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Chart Patterns

Rounding Bottom

Overview

The rounding bottom (also known as a saucer pattern) is a long-term bullish reversal formation characterised by a gradual, U-shaped transition from a downtrend to an uptrend. The pattern reflects a slow shift in sentiment from bearish to neutral to bullish, typically forming over weeks or months. A breakout above the pattern's resistance (the left rim level) confirms the reversal.

Key Concepts

Gradual U-shaped curve rather than a sharp V-bottom. Volume typically mirrors the pattern: declining on the left side, rising on the right. Resistance at the rim level (the high point where the initial decline began). Duration is usually extended, making this a higher-timeframe pattern. Can include a brief handle or consolidation near the rim before breakout.

Entry Signals

Enter on a confirmed breakout above the rim resistance level with expanding volume. Look for increasing momentum on the right side of the saucer as buying pressure builds. An aggressive entry is possible at the midpoint of the right side when volume begins to expand. Wait for a retest of the rim as new support for a conservative entry.

Exit Signals

Measured-move target equals the depth of the saucer projected upward from the breakout point. Place stops below the most recent swing low on the right side of the pattern. Trail with a rising moving average such as the 20 EMA or 50 SMA. Exit if the breakout fails and price closes back below the rim.

Best Timeframes

Daily, Weekly

Pro Tips

Rounding bottoms are long-term patterns best suited for position traders and swing traders. The volume profile is a crucial confirmation — a rounding bottom without the characteristic volume U-shape may not be a valid pattern. These patterns tend to produce sustained trends once confirmed, making them ideal for pyramiding strategies.

More Topics in This Category

Cup & Handle

The cup and handle is a bullish continuation pattern resembling a teacup when viewed from the side. The cup forms as a rounded bottom with the left and right rims at approximately the same level, followed by a small downward-drifting consolidation (the handle). A breakout above the handle's resistance triggers the measured move, calculated from the bottom of the cup to the rim.

Bull & Bear Flags

Bull and bear flags are continuation patterns consisting of a sharp price move (the flagpole) followed by a brief, counter-trend consolidation channel (the flag). Bull flags slope downward after an upward pole; bear flags slope upward after a downward pole. These patterns represent a pause in strong momentum before the trend resumes, and they are among the most commonly traded continuation setups.

Triple Top & Triple Bottom

Triple tops and triple bottoms are reversal patterns where price tests the same level three times before reversing. They are essentially double tops and bottoms with an additional test, making them rarer but potentially more significant. The three-touch structure confirms that a price level is acting as a strong barrier, and the eventual break of the pattern's support or resistance level triggers the reversal.

Rectangle Patterns

Rectangle patterns form when price trades sideways between two parallel horizontal lines — a clearly defined support and resistance. Rectangles represent a period of equilibrium where buyers and sellers are evenly matched. The pattern resolves when price breaks decisively through one of the boundaries, often continuing in the direction of the prior trend.