Trading Card Games → Pokemon Cards → XY - Steam Siege

XY - Steam Siege Steam Siege Booster Box

Name: XY - Steam Siege Steam Siege Booster Box
Availability: InStock

Condition: Sealed New

Trading Card Games Pokemon Cards XY - Steam Siege

Market read

Medium confidence · TCGPlayer market

CollectAIO Value

$1,169.99

4 historical sales2 active listingsTCG market $1,169.99historical eBay sales $950.12lowest eBay listing $1,315TCG low ask $1,688.98

Latest matched eBay sales are old (Apr 9, 2026), so this uses TCGPlayer Market as the current guide.

Best next action: If this is your exact variation, add it to your collection. If you are still waiting on price movement, create a watch.

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Price History

CollectAIO Estimate

Today’s CollectAIO Value: $1,169.99 Latest matched eBay sales are old (Apr 9, 2026), so this uses TCGPlayer Market as the current guide.

Estimated from archived TCGPlayer market/listing signals and matched eBay sold comps where available. Raw source lines are available in Compare sources.

Price history stores one point per day. Same-day updates replace today's snapshot.

Market Evidence

The detailed signals behind the top market read. Payout, retail basis, refresh, and marketplace caveats stay here so the first screen stays focused.

TCGPlayer prices

TCG

Market

$1,169.99

Low Ask

$1,688.98

Details

Market is based on recent TCGPlayer sales. Low Ask is the lowest current TCGPlayer listing before shipping.

Est. TCG seller payout ~$1065.44 after TCGplayer standard marketplace fees

Retail MSRP $143.64 • Est. payout vs retail +$921.80

TCGPlayer market • Primary raw guide • Snapshot May 30, 2026

TCG refreshed May 30, 2026

Historical eBay sold value

OLDER

$950.12

Details

Est. seller payout ~$823.83 after eBay fees

Retail MSRP $143.64 • Est. payout vs retail +$680.19

Median of 4 older matched eBay sold comps; latest sale Apr 9, 2026 • Snapshot May 27, 2026

eBay sold snapshot updated May 27, 2026

Condition-varied eBay evidence: Raw eBay comps can mix listing condition. CollectAIO uses matched comps as supporting sold evidence alongside TCGPlayer signals.

Older sales: Latest matched sale was Apr 9, 2026 (52 days old); use this as historical context.

Lowest matched eBay listing

ACTIVE

$1315.00

Details

Est. seller payout ~$1140.36 after eBay fees

Retail MSRP $143.64 • Est. payout vs retail +$996.72

Lowest raw eBay Buy-It-Now (price + shipping, condition can vary) • Snapshot May 27, 2026

2 matched active listings used in this floor; 9 not used after quality filters.

eBay active snapshot updated May 27, 2026

Market Depth

Historical sold comps

The latest matched eBay sale is Apr 9, 2026, so these comps are historical context rather than a current clearing-price anchor. Use TCGPlayer and active listings for the fresher read.

eBay active floor is 12% above the TCGPlayer guide.

Sales tax estimate

Optional retail + tax payout basis

Set rate

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Historical Sold Comp Trend

Historical matched sales moved up +$7.16 (0.7%) from week of Jan 26 to week of Apr 6; latest sale Apr 9, 2026.

View trend

Older matched eBay sales are shown as historical context, not current momentum.

First Week

$987.65

Week of Jan 26 • 1 comp

Latest Week

$994.81

Week of Apr 6 • 1 comp

Move

+$7.16

4 included sold comps across 4 weeks

4 matched eBay sold comps used in historical context

Show excluded listings (16)

Collector previewLoaded row sorting is free during launch.

Sorted by sold date (descending)

2016 Pokemon TCG - XY Steam Siege Booster Box - New - Sealed

Total: $994.81
Sold date: Apr 9, 2026
Item price: $985.00
Shipping: $9.81

Used in pricing

Pokemon Cards - XY Steam Siege - Booster Box (36 Packs) - New Factory Sealed

Total: $912.58
Sold date: Mar 17, 2026
Item price: $900.00
Shipping: $12.58

Used in pricing

Pokemon XY Steam Siege Booster Box New Sealed 36 Packs

Total: $911.23
Sold date: Mar 13, 2026
Item price: $900.00
Shipping: $11.23

Used in pricing

Pokémon TCG XY Steam Siege Booster Box Factory Sealed 36 Packs MINTY

Total: $987.65
Sold date: Jan 26, 2026
Item price: $975.00
Shipping: $12.65

Used in pricing


2016 Pokemon TCG - XY Steam Siege Booster Box - New - Sealed	$994.81	$985.00	$9.81	Apr 9, 2026
Pokemon Cards - XY Steam Siege - Booster Box (36 Packs) - New Factory Sealed	$912.58	$900.00	$12.58	Mar 17, 2026
Pokemon XY Steam Siege Booster Box New Sealed 36 Packs	$911.23	$900.00	$11.23	Mar 13, 2026
Pokémon TCG XY Steam Siege Booster Box Factory Sealed 36 Packs MINTY	$987.65	$975.00	$12.65	Jan 26, 2026