So bleach your bloodhound, clean your chihuahua, and disinfect your doberman.:)
https://scitechdaily.com/are-dogs-spreading-sars-cov-2-study-finds-living-with-a-dog-increases-risk-of-contracting-covid-19/
For the 16,033 daily closing prices of the S&P 500 from yahoo finance since March 4, 1957, the distribution of first digits is similar except for a small rise with 8 and 9.
I looked at the C++ code, and it wouldn't hurt to have comments.
There were several places where it would be better practice to pass function arguments by reference instead of copying. And some methods could be const. For example...
Trading in the direction of the trend after a pullback is a form of trend following, at least according to:
https://www.warriortrading.com/trend-trading/
https://www.asktraders.com/learn-to-trade/trading-guide/pullback-breakout-styles-trading/...
The GRAB trend following system featured in the book (buys pullbacks on uptrends and sells them on downtrends) has poor results in a long-term backtest.
Some states send ballots, not ballot applications, to all registered voters.
https://www.fox10phoenix.com/news/voting-by-mail-9-states-send-ballots-automatically-35-allow-covid-19-as-an-excuse-6-require-other-reason