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Chan Third Buy Complete Guide

ReversalBullish25 bars
Also known as:Chan's Third EntryType 3 Entry PointChan Theory Type Three EntryChan's Third Purchase PointTriple Support Reversal

What is Chan Third Buy?

The Chan Third Buy is a bullish reversal chart pattern that typically forms after a significant downtrend, signaling a potential shift from bearish to bullish momentum. It is not a single candlestick pattern but rather a multi-bar formation requiring at least 25 bars to develop, indicating a more substantial base-building process. The pattern visually depicts a market that has been in a clear decline, finding initial support, bouncing, and then retesting that support level (or a slightly lower one) multiple times. The 'third buy' refers to the third significant attempt by buyers to absorb selling pressure at a critical support zone, which ultimately leads to a successful reversal. This often manifests as a strong bullish candle or a gap up from the support, confirming that sellers are exhausted and buyers are taking control. Volume characteristics are crucial: typically, volume tends to decrease during the consolidation or base-building phase, reflecting a waning interest from sellers. However, on the decisive 'third buy' breakout, volume should ideally surge significantly, validating the strength of the buying interest and the conviction behind the reversal. While the concept of multiple support tests leading to a reversal is widely accepted, specific statistical reliability data for a pattern explicitly named 'Chan Third Buy' is not extensively documented by researchers like Thomas Bulkowski in his 'Encyclopedia of Chart Patterns,' which primarily focuses on more traditional chart formations. Its effectiveness, therefore, often relies on confirmation from other technical indicators and the broader market context.

Technical analysis taxonomy: Trend, Momentum, Volatility, Volume, Key Levels, Patterns, Signals, Advanced Structure.

Market Psychology

During a prolonged downtrend, bearish sentiment dominates as supply consistently overwhelms demand. However, as prices reach a critical valuation zone, initial demand emerges, halting the decline and establishing a temporary floor. According to Murphy (1999), support levels represent a concentration of demand where purchasing interest is strong enough to overcome distribution pressure. The subsequent retests of this floor reflect a psychological tug-of-war. Bears attempt to push prices lower, but each downward attempt meets diminishing supply, indicating exhaustion among shorts. This consolidation phase, requiring at least 25 bars, represents a transition from panic to accumulation. By the third test of the support zone, the market psychology shifts decisively. The lack of downward progress frustrates bears, while patient accumulators recognize the resilience of the floor. When demand finally surges on increased volume, it signals that supply has been fully absorbed. This shift in control from bears to bulls initiates the reversal, as market participants collectively realize that the path of least resistance has turned upward.

Chan Third Buy pattern illustration

Formation Context

The setup materializes within a mature bearish cycle, typically following an extended, well-defined downtrend. According to classic technical analysis principles outlined by Murphy (1999), a major trend reversal requires a transition phase where the prevailing downward momentum decelerates into a trading range. This pattern represents the accumulation stage of the market cycle. The preceding price action is characterized by lower highs and lower lows, which eventually give way to a horizontal consolidation. Within this range, the market establishes a firm support zone. Neighboring price action often includes failed attempts to push prices lower, forming a series of tests near the established floor. As Bulkowski (2005) observes in broader bottoming formations, this prolonged base-building process, spanning at least 25 bars, is essential for absorbing residual supply. The structure concludes when demand finally overcomes supply at this critical support level, initiating a structural shift toward a new bullish phase.

Identification Rules

  1. Preceding Downtrend: The asset must be in a clear, established downtrend prior to the pattern's formation.
  2. Base Formation: Price enters a period of consolidation or base building, often involving multiple tests of a significant support zone.
  3. Third Confirmation: The pattern is confirmed on the third significant attempt by buyers to push prices higher from the support zone, often marked by a strong bullish candle or a breakout.
  4. Volume Confirmation: Volume should ideally decrease during the consolidation phase and significantly increase on the decisive breakout/reversal candle, validating the buying pressure.

Common Mistakes

  • Traders frequently misidentify the boundaries of the initial consolidation zone, leading to premature entry decisions before the price has cleanly established itself outside the previous range.
  • Many market participants fail to analyze the lower-interval chart structure of the downward retracement, a multi-timeframe verification technique that Murphy (1999) highlights as essential for confirming trend exhaustion.
  • Analysts often overlook the strict requirement that the lowest point of the secondary downward movement must remain entirely above the high point of the prior consolidation zone, invalidating the setup if any overlap occurs.
  • Neglecting volume dynamics during the formation is a common error, as a valid transition requires diminishing volume on the decline followed by expanding volume on the upward turn to confirm demand.
  • Traders sometimes isolate this pattern from the broader market environment, ignoring Bulkowski (2005) warnings that individual chart formations are highly sensitive to prevailing secular bearish trends.

Educational Notes

This multi-bar formation represents a complex bottoming structure requiring a minimum of 25 bars to establish a solid demand zone. It aligns conceptually with classical accumulation models discussed in technical literature. John J. Murphy (1999), in *Technical Analysis of the Financial Markets*, details how multiple tests of a support level reflect a gradual shift in market psychology from bearish sentiment to bullish accumulation. While Thomas Bulkowski (2005) in *Encyclopedia of Chart Patterns* does not explicitly document this specific Eastern methodology, his extensive research on triple bottoms and complex bases validates the structural significance of repeated support tests. The pattern emphasizes volume contraction during the consolidation phase, followed by an expansion of volume as demand overcomes supply. This volume behavior is consistent with classical chart analysis, where diminishing distribution precedes a trend reversal. Analysts often utilize momentum oscillators alongside this formation to confirm the shift in market structure.

Related Patterns

References

  • Thomas N. Bulkowski (2005). Encyclopedia of Chart Patterns.
  • Steve Nison (2001). Japanese Candlestick Charting Techniques.

FAQ

What is the significance of the 'third' attempt in the Chan Third Buy pattern?

While both patterns involve multiple tests of a support level and signal a bullish reversal, the Chan Third Buy often emphasizes the specific *action* and volume characteristics on the third attempt that confirm the reversal, rather than just the symmetrical shape. A Triple Bottom typically requires three distinct, relatively equal lows at the same support level. The Chan Third Buy might be less rigid in its visual symmetry, focusing more on the underlying supply/demand dynamics and the decisive volume surge on the final push higher.

More Analysis

Reviewed by KlineVision Research Team, CFA Charterholder, 10+ years quantitative research· Apr 23, 2026

Parts of this page (FAQ, introductions) are AI-assisted. Core data and statistics are algorithmically computed. All pattern definitions are human-reviewed.

Data source: EODHD · Last updated: Apr 23, 2026

Disclaimer: This page is based on publicly available market data and algorithmically generated technical analysis. It does not constitute investment advice. Historical pattern statistics do not guarantee future performance. Invest at your own risk.

Data source: EODHD · © 2026 KlineVision AI