Mega Gengar EX #XY166 — Pokémon Promo Card Value
Pokémon PromoWhat the Mega Gengar EX #XY166 card from Pokémon Promo is worth — ungraded and graded (PSA 10).
Mega Gengar EX #XY166 value — Ungraded $123 · Grade 9 $840 · PSA 10 $5,998. Prices updated July 2026.
Set · Pokémon PromoGame · Pokémon
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↗ Rising · +17%
Value by grade
$123
Ungraded
6.8×
$840
Grade 9
48.8×
$5,998
PSA 10
Real sold prices per grade — the PSA 10 premium on this card is 48.8× raw.
Complete-in-box price history
Monthly CIB value, based on sold comps.
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Item details
- Brand
- Pokémon
- Set
- Pokémon Promo
- Game
- Pokémon
- Card number
- #XY166
- Release date
- October 12, 2013
Mega Gengar EX #XY166 (Pokémon Promo) card value
An ungraded Mega Gengar EX #XY166 from Pokémon Promo averages around $123. A Grade 9 copy runs about $840, and a PSA 10 gem-mint commands $5998.
What drives the price
Centering, corners, edges, and surface decide a card's grade — and the grade decides the price. The jump from raw to PSA 10 can be 5–20×, so condition is everything. Holos, first editions, and shadowless prints carry the biggest premiums.
Price guide
Sold values by grade vs. what sellers ask today
| Condition | Value | Based on |
|---|---|---|
| Ungraded | $123 | eBay sold comps |
| Grade 9 | $840 | eBay sold comps |
| PSA 10 | $5,998 | eBay sold comps |
Frequently asked questions
- What is the starting price for an ungraded Mega Gengar EX Promo?
- An ungraded Mega Gengar EX #XY166 Pokémon Promo starts at $123.
- How much is a graded PSA 10 version worth?
- A PSA 10 graded copy of this Mega Gengar EX is valued at $5998.
- Is the card more valuable raw or graded?
- While ungraded copies start lower at $123, the card sees a massive value increase when graded, reaching $840 for a Grade 9.
