XY - Roaring Skies
ROS4 cards · 19 sealed products · released 2015-05-06
- Set value
- $1,775.68
- Typical card
- $1.12
- Most valuable
- $491.57M Rayquaza EX 105 Full Art
Set value is one of each card at its market price — 110 of 110 cards in this set carry one. It is what the singles would cost at today’s prices, not an appraisal, and it excludes sealed product. The typical card is the median, because one chase card pulls an average far away from what most of the set is worth.
Sealed products
| Card | Market | 7d | 30d | 90d |
|---|---|---|---|---|
| $4,384.73 | 0.0% | +2.6% | ||
| $650.00 | 0.0% | — | ||
| $584.50 | 0.0% | — | ||
| $363.00 | 0.0% | +2.3% | ||
| $114.50 | +3.0% | +14.9% | ||
| $75.67 | 0.0% | +4.2% | ||
| $44.32 | +2.5% | +2.5% | ||
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XY - Roaring Skies singles
34 cards in the sample · rebased to 100 at 2024-02-21- 30d
- +5.8%
- 90d
- +21.8%
- 1y
- +64.4%
- All
- +338.5%
- Level
- 443.8
Weekly chain-linked index. Each step compares only cards priced in BOTH of the two weeks, so items appearing or delisting cannot move the line — 10.6% of a fixed basket went dark over the last eleven months, and a level computed over whoever reported today would follow that instead of prices. An item must clear $5 in both weeks of a step to count: without a floor, penny rounding dominates. The line is the longest unbroken run of weeks with enough matched pairs — a week too thin to measure truncates it rather than being bridged over. Scoped to this set, using the same construction as the market index. How this is built.
XY - Roaring Skies sealed
5 sealed products in the sample · rebased to 100 at 2025-03-26- 30d
- +4.4%
- 90d
- +13.9%
- 1y
- +37.1%
- All
- +37.1%
- Level
- 140.7
Weekly chain-linked index. Each step compares only sealed products priced in BOTH of the two weeks, so items appearing or delisting cannot move the line — 10.6% of a fixed basket went dark over the last eleven months, and a level computed over whoever reported today would follow that instead of prices. An item must clear $5 in both weeks of a step to count: without a floor, penny rounding dominates. The line is the longest unbroken run of weeks with enough matched pairs — a week too thin to measure truncates it rather than being bridged over. Scoped to this set, using the same construction as the market index. How this is built.
Cards
4 cards| Card | Market | 7d | 30d | 90d |
|---|---|---|---|---|
 | $53.70 | +0.1% | -3.7% | |
 | $18.41 | -0.1% | -1.4% | |
 | $16.07 | +0.4% | +3.5% | |
 | $3.30 | +0.3% | 0.0% |