price
Heavily Played$293.86latest price
Damaged$256.85latest price
PSA 10$8,220graded market price
PSA 9$1,524graded market price

Is it going up or down?

Its Near Mint price has moved +2.1% over 30 days, +16.0% over 90 days. Over the last month it has been holding steady.

Near Mint price, last 90 days
July 22, 2026high $830.72 · low $751.62October 19, 2026

Near Mint price, last 90 days: from $751.62 on July 22, 2026 to $826.58 on October 19, 2026; low $751.62, high $830.72.

Near Mint price, last year
October 30, 2025high $830.72 · low $507.75October 19, 2026

Near Mint price, last year: from $526.23 on October 30, 2025 to $826.58 on October 19, 2026; low $507.75, high $830.72.

Price change
7 days+0.2%
30 days+2.1%
90 days+16.0%

Price updates in the last 30 days: 7. That is how often the tracked price changed, not how many copies sold.

Should I buy or sell?

Bull Run rates it Hold: no clear trend. Its signal score is +2 on a scale from −100 (strong sell) to +100 (strong buy).

Signals are estimates based on past prices, not guarantees.

Is it worth grading?

If it came back a PSA 10, it would be worth about $8,220: $7,348 more than a raw Near Mint copy after about $45.00 of grading and shipping costs. A PSA 9 would be worth about $1,524, $651.92 more after costs. Most cards do not get a 10, so it may be worth grading only if your copy looks perfect.

PSA has graded 17,758 copies; 2,777 got a 10 (a gem rate of 15.6%), as of October 18, 2026.

Bull Run is not affiliated with PSA, BGS, CGC or SGC.

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Updated October 20, 2026 · More Shining Legends cards · How Bull Run works