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SlabIQ

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SlabIQ

SWSH01: Sword & Shield Base Set · #213/202 · secret rare

Air Balloon Secret

Market Value

$11.30

Check TCGplayer Prices

Daily Change

-2.0%

30 Day Change

-8.1%

Price History

Gold is SlabIQ market. Blue / purple are eBay sold daily averages for PSA 10 and PSA 9 when available.

$12.69 → $11.30 (-11.0%)

SlabIQeBay sold · PSA 10eBay sold · PSA 9

Touch and drag the chart to explore price history.

$90.00$11.30

Oct 27

SlabIQ $11.30

PSA 10 $53.92

PSA 9 $27.00

Recent eBay Sales

Recent eBay sold comps by grade

$53.92

Sep 22, 2026 · PSA 10

eBay

View sold

$28.00

Aug 30, 2026 · PSA 10

eBay

View sold

$73.99

Aug 22, 2026 · PSA 10

eBay

View sold

$34.01

Jul 19, 2026 · PSA 10

eBay

View sold

$76.95

Jul 17, 2026 · PSA 10

eBay

View sold

Live eBay Listings

Buy It Now & Best Offer listings in English and Japanese

PSA 10 11 · PSA 9 2

eBay listings for this card have not been collected yet.

IQ Estimated Market Value

Multi-signal valuation when recent sales are sparse or unavailable

IQ Estimated Market Value

$24.24

Confidence

95% · High

Method

Sales comps

Catalog market

$11.30

7d trend

-2.3%

Scarcity score

85/100

Recent sales median

$44.47

Supporting data points (6)

Recent sold comps$44.47
8 recent sales; median 44.47
Weight 45% · Confidence 95%
SlabIQ catalog market$11.30
Catalog NM market 11.3
Weight 30% · Confidence 72%
Set comparable cards$0.64
6 priced cards in SWSH01: Sword & Shield Base Set; set median 0.26, secret rare rarity adjustment
Weight 22% · Confidence 46%
Trend-adjusted historical$11.04
-2.3% 7d trend applied to base 11.3
Weight 18% · Confidence 78%
Lowest active listing$10.18
Lowest listing 10.49 (slight discount applied)
Weight 12% · Confidence 58%
Scarcity & rarity premium$12.07
Scarcity score 85/100 (secret rare, modern)
Weight 10% · Confidence 52%

How this was calculated

1.Strong recent sales data (8 comps) anchors the estimate with supporting catalog and trend signals.
2.SlabIQ catalog market for Air Balloon Secret is 11.3 (NM raw).
3.6 priced cards in SWSH01: Sword & Shield Base Set; set median 0.26, secret rare rarity adjustment.
4.Recent market trend: -2.3% over ~7 days.
5.Rarity/scarcity (secret rare, score 85/100) adds a modest premium.
6.Primary method: recent sold comparables.