Slabline™
Graded-card protection score
Slabline™The Ernie Banks index is down 12.81% over this period, -9.45% in the last 7 days against -11.40% over 30. It sits 14.28% below the period high (126 on Sep 20) and 3.63% above the period low (Oct 10).
Downtrend in place; until the 7-day move turns positive, expect the low to be retested.
Arithmetic over the index level series (7/30-day change, daily volatility, drawdown, distance from the period high and low). Not investment advice.
1954 Ernie Banks SGC 5Topps · $2,725+289.84%
1999 Ernie Banks PSA 10Upper Deck Century Legends · $503+232.76%1954 Ernie Banks SGC 4.5Topps · $2,169+210.30%
1954 Ernie Banks PSA 3.5Topps · $1,500+114.59%
1960 Ernie Banks PSA 4Topps · $85+113.44%
1959 Ernie Banks PSA 3Topps · $78+110.81%
1969 Ernie Banks PSA 10O Pee Chee · $6,268+89.12%
1954 Ernie Banks SGC 3Topps · $1,074+53.58%
1954 Ernie Banks SGC 1Topps · $570+32.25%
1976 Ernie Banks PSA 9Laughlin Diamond Jubilee · $51+24.39%
1966 Ernie Banks PSA 7Topps · $70-62.41%
1957 Ernie Banks PSA 10Topps · $14,384-41.65%
1960 Ernie Banks PSA 8Topps · $723-39.74%
1954 Ernie Banks SGC 7Topps · $6,805-37.80%
1968 Ernie Banks PSA 4.5Topps Venezuelan · $480-27.27%
1963 Ernie Banks PSA 10Topps · $9,217-21.08%
1961 Ernie Banks PSA 10Topps · $10,447-20.91%1954 Ernie Banks SGC 5.5Topps · $563-19.53%
1954 Ernie Banks PSA 10Topps · $150,478-17.45%
1959 Ernie Banks PSA 10Topps · $6,357-15.94%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 49 most-traded cards in this basket; the recent window covers all 210 tracked cards. Not investment advice.
Track them against this index — live values, a 0–1000 protection score, and a broker-ready insurance schedule. Free.
