Most swing traders don't invent their own logic from scratch — they trade some descendant of a handful of codified systems built by specific people. These frameworks share a common bloodline: nearly all are momentum/trend-following methods that buy strength emerging from a consolidation rather than buying weakness. Knowing them by name matters because they supply the vocabulary ("Stage 2," "VCP," "cup-with-handle," "episodic pivot") that practitioners actually use, and because each carries explicit, falsifiable rules you can encode. Below is an expert thumbnail of each — core idea, defining rules, and how it's applied — with correct attribution to its originator.

The frameworks

O'Neil — CAN SLIM & the cup-with-handle

Created by William J. O'Neil in How to Make Money in Stocks (founder of Investor's Business Daily). CAN SLIM is a fundamental + technical checklist for growth leaders: Current quarterly earnings up ~25%+ year-over-year; Annual earnings growth (and ROE strength, ~17%+); New product, service, management, or price high; Supply and demand (volume confirming demand, smaller float favored); Leader not laggard (high relative-strength rank); Institutional sponsorship (increasing, quality funds); Market direction (only buy in a confirmed uptrend). The companion chart pattern is the cup-with-handle base — a rounded "U" of at least ~7 weeks, followed by a shorter downward-drifting handle on light volume; the buy point (pivot) sits just above the handle's high, and O'Neil's hard rule is to cut losses at 7–8% below it. (Wikipedia, AAII)

Minervini — SEPA & the Trend Template

Mark Minervini (U.S. Investing Championship winner; Trade Like a Stock Market Wizard) built SEPA — Specific Entry Point Analysis — which aligns a leading growth stock's fundamentals, technicals, and overall market conditions before entry. Its technical gate is the Trend Template, a checklist confirming a Stage-2 uptrend: price above the 50-, 150-, and 200-day MAs; 50 > 150 > 200; the 200-day rising for at least ~1 month; price within ~25% of the 52-week high and at least ~30% above the 52-week low; and a relative-strength rank (per IBD-style ranking) of ~70+ (ideally 80–90+). It is an explicit descendant of O'Neil's and Weinstein's work. (ChartMill, Deepvue)

Minervini — Volatility Contraction Pattern (VCP)

Also Minervini's signature setup. A VCP is a base where price consolidates through a series of progressively smaller pullbacks — each contraction tighter than the last (e.g. ~25% → ~12% → ~6%) — while volume dries up as supply is absorbed. Minervini describes a base by its footprint notation, e.g. T = number of contractions, with the first/largest and last/smallest pullback noted. The trade is the breakout from the final, tightest contraction on a volume surge above average. The intuition: shrinking volatility plus volume dry-up signals sellers are exhausted. (finermarketpoints, TraderLion)

Weinstein — Stage Analysis

Stan Weinstein, in Secrets for Profiting in Bull and Bear Markets, frames every stock as cycling through four stages measured against the 30-week SMA: Stage 1 basing (flat 30-week MA after a decline); Stage 2 advancing (price breaks resistance and rises above a now-rising 30-week MA); Stage 3 topping (MA flattens, distribution); Stage 4 declining (price below a falling MA). Swing/position entries are taken on the Stage-1-to-Stage-2 breakout — price clearing the basing range on expanded volume with a rising 30-week MA and strong relative strength. Weinstein is a foundational influence on Minervini and modern momentum traders. (TraderLion, stageanalysis.net)

Darvas — Box Theory

Devised by Nicolas Darvas, a professional dancer, in the late 1950s (How I Made $2,000,000 in the Stock Market). Price is read as a stack of boxes: after a new high, if the stock fails to exceed that high for three sessions, the high becomes the box top; the subsequent low forms the box bottom. The entry is a breakout above the box top on rising volume; the stop sits just below the box bottom. As price climbs into a new box, the old top becomes the new floor — a built-in trailing-stop mechanism that lets winners run while cutting failed breakouts. It is one of the earliest fully mechanical momentum systems. (TrendSpider, Trade That Swing)

Wyckoff — Accumulation / Distribution

Richard D. Wyckoff (1930s) reads markets through the lens of a hypothetical large operator, the Composite Man, who accumulates before markups and distributes before markdowns. Trading ranges are mapped in phases (A–E) with named events: in accumulation — selling climax, automatic rally, secondary test, the spring (a false break below support that reverses), test, then sign of strength and last point of support before markup; distribution mirrors it with the upthrust (UTAD). Swing entries cluster after a spring or on the sign of strength, with stops below the range. Wyckoff is more an analytical framework for cause and effect than a fixed rule-set, and underpins the "smart money" logic many later systems inherited. (StockCharts ChartSchool, Wyckoff Analytics)

Kullamägi — Episodic Pivots (and breakouts)

Kristjan Kullamägi ("Qullamaggie"), a Swedish trader who publicizes his methods for free, codified the modern episodic pivot (EP): a stock that gaps up on a major catalyst — most often an earnings surprise, but also new products, FDA decisions, or regulatory change — entering after the open as it clears the opening range, with a stop under the low. It pairs with his consolidation-breakout and parabolic-short setups. The profile is explicitly low win rate (~25%) with large average winners, relying on multi-day to multi-week holds in liquid, high-momentum names with tight risk. (Qullamaggie, tradingmomentum)

Elliott Wave (swing context)

Developed by Ralph Nelson Elliott (1930s; later popularized by Robert Prechter), the theory holds that crowd psychology produces a fractal pattern: a five-wave impulse in the direction of the trend (waves 1–3–5 motive, 2–4 corrective) followed by a three-wave correction (A–B–C). Hard rules constrain valid counts (wave 2 never fully retraces wave 1; wave 3 is never the shortest; wave 4 doesn't overlap wave 1's territory in an impulse). In a swing context it's used less as a mechanical trigger and more as a map of where price sits in a cycle — buying the start of wave 3 or the end of an A-B-C correction. It is the most interpretive of these frameworks, with wave counts often debated. (Wikipedia)

How they're used in practice

In live trading these rarely operate in isolation. A typical leader-momentum workflow stacks them: Weinstein/Minervini Stage-2 + Trend Template as the regime and trend filter; CAN SLIM as the fundamental quality gate; a VCP, cup-with-handle, or Darvas box as the specific consolidation to buy; and an episodic pivot as the catalyst variant when news drives the move. Wyckoff supplies the "why" behind the consolidation (supply absorption), and Elliott Wave is overlaid by some traders to gauge how much trend may remain. The common entry mechanic across nearly all of them is identical — buy a breakout from a tight base on expanding volume, with a stop just under structure — which is why they interoperate so cleanly.

Strengths & limitations

Their strength is that each gives explicit, repeatable criteria (specific MA stacks, contraction counts, box rules, stop placement) that remove discretion and are screenable. They share a coherent edge thesis: institutional accumulation shows up as tightening, low-volume consolidation before a demand-driven breakout. The limitations are also shared. They are regime-dependent — breakout systems thrive in trending bull markets and suffer whipsaws in choppy or bear conditions (which is exactly why "M"/Stage analysis is built in). They carry hindsight and discretion risk: VCP footprints, valid cup shapes, Wyckoff springs, and especially Elliott Wave counts are clearer after the fact than in real time, and reasonable analysts disagree. And the momentum ones (notably episodic pivots) pair low win rates with fat-tailed winners, so they only work with strict loss-cutting and adequate sample size. None is a guarantee; each is a way to define and constrain a setup.

System relevance

For Augustus, these frameworks are most useful as candidate-classification lenses rather than as standalone signals. A scanned setup can be tagged by which named pattern it most resembles — is this a VCP, a Stage-2 breakout, a cup-with-handle, a Darvas box, an episodic pivot? — giving each candidate a recognizable archetype plus the framework's own checklist (MA alignment, contraction count, base length, catalyst presence) as discrete, testable features. The shared "breakout-from-base on volume, stop-under-structure" skeleton means a single feature set covers most of them, while Wyckoff phase and Elliott degree can serve as coarse context flags. Treat them as a classification and feature-engineering vocabulary, not as prescriptions.

Sources

• William O'Neil, CAN SLIM & cup-with-handle — Wikipedia: CAN SLIM; AAII: The Cup-With-Handle Pattern
• Mark Minervini, SEPA & Trend Template — ChartMill: Minervini Strategy Part 1; Deepvue: Minervini Trend Template
• Minervini, VCP — finermarketpoints: VCP explained; TraderLion: VCP
• Stan Weinstein, Stage Analysis — TraderLion: Stage Analysis; stageanalysis.net
• Nicolas Darvas, Box Theory — TrendSpider: Darvas Box; Trade That Swing: Darvas foundations
• Richard Wyckoff — StockCharts ChartSchool: Wyckoff Method; Wyckoff Analytics
• Kristjan Kullamägi, Episodic Pivots — Qullamaggie: 3 timeless setups; tradingmomentum: the 3 setups
• Ralph Nelson Elliott, Elliott Wave — Wikipedia: Elliott wave principle