Underwater Odyssey

A case on CSGOBig, first seen 3 Nov 2026. Every value is CSGOBig's own item price converted from csgobig coin at the rate on the site page.

Price
$5.00
5 CSGOBIG_COIN
Advertised RTP
89.99%
EV $4.50 from 12 items
Observed RTP, 30d
97.38%
24 openings, odds method
Variance
152.3×
of price², per opening
Tail share
18.2%
of openings carry half the EV
Below price
72.7%
of openings return less than the price

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

observed, 95% bandadvertisedoutside bandsmall sample
24 hours
11 openings · below min
7 days
22 openings · below min
30 days
24 openings · below min
since tracking started
24 openings · below min
-0.5%387.5%775.5%

Small sample. 24 openings and 4.4 expected rare hits: below the 100 openings and 5 hits the test needs, so no verdict.

Windowsthe test per window

WindowOpeningsObservedDev.Method
24h1145.64%±729.4—odds
7d2286.24%±515.7—odds
30d2497.38%±493.8—odds
All2497.38%±493.8—odds
Enough sample: 100 openings and 5 expected rare hits (odds method) or 1,000 openings (sample method).

Items, odds and values12 items · odds sum to 1 · observed counts over 24 openings, 30 days

Share of the expected value, most valuable first; colour is the item's rarity.
ItemOddsValueEV shareObservedExpectedHot / cold
★ Bayonet | Gamma Doppler (Factory New) (Emerald)knife · covert · Emerald1 in 10,000$6,132 6,132 CSGOBIG_COIN13.6%00.0—
StatTrak™ P250 | Undertow (Factory New)StatTrak · weapon · Legendary1 in 64$50.00 50 CSGOBIG_COIN17.3%00.4—
Souvenir SG 553 | Waves Perforated (Battle-Scarred)Souvenir · weapon · #B0C3D916.6%$11.00 11 CSGOBIG_COIN40.6%94.02.26×
StatTrak™ MP7 | Ocean Foam (Minimal Wear)StatTrak · weapon · #8847ff1 in 11$10.00 10 CSGOBIG_COIN20.2%12.20.46×
Souvenir Glock-18 | High Beam (Factory New)Souvenir · weapon · Industrial1 in 33$2.97 2.97 CSGOBIG_COIN2.0%10.7—
StatTrak™ P250 | Ripple (Factory New)StatTrak · weapon · mil spec1 in 16$0.75 0.75 CSGOBIG_COIN1.0%01.50.00×
StatTrak™ P2000 | Oceanic (Well-Worn)StatTrak · weapon · Mil Spec Grade13.6%$0.63 0.63 CSGOBIG_COIN1.9%33.30.92×
StatTrak™ P250 | Ripple (Minimal Wear)StatTrak · weapon · milspec12.1%$0.46 0.46 CSGOBIG_COIN1.2%32.91.03×
MP7 | Cirrus (Well-Worn)weapon · milspec10.6%$0.30 0.3 CSGOBIG_COIN0.7%22.50.79×
MAC-10 | Oceanic (Well-Worn)weapon · milspec1 in 22$0.29 0.29 CSGOBIG_COIN0.3%01.10.00×
P2000 | Oceanic (Factory New)weapon · mil spec15.1%$0.24 0.24 CSGOBIG_COIN0.8%33.60.83×
MAC-10 | Oceanic (Battle-Scarred)weapon · #4b69ff1 in 13$0.15 0.15 CSGOBIG_COIN0.3%21.81.10×
Values are CSGOBig's own item prices; 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 csgobig:api/cases/getDetails?id=190, 11 Nov, 06:29 UTC.

Biggest dropsfrom this case, by value

No drops yetNo drop from this case seen yet.

Latest dropsnewest first

MAC-10 | Oceanic (Battle-Scarred)weapon · #4b69ff$5.005 CSGOBIG_COIN$0.150.15 CSGOBIG_COIN0.03x
MAC-10 | Oceanic (Battle-Scarred)weapon · #4b69ff$5.005 CSGOBIG_COIN$0.150.15 CSGOBIG_COIN0.03x
StatTrak™ P250 | Ripple (Minimal Wear)StatTrak · weapon · milspec$5.005 CSGOBIG_COIN$0.460.46 CSGOBIG_COIN0.09x
StatTrak™ P2000 | Oceanic (Well-Worn)StatTrak · weapon · Mil Spec Grade$5.005 CSGOBIG_COIN$0.630.63 CSGOBIG_COIN0.13x
P2000 | Oceanic (Factory New)weapon · mil spec$5.005 CSGOBIG_COIN$0.240.24 CSGOBIG_COIN0.05x
Souvenir SG 553 | Waves Perforated (Battle-Scarred)Souvenir · weapon · #B0C3D9$5.005 CSGOBIG_COIN$11.0011 CSGOBIG_COIN2.20x
P2000 | Oceanic (Factory New)weapon · mil spec$5.005 CSGOBIG_COIN$0.240.24 CSGOBIG_COIN0.05x
StatTrak™ P2000 | Oceanic (Well-Worn)StatTrak · weapon · Mil Spec Grade$5.005 CSGOBIG_COIN$0.630.63 CSGOBIG_COIN0.13x
Souvenir SG 553 | Waves Perforated (Battle-Scarred)Souvenir · weapon · #B0C3D9$5.005 CSGOBIG_COIN$11.0011 CSGOBIG_COIN2.20x
MP7 | Cirrus (Well-Worn)weapon · milspec$5.005 CSGOBIG_COIN$0.300.3 CSGOBIG_COIN0.06x

Observed RTP over timedaily, 30 days

Observed RTP, dailyAdvertised 89.99%

Catalog changesprice, advertised RTP and contents, per capture

CapturedPriceAdvertisedItems
3 Nov, 04:27 UTC$5.0089.99%12
Each opening is tested against the capture in force when it happened; a price or odds change starts a new one.

listedcovert 0.0%Legendary 1.6%#B0C3D9 16.6%#8847ff 9.1%Industrial 3.1%mil spec 21.2%Mil Spec Grade 13.6%milspec 27.3%#4b69ff 7.6%best hit —