SPX vs True Node Speed = Mean Node Speed + Extremes

Upcoming signal-days:
Dec 05 (Mon), Dec 08 (Thu), Dec 10 (Sat), Dec 14 (Wed), Dec 18 (Sun), Dec 21 (Wed),
Dec 23 (Fri), Dec 28 (Wed), Jan 02 (Mon), Jan 05 (Thu), Jan 08 (Sun), Jan 11 (Wed).