Est. MMXXVI · Saratoga, California

STOCKBOT

A paper trading ledger
Saratoga, Calif. Thursday, November 12, 2026 Market closed
Last updated Nov 12, 1:08 PM PST · not real-time
S&P 500 757.37 ▼ 0.32%◆Nasdaq 688.28 ▼ 0.31%◆Dow 522.455 ▼ 0.38%◆Russell 2000 278.53 ▼ 1.61%◆REGIME BULL◆S&P 500 757.37 ▼ 0.32%◆Nasdaq 688.28 ▼ 0.31%◆Dow 522.455 ▼ 0.38%◆Russell 2000 278.53 ▼ 1.61%◆REGIME BULL◆
Pairs

Two names, one spread

Mean reversion across sector pairs — when cousins diverge, the spread usually remembers its manners.


The board
Monitored
pairs across 8 sectors
Active
|Z| > 1.5
Entry
|Z| > 2.0
strong: |Z| > 2.5
Exit
|Z| < 0.5
reverted to mean
Z-score analysis · 15
PairZ-scoreHalf-lifeSignal
XOM/CVX -1.91 N/A WATCH
KO/PEP 1.54 169d WATCH
GOOGL/META 0.61 86d NONE
V/MA -0.6 229d NONE
HD/LOW 0.65 N/A NONE
DAL/UAL -1.62 1422d WATCH
AVGO/TXN -1.46 54d NONE
JPM/BAC -1 1192d NONE
CAT/DE -0.36 N/A NONE
NEE/DUK -0.87 N/A NONE
UNH/CVS -2.3 N/A ENTRY
LIN/APD 1.92 N/A WATCH
MCD/SBUX -0.21 225d NONE
PM/MO 0.85 N/A NONE
RTX/LMT 0.6 655d NONE
How to read it

Spread — log(priceA) − log(priceB), 60-day lookback. Z-score — (spread − 20d mean) ÷ 20d stdev.

Entry at |Z| > 2.0. Direction — Z > 0: short A, long B · Z < 0: long A, short B. Exit at |Z| < 0.5.

Half-life — estimated days for the spread to revert. Negative means it may not be mean-reverting at all.