TraderTypes · TT4 · Provisional type
ISTJThe Rulebook Trader
Trade the checklist, log every miss, and change one rule at a time.
Your best first move is to make one rule set boringly repeatable—not to add more signals.
Checklists can keep you steady, but a rule that worked in one market regime can become a liability in another. Build a simple process, then give it a scheduled reality check.
What to practice first
- One clearly defined swing setup
- Daily-chart trend following
- Broad-index ETF observation
What to avoid for now
Headline chasing, changing the plan mid-trade, and using leverage or short-option positions without a written exit and a full understanding of the downside.
How losses usually begin
You keep following a rule after its market assumptions have broken—or rewrite the whole playbook after one rule-breaking loss.
A simple execution template
- Entry
- Enter only when every item on the setup checklist is true
- Risk
- Set the risk cap before the order; conviction does not raise it
- Exit
- Act when the written invalidation condition appears
- Review
- Score execution first, and change no more than one rule per review cycle
If you are getting started
Paper-trade one setup for 30 observations. Track checklist compliance before judging the win rate.
Once you have experience
Add a regime filter for trend, volatility, and major events; version each rule set so hindsight cannot quietly rewrite it.
How you tend to make decisions
Clarity measures net lean; consistency measures how often answers agreed in direction. Neither represents confidence, ability, or personality strength.
- What comes naturallyFilters noise and builds an independent read
- Where it can go wrongCan keep researching after the decision is already actionable
- Your non-negotiable ruleSet a decision time and allow only three outcomes: act, watch, or pass.
- What comes naturallyCatches concrete price, timing, and execution details
- Where it can go wrongCan polish the setup while the broader regime is changing
- Your non-negotiable ruleAdd one scheduled market-context check outside the setup.
- What comes naturallyBuilds consistent criteria and weighs trade-offs
- Where it can go wrongCan keep defending a model after the tape changes
- Your non-negotiable ruleWrite invalidation before the thesis. Do not rewrite it mid-trade.
- What comes naturallyTurns a plan into an executable sequence
- Where it can go wrongCan force a trade—or preserve a rule—after conditions change
- Your non-negotiable ruleCount “no trade” as a valid outcome. Change rules only after the session.
Practice paths to test first
The order answers what to paper-test first. It reflects schedule, review habit, answer pattern, and execution risk—not expected profit.
Structured swing practice
An after-close practice using a small watchlist, defined setups, and multi-day holding windows.
This is a practice idea, not a recommendation. Take the full assessment first—your schedule, experience, and review habits can change the answer.
- Time horizon to testTwo to ten trading days
- Where to startPaper-trade one liquid index ETF or a short list of large companies using end-of-day data.
- Main watch-outDo not change the setup or position-sizing rule until the observation set is complete.
Another profile may fit in a different setting
One or more preference pairs landed near the middle. Read these nearby profiles as alternate contexts, not competing verdicts.
It does not know your finances, goals, tax situation, risk capacity, market knowledge, costs, or actual trading skill. Those factors must be assessed separately before any real-money decision.
Start with personality. Finish with a process you can actually test.
The same four letters can lead to a different practice window, starting market, derivatives boundary, and stop rule when schedule or experience changes.