Katana

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
$66.77
66.77 CSGOBIG_COIN
Advertised RTP
90.06%
EV $60.13 from 12 items
Observed RTP, 30d
27.78%
1 openings, odds method
Variance
7.8×
of price², per opening
Tail share
16.1%
of openings carry half the EV
Below price
83.9%
of openings return less than the price

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

observed, 95% bandadvertisedoutside bandsmall sample
7 days
1 openings · below min
30 days
1 openings · below min
since tracking started
1 openings · below min
-0.5%287.3%575.0%

Small sample. 1 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———
7d127.78%±546.5—odds
30d127.78%±546.5—odds
All127.78%±546.5—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 1 openings, 30 days

Share of the expected value, most valuable first; colour is the item's rarity.
ItemOddsValueEV shareObservedExpectedHot / cold
★ Talon Knife | Doppler (Factory New) (Ruby)knife · covert · Ruby1 in 1,000$4,165 4,165 CSGOBIG_COIN6.9%00.0—
★ Karambit | Fade (Minimal Wear)knife · epic1 in 500$1,770 1,770 CSGOBIG_COIN5.9%00.0—
★ Karambit | Lore (Well-Worn)knife · covert1 in 333$1,350 1,350 CSGOBIG_COIN6.7%00.0—
★ M9 Bayonet | Tiger Tooth (Factory New)knife · covert1 in 200$1,088 1,088 CSGOBIG_COIN9.0%00.0—
★ StatTrak™ Bowie Knife | Crimson Web (Minimal Wear)StatTrak · knife · covert1 in 1,091$635 635 CSGOBIG_COIN1.0%00.0—
★ Skeleton Knife | Safari Mesh (Field-Tested)knife · covert knife1 in 1,024$260 260 CSGOBIG_COIN0.4%00.0—
★ StatTrak™ Falchion Knife | Freehand (Battle-Scarred)StatTrak · knife · knifes1 in 34$149 149 CSGOBIG_COIN7.2%00.0—
★ Falchion Knife | Stained (Battle-Scarred)knife · #ffd70011.9%$99.84 99.84 CSGOBIG_COIN19.8%00.1—
M4A1-S | Dark Water (Minimal Wear)weapon · restricted14.4%$61.72 61.72 CSGOBIG_COIN14.8%00.1—
StatTrak™ AWP | Corticera (Minimal Wear)StatTrak · weapon · classified16.7%$36.48 36.48 CSGOBIG_COIN10.1%00.2—
Sticker | Team EnVyUs (Foil) | Cologne 2016sticker · #d32ce614.8%$25.64 25.64 CSGOBIG_COIN6.3%00.1—
Sticker | chopper (Foil) | London 2018sticker · #8847FF37.9%$18.55 18.55 CSGOBIG_COIN11.7%10.4—
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=1132, 11 Nov, 13:05 UTC.

Biggest dropsfrom this case, by value

No drops yetNo drop from this case seen yet.

Latest dropsnewest first

Sticker | chopper (Foil) | London 2018sticker · #8847FF$66.7766.77 CSGOBIG_COIN$18.5518.55 CSGOBIG_COIN0.28x

Observed RTP over timedaily, 30 days

Observed RTP, dailyAdvertised 90.06%
No data in this window

Catalog changesprice, advertised RTP and contents, per capture

CapturedPriceAdvertisedItems
3 Nov, 04:27 UTC$66.7790.06%12
Each opening is tested against the capture in force when it happened; a price or odds change starts a new one.

listedcovert 1.0%epic 0.2%covert knife 0.1%knifes 2.9%#ffd700 11.9%restricted 14.4%classified 16.7%#d32ce6 14.8%#8847FF 37.9%best hit —