https://zerodha.com/varsity/chapter/impulsive-trading-possible-causes-and-cures/ is concise. “It’s important to remember that you must carefully monitor market conditions, and apply a trading method when it is likely to produce a profit. If a high probability setup doesn’t present itself, it is vital to stand aside.”

Affected asset classes: FX, but mostly stocks/ETF

— tcost for recreational investing .. Managing impulsive trading may have a non-trivial tcost. As recreational investors we need to accept the tcost. To a recreational investor, runaway tcost can be equal-to or bigger-than $cost as a concern. (As my confidence grow, financial risk-taking will grow.) For small orders, I need to strike a balance between two tendencies

• ($cost) emotional, irrational, impulsive trading. This could also create tcost like distraction, lost sleep iFF the position becomes sizable.
• (tcost) over-think, over-analyze, but no purchase in the end.

— other speed humps and speed bumps

• hump: One way to mitigate this infatuation is side-by-side comparative analysis.
• Bump: Limiting the concentration risk and aggregate exposure is another control measure. Infatuated investors like to “play big” and win big.
• .. At Robinhood, the risk  capital on each stock tend to be small.
• hump: Also, listen to friends, family and advisors, including Kun.hu.
• Bump: A cool-down period has proven helpful in my experience. Pre-clearance is the most effective antidote for impulsive trading. However, compliance breach threatens my job security and represents the most grave danger, worse than trading loss
• hump: fractional investing is another antidote . Instead of “stand aside”, I can commit $5 to $20.
• hump: Incremental build-up reduces the pressure, stress of due diligence.
• .. one extremely form of incremental build-up invests up to USD 20 in an unfamiliar stock, just to monitor it.
• .. YES I should learn to embrace small positions on a stock after a 5min pre-trade effort (pre-clear, documentation..). Even though roti is low, this stand-aside is suitable for recreational investing.