Bulkowski’s Extended V Tops and Extended V Bottoms

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Extended V tops and extended V bottoms are chart patterns that are easy to spot after they have completed. They appear just like their names suggest, V-shaped or inverted V-shaped price patterns on the chart.


Extended V Tops

An extended V top chart pattern appears

Identification Guidelines

Characteristic Discussion
Uptrend Look for price to make a straight-line run upward with few or no pauses, often fitting inside a channel (two parallel trendlines).
Reversal Price at the top of the inverted V will form a one-day reversal, island reversal, or tail, usually on heavy volume.
Trendline After the reversal, price pierces an up-sloping trendline drawn along the price lows, confirming the trend change.
Downtrend Price trends down, usually at the mirror angle of the uptrend. If price climbed by 45 degrees, price will tumble following a 45 degree trend.
Extension The extended V top is a variation of the V top. After price reverses at the top, price forms a flag or pennant pattern – a sideways price move that often swings upward against the downward price trend. Once the flag completes, price resumes the decline.

Trading Tips

Trading an extended V top is easier than trading a regular V top. When price breaks out of the flag or pennant in the extended portion of the inverted V, take a position. For downward breakouts, expect price to approach the price level of the start of the inverted V on the left. It may not reach the exact bottom, so be prepared to exit early.

Example

Extended V top chart pattern example

The above figure shows an example of an extended V top chart pattern. Price begins the advance to the summit in early June and peaks near July. A black candle signals a reversal followed by the extension in a small congestion region that slants upward. Once the stock pierces the bottom of this region, price tumbles, approximating the angle at which price climbed to the V top.

Extended V Bottoms

An extended V bottom chart pattern appears

Identification Guidelines

Many of the identification guidelines are similar to the extended V top.
Characteristic Discussion
Downtrend Look for price to make a straight-line run downward with few or no pauses, often fitting inside a channel.
Reversal Price at the bottom of the V will form a one-day reversal, island reversal, or tail, usually on heavy volume, perhaps gapping upward.
Trendline After the reversal, price pierces a down-sloping trendline drawn along the price tops, confirming the trend change.
Uptrend Price trends up, usually at the mirror angle of the downtrend. If price dropped by 30 degrees, price will rise following a similar angle.
Extension The extended V bottom is a variation on the V bottom. After price reverses at the bottom, price forms a flag or pennant pattern – a sideways price move that often swings downward against the prevailing upward price trend. Once the flag completes, price resumes the rise.

Trading Tips

Trade an extended V bottom once price exits the flag or pennant. Expect price to approach the price level of the left side of the V (where the decline started).

Example

Extended V bottom chart pattern example

The above figure shows an example of an extended V bottom chart pattern. The decline into the pattern is unusually steep, meaning it cannot last long, and it doesn’t. Price rebounds in V-shape and then levels out, forming the extension. The extension appears on the chart as a descending triangle -- a flat base with down-sloping top. The breakout from this congestion pattern is upward and that means a powerful move up, retracing much of the drop leading into the V bottom.

Copyright © 2005-2007 by Thomas N. Bulkowski. All rights reserved. Shin: A device for finding furniture in the dark.