The Wayne Gretzky index is down 15.02% over this period, +0.49% in the last 7 days against -15.00% over 30. It sits 15.46% below the period high (93 on Sep 15) and 0.79% above the period low (Sep 24).
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.
1982 Wayne Gretzky PSA 10Topps Stickers · $150+224.75%
1979 Wayne Gretzky PSA 5Topps · $1,849+186.29%
1991 Wayne Gretzky PSA 10Upper Deck · $40+166.60%
1995 Wayne Gretzky PSA 10Bowman's Best · $485+161.61%
1999 Wayne Gretzky PSA 10Upper Deck Victory · $143+138.03%
1984 Wayne Gretzky PSA 10Topps · $2,939+94.03%1997 Wayne Gretzky PSA 10Leaf Fire on Ice · $2,041+90.28%
1992 Wayne Gretzky PSA 10Upper Deck · $55-68.30%
1985 Wayne Gretzky PSA 10O-Pee-Chee · $2,502-64.26%
1980 Wayne Gretzky PSA 9Topps · $100-41.17%
1990 Wayne Gretzky PSA 10Score · $40-35.22%
1991 Wayne Gretzky PSA 10Stadium Club · $50-34.25%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 118 most-traded cards in this basket; the recent window covers all 569 tracked cards. Not investment advice.
Track them against this index — live values, a 0–1000 protection score, and a broker-ready insurance schedule. Free.