Reading the market regime before prices move

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After hours

Trend

Triangular average

TRIMA · Triangular MA

The smoothest line in the family. It shows the broad trend.

The short answer

What is the triangular average (TRIMA)?
Triangular average: an average of an average. The heaviest weight sits in the middle of the window.
When does TRIMA get it wrong?
Slower than all the others. Not suited to timing. Its current reading on the platform's symbols, at the latest daily close, is in the "Current reading" table on this page. See its current reading →
Triangular average: a worked exampleRisingSidewaysFallingPriceTRIMA-20EMA-20Example
Triangular average: a worked exampleRisingSidewaysFallingPriceTRIMA-20EMA-20Worked example
Triangular average: a worked exampleRisingSidewaysFallingPriceTRIMA-20EMA-20Worked example
A worked example: the indicator is calculated with its formula on one hypothetical path (rise, then sideways, then decline), not on real stock prices.

Reading now

On the close of Oct 13, 2026 · daily candles · the same formula plotted above

TickerValueFive sessions agoStatus
SPY 769.23 765.98 Price is 1.1% above the line
QQQ 743.61 732.85 Price is 0.0% below the line
IWM 280.88 283.35 Price is 1.5% below the line
DIA 513.31 516.12 Price is 0.6% above the line

A description of where the number sits against its thresholds. It is not an entry or exit signal.

Where it fails

Indicator limit

Slower than all the others. Not suited to timing.

Read it with

Relative Strength Index: it draws the broad trend, and RSI measures how far the move extends inside it.

Answers: does the market have a trend?

What it actually does

The triangular average applies smoothing twice: a simple average of a simple average. The result is a triangle-shaped weight distribution, with the heaviest weight at the middle of the window, not at its newest end, which sets it apart from all its siblings.

Why it weights the middle

Because its aim is maximum smoothness, not responsiveness: weighting the middle reduces the effect of both ends, the newest candle (today's noise) and the oldest (the exit jump). The resulting line is among the smoothest in the family and the furthest from distortion.

When to choose it

When the need is a deep trend classification, not entry timing: a filter that asks "are we in an uptrend at all?" and screens the signals generated by faster tools. It is the tool of someone who trades over weeks, not hours.

Hypothetical example

An asset swinging hard inside a wide rising channel: the fast averages cross price back and forth twelve times in a month, while the triangular one keeps rising without a break and keeps the reader on the right side of the trend.

Where it errs and why

Its lag is among the largest in the family: it confirms a turn very late, and it can keep rising weeks after the trend has actually broken. It is never used for exits.

Read it with

Don't read it alone. First classify the environment with the trend strength indicator to learn whether trend tools or range tools fit. Then confirm with volume, which separates supported moves from empty ones. Then place it on the structural levels from the gamma map, since a signal at a dense wall carries more weight than one in an empty price zone. This three-step order cuts the worst signals before they cost you anything.

Where to see it on the platform

The technical chart in the members area draws it on any symbol and timeframe you choose, and the scanner terminal shows its reading in the symbol card with the rest of its family.

Questions about the triangular average TRIMA

How is the triangular average calculated?
An average of an average. The heaviest weight sits in the middle of the window.
How do I read the triangular average value?
The smoothest line in the family. It shows the broad trend.
When does the triangular average mislead?
Slower than all the others. Not suited to timing.