The Joe DiMaggio index is down 2.01% over this period, +0.49% in the last 7 days against -2.01% over 30. It sits 2.01% below the period high (118 on Sep 12) and 4.91% above the period low (Sep 18).
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.
1938 Joe DiMaggio PSA 6R323 Goudey · $4,349+118.65%
1938 Joe DiMaggio PSA 1R323 Goudey Heads-Up · $4,349+118.65%
1938 Joe DiMaggio PSA 3R323 Goudey Heads-Up · $4,349+118.65%
1951 Joe DiMaggio PSA 6Berk Ross · $852+66.96%
1941 Joe DiMaggio PSA 10Play Ball · $707,164+14.94%
1938 Joe DiMaggio PSA 8R323 Goudey Heads-Up · $98,975+13.76%
1977 Joe DiMaggio PSA 10TCMA Renata Galasso · $279+13.34%
1938 Joe DiMaggio PSA 2R323 Goudey Heads-Up · $11,378+11.54%
1939 Joe DiMaggio PSA 10Play Ball · $643,251-20.61%
1940 Joe DiMaggio PSA 10Play Ball · $217,176-19.38%1951 Joe DiMaggio SGC 1Berk Ross · $455-10.78%1951 Joe DiMaggio PSA 1Berk Ross · $455-10.78%
1938 Joe DiMaggio PSA 5R323 Goudey Heads-Up · $9,687-4.55%
2025 Joe DiMaggio PSA 10Topps Welcome to the Club 3X MVP · $40-1.06%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 22 most-traded cards in this basket; the recent window covers all 96 tracked cards. Not investment advice.
Track them against this index — live values, a 0–1000 protection score, and a broker-ready insurance schedule. Free.