AMPETER

A case on Key-Drop (YOUTUBERS CASES), first seen 2 Nov 2026. Every value is Key-Drop's own item price.

Price
$25.00
Advertised RTP
87.87%
EV $21.97 from 5 items
Observed RTP, 30d
85.93%
4,329 openings, odds method
Variance
3.9×
of price², per opening
Tail share
1 in 11
of openings carry half the EV
Below price
80.0%
of openings return less than the price

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

observed, 95% bandadvertisedoutside bandsmall sample
24 hours
86.51%±23.23284 openings
7 days
87.47%±7.242,887 openings
30 days
85.93%±5.844,329 openings
since tracking started
85.93%±5.844,329 openings
62.5%86.5%110.5%

Windowsthe test per window

WindowOpeningsObservedDev.Method
24h28486.51%±23.2−0.3σodds
7d2,88787.47%±7.24−0.6σodds
30d4,32985.93%±5.84−1.0σodds
All4,32985.93%±5.84−1.0σodds
Enough sample: 100 openings and 5 expected rare hits (odds method) or 1,000 openings (sample method).

Items, odds and values5 items · odds sum to 1 · observed counts over 4,329 openings, 30 days

Share of the expected value, most valuable first; colour is the item's rarity.
Values are Key-Drop'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 keydrop:skins/category/ampeter, 11 Nov, 14:48 UTC.

Observed RTP over timedaily, 30 days

Observed RTP, dailyAdvertised 87.87%

Catalog changesprice, advertised RTP and contents, per capture

CapturedPriceAdvertisedItems
11 Nov, 14:48 UTC$25.0087.87%5
10 Nov, 20:35 UTC$25.0090.30%5
10 Nov, 14:31 UTC$25.0089.15%5
9 Nov, 20:17 UTC$25.0089.60%5
9 Nov, 14:13 UTC$25.0089.74%5
8 Nov, 17:45 UTC$25.0090.33%5
8 Nov, 11:41 UTC$25.0089.30%5
7 Nov, 17:27 UTC$25.0089.87%5
7 Nov, 11:22 UTC$25.0089.33%5
6 Nov, 17:08 UTC$25.0088.80%5
6 Nov, 11:04 UTC$25.0088.84%5
5 Nov, 16:50 UTC$25.0089.61%5
5 Nov, 10:46 UTC$25.0089.20%5
4 Nov, 16:30 UTC$25.0089.14%5
4 Nov, 14:14 UTC$25.0088.61%5
3 Nov, 15:54 UTC$25.0087.05%5
3 Nov, 09:08 UTC$25.0087.98%5
2 Nov, 21:39 UTC$25.0087.84%5
Each opening is tested against the capture in force when it happened; a price or odds change starts a new one.

listedExtraordinary 0.7%epic 1.9%extraordinary 17.4%violet 80.0%best hit —