5% Sapphire

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
$290.01
290 CSGOBIG_COIN
Advertised RTP
90.00%
EV $261.01 from 11 items
Observed RTP, 30d
0.00%
18 openings, odds method
Variance
29.6×
of price², per opening
Tail share
1 in 100
of openings carry half the EV
Below price
95.0%
of openings return less than the price

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

observed, 95% bandadvertisedoutside bandsmall sample
7 days
18 openings · below min
30 days
18 openings · below min
since tracking started
18 openings · below min
-0.5%125.8%252.0%

Small sample. 18 openings and 0.2 expected rare hits: below the 100 openings and 5 hits the test needs, so no verdict.

Windowsthe test per window

WindowOpeningsObservedDev.Method
24h0———
7d180.00%±251.1—odds
30d180.00%±251.1—odds
All180.00%±251.1—odds
Enough sample: 100 openings and 5 expected rare hits (odds method) or 1,000 openings (sample method).

Items, odds and values11 items · odds sum to 1 · observed counts over 18 openings, 30 days

Share of the expected value, most valuable first; colour is the item's rarity.
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=340, 11 Nov, 12:47 UTC.

Biggest dropsfrom this case, by value

No drops yetNo drop from this case seen yet.

Latest dropsnewest first

P250 | Sand Dune (Well-Worn)weapon · consumer$290290 CSGOBIG_COIN$0.010.01 CSGOBIG_COIN0.00x
P250 | Sand Dune (Well-Worn)weapon · consumer$290290 CSGOBIG_COIN$0.010.01 CSGOBIG_COIN0.00x
P250 | Sand Dune (Well-Worn)weapon · consumer$290290 CSGOBIG_COIN$0.010.01 CSGOBIG_COIN0.00x
P250 | Sand Dune (Well-Worn)weapon · consumer$290290 CSGOBIG_COIN$0.010.01 CSGOBIG_COIN0.00x
P250 | Sand Dune (Well-Worn)weapon · consumer$290290 CSGOBIG_COIN$0.010.01 CSGOBIG_COIN0.00x
P250 | Sand Dune (Well-Worn)weapon · consumer$290290 CSGOBIG_COIN$0.010.01 CSGOBIG_COIN0.00x
P250 | Sand Dune (Well-Worn)weapon · consumer$290290 CSGOBIG_COIN$0.010.01 CSGOBIG_COIN0.00x
P250 | Sand Dune (Well-Worn)weapon · consumer$290290 CSGOBIG_COIN$0.010.01 CSGOBIG_COIN0.00x
P250 | Sand Dune (Well-Worn)weapon · consumer$290290 CSGOBIG_COIN$0.010.01 CSGOBIG_COIN0.00x
P250 | Sand Dune (Well-Worn)weapon · consumer$290290 CSGOBIG_COIN$0.010.01 CSGOBIG_COIN0.00x

Observed RTP over timedaily, 30 days

Observed RTP, dailyAdvertised 90.00%

Catalog changesprice, advertised RTP and contents, per capture

CapturedPriceAdvertisedItems
3 Nov, 04:27 UTC$29090.00%11
Each opening is tested against the capture in force when it happened; a price or odds change starts a new one.

listedcovert 5.0%consumer 95.0%best hit —