M Gengar EX XY166

XY Promos • Promo • Holofoil

All 3 printings from $153.45 →

Sold $240.68 (Oct 27)

1 NM sale this week · 11 in 30 days

TCGplayer market $302.54as of Oct 31, 2026↓ -$4.45 (-1.4%) this week

Buy on TCGplayer or eBay

We may earn a commission on these links, at no cost to you.

Add to portfolio

Selling it? At market it nets about $261.62 on TCGplayer or $259.25 on eBay after fees. Where to sell and the fee calculator →

Sales & Velocity

As of 2026-10-31

Listings are below the recent sold range

Sold (7d / 30d)

14 / 53

NM sold between (7d)

$240.68–$240.68

Cheapest listing

$130.00

Units sold per day, Aug 5–Oct 27 (Near Mint)

Units sold per day, Near Mint
Date	Units sold	Sold between
Aug 5	1	$271.39–$271.39
Aug 7	1	$270.00–$270.00
Aug 10	1	$270.00–$270.00
Aug 13	1	$285.69–$285.69
Aug 16	2	$268.31–$272.71
Aug 17	1	$267.00–$267.00
Sep 1	1	$280.90–$280.90
Sep 2	2	$279.95–$280.90
Sep 6	1	$309.98–$309.98
Sep 8	1	$325.00–$325.00
Sep 20	2	$328.99–$328.99
Sep 24	1	$278.68–$278.68
Sep 27	1	$230.98–$230.98
Sep 28	1	$221.97–$221.97
Oct 1	1	$220.97–$220.97
Oct 2	1	$347.85–$347.85
Oct 7	1	$267.60–$267.60
Oct 8	1	$350.00–$350.00
Oct 17	1	$201.97–$201.97
Oct 21	1	$199.97–$199.97
Oct 23	4	$400.00–$499.95
Oct 24	1	$219.99–$219.99
Oct 27	1	$240.68–$240.68

Condition	Sold 7d	Sold 30d
Damaged	6	20
Heavily Played	2	5
Lightly Played	3	5
Moderately Played	2	12
Near Mint	1	11

Sales data: TCGplayer

Quick answers

How much is M Gengar EX XY166 worth?

As of October 31, 2026, M Gengar EX XY166 from XY Promos has a TCGplayer market price of $302.54. 1 Near Mint copy sold on TCGplayer this week at $240.68.

Is M Gengar EX XY166 going up or down in price?

Its TCGplayer market price is up 10.9% over the past 30 days and down 1.4% over the past week, as of October 31, 2026.

How can I track the price of M Gengar EX XY166?

Set a free price alert on this page: enter your email and a target price, and The Lab TCG emails you when the TCGplayer market price falls to it. Prices are checked every night, and no account is needed.

Price Snapshot

Market

$302.54

Low

$130.00

Mid

$176.99

High

$1,518.52

7-Day:-$4.45 (-1.4%)

30-Day:+$29.79 (+10.9%)

Percent of Market

Buying? See what a price is as a share of market. Selling? Start at market and read down to a buylist offer or up to an asking price.

% of Market price	Price	Usually means
50%	$151.27	Cash buylist, low end
60%	$181.52	Cash buylist, typical
70%	$211.78	Buylist top end, store credit
80%	$242.03	Bulk lot or quick sale
90%	$272.29	Quick sale, just under market
100%	$302.54	Market price
110%	$332.79	Asking price, room to negotiate
120%	$363.05	Asking price, room to negotiate
150%	$453.81	Presale and hype pricing

Your price (USD)

$

Type what you are being asked to pay, or what you plan to list at.

Market price is the TCGplayer market price. TCGplayer Low is the lowest listed near-mint price at the last snapshot. Definitions

Card text

Mega Pokémon · 210 HP · Psychic

1Hollow Geist120
Your opponent's Active Pokemon is now Confused and Poisoned.

Weakness Dx2 · Resistance F-20 · Retreat 2

Where to Buy

TCGPlayerRaw$302.54Raw copies, condition graded by the marketplace

Buy Now

eBayRaw listings and graded slabs

Raw listings PSA listings

TCGplayer for raw copies (condition is graded by the marketplace, not the seller). eBay for more listings and slabs. Links may earn us a commission at no cost to you.

Protect this card

Code THELAB takes 10% off at BCW

Sleeve + toploader combo
Sleeve first, then the rigid holder. Standard for anything you might sell.
Shop BCW
Display cases
For a card you plan to keep on show, or a slab once it comes back graded.
Shop BCW

We use these ourselves. BCW links are affiliate links; the code works whether or not you click through.