Slabline™
Graded-card protection score
Slabline™The Fortnite index is down 19.26% over this period, +0.72% in the last 7 days against -11.18% over 30. It sits 19.26% below the period high (101 on Oct 12) and 1.04% above the period low (Nov 5).
The period is negative but the last week has turned up — early signs of a floor.
Arithmetic over the index level series (7/30-day change, daily volatility, drawdown, distance from the period high and low). Not investment advice.
Value-weighted index, base 100 at the window start: the sum of the basket's observed values against the prior day's, chained daily, each card's move capped so one outlier can't dominate. Values come from real comparable sales resolved on Slabline card pages. The window deepens automatically as history accumulates. Long-run history reflects the 6 most-traded cards in this basket; the recent window covers all 97 tracked cards. Not investment advice.
Track them against this index — live values, a 0–1000 protection score, and a broker-ready insurance schedule. Free.
