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trendline

American  
[trend-lahyn] / ˈtrɛndˌlaɪn /
Or trend line

noun

  1. an upward or downward line on a chart indicating movements of average prices, as of stocks, over a period of time.


Etymology

Origin of trendline

1910–15 for more general sense; trend + line 1

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

A decisive breakdown would be a bearish catalyst supporting a deeper correction in the months ahead, targeting long-term trendline support near $264.

From Barron's • Apr. 10, 2026

“The big story is, of course, Japanese bonds and the yen. The yen is near a potential breaking point, having now tested the 100-day trendline around ¥154,” wrote Rosenberg Research Founder David Rosenberg this morning.

From Barron's • Jan. 27, 2026

The key level to watch is $65.50/bbl, near the top of the daily Ichimoku cloud and the declining trendline connecting the highs from July and September in 2025.

From The Wall Street Journal • Jan. 13, 2026

The red line represents the best-fit trendline, and notice that it is nearly flat, meaning that there is no significant trend.

From MarketWatch • Oct. 27, 2025

Attendance is following a similar trendline — much better but still in need of improvement.

From Los Angeles Times • Aug. 12, 2024

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