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2015issue C0259-61

Signal, confirm, and invalidate before the trade

A chart opinion is unfinished work until written rules name the signal, the confirmation, the invalidation, and an expected-value bound. When present market state cannot be classified, stand-aside is a completed output.

  • Technical study classifies present price and volume as the visible result of supply and demand. It is not a forecast of the next day, week, or month.
  • Consistent action requires written rules that name when a signal exists, when it is confirmed, and how the thesis will be shown to be wrong.
  • An expected-value filter, not impulse, gates the order after historic context, present context, volatility, and instrument character are written down.
  • Stand-aside is the required output when present market state cannot be classified under the written rules.
Entries in this reading3 entries

Read the present market, not the next move

Technical study is defined as reading price and volume as the visible result of supply and demand, not as an inquiry into why participants hold those views.

Group reactions are treated as only roughly repeatable, so chart work is a judgment tool and is not presented as a complete model of the next price move.

The prescribed reading task is to classify present market action: trend, range, prior highs, and pullbacks. That task is not a forecast of the next day, week, or month.

Write the signal, the confirmation, and the invalidation

Consistent action requires written rules that specify when a signal exists, when that signal is confirmed, and how the decision will be shown to be wrong.

A signal is the first price-and-volume condition that qualifies a possible action. Confirmation is a second market action that agrees with the signal before risk is taken. Invalidation is the predefined condition that proves the thesis wrong and triggers a controlled exit.

In the resistance illustration, a pullback is the signal, a second rejection is confirmation, and a close back through the level is the invalidation used to locate a bounded stop.

Short courses that only introduce definitions and patterns are criticized for creating a false sense of competence without a complete decision procedure.

Stand-aside is the required output when present market state cannot be classified under the written rules.

Let expected value, not impulse, gate the trade

Whether technical tools help is framed as a function of the user's skill and self-control, because readable patterns are attributed to recurring fear and greed in the participants themselves.

If-then rules are extended with historic context, present context, volatility, and instrument character so an expected-value check, not impulse, gates the trade.

Hedging a trade that is already failing is described as able to enlarge the loss when both legs and spread prices move against the book.

Exchange documentation, equivalent products on more than one venue, and the broker's ability to route to a chosen venue are listed as constraints to check before sending business.

Educational research material, not investment advice. Historical source context does not establish present-day performance.
17 of 22 in the Expected value track
201549-49 pp.Next on Expected valuePrice the win, stall, and loss before a stock entryFrame the strategy as if-then rules for instrument type, market conditions, and trade qualifiers, and account for both win potential and loss magnitude.
All readings on this track · 22 readings
  1. 1995A pre-trade checklist that bounds loss before the order
  2. 1998Ledger audit of exits, payoff, and overlap
  3. 1998A return-to-loss filter for drawdown-aware evaluation
  4. 2000Pair historical volatility with return-to-loss filters
  5. 2001Credit-spread construction that can fail before any order is sent
  6. 2002Evaluating mechanical systems in a traders market
  7. 2002Profitability as a bound implied by RWL and commission
  8. 2004A day-trading breakeven matrix for size and win rate
  9. 2006Sit out, size and expectancy as one procedure
  10. 2006A testable intraday procedure from setup to stand-down
  11. 2007A planned liquidity offer at the inflection point
  12. 2011A style-neutral expectancy filter for system evaluation
  13. 2011Separate buying power from posted risk capital
  14. 2012Design before you trade: testing mechanical systems
  15. 2014Ideal trader hindsight as a pretrade filter
  16. 2014When expectancy and drawdown limits disagree
  17. 2015Signal, confirm, and invalidate before the trade
  18. 2015Price the win, stall, and loss before a stock entry
  19. 2016Construct expectancy by bounding losses and winner size
  20. 2017Estimate expectancy before you accept the trade
  21. 2017Size ladder tests for drawdown caps and expected value
  22. 2017Evaluate a high-yield correlation break as one locked procedure
All 40 readings tagged Expected value
Also on Expected value5 readings