The Yogi Berra index is down 16.44% over this period, -1.53% in the last 7 days against -18.77% over 30. It sits 16.44% below the period high (149 on Sep 14) and 0.00% above the period low (Oct 12).
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.
1957 Yogi Berra PSA 7Topps · $558+182.99%
1955 Yogi Berra PSA 4Bowman · $165+163.66%
1952 Yogi Berra PSA 5Topps · $523+107.96%
1948 Yogi Berra PSA 3Bowman · $1,033+96.39%
1991 Yogi Berra PSA 10Topps Archives 1953 · $139+34.94%
1948 Yogi Berra PSA 2Bowman · $708+34.51%1953 Yogi Berra PSA 4Topps · $129+28.60%
1953 Yogi Berra PSA 6Topps · $129+28.60%
1953 Yogi Berra PSA 3Topps · $129+28.40%
1964 Yogi Berra PSA 8Topps · $87-72.48%
1955 Yogi Berra PSA 8Bowman · $135-68.68%
1955 Yogi Berra PSA 6Bowman · $262-39.21%
2003 Yogi Berra PSA 10Upper Deck Sweet Spot Classic Patch · $62-33.49%
1952 Yogi Berra PSA 2Topps · $186-26.22%
1955 Yogi Berra PSA 10Topps · $22,576-25.34%
1950 Yogi Berra PSA 10Bowman · $46,245-25.04%1950 Yogi Berra SGC 3Bowman · $190-23.25%
1964 Yogi Berra PSA 10Topps · $3,869-16.48%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 42 most-traded cards in this basket; the recent window covers all 178 tracked cards. Not investment advice.
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