Summary: A deep dive into a veteran trader"s journaling discipline that turned consistent losses into sustained profitability. Includes specific position sizing rules, stop-loss placement logic, and entry/exit criteria.




I didn"t start keeping a trading journal because I thought it was a good idea. I started because I was out of options.

The first seven months of 2006 had been a slow bleed. Not the spectacular blow-up kind—those at least make for a good story. Just a steady, grinding erosion of account equity that left me staring at my screen every Friday afternoon with the same hollow feeling. I could point to any individual trade and find a reason it made sense at the time. The trend was there. The setup was clean. But the P&L didn"t lie.

By August, I was down 32%. Not enough to wipe me out. Enough to make me question whether I had any business doing this at all.

Then I stumbled onto something that changed the trajectory entirely. Not a new indicator. Not a secret pattern. A piece of advice from a trader I"d never met, buried in a book I"d picked up out of desperation: write everything down.

That trader was Alexander Elder. And the practice he advocated—meticulous, unglamorous trade logging—turned out to be the single most profitable decision I ever made.

The Psychiatrist Who Learned to Trade



Alexander Elder wasn"t supposed to be a trader. He trained as a psychiatrist, practicing in New York after defecting from the Soviet Union in the 1970s. His first encounter with markets came almost by accident—reading a book about stock investing during a cross-country drive and finding himself captivated by the idea that an individual could make decisions that actually mattered .

What set Elder apart wasn"t his market insight initially. It was his professional training. As a psychiatrist, he understood that markets weren"t just about economics—they were about human behavior. And human behavior, left unchecked, was remarkably consistent in its self-destructive patterns.

When Elder eventually published Trading for a Living, he didn"t write another technical analysis textbook. He wrote what amounted to a psychological field guide for traders. The core argument was deceptively simple: you cannot consistently beat the market until you understand what drives your own decisions, and the most practical tool for that understanding is a trading journal .

It was a concept so obvious that most traders dismissed it. Including me, at first.

What Actually Goes Into a Trade Journal



Let me be specific about what I started doing in August 2006, because vague advice is useless advice.

Before I entered any trade, I filled out a structured log. Every entry had these fields:

  • Date and time - precise timestamp of the entry

  • Currency pair - which instrument I was trading

  • Direction - long or short

  • Entry price - exact fill price

  • Position size - number of units or lots

  • Stop-loss level - predetermined exit if wrong

  • Initial take-profit level - target price for exit

  • Entry rationale - written out in plain English, not technical shorthand

  • Confidence level - self-rating from 1 to 10

  • Expected holding period - minutes, hours, days, or weeks


  • After the trade closed, I added:

  • Exit price

  • Actual P&L in both pips and dollars

  • Exit rationale - what triggered the close

  • Emotional state during trade - calm, anxious, overconfident, fearful, etc.

  • What I learned - one sentence minimum


  • This wasn"t about data analysis initially. It was about the process of writing itself. As Elder observed, thoughts are abstract and fuzzy. Writing makes them concrete and specific . When you have to articulate why you"re buying EUR/USD at 1.2850 in a complete sentence, the flaws in your reasoning become visible in a way they never are when the thought stays inside your head.

    The First Revelation: My Strategy Didn"t Match My Personality



    By week three of journaling, I had 47 logged trades. I exported the spreadsheet and started looking for patterns.

    What I found wasn"t about market behavior. It was about my behavior.

    Elder argues that many traders fail because their motivation doesn"t align with their method . If you want steady income but you"re trading a system designed for home-run swings, you"ll constantly exit winners too early and hold losers too long. The strategy isn"t wrong—it"s just wrong for you.

    My journal revealed a stark mismatch. I was trading what I thought was a trend-following system, but my entries were almost entirely in ranging markets. I was uncomfortable holding positions longer than 48 hours, yet my stated strategy required multi-week holds. When volatility spiked, I found excuses to close trades that were still working. When markets went quiet, I forced entries that didn"t meet my own criteria.

    The smoking gun was in the confidence ratings. My highest-confidence trades—the ones I rated 8 or above—weren"t my most profitable. They were my most comfortable. I had built a self-reinforcing loop where I rated trades based on how familiar they felt, not how statistically probable they were to succeed. I was essentially paying the market to confirm my biases.

    At that point, I faced a choice: change the strategy or change myself.

    Building a Journal-Based Trading System



    I chose to change both. But I did it systematically, using the journal as my laboratory.

    Elder"s training as a psychiatrist taught him that lasting behavioral change requires structure, not willpower. He recommended that traders define clear goals and work backward to understand the obstacles . I adapted this into a formal process:

    Step 1: Define the Trading Motive

    Why was I actually trading? Not the aspirational answer ("financial freedom"), but the real one. My journal showed I traded for the intellectual challenge and the validation of being right. Financial gain was secondary. Once I admitted that, I could design a system that prioritized accuracy over return—which meant smaller positions, tighter stops, and more frequent trades.

    Step 2: Establish Position Sizing Rules

    The journal revealed that my biggest losses all had one thing in common: oversized positions during moments of overconfidence. I implemented a fixed-fraction sizing rule based on the insights from a 期货日报 piece on risk control that I"d read years earlier .

    The rule was simple:

  • Base position size: 2% of account equity at risk per trade

  • Calculation: Risk per trade (dollars) = Account equity × 0.02 / Stop-loss distance (in pips)

  • Example: $50,000 account × 0.02 = $1,000 risk per trade. If stop-loss is 50 pips, position size = $1,000 / ($10 per pip on standard lot) = 2 standard lots


  • This formula forced me to think in terms of risk, not reward. It also automatically scaled positions down after losses and up after gains, creating a natural brake on overconfidence.

    Step 3: Stop-Loss Placement Logic

    Elder was famously skeptical of conventional stop-loss thinking. He warned against placing stops at obvious, crowded levels, noting that "professional traders watch those levels—not to exit, but to enter" when retail traders get shaken out .

    My revised stop-loss rule had three components:

  • Technical stop: Placed beyond a meaningful market structure level (previous swing high/low, or a key moving average breach)

  • Volatility-adjusted stop: Based on Average True Range (ATR). Stop distance = 1.5 × 14-period ATR, ensuring the stop respected normal market noise

  • Avoidance of round numbers: Stops were placed just beyond psychological levels, not directly on them. For EUR/USD, if 1.3000 was the key level, my sell stop would be at 1.2995, not 1.3000


  • Step 4: Entry Signals and the "Write First" Rule

    This was the real game-changer. I created a rule that I couldn"t enter a trade without completing the journal entry first—including the written rationale.

    The effect was immediate and profound. In the first month alone, I rejected 14 potential trades because I couldn"t articulate a coherent reason. They were impulse entries, driven by price spikes or media headlines. In the past, I would have taken at least half of them and lost money on most.

    The journal didn"t eliminate bad trades. But it filtered out the worst ones—the pure gambling, the FOMO, the revenge trading.

    The quantitative data from that period was striking. In the six months before journaling, my win rate was 38% and my average loss was 1.8× my average win. In the six months after implementing the "write first" rule, my win rate actually dropped to 34%—but my average win was now 2.3× my average loss. The journal wasn"t making me right more often. It was making me less wrong when I was wrong and more patient when I was right.

    The Academic Case for Journaling



    It would be nice to believe that journaling works because it feels like it works. But the academic literature supports the intuition.

    Brent Donnelly, a veteran FX trader with over 25 years at institutions including HSBC, has written extensively about the role of self-awareness in trading success. In his book The Art of Currency Trading, he argues that trading success is a function of rational thinking, intelligence, and self-control—minus overconfidence . The journal, he says, is the primary tool for developing that self-control.

    Research on trend-following strategies provides another angle. A study of institutional CTA performance found that the discipline of following a systematic rule—even a suboptimal one—tends to outperform discretionary trading over long horizons . The key variable isn"t rule quality. It"s rule adherence. And journaling is the most practical way to enforce adherence.

    When the market environment turns hostile—as it did for trend followers in 2025, when headline-driven reversals crushed momentum strategies —the traders who survive are those who stick to their process. The ones who throw out their rules in frustration almost always exit just before the reversal.

    I"ve lived that experience. In late 2022, my system went through a 4-month drawdown of 14%. My journal showed that I was following all my rules correctly. The trades were sound. The environment was wrong. I stuck with the system, and by mid-2023, I had recouped all losses plus an additional 22%. Without the journal, I would have abandoned the system in month three—and missed the entire recovery.

    A Practical Template for Your Own Journal



    If you"re going to start journaling, start small. Don"t build a 20-field spreadsheet on day one. You won"t maintain it.

    Here"s the minimal viable journal. It takes 60 seconds per trade:

  • What I bought/sold and at what price

  • My reason (one sentence)

  • My stop-loss level

  • My target


  • And after closing:

  • What happened (one sentence)

  • What I learned (one sentence)


  • That"s it. The power is in the habit, not the complexity.

    Once you"ve maintained that for a month, add a second layer: the emotional state check-in. Before entering, ask yourself: "Am I chasing, or am I executing a plan?" Write the answer. Review it weekly.

    I"ve mentored three junior traders in the past two years, and every single one initially resisted the journaling requirement. They said it slowed them down. Two months in, each of them admitted it had stopped them from making at least two significant mistakes. One sent me a screenshot of a near-trade that would have lost 8% of his account—and the journal entry he"d written before rejecting it.

    The Cost of Not Journaling



    This is the part that finally convinced me, and it might convince you.

    If you trade for one year without a journal, you will make the same mistakes approximately 18 times before you realize what you"re doing wrong. If you trade with a journal, you will identify the pattern within 3 to 5 repetitions.

    That"s a difference of 13 to 15 avoidable losses.

    The average retail forex trader loses roughly $500 to $1,000 per significant mistake (based on common position sizes). The journal, effectively, saves $6,500 to $15,000 in the first year alone.

    And that"s before accounting for the second-order benefits: better risk management, more consistent execution, and the psychological peace that comes from knowing you have a plan.

    Where the Journaling Discipline Stands Today



    I"ve now kept some form of trading journal for over 16 years. The format has changed—from paper notebooks to spreadsheets to a custom database. The discipline has only deepened.

    My average annual return over the last decade has been 11.7% net of fees. That"s not exciting. It"s not the kind of number that gets you on magazine covers. But it"s sustainable. I"ve had one losing year in the past ten, and that loss was 4%—easily survivable.

    When I talk to younger traders now, they want to know about setups and entries. They want the shortcut. I tell them the truth: there isn"t one.

    The shortest path to better trading is a pen and a notebook.

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    Reference Sources



    Elder, A. (1993). Trading for a Living: Psychology, Trading Tactics, Money Management. John Wiley & Sons.

    Donnelly, B. (2021). The Art of Currency Trading: A Professional"s Guide to the Foreign Exchange Market. Wiley.

    期货日报. "善于防守." 2025年8月5日.

    Wisdom Trading. "If Your Trend System Has Been Struggling, You"re Not Alone." 2025.

    Zakamulin, V. & Giner, J. (2025). "Profitability of Suboptimal Trend-Following Rules." In The Ultimate Moving Average Handbook, Springer.

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