Aquatic Arcana

A box on Cases.gg (classic), first seen 2 Nov 2026. Every value is Cases.gg's own item price.

Price
$3.43
Advertised RTP
89.42%
EV $3.07 from 18 items
Observed RTP, 30d
65.96%
1,405 openings, odds method
Variance
9.8×
of price², per opening
Tail share
1 in 17
of openings carry half the EV
Below price
79.7%
of openings return less than the price

Advertised vs observedper window, 95% band and the advertised marker

observed, 95% bandadvertisedoutside bandsmall sample
24 hours
50.76%±50.50147 openings
7 days
64.99%±18.091,146 openings
30 days
65.96%±16.341,405 openings
since tracking started
65.96%±16.341,405 openings
-0.5%50.8%102.0%

Outside band, 30 days. Advertised 89.42% sits outside the 95% band of the observed openings (49.63% – 82.30%, 1,405 openings, 30 days). The band comes from the site's own odds and values; the figure is a fact about these openings, not a verdict on the case.

Windowsthe test per window

WindowOpeningsObservedDev.Method
24h14750.76%±50.5−1.5σodds
7d1,14664.99%±18.1−2.6σodds
30d1,40565.96%±16.3−2.8σodds
All1,40565.96%±16.3−2.8σodds
Enough sample: 100 openings and 5 expected rare hits (odds method) or 1,000 openings (sample method).

Items and odds18 items · odds sum to 1 · observed counts over 1,405 openings, 30 days

Share of the expected value, most valuable first; colour is the item's rarity.
ItemOddsValueEV shareObservedExpectedHot / cold
Merfolk of the Pearl Trident (V.2)other1 in 286$15918.1%14.90.20×
Duel Decks: Merfolk vs. Goblins: Full Setother1 in 67$25.0012.2%1521.10.71×
Duel Decks: Merfolk vs. Goblins: 2-Player Duel Playmatother1 in 50$20.0013.0%2328.10.82×
Merfolk of the Pearl Tridentother1 in 50$20.0013.0%2328.10.82×
Gushother1 in 50$19.7012.8%2028.10.71×
The Lost Caverns of Ixalan "Merfolk" Storage Boxother1 in 29$5.005.7%4849.20.98×
Merfolk Token (Blue 1/1 Hexproof) (V.2)other1 in 25$4.005.2%5856.21.03×
Merfolk Wizard Token (Blue 1/1)other1 in 20$3.505.7%7770.31.10×
Merfolk Token (Blue 1/1 Hexproof)other1 in 20$2.003.3%5870.30.83×
Merfolk Token (Blue 1/1) (V.1)other1 in 20$1.702.8%7370.31.04×
Merfolk Relic Token (Foil)other1 in 14$1.002.3%100100.51.00×
River Merfolkother1 in 13$0.651.6%121105.41.15×
Merfolk Assassinother1 in 13$0.601.5%79105.40.75×
Merfolk Tricksterother1 in 13$0.260.6%123105.41.17×
Night of the Flying Merfolkother10.0%$0.200.7%158140.51.12×
Merfolk Sovereignother10.0%$0.170.6%145140.51.03×
Merfolk Branchwalkerother10.0%$0.150.5%132140.50.94×
Darting Merfolkother10.0%$0.100.3%151140.51.07×
Values are Cases.gg's own item prices for physical goods; EV share = odds × value ÷ EV. Hot / cold compares observed drops of each item with odds × openings; small expected counts are left blank. Odds read from cases-gg:api/cases/details, 11 Nov, 20:59 UTC.

Biggest dropsfrom this case, by value

No drops yetNo drop from this case seen yet.

Latest dropsnewest first

Merfolk Assassinother$3.43$0.600.17x
Night of the Flying Merfolkother$3.43$0.200.06x
Night of the Flying Merfolkother$3.43$0.200.06x
Merfolk Branchwalkerother$3.43$0.150.04x
River Merfolkother$3.43$0.650.19x
River Merfolkotherdeja vu$3.43$0.650.19x
Night of the Flying Merfolkother$3.43$0.200.06x
Darting Merfolkother$3.43$0.100.03x
Darting Merfolkother$3.43$0.100.03x

Observed RTP over timedaily, 30 days

Observed RTP, dailyAdvertised 89.42%

Catalog changesprice, advertised RTP and contents, per capture

CapturedPriceAdvertisedItems
2 Nov, 21:39 UTC$3.4389.42%18
Each opening is tested against the capture in force when it happened; a price or odds change starts a new one.

listedother 100.0%best hit —