LIQUIDITY LAYER (stablecoin supply growth) as an extra condition
  G on 100d (base)                   +4278% dd  -53%   |      +68% dd  -30%
  G, risk also needs stables 30d > 0  +5059% dd  -41%   |      +58% dd  -30%
  G, risk also needs stables 60d > 0  +5779% dd  -38%   |      +55% dd  -32%
  G, risk also needs stables 90d > 0  +4761% dd  -38%   |      +46% dd  -30%
  days risk-on with stables 60d shrinking: 230

STABLES 60d growth vs next 60d ALTS minus BTC (alts basket)
  low  tercile hold   n=115  median alts-vs-BTC  -6.0%  win 39%
  low  tercile recent n= 35  median alts-vs-BTC  -6.2%  win 11%
  mid  tercile hold   n= 62  median alts-vs-BTC  -2.6%  win 45%
  mid  tercile recent n= 88  median alts-vs-BTC  -2.2%  win 41%
  high tercile hold   n=122  median alts-vs-BTC  -1.7%  win 46%
  high tercile recent n= 28  median alts-vs-BTC -30.7%  win  0%

TRENCH WINDOW PROXY: BTC 7d crosses +10%, then MEMES vs BTC over 14d
  hold   n=36  memes beat BTC 19/36  median rel +0.1%  memes up 21/36
  recent n=11  memes beat BTC 5/11  median rel -2.4%  memes up 6/11
  base rate: memes beat BTC in any 14d window 39%, median -2.8%