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Money flow combines price and volume to gauge buying pressure. Learn the exact formula, typical 21‑day CMF range and what signal levels mean for crypto trading.
Money flow, a technical indicator that blends price and volume, is now a staple for crypto traders seeking to spot buying or selling pressure, with the Chaikin Money Flow (CMF) oscillator commonly applied over a 21‑day window to flag overbought or oversold conditions【1】.
| At a glance | |
|---|---|
| Indicator | Chaikin Money Flow (CMF) |
| Calculation period | 21 trading days |
| Typical overbought/oversold thresholds | +0.20 / –0.20 |
| Signal meaning | Positive CMF = buying pressure; negative CMF = selling pressure【1】 |
The CMF starts with the daily midpoint, the average of the high and low prices. A close above this midpoint signals accumulation (buying pressure), while a close below indicates distribution (selling pressure)【1】. For each day, the accumulation/distribution (A/D) value is multiplied by that day’s volume; the sum of A/D over the 21‑day period is then divided by the total volume for the same span, producing a value that oscillates between –1 and +1【1】. Positive readings suggest net buying, negative readings suggest net selling.
Traders watch three key CMF signals: crossing the zero line (a shift from net buying to net selling or vice‑versa), extreme readings above +0.20 or below –0.20 (potential overbought/oversold alerts), and divergences where price makes new highs or lows while the CMF fails to confirm, hinting at weakening momentum【1】. Because crypto markets can experience sharp price spikes and gaps, analysts recommend confirming CMF signals with other volume‑based tools such as On‑Balance Volume (OBV) or the Money Flow Index (MFI), which uses a 14‑day period and ranges from 0 to 100【2】.
The growing reliance on money‑flow metrics underscores how crypto traders are moving beyond price alone, seeking a fuller picture of market sentiment. Whether CMF signals hold up during volatile sessions remains an open question, inviting further on‑chain analysis.
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Money flow is calculated by averaging the high, low, and closing prices of a security and then multiplying that average by the daily trading volume.
A positive money flow suggests that buying pressure may lead to a potential increase in the security's price.
The Chaikin Money Flow oscillator and the Money Flow Index (MFI) are commonly used to assess buying and selling pressure and to identify overbought or oversold conditions.
Cash flow reflects a company's liquidity, enabling it to meet debt obligations, fund operations, invest in growth, and return value to shareholders.
Rising cash flow indicates improved efficiency in generating cash and suggests the company may rely less on external financing.