Is XY Steam Siege Sleeved Booster Pack worth opening?

XY Steam Siege Sleeved Booster Pack is currently not worth opening on expected value: $4.33 of expected singles per box vs a $37.49 price (0.12×). It is better to open than 30 days ago. Expected value is a model estimate from set-wide Inkwell Fair Values and typical pull rates — individual boxes vary.

How is the sealed product price tracked?

We track sealed product prices daily and blend them into an Inkwell Fair Value. The chart shows historical price movement over time.

What does the value ratio mean?

The value ratio compares what you can expect to pull from the product (or, for products without a pack model, the total value of the set's singles) to the product's price. Above 1.0× means the expected singles are worth more than the price.

How often are sealed prices updated?

Sealed product prices and the value ratio update daily as part of our automated price pipeline.

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Pokémon TCG

XY Steam Siege Sleeved Booster Pack

Name: XY Steam Siege Sleeved Booster Pack
Brand: Pokémon TCG
SKU: pokemon-xy-steam-siege-xy-steam-siege-sleeved-booster-pack
Price: 37.49 USD
Availability: InStock

Booster Pack

Current Price

$37.49

7D Change

30D Change

Last updated: Nov 2, 2026

Browse XY - Steam Siege Cards →

Monthly Price History

Month	Avg	Low	High
Nov 2026	$37.49	$37.49	$37.49
Oct 2026	$39.03	$37.49	$39.45
Sep 2026	$37.10	$35.00	$39.45
Aug 2026	$34.13	$33.82	$35.00
Jul 2026	$33.82	$33.82	$33.82
Jun 2026	$33.39	$33.02	$33.82
May 2026	$31.74	$30.18	$33.02

Value Ratio

vs XY - Steam Siege singles

Expected singles / box

$4.33

Pack price

$37.49

Value ratio

0.12×

vs 30d ago

▲ better

$4.33 of expected singles value vs $37.49 pack price — better to open than 30 days ago. Expected pulls cover 12% of the pack price on average (was 11%).

Expected singles value is a model estimate from set-wide Inkwell Fair Values and typical pull rates — actual boxes vary. Not a guarantee.

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Frequently Asked Questions

Is XY Steam Siege Sleeved Booster Pack worth opening?: XY Steam Siege Sleeved Booster Pack is currently not worth opening on expected value: $4.33 of expected singles per box vs a $37.49 price (0.12×). It is better to open than 30 days ago. Expected value is a model estimate from set-wide Inkwell Fair Values and typical pull rates — individual boxes vary.
How is the sealed product price tracked?: We track sealed product prices daily and blend them into an Inkwell Fair Value. The chart shows historical price movement over time.
What does the value ratio mean?: The value ratio compares what you can expect to pull from the product (or, for products without a pack model, the total value of the set's singles) to the product's price. Above 1.0× means the expected singles are worth more than the price.
How often are sealed prices updated?: Sealed product prices and the value ratio update daily as part of our automated price pipeline.