The Roberto Clemente index is down 27.92% over this period, -0.70% in the last 7 days against -28.06% over 30. It sits 27.92% below the period high (95 on Sep 12) and 0.86% above the period low (Oct 6).
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.
1955 Roberto Clemente SGC 5.5Topps · $7,860+295.56%
1967 Roberto Clemente PSA 6Topps · $225+282.13%
1973 Roberto Clemente PSA 10O Pee Chee · $4,252+272.33%
1963 Roberto Clemente PSA 6Topps · $489+201.16%
1971 Roberto Clemente PSA 8Topps · $2,762+172.10%
1971 Roberto Clemente PSA 10Topps Super · $13,281+169.90%1960 Roberto Clemente PSA 8.5Topps · $4,551+165.27%
2020 Roberto Clemente PSA 10Topps Project 2020 · $70-67.21%
2020 Roberto Clemente PSA 10Topps Project 2020 · $86-59.71%
1959 Roberto Clemente PSA 9Topps · $325-59.38%1960 Roberto Clemente PSA 5Topps · $125-58.38%
1971 Roberto Clemente PSA 10Topps · $42,456-46.39%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 89 most-traded cards in this basket; the recent window covers all 349 tracked cards. Not investment advice.
Track them against this index — live values, a 0–1000 protection score, and a broker-ready insurance schedule. Free.