” A man’s got to know his limitations”.

Harry Callahan – Magnum Force (1973)

The nines
  1. Market is always right
    • Prices reflect the collective opinion of everyone based on everything available at that precise moment in time
    • You have an edge if and only if you can identify “misplaced bets” or “emotional influences”
  2. Capital Preservation always takes priority over Capital Appreciation
    • Stops or trailing stops on every trade – You cannot survive waiting to be right
    • Doing absolutely nothing – sitting on your hands – is perfectly acceptable and preferred vs. forcing a trade for the sake of trading
  3. Acceptable Risk always applies regardless of position size
    • 2% of Account Equity – rounded down – is the maximum allowable loss on any trade – start actively monitoring at 1%
    • Position sizing is important so the trade has room to breathe – larger the position, tighter the stop
  4. Never trade on margin
    • The only thing worse than losing your capital is losing borrowed capital
    • Use margin only to allow stops to exit trades before they settle (T+2)
  5. Never trade anything you wouldn’t be willing to own
    • Trade Thesis must apply equally regardless whether the holding period is 2 days or 2 years
    • Spend your time managing the winning trades, let the stops manage the losers
  6. Never add to a losing trade
    • Acceptable Risk determines the position size
    • Add to a position only if the trade is positive and the stop has been adjusted to protect profit
  7. Never let a winning trade turn red
    • Adjust the stop to keep it positive
    • If the trade stops out you can always put it back on if it still makes sense
  8. Never too early to take a loss
    • If it starts to move against you or your thesis begins to erode, act quickly
    • If it starts to rain, you can always go inside – “a shirt dotted with only a few raindrops dries very quickly”
  9. Opinions are many, Decisions are one
    • There is no substitution for due diligence and you must fully own every trade
    • Revisit your trading history frequently to see what is working and what is not

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