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Open Interest Explained: How to Read Futures and Options Positioning — Oyamori

Edges

Open Interest Explained: How to Read Futures and Options Positioning

Open interest explained — what OI means, how it differs from volume, and how to read price and OI together in futures and options to spot real positioning.

2026-06-09 10 min read

Edges

Oyamori Contract Score™: The Greek Efficiency Method for Options

Oyamori Contract Score™ ranks options contracts by Greek efficiency: normalize Delta, Gamma, Theta, and Vega to 0–100, then weight by GammaTheta Ratio.

2026-06-09 10 min read

Edges

Trend-Filtered DCA vs Standard DCA: The Calmar Ratio Test

Trend-filtered DCA exits to cash when EMA(10) turns bearish, then redeploys in a lump sum — cutting max drawdown from 52% to 19% at the cost of 0.8% CAGR.

2026-06-09 9 min read
0DTE Scalping Tickers: The 7 Most Liquid Underlyings Ranked for Speed — Oyamori

Edges

0DTE Scalping Tickers: The 7 Most Liquid Underlyings Ranked for Speed

0DTE scalping tickers ranked by spread, gamma, and best window — SPY, QQQ, SPX, IWM, TSLA, NVDA, AAPL — for the very-short scalper who lives on fills.

2026-06-08 8 min read
Machine-Readable Market Data: From Candlesticks to Market State — Oyamori

Sentiment & AI

Machine-Readable Market Data: From Candlesticks to Market State

Machine-readable market data turns 200 years of candlestick knowledge into executable intelligence — how Oyamori reads market states instead of charts.

2026-06-05 7 min read
The Oyamori Thesis™: From Predicting Markets to Measuring Market Energy — Oyamori

Sentiment & AI

The Oyamori Thesis™: From Predicting Markets to Measuring Market Energy

Market energy trading measures whether price will move — not which way. Oyamori reads momentum, volume, and volatility expansion to time options entries.

2026-06-05 8 min read

Getting Started

Market Structure: 13 Levels of Capital Flow From Fed to Your P&L

Map the market structure hierarchy from the Fed to your P&L across 13 levels. See where capital enters, how orders route, and exactly where you sit.

2026-06-04 8 min read

Oyamori

Oyamori Cognitive Framework: DNA, Pulse & Score Explained

The Oyamori Cognitive Framework organizes market intelligence into three layers — DNA, Pulse and Score — answering what it is, what's happening, what to do.

2026-06-04 7 min read

Getting Started

Call, Put, Long, Short: The 2×2 Mental Model for Options

Call, put, long, short explained with one simple 2×2 mental model. Decode any option position in a single breath — right vs obligation, bullish vs bearish.

2026-06-03 7 min read

Edges

Open Interest in Options: How Traders Use OI to Read the Market

Open interest reveals how many active options contracts exist, giving traders a direct read on conviction, positioning, and where institutional money flows.

2026-06-02 9 min read

Edges

Options Flow Trading Strategies: 5 Playbooks That Use Unusual Activity

Options flow signals where institutional money moves — these 5 playbooks show exactly how traders turn unusual activity into high-conviction entries with defined risk.

2026-06-02 10 min read

Getting Started

OptionStrat Guide: Visualize Options Strategies Before You Trade

OptionStrat is the go-to options visualizer for retail traders — risk graphs, break-evens, probability of profit, and scenario testing in one place.

2026-06-02 10 min read

Getting Started

How to Read an Option Chain: Strikes, Greeks & Expirations

How to read an option chain explained: decode strikes, delta, gamma, theta from a real AAPL snapshot, and discover who actually sets strike prices.

2026-06-02 9 min read

Edges

Volume vs Open Interest: Powering an Options Alert Scanner

Volume vs open interest in options: the ratio that flags unusual activity, plus a scoring engine that ranks contracts into three alert tiers automatically.

2026-06-02 12 min read

Developer

Options Chain Data Providers: Free and Real-Time Sources

Options chain data providers for traders: free delayed feeds, real-time APIs, screeners, historical data, charting platforms, and volatility tools compared.

2026-06-01 13 min read

Edges

Options Flow: Reading the Smart Money Signal

Options flow tracks real-time institutional options orders — large premiums, sweeps, and dark pool prints that reveal where Smart Money is placing bets before price moves.

2026-06-01 10 min read

Getting Started

Options Leverage by Moneyness: ITM, ATM, OTM Fully Compared

Options leverage shifts dramatically across moneyness. Deep OTM gives 116x leverage with lottery-like risk; ATM is where day traders find the best balance.

2026-06-01 8 min read

Getting Started

Options Trading Cheat Sheet: 252 Terms by Priority Level

Master 252 options trading terms organized by priority level — from call/put basics to Greeks, implied volatility, and professional strategy jargon.

2026-06-01 81 min read

Edges

Options Price Target Timing: 11 Methods to Estimate When Price Arrives

Options price target timing has 11 quant methods — from Black-Scholes 1σ time to Monte Carlo. This guide maps which engine fits your asset, horizon, and data.

2026-05-31 14 min read

Edges

Trendlines: Reading Market Direction with Diagonal Lines

Trendlines reveal market direction by connecting swing highs or lows with a diagonal line. Learn to draw, read, and trade uptrends, downtrends, channels, and reversals with chart examples.

2026-05-31 12 min read

Edges

Options Chain API: AlphaVantage vs Alpaca for Quant Traders

Options data API comparison: AlphaVantage provides 15 years of history; Alpaca gives live greeks, OI via contract endpoint. Real AAPL and SPY data compared.

2026-05-29 15 min read

Edges

Cross-Exchange Crypto Arbitrage: Real Math, Real Friction, Real Edge

Cross-exchange crypto arbitrage between Binance, Kraken, and Bitkub promises risk-free profit. The real math on fees, slippage, and withdrawal costs tells a different story.

2026-05-28 9 min read

Options

Options Trading Terminology: The Complete Jargon Guide

Master every options trading term — from calls and puts to Greeks, IV crush, and spread strategies — with an interactive reference guide.

2026-05-28 8 min read

Getting Started

Pre-Order Checklist: From Novice to Pro Before You Place a Trade

A tiered pre-order checklist for stock traders — 3 checks for beginners, 5 gates for intermediates, and the full pro system before any scalp entry.

2026-05-28 8 min read

Getting Started

Backtesting a Trading Strategy: What the Results Actually Mean

Learn how backtesting a trading strategy works, what metrics matter, how to spot overfitting, and why out-of-sample validation is non-negotiable.

2026-05-27 8 min read

Edges

Gap and Go Strategy: A Systematic Edge in the Opening 30 Minutes

The gap and go trading strategy turns pre-market momentum into a structured intraday edge. Learn the qualification criteria, entry rules, and backtested stats.

2026-05-27 9 min read

Getting Started

How to Read Stock Charts: The Systematic Trader's Framework

Learn how to read stock charts as a systematic trader — candlestick anatomy, support and resistance, trend structure, volume, and when to use each chart type.

2026-05-27 8 min read

Risk Management

Kelly Criterion: Size Your Positions for Maximum Long-Run Growth

Learn how Kelly Criterion calculates the optimal position size for your trading edge — with formula, Python, live calculator, and fractional Kelly explained.

2026-05-27 8 min read

Reference

Markdown Components Reference

Live reference for every supported markdown component on Oyamori Learning — callouts, syntax highlighting, charts, tables, and standard formatting.

2026-05-27 5 min read

Sentiment & AI

News Sentiment Trading: How to Profit Before the Market Reacts

Learn how news sentiment trading works, how AI scores headlines before prices move, and how to build a signal-to-trade pipeline that acts faster than the crowd.

2026-05-27 9 min read
Price Action Trading: Structure, Conviction, and When It Lies — Oyamori

Edges

Price Action Trading: Structure, Conviction, and When It Lies

Price action reads structure — but structure can be faked. Ten real manipulation scenarios plus the mental model for scalp, day trade, and swing timeframes.

2026-05-27 8 min read

Risk Management

Risk of Ruin: The Hidden Math That Destroys Trading Accounts

Risk of ruin is the probability your account hits zero before reaching your goal. Learn the formula, how position size drives it, and how to protect yourself.

2026-05-27 9 min read

Getting Started

Trading Bot Stale Data: Why It Happens and How to Fix It

Trading bot stale data causes bad fills and edge erosion. Learn why IEX feeds lag, how to detect staleness, and which data feed to upgrade to for your strategy.

2026-05-27 7 min read
Market Data for Algo Traders: IEX, NBBO, and SIP — Oyamori

Edges

Market Data for Algo Traders: IEX, NBBO, and SIP

What every algorithmic trader must know about US market fragmentation — why IEX-only feeds break scalp bots and how NBBO and SIP data change execution.

2026-05-27 4 min read
US Stock Trading Lifecycles: Scalper vs. Daily Trader vs. Options Trader — Oyamori

Edges

US Stock Trading Lifecycles: Scalper vs. Daily Trader vs. Options Trader

How scalpers, daily traders, and options traders each enter, manage, and exit positions — with win rates, capital requirements, and time-at-screen compared.

2026-05-27 8 min read

Fundamentals

Algorithmic Trading Without a Hedge Fund

Quant infrastructure once required institutional AUM and a fund structure. Here's what changed, what's now accessible to retail investors, and what hasn't gotten easier.

2026-05-18 7 min read
API-First Trading Platform — Why Architecture Determines Strategy Scope — Oyamori

Getting Started

API-First Trading Platform — Why Architecture Determines Strategy Scope

API-first trading platforms are built for automation from day one. That architecture determines which systematic strategies are even possible to run.

2026-05-18 8 min read

Risk Management

Backtesting Is Not Prediction — The Honest Guide to Results

Backtesting a trading strategy does not predict live performance — and a beautiful backtest is often the most dangerous thing in systematic trading.

2026-05-18 10 min read

Onboarding

The Developer's Guide to Quantitative Trading

If you can write a function, you can understand quant trading. Finance concepts translated into software engineering terms — without the jargon or the hype.

2026-05-18 7 min read
Black-Box AI vs. Transparent Sentiment — How to Know What You're Getting — Oyamori

Sentiment & AI

Black-Box AI vs. Transparent Sentiment — How to Know What You're Getting

Black-box AI signals are unverifiable. A signal you cannot inspect is one you cannot validate — and a signal you cannot validate is a risk you cannot manage.

2026-05-18 9 min read

Newsvibe

Building a News-Aware Algo — A Python Tutorial with Newsvibe API

End-to-end tutorial: authenticate with Newsvibe API, parse sentiment signals, define entry logic, execute trades via Alpaca, and log results — all in Python.

2026-05-18 14 min read

Getting Started

Why CLI-First Trading Is the Developer's Competitive Advantage

GUI trading hides state, slows iteration, and treats automation as an afterthought. For developers, the CLI is not a preference — it is a structural edge.

2026-05-18 7 min read

Getting Started

CLI vs. GUI for Algo Trading — What You Lose When You Click

Every GUI click cannot be scripted, audited, or repeated exactly. For systematic traders, that is not inconvenience — it is structural friction that compounds.

2026-05-18 6 min read

Tutorial

Connecting Alpaca to Your Trading Strategy — A Developer's Guide

Authentication, market data streaming, order management, and error handling — everything needed to wire a trading strategy to Alpaca's API reliably.

2026-05-18 11 min read

Risk Management

Drawdown Limits — How to Build a Kill Switch Into Your Algorithm

Drawdown limits and kill switches are the one safeguard most algo traders skip — until a strategy crosses its statistical validity boundary and keeps running.

2026-05-18 10 min read

Tutorial

Your First Live Trade via API — A CLI Tutorial with Alpaca and Oyamori

From authenticated API client to confirmed paper trade in under 50 lines of Python. The execution layer, demystified — before adding any strategy logic on top.

2026-05-18 10 min read

Edges

Gap Trading Strategy — How Overnight News Creates Morning Opportunities

Gap trading turns overnight news into a morning signal — stocks that gap on volume exhibit predictable short-term behavior that a prepared algo can exploit.

2026-05-18 11 min read

Newsvibe

How Newsvibe Works — From News Ingestion to Trading Signal

Newsvibe is a sentiment engine you can inspect and validate. Here is how raw news becomes a scored, structured trading signal with tier classification.

2026-05-18 10 min read

Getting Started

How Oyamori Works — A Technical Overview for Skeptical Developers

What does Oyamori do, how does it connect to your brokerage, and what happens when a trade goes wrong? Answers for developers who will not accept a black box.

2026-05-18 7 min read

Tutorial

How to Backtest a Strategy — And What the Numbers Actually Mean

Backtesting is not prediction — it is hypothesis testing. Here is how to run a backtest correctly and, more importantly, how to interpret the results honestly.

2026-05-18 11 min read

Fundamentals

How to Find Your Trading Edge — A Systematic Approach

Finding a trading edge starts with a testable hypothesis, not a backtest. Here's the systematic process for discovering a genuine market inefficiency.

2026-05-18 8 min read

Fundamentals

Hugging Face for Trading Strategies — The Category Oyamori Is Building

Hugging Face built a model hub that democratized AI. Trading strategies need the same model: shared, vetted, executable. Here's what that category looks like.

2026-05-18 6 min read

Risk

Is Algorithmic Trading Legitimate? — How to Spot Real vs. Scam

Algorithmic trading ranges from rigorous systematic strategies to outright fraud. Here's how to tell the difference — and five questions to ask any platform.

2026-05-18 7 min read

Edges

Mean Reversion Explained — How Price Reverts and How to Trade It

Mean reversion is one of the most persistent market phenomena — and one of the most misunderstood. Here's how price reverts, why it works, and how to code it.

2026-05-18 10 min read

Edges

Momentum + Volume — The Edge That Works in Trending Markets

Momentum trading without volume confirmation is noise. Here is why volume makes momentum signals tradeable and how to build the filter in Python.

2026-05-18 11 min read

Getting Started

How to Monetize a Trading Algorithm Without Selling Your Edge

You built a validated trading algorithm. Monetizing it doesn't mean handing over the code or running a fund. Here's the model that lets you earn without either.

2026-05-18 7 min read

Sentiment

News-Driven Gap Trading — Using Overnight Sentiment to Predict Open Gaps

Gap trading meets sentiment scoring — overnight news predicts the morning gap direction if you weight recency, urgency, and volume correctly.

2026-05-18 9 min read

Sentiment & AI

Why News Sentiment Changes Everything in Algo Trading

News sentiment is not a soft signal — it is a structural information advantage. Here is why sentiment-blind algos fail around high-impact news events.

2026-05-18 7 min read

Edges

Options Theta Decay — Harvesting Time Premium Systematically

Theta decay puts time on the seller's side — every day options lose value you never bought. Here's how to harvest it without getting steamrolled.

2026-05-18 9 min read

Edges

Order Flow Imbalance — Reading What the Market Is Actually Doing

Order flow imbalance signals price direction before the chart shows it. Here is how to build a usable proxy from Level 1 data and where the edge decays.

2026-05-18 11 min read

Risk Management

Overfitting vs. Robust Strategies — How to Know the Difference

Overfitting a trading strategy looks perfect on paper and fails immediately in production. Here is how to tell the difference before you go live.

2026-05-18 9 min read

Tutorial

The Oyamori CLI Workflow — From Edge Selection to Live Execution

The complete Oyamori CLI workflow — selecting an edge, configuring risk, connecting your account, and running a live systematic trading strategy.

2026-05-18 9 min read

Edges

The Oyamori Edge Catalog — Market Inefficiencies Explained

A structured inventory of validated market inefficiencies — what each edge exploits, when it performs, and how long positions typically hold.

2026-05-18 8 min read

Edges

Pairs Trading Explained — How Correlation Breaks Create Profit

Pairs trading profits from temporary divergences between correlated assets, market-neutral by design. Here is how cointegration makes it work in practice.

2026-05-18 11 min read

Getting Started

Paper Trading vs. Live Trading — How to Know When You're Ready

Paper trading and live trading feel identical until the moment they don't. A measurable framework for knowing when your strategy is ready for real capital.

2026-05-18 6 min read

Risk Management

Portfolio-Level Risk — Running Multiple Algos Without Blowing Up

Individual strategy limits fail when algos are correlated. Portfolio-level risk is what separates multi-algo accounts that survive from those that don't.

2026-05-18 9 min read

Risk Management

Position Sizing for Algo Traders — From Fixed Dollar to Volatility-Adjusted

Position sizing determines whether a strategy survives long enough to profit. Sizing kills more strategies than bad signals do — here is how to fix it.

2026-05-18 12 min read

Risk Management

Quant Trading vs. Gambling — The Real Difference

Quant trading and gambling share math and uncertainty. The difference is edge: a quantified probability advantage executed consistently, without emotion.

2026-05-18 6 min read

Sentiment & AI

Regime Detection with Sentiment — When to Run Your Algo and When to Pause

Sentiment regime detection is the best signal for when not to trade — aggregate negative sentiment across a broad basket marks risk-off conditions reliably.

2026-05-18 11 min read

Risk Management

The Retail Algo Trader Checklist — Before You Go Live

Most algos fail at deployment, not strategy design. This checklist gives you specific, measurable pass/fail criteria before your strategy touches live capital.

2026-05-18 9 min read

Workflow

Scheduling Trading Algorithms — Cron, Docker, and Serverless

Cron, Docker, and serverless — three approaches to scheduling a trading algorithm. Trade-offs, setup instructions, and when each breaks in production.

2026-05-18 11 min read

Edges

Sector Rotation — Following Institutional Money with Automation

Sector rotation moves predictably through economic cycles as institutional capital reallocates. Here is how to follow that flow systematically with Python.

2026-05-18 10 min read

Sentiment & AI

Sentiment + Momentum — How to Combine News Signals with Technical Edges

Signal fusion cuts false positives: one signal has noise, two calibrated uncorrelated signals have less. Here is the implementation and the math.

2026-05-18 10 min read

AI

Signal Fusion Explained — Why One Signal Is Never Enough

Signal fusion cuts false positives: a single signal has noise, two calibrated uncorrelated signals have less. Here is the math and the architecture behind it.

2026-05-18 9 min read

Edges

Statistical Arbitrage for Retail Traders — Edge, Limits, and Implementation

Statistical arbitrage exploits temporary divergence between correlated assets. Here's the mechanics, the limits, and a Python implementation for retail scale.

2026-05-18 9 min read

Fundamentals

Strategy as a Service: The New Model for Algorithmic Trading

Strategy as a service separates trading logic from capital. Investors access proven algorithms on subscription without code ownership, fund minimums, or custody transfer.

2026-05-18 6 min read

Risk

Strategy Decay — Why Your Edge Stopped Working and What to Do

Every trading edge has a lifespan. Strategy decay ends most algos — here is how to detect regime change, crowding, and structural shifts early.

2026-05-18 7 min read

Tutorial

Setting Up Your Trading Development Environment

A reproducible Python trading environment from scratch — pyenv, core libraries, Alpaca API credentials, and a smoke test that confirms everything works.

2026-05-18 9 min read

Workflow

From Trading Idea to Live Algorithm — The Complete Workflow

Most trading ideas die between hypothesis and deployment. This is the end-to-end workflow — from a market observation to a live, monitored systematic strategy.

2026-05-18 8 min read

Fundamentals

Trading Strategy Marketplace: What It Is and Why It Matters

A trading strategy marketplace lets investors access proven algorithmic strategies without building from scratch. Here's how it works and why it changes retail quant trading.

2026-05-18 7 min read

Risk Management

Transparent Trading Signals — What They Show and Why It Matters

Transparent trading signals show their inputs, timing, and logic — not just the output. Here's what signal transparency looks like and why it matters for risk.

2026-05-18 6 min read

Risk Management

What Makes a Trading Strategy Verifiable — And Why Most Aren't

Most backtests prove a strategy fit historical data — not that it has an edge. Here's the difference between a fitted result and a verifiable trading strategy.

2026-05-18 7 min read

Edges

Volatility Skew Trading — The Options Edge Most Retail Traders Miss

Volatility skew exists because institutions pay a structural premium for downside protection. Here is how to measure it and harvest it systematically.

2026-05-18 11 min read

Fundamentals

What Is a Trading Edge? (And Why Most Traders Don't Have One)

An edge is a repeatable market condition where the odds tilt in your favor. Most investors trade on hope. Here's the difference — and how to find one.

2026-05-17 7 min read

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