On  /  pair dynamics:

- alts may grow with BTC while in range &lt;42k
- 40-60k: focus  =&gt; alts fall
- 60-67k: alts will catch up
- 67k+: all focus on $BTC, mania =&gt; alts fall
- 90k+ focus shifts to alts, mania =&gt; New ATH

Rinse, dry, repeat for final run!