The Tom Brady index is down 3.29% over this period, +4.74% in the last 7 days against -3.23% over 30. It sits 4.76% below the period high (146 on Sep 14) and 4.74% above the period low (Oct 4).
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.
2003 Tom Brady PSA 10Fleer Mystique · $588+291.51%
2015 Tom Brady PSA 10Panini Donruss Elite Series · $200+226.96%
2015 Tom Brady PSA 10Topps Finest 1995 Refractor · $2,180+211.43%
2017 Tom Brady PSA 10Panini Contenders · $130+197.87%
2008 Tom Brady PSA 10Stadium Club · $1,350+175.58%
2005 Tom Brady PSA 10Topps Chrome Throwbacks · $549+160.68%
2007 Tom Brady PSA 10Topps Finest · $510+155.43%
2005 Tom Brady PSA 10Upper Deck Reflections · $60-72.33%
2013 Tom Brady PSA 10Bowman · $36-70.46%
2008 Tom Brady PSA 10Upper Deck Masterpieces · $55-69.32%
2018 Tom Brady PSA 10Panini Prizm · $77-69.20%
2018 Tom Brady PSA 10Panini Select · $51-65.33%
2004 Tom Brady PSA 10Spx · $120-59.57%
2020 Tom Brady PSA 10Panini Donruss Optic Downtown · $9,000-56.73%
2002 Tom Brady PSA 10Topps Heritage · $279-55.90%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 284 most-traded cards in this basket; the recent window covers all 820 tracked cards. Not investment advice.
Track them against this index — live values, a 0–1000 protection score, and a broker-ready insurance schedule. Free.