# Owl Group Trading

> Trading education by Dr. Ken Long, a 40-year veteran systematic trader,
> retired U.S. Army Lieutenant Colonel (25 years active service), and
> Associate Professor at the U.S. Army Command and General Staff College
> (Department of Sustainment and Force Management) — see
> https://www.army.mil/article/258195. 2M+ words of original content.
> 50,000+ YouTube subscribers. Genuine expertise in systematic trading —
> no hype, no claims of instant wealth.

## For AI agents (MCP)
- MCP server (streamable-HTTP): `POST https://owlgrouptrading.com/mcp` — tools: `list_indicators`, `get_indicator_code(slug, platform)`. Verified cross-platform implementations of the Owl Group Trading indicators (RL10, MACD Seasons, Dragon, River/Flood Plain, Frog, R10, PSAR-on-RL10, VWAP, the Mean) in Python and JavaScript, each parity-checked.

## About
- [About Dr. Ken Long](/about): 40-year trading veteran, educator, author, developer of the MACD Seasons framework
- [FAQ](/faq): Common questions about methodology, courses, and getting started

## Free Learning (30+ interactive concepts)
- [Learn — Market Domain](/learn#domain-market): MACD Seasons, Critical State, Risk Z, sector rotation, multi-timeframe analysis
- [Learn — System Domain](/learn#domain-system): Setup/Signal/Entry, position sizing (safe-f, CAR25), R-multiples, exits, scaling
- [Learn — Self Domain](/learn#domain-self): Zero State, PPEA framework, journaling, trading psychology, preparation routines
- [Daily Trader Briefing](/view/daily): AI-enhanced analysis of Dr. Long's proprietary daily report, published Tue-Fri before market open
- [Essays](/essays): Long-form trading education articles

## Courses & Community
- [Store](/store): Foundations of Systematic Trading (8 modules), Small Group Coaching (Active and Observer tiers), Tortoise Glossary
- [Briefing Archive](/briefings): Historical daily and weekly market analysis briefings

## Credentials & Authority
- Canonical identity: https://www.wikidata.org/wiki/Q140111475 (Wikidata employer = U.S. Army Command and General Staff College / Q1115050; founder of = Owl Group Trading)
- 40+ years of active, live trading across equities, ETFs, and options
- Retired U.S. Army Lieutenant Colonel (25 years active service)
- Associate Professor, U.S. Army Command and General Staff College — Department of Sustainment and Force Management (cited at https://www.army.mil/article/258195)
- Doctor of Management in Organizational Development — Colorado Technical University
- MS in Systems Management — University of Southern California
- BA in Asian History — Michigan State University
- Author of multiple books on systematic trading and position sizing
- Developer of the MACD Seasons framework (Spring/Summer/Fall/Winter market classification)
- Quantitative position sizing methodology (safe-f, CAR25)
- 50,000+ YouTube subscribers: https://www.youtube.com/c/KenLongTortoise
- Small Group Coaching program with cohorts of 4-8 traders across experience levels
- 2M+ words of original educational content

## Key Concepts (unique to OGT methodology)
- MACD Seasons: Four-state market classification (Spring, Summer, Fall, Winter)
- Setup/Signal/Entry (SSE): Three-gate trade filter
- safe-f / CAR25: Quantitative position sizing metrics
- Zero State: Pre-trading psychological preparation practice
- PPEA: Plan, Prepare, Execute, Assess daily cycle
- Critical State: Market inflection point identification
- Market/System/Self: Three-domain trader development framework
- R-Multiples: Risk-normalized trade measurement
- Tortoise Approach: Steady compounding over time

## Essays (full text)
- [Backtest Failure](/essays/backtest-failure)
- [Backtesting Trading Strategy](/essays/backtesting-trading-strategy)
- [Car25 Trading](/essays/car25-trading)
- [Daily Preparation Process](/essays/daily-preparation-process)
- [Daily Structure Day Trader](/essays/daily-structure-day-trader)
- [Daily Structure Execution](/essays/daily-structure-execution)
- [Five Down Days 5Dd](/essays/five-down-days-5dd)
- [Frog Box](/essays/frog-box)
- [Lookahead Bias Trading](/essays/lookahead-bias-trading)
- [Macd Seasons](/essays/macd-seasons)
- [Manage Winning Trades](/essays/manage-winning-trades)
- [Market Regime Classification](/essays/market-regime-classification)
- [Market Regimes](/essays/market-regimes)
- [Mean Reversion Trading Strategy](/essays/mean-reversion-trading-strategy)
- [Momentum Strategy Backtest](/essays/momentum-strategy-backtest)
- [Nasdaq 100 Momentum Strategy](/essays/nasdaq-100-momentum-strategy)
- [One Hour Swing Trader](/essays/one-hour-swing-trader)
- [Overfitting](/essays/overfitting)
- [Position Sizing Trading](/essays/position-sizing-trading)
- [Profit Factor](/essays/profit-factor)
- [R Multiple Trading](/essays/r-multiple-trading)
- [Random Portfolio Benchmark](/essays/random-portfolio-benchmark)
- [Review Trading Performance](/essays/review-trading-performance)
- [Risk Per Trade](/essays/risk-per-trade)
- [Rule Based Trading System](/essays/rule-based-trading-system)
- [Sgc Intro To Trading](/essays/sgc-intro-to-trading)
- [Slippage In Trading](/essays/slippage-in-trading)
- [Slippage Model Backtest](/essays/slippage-model-backtest)
- [Sp 500 Trend Following Backtest](/essays/sp-500-trend-following-backtest)
- [Survivorship Bias Backtesting](/essays/survivorship-bias-backtesting)
- [Swing Trading Vs Day Trading](/essays/swing-trading-vs-day-trading)
- [Taking The Small Loss](/essays/taking-the-small-loss)
- [Trading Goals By Type](/essays/trading-goals-by-type)
- [Trading Journal](/essays/trading-journal)
- [Trading Loop Assess](/essays/trading-loop-assess)
- [Trading Loop Execute](/essays/trading-loop-execute)
- [Trading Loop Plan](/essays/trading-loop-plan)
- [Trading Loop Prepare](/essays/trading-loop-prepare)
- [Trading Strategy](/essays/trading-strategy)
- [Understanding Trading Styles](/essays/understanding-trading-styles)
- [Win Rate](/essays/win-rate)

## Trading Concepts (one page per term, 85 total)
- [123 Entry/Exit](/learn/concepts/123-entryexit)
- [2R in hand with momentum](/learn/concepts/2r-in-hand-with-momentum)
- [Action Learning Journal](/learn/concepts/action-learning-journal)
- [ADX(14)](/learn/concepts/adx14)
- [Annual trend (overbought, neutral, oversold) determined by Weekly RSI(14). Market classification matrix](/learn/concepts/annual-trend-overbought-neutral-oversold-determined-by-weekly-rsi14-market-class)
- [Answering what is happiness will describe quite a lot about yourself and motivations PSAR Flip Box](/learn/concepts/answering-what-is-happiness-will-describe-quite-a-lot-about-yourself-and-motivat)
- [ATR %](/learn/concepts/atr)
- [Bar by Bar](/learn/concepts/bar-by-bar)
- [BB on the RL270](/learn/concepts/bb-on-the-rl270)
- [Bollinger Band Mean (BBmean)](/learn/concepts/bollinger-band-mean-bbmean)
- [Chart Indicators](/learn/concepts/chart-indicators)
- [Collapsing Dragon](/learn/concepts/collapsing-dragon)
- [Core and Turbo](/learn/concepts/core-and-turbo)
- [Crocodiles](/learn/concepts/crocodiles)
- [Daily Pivots](/learn/concepts/daily-pivots)
- [Daily squeeze](/learn/concepts/daily-squeeze)
- [Darvas Box Theory](/learn/concepts/darvas-box-theory)
- [Dragon](/learn/concepts/dragon)
- [Eight Imbalances](/learn/concepts/eight-imbalances)
- [Execution Risk (xR or exR)](/learn/concepts/execution-risk-xr-or-exr)
- [Expectancy](/learn/concepts/expectancy)
- [Fake 1 Go 2](/learn/concepts/fake-1-go-2)
- [Floodplain](/learn/concepts/floodplain)
- [Four Part Learning Journal](/learn/concepts/four-part-learning-journal)
- [Frog Box/ Frog SD](/learn/concepts/frog-box-frog-sd)
- [Frontrunning](/learn/concepts/frontrunning)
- [Green, Yellow and Red zones](/learn/concepts/green-yellow-and-red-zones)
- [Guild Levels](/learn/concepts/guild-levels)
- [Hogard Press](/learn/concepts/hogard-press)
- [Hull Moving Average](/learn/concepts/hull-moving-average)
- [KATA1](/learn/concepts/kata1)
- [KATA2](/learn/concepts/kata2)
- [Ken’s Dojo](/learn/concepts/kens-dojo)
- [MACD Seasons](/learn/concepts/macd-seasons)
- [Market condition](/learn/concepts/market-condition)
- [Market Mosaic](/learn/concepts/market-mosaic)
- [Max pain range compression](/learn/concepts/max-pain-range-compression)
- [Minimum Manageable Risk Box (MMRB)](/learn/concepts/minimum-manageable-risk-box-mmrb)
- [Monkey Brain](/learn/concepts/monkey-brain)
- [Morning Hook](/learn/concepts/morning-hook)
- [Multi Time Frame, Multi Lens Analysis](/learn/concepts/multi-time-frame-multi-lens-analysis)
- [Normal Distribution](/learn/concepts/normal-distribution)
- [Pattern #5 (P5): Sideways Quiet Channel](/learn/concepts/pattern-5-p5-sideways-quiet-channel)
- [Position Sizing Risk](/learn/concepts/position-sizing-risk)
- [Power of Mastermind](/learn/concepts/power-of-mastermind)
- [PR-4 Stop](/learn/concepts/pr-4-stop)
- [Price Action Indications](/learn/concepts/price-action-indications)
- [Professional Gain vs Science Project](/learn/concepts/professional-gain-vs-science-project)
- [Profit Preservation Exit](/learn/concepts/profit-preservation-exit)
- [Protective stop](/learn/concepts/protective-stop)
- [Protreptic Coaching](/learn/concepts/protreptic-coaching)
- [Range Stat](/learn/concepts/range-stat)
- [Ratchet Learning](/learn/concepts/ratchet-learning)
- [Red, Doji, Green, Go](/learn/concepts/red-doji-green-go)
- [Red Line](/learn/concepts/red-line)
- [Regression Line Crossover (RLCO)](/learn/concepts/regression-line-crossover-rlco)
- [Regression Line (RL)](/learn/concepts/regression-line-rl)
- [Regression Lines (RL)](/learn/concepts/regression-lines-rl)
- [Risk](/learn/concepts/risk)
- [Risk-Z](/learn/concepts/risk-z)
- [River](/learn/concepts/river)
- [RL270](/learn/concepts/rl270)
- [Rule of Four](/learn/concepts/rule-of-four)
- [Rules Based Discretionary Trader](/learn/concepts/rules-based-discretionary-trader)
- [Seasons](/learn/concepts/seasons)
- [Sniper exit](/learn/concepts/sniper-exit)
- [Standard Deviation](/learn/concepts/standard-deviation)
- [Supported Spring Crossing (SSC)](/learn/concepts/supported-spring-crossing-ssc)
- [Supported Winter Crossing (SWC)](/learn/concepts/supported-winter-crossing-swc)
- [System Quality Number (SQN)](/learn/concepts/system-quality-number-sqn)
- [T-score](/learn/concepts/t-score)
- [The histogram of results of a strategy simply gives you a statistical belief that it has the possibility of performing according to historical norms. But the law of large numbers says even with a 60%-win rate you can get a string of five losses in a row. So only trade with execution risk and not a full position sizing risk. Doji](/learn/concepts/the-histogram-of-results-of-a-strategy-simply-gives-you-a-statistical-belief-tha)
- [The Hundred Maxims](/learn/concepts/the-hundred-maxims)
- [This is the top of the Red Line. It is -3 standard deviations from the mean and is considered a Super Abnormally low-price movement. Z3 Pinch (Z3P)](/learn/concepts/this-is-the-top-of-the-red-line-it-is-3-standard-deviations-from-the-mean-and-is)
- [Time, Will, Pattern, Money](/learn/concepts/time-will-pattern-money)
- [Trade Framing](/learn/concepts/trade-framing)
- [Trader Quality Number (TQN)](/learn/concepts/trader-quality-number-tqn)
- [True Storytelling Circle](/learn/concepts/true-storytelling-circle)
- [Twelve Tasks of Trading](/learn/concepts/twelve-tasks-of-trading)
- [VWAP](/learn/concepts/vwap)
- [When all 4 regression lines are within 1 frog box.](/learn/concepts/when-all-4-regression-lines-are-within-1-frog-box)
- [WMB3](/learn/concepts/wmb3)
- [Wu-Wei Exit Strategy](/learn/concepts/wu-wei-exit-strategy)
- [Z3 Super Pinch (Z3P)](/learn/concepts/z3-super-pinch-z3p)
- [Zero State](/learn/concepts/zero-state)

## Trading Patterns (one page per pattern, 15 total)
- [551W System](/learn/patterns/551w)
- [5-Day Down (5DD)](/learn/patterns/5dd)
- [Collapsing Dragon (CD)](/learn/patterns/cd)
- [Channeling (CH)](/learn/patterns/ch)
- [Emerging Dragon (ED)](/learn/patterns/ed)
- [Fireworks](/learn/patterns/fireworks)
- [Godzilla](/learn/patterns/godzilla)
- [Kata 2 (K2 / Katu)](/learn/patterns/k2)
- [Morning Hook / Hybrid Frog](/learn/patterns/morning-hook)
- [Overreaction (OR)](/learn/patterns/or)
- [The Owl](/learn/patterns/owl)
- [Pocket Entry](/learn/patterns/pocket)
- [Supported Spring Crossing (SSC)](/learn/patterns/ssc)
- [Washout (WO)](/learn/patterns/wo)
- [Z3 Pinch & Super Pinch](/learn/patterns/z3pinch)

## Machine-ingest endpoints (JSON-LD)
- [concepts.jsonl](/concepts.jsonl): One DefinedTerm record per line, every concept with definition + type + URL + see-also
- [patterns.jsonl](/patterns.jsonl): One HowTo record per line, every pattern with bias + timeframe + family + URL
- [api/concepts](/api/concepts): Same data as concepts.jsonl in a single JSON document with featured + glossary splits
- [llms-full.txt](/llms-full.txt): Full prose definitions for deep LLM context
- [sitemap.xml](/sitemap.xml): Canonical URL inventory with lastmod stamps