Video summary

14 - CASE STUDY: COMPLETE GUIDE ON TURTLE TRADING SYSTEM | Complete Trading Tutorials For Beginners

Main summary

Key takeaways

Educational

Main ideas / lessons

  • Purpose of the video: Teach how to build a complete trading system by deconstructing the classic “Turtle Trading System” into its six components, and translating its rules into practical, beginner-friendly concepts.
  • Core lesson from the Turtle experiment: Trading performance can be taught using a systematic, mechanical set of rules plus high discipline (not improvisation or emotion).
  • Turtles’ philosophy: Trend-following—using breakout entries and volatility-adjusted risk controls—while managing positions through units, stops, and disciplined exits.

Methodology: Turtle Trading System (deconstructed into 6 components)

1) Markets

  • The turtles traded futures contracts on major U.S. commodity exchanges.
  • They emphasized high liquidity and larger average order sizes.
  • They targeted many uncorrelated markets to improve the chance of capturing big trends.
  • Key idea: Their approach is trend-following, so broader market coverage increases the odds of catching major moves.

2) Position sizing (volatility-based, “unit” system)

Goal: Normalize risk across markets with different volatilities so dollar movement is comparable at the portfolio level.

  • Use volatility-based position sizing based on ATR (Average True Range):
    • Step 1: Compute n = 20-day ATR for the market.
    • Step 2: Convert to dollar volatility:
      • dollar volatility = n × (dollars per tick/point)
    • Step 3: Apply the 1% rule:
      • “1 unit” corresponds to risking 1% of total capital (risk per unit).
    • Step 4: Compute unit size:
      • unit size = (1% of account) / (dollar volatility)
    • Total position size:
      • position size = unit size × number of units
  • The turtles built positions in pieces called “units.”
    • A key risk management feature: units are the standardized risk measure.

Portfolio risk limits (“maximum units” caps across 4 levels)

  • Level 1 (single market): max 4 units
  • Level 2 (closely correlated markets together): max 6 units
  • Level 3 (loosely correlated markets together): max 10 units
  • Level 4 (direction risk): max 10 units per direction (long or short)

Money management adjustment (2:1 ratio rule)

  • After wins/losses, adjust the notional account size used for sizing:
    • If account changes by X%, adjust notional account by 2X%.
  • Examples:
    • Down 10% → reduce notional account by 20% until recovered.
    • Up 10% → increase notional account by 20%.

3) Entries (breakout systems: System 1 and System 2)

  • A breakout means price exceeds the highest high or lowest low of a lookback window.
  • The turtles enter on the same trading day when the breakout occurs:
    • They do not wait for the next day.
    • For opening gaps, they enter at the opening price.

System 1 (short-term breakout)

  • If price exceeds 20-day high → buy 1 unit (long)
  • If price drops below 20-day low → sell 1 unit (short)

System 2 (long-term breakout)

  • If price exceeds 55-day high → buy 1 unit
    • (Note: one subtitle mentions “50-day” in a place, but context indicates the standard Turtle long breakout window.)
  • If price drops below 55-day low → sell 1 unit

Adding units (pyramiding rule tied to volatility)

  • After the initial unit entry:
    • Add one more unit whenever price moves half of n in the favorable direction.
  • Repeat until reaching the maximum units limit (notably, up to 4 units in the example).
  • Example:
    • Entry = $100, n = 4 → half-n = $2
    • When price moves to $102 → add another unit
    • Continue until max units reached.

Discipline emphasis

  • The video stresses that profits often come from only a few big winners, so missing entries can materially hurt yearly results.
  • Rule mindset: follow entry logic without emotion.

4) Stops (exit losing trades via N-based trailing stops)

  • Stops are based on N (ATR-based volatility), aligned with short-term market volatility.

Initial stop placement

  • For a long trade: stop is N away from entry
    • (Subtitle examples imply 2N = $92 from $100 with n=4, consistent with the specific computation shown.)
  • For a short trade: stop is above entry.

Trailing stop mechanism as units are added

  • When adding units every half N, move the stop by half N as well:
    • long stop moves up; short stop moves down.

“Mental stops”

  • The turtles used mental (not broker-placed) stops:
    • if the stop level is hit, they must exit with no exception.

Example (long):

  • Entry $100, n=4
  • Initial stop example placed at $92 (2N below entry)
  • After adding a unit at $102, stop trails up accordingly
  • Then shown further as third unit at $104 with stop moved to $96

5) Exits (take profits on winning trades using additional breakout-like rules)

  • The video highlights a common trend-following error: taking profits too early after breakouts (since many breakouts fail and later winners matter).
  • Exit rules depend on System 1 vs System 2:

System 1 exit

  • Long trades: exit at 10-day low
  • Short trades: exit at 10-day high

System 2 exit

  • Long trades: exit at 20-day low
  • Short trades: exit at 20-day high

6) Rules (7 strict Turtle rules compiled)

  1. Risk management rule
    • Do not enter too many trades.
    • Risk more than 20% of total account equity is prohibited.
  2. Money management rule
    • Apply the 2:1 ratio rule to notional account size after major wins/losses.
  3. Trade management rule
    • After first unit, add 1 unit each time price moves half of n in the correct direction.
    • Continue until reaching 4 units (as described).
  4. Buy strength / sell weakness
    • If signals appear together, buy the strongest market(s) and sell the weakest in the group.
  5. Never use market orders
    • Only limit orders; learn how to get filled smartly with them.
  6. Never chase the fast market
    • If limit orders don’t fill during a fast move, avoid panic/FOMO.
    • Wait for stabilization, then reassess.
  7. Do not take premature profits
    • Exiting too early can cause major gains to “vanish.”
    • Disciplined waiting for the specified low/high exit windows is emphasized.

Speakers / sources featured (as named in the subtitles)

  • Narrator / course instructor (speaker not named)
  • Richard Dennis
  • Bill Ehart (spelled “Bill Eard” in parts of the subtitles)
  • Jerry Parker
  • Mentioned/Referenced: Richard Danis (appears to be a subtitle error for Richard Dennis)
  • Mentions of the “turtle traders” / “students” (the 13 recruits), but no additional individual names are provided beyond Jerry Parker.

Original video