trendline

American

[trend-lahyn] / ˈtrɛndˌlaɪn /

Or trend line

noun

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.

See Examples For:

trendline

As of Friday’s close, 66% of stocks in the index were trading above the key long-term trendline.

From MarketWatch ● Jul. 17, 2026

EPS, meanwhile, has risen further above its trendline than at any other point during the entire post-World War II era.

From MarketWatch ● Jul. 14, 2026

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

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023