Three Line Break charts originate from Japan and were introduced to the western world by Steve Nison (a well-known authority on the Candlestick charting method). The Three Line Break charting method gets its name from the default number of line blocks typically used.
Using the closing price, a new white block is added in a new column if the previous high price is exceeded. A new black block is drawn if the close makes a new low. If there is neither a new high or low, nothing is drawn.
With a default Three Line Break, if a rally is powerful enough to form three consecutive white blocks, then the low of the last three white blocks must be exceeded before a black block is drawn. If a sell-off is powerful enough to form three consecutive black blocks, then the high of the last three black blocks must be exceeded before a white block is drawn.
To draw line break blocks, today's close is compared to the high and low of the previous block. A block is drawn only when today's close exceeds the high or low of the previous block. If today's close is higher than the top of the previous block, a new white block is drawn in the next column from the prior high to the new high price. If today's close is lower than the bottom of the previous block, a new black block is drawn in the next column from the prior low to the new low price. If the close fails to move outside the range of the previous blocks high or low, then nothing is drawn.
With the default Three Line Break chart, a downside reversal (i.e., white blocks change to black blocks) occurs when the price moves under the lowest price of the last three consecutive white blocks. A black reversal block is drawn from the bottom of the highest white block to the new price. An upside reversal (i.e., black blocks change to white blocks) occurs when the price moves above the highest price of the last three consecutive black blocks. A white reversal block is drawn from the top of the lowest black block to the new high price.
Using the closing price, a new white block is added in a new column if the previous high price is exceeded. A new black block is drawn if the close makes a new low. If there is neither a new high or low, nothing is drawn.
With a default Three Line Break, if a rally is powerful enough to form three consecutive white blocks, then the low of the last three white blocks must be exceeded before a black block is drawn. If a sell-off is powerful enough to form three consecutive black blocks, then the high of the last three black blocks must be exceeded before a white block is drawn.
To draw line break blocks, today's close is compared to the high and low of the previous block. A block is drawn only when today's close exceeds the high or low of the previous block. If today's close is higher than the top of the previous block, a new white block is drawn in the next column from the prior high to the new high price. If today's close is lower than the bottom of the previous block, a new black block is drawn in the next column from the prior low to the new low price. If the close fails to move outside the range of the previous blocks high or low, then nothing is drawn.
With the default Three Line Break chart, a downside reversal (i.e., white blocks change to black blocks) occurs when the price moves under the lowest price of the last three consecutive white blocks. A black reversal block is drawn from the bottom of the highest white block to the new price. An upside reversal (i.e., black blocks change to white blocks) occurs when the price moves above the highest price of the last three consecutive black blocks. A white reversal block is drawn from the top of the lowest black block to the new high price.
