Reading the market regime before prices move

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Momentum

Chande Momentum Oscillator

CMO · Chande Momentum Oscillator

±50 usual extreme limits.

The short answer

What is the Chande Momentum Oscillator (CMO)?
Chande Momentum Oscillator: the gap between total gains and total losses, divided by their sum.
When does CMO get it wrong?
Similar to RSI, and it shares the same weakness in strong trends. 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 →
Chande momentum oscillator: a worked exampleIt errs in the uptrend leg of the reference path.+50−50RisingSidewaysFallingPriceWorked exampleCMO-14
Chande momentum oscillator: a worked exampleIt errs in the uptrend leg of the reference path.+50−50RisingSidewaysFallingPriceWorked exampleCMO-14
Chande momentum oscillator: a worked exampleIt errs in the uptrend leg of the reference path.+50−50RisingSidewaysFallingPriceWorked exampleCMO-14
A worked example: the indicator is calculated with its formula on one hypothetical path (rise, then sideways, then decline), not on real stock prices. Orange marks where it goes wrong.

Reading now

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

TickerValueFive sessions agoStatus
SPY 25.29 43.98 Between −50 and 50
QQQ 4.06 65.72 Between −50 and 50
IWM −26.69 −11.02 Between −50 and 50
DIA 5.70 −1.82 Between −50 and 50

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

Where it fails

Indicator limit

Similar to RSI and shares its weakness in strong trends.

Read it with

Average Directional Index: shares the weakness of RSI, so read its extremes when ADX is below 25.

Answers: Has the move stretched?

What it actually does

The Chande Momentum Oscillator compares the sum of gains on up days with the sum of losses on down days. It then divides the gap by the total, giving a reading between -100 and +100. The idea is close to the Relative Strength Index, but the math makes it faster and blunter.

The practical difference from RSI

RSI smooths with internal exponential averages, so its reading comes out muted. This one uses raw sums, so it reaches an extreme faster and returns from it faster. Zero is a clear balance point here: positive means gains dominate the window, negative means losses do · a cleaner reading than the 50 line on its sibling.

How it is read in practice

The two thresholds are +50 and -50 for overbought and oversold. Its sharpness makes it good at catching early divergences: it makes clearer highs and lows than smoothed oscillators, so its split from price is easier to spot before the split shows up in slower indicators.

Hypothetical example

A stock makes two close highs. RSI shows them as nearly equal because of its smoothing, while the Chande oscillator shows the second clearly lower · the same divergence, but the more candid tool caught it a week earlier.

Where it errs and why

Its sharpness is the flip side: more noise and more false signals in volatile assets. Treat it like other oscillators in strong trends · sticking to one extreme is strength, not a chance to sell.

Read it with

It is not read alone. First classify the environment with the trend strength indicator. Then confirm with volume, which separates a backed move from an empty one. Then place it on the structural levels from the gamma map, since a signal at a dense wall carries more weight than one in open space.

Where to see it on the platform

The technical chart in the members area shows it on any ticker and timeframe, within its full family in the indicator list.

Questions about the Chande Momentum Oscillator CMO

How is the Chande Momentum Oscillator calculated?
The difference between total gains and total losses ÷ their sum.
How do I read the Chande Momentum Oscillator number?
±50 usual extreme limits.
When does the Chande Momentum Oscillator fool you?
Similar to RSI and shares its weakness in strong trends.