Feeling Rusty

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
$2.12
2.12 CSGOBIG_COIN
Advertised RTP
89.83%
EV $1.90 from 8 items
Observed RTP, 30d
176.08%
40 openings, odds method
Variance
28.8×
of price², per opening
Tail share
1 in 33
of openings carry half the EV
Below price
60.0%
of openings return less than the price

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

observed, 95% bandadvertisedoutside bandsmall sample
7 days
34 openings · below min
30 days
40 openings · below min
since tracking started
40 openings · below min
-0.5%178.5%357.5%

Small sample. 40 openings and 1.2 expected rare hits: below the 100 openings and 5 hits the test needs, so no verdict.

Windowsthe test per window

WindowOpeningsObservedDev.Method
24h0———
7d34176.28%±180.5—odds
30d40176.08%±166.4—odds
All40176.08%±166.4—odds
Enough sample: 100 openings and 5 expected rare hits (odds method) or 1,000 openings (sample method).

Items, odds and values8 items · odds sum to 1 · observed counts over 40 openings, 30 days

Share of the expected value, most valuable first; colour is the item's rarity.
ItemOddsValueEV shareObservedExpectedHot / cold
★ M9 Bayonet | Rust Coat (Well-Worn)knife · covert knife1 in 10,000$500 500 CSGOBIG_COIN2.6%00.0—
★ Talon Knife | Rust Coat (Well-Worn)knife · covert1 in 4,000$325 325 CSGOBIG_COIN4.3%00.0—
★ Bayonet | Rust Coat (Well-Worn)knife · #ffd7001 in 2,000$250 250 CSGOBIG_COIN6.6%00.0—
★ Flip Knife | Rust Coat (Well-Worn)knife · covert knife1 in 1,000$150 150 CSGOBIG_COIN7.9%00.0—
★ Ursus Knife | Rust Coat (Battle-Scarred)knife · covert1 in 500$100 100 CSGOBIG_COIN10.5%10.1—
PP-Bizon | Rust Coat (Minimal Wear)weapon · mil spec1 in 38$15.00 15 CSGOBIG_COIN20.6%11.00.96×
Nova | Rust Coat (Factory New)weapon · Industrial Grade37.0%$2.40 2.4 CSGOBIG_COIN46.6%1414.80.95×
SG 553 | Ol' Rusty (Battle-Scarred)weapon · milspec60.0%$0.03 0.03 CSGOBIG_COIN0.9%2424.01.00×
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=312, 11 Nov, 13:05 UTC.

Biggest dropsfrom this case, by value

No drops yetNo drop from this case seen yet.

Latest dropsnewest first

SG 553 | Ol' Rusty (Battle-Scarred)weapon · milspec$2.122.12 CSGOBIG_COIN$0.030.03 CSGOBIG_COIN0.01x
SG 553 | Ol' Rusty (Battle-Scarred)weapon · milspec$2.122.12 CSGOBIG_COIN$0.030.03 CSGOBIG_COIN0.01x
SG 553 | Ol' Rusty (Battle-Scarred)weapon · milspec$2.122.12 CSGOBIG_COIN$0.030.03 CSGOBIG_COIN0.01x
Nova | Rust Coat (Factory New)weapon · Industrial Grade$2.122.12 CSGOBIG_COIN$2.402.4 CSGOBIG_COIN1.13x
SG 553 | Ol' Rusty (Battle-Scarred)weapon · milspec$2.122.12 CSGOBIG_COIN$0.030.03 CSGOBIG_COIN0.01x
SG 553 | Ol' Rusty (Battle-Scarred)weapon · milspec$2.122.12 CSGOBIG_COIN$0.030.03 CSGOBIG_COIN0.01x
SG 553 | Ol' Rusty (Battle-Scarred)weapon · milspec$2.122.12 CSGOBIG_COIN$0.030.03 CSGOBIG_COIN0.01x
SG 553 | Ol' Rusty (Battle-Scarred)weapon · milspec$2.122.12 CSGOBIG_COIN$0.030.03 CSGOBIG_COIN0.01x
SG 553 | Ol' Rusty (Battle-Scarred)weapon · milspec$2.122.12 CSGOBIG_COIN$0.030.03 CSGOBIG_COIN0.01x
Nova | Rust Coat (Factory New)weapon · Industrial Grade$2.122.12 CSGOBIG_COIN$2.402.4 CSGOBIG_COIN1.13x

Observed RTP over timedaily, 30 days

Observed RTP, dailyAdvertised 89.83%

Catalog changesprice, advertised RTP and contents, per capture

CapturedPriceAdvertisedItems
3 Nov, 04:27 UTC$2.1289.83%8
Each opening is tested against the capture in force when it happened; a price or odds change starts a new one.

listedcovert knife 0.1%covert 0.2%#ffd700 0.1%mil spec 2.6%Industrial Grade 37.0%milspec 60.0%best hit —