Select MFI Period (number of days): 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 Delayed Quotes - U.S. Markets Closed. Sign Up to have access! Index Time ET Last Change Volume Positive Flow Negative Flow Money Ratio MFI (14) Charts Quotes Exchange Indexes NASDAQ Comp. 3/19/2010 16:00 2,374.41 16.87 (0.71%) 0 K 0 B 0 B 0.00 0.00 % NYSE Comp. 3/19/2010 16:00 7,387.08 55.55 (0.75%) 0 K 0 B 0 B 0.00 0.00 % AMEX Comp. 3/19/2010 16:00 1,878.50 28.35 (1.49%) 0 K 0 B 0 B 0.00 0.00 % DOW Indexes DOW Comp. 3/19/2010 16:00 3,662.08 19.85 (0.54%) 0 K 0 B 0 B 0.00 0.00 % DJI 3/19/2010 16:00 10,738.05 39.98 (0.37%) 0 K 0 B 0 B 0.00 0.00 % DJT 3/19/2010 16:00 4,373.22 48.72 (1.10%) 0 K 0 B 0 B 0.00 0.00 % DJU 3/19/2010 16:00 381.67   0.41 (0.11%) 0 K 0 B 0 B 0.00 0.00 % S&P Indexes S&P 400 3/19/2010 16:00 784.76   7.86 (0.99%) 0 K 0 B 0 B 0.00 0.00 % S&P 100 3/19/2010 16:00 530.41   2.57 (0.48%) 0 K 0 B 0 B 0.00 0.00 % S&P 600 3/19/2010 16:00 359.37   3.40 (0.94%) 0 K 0 B 0 B 0.00 0.00 % S&P Financials 3/19/2010 16:00 211.24   1.48 (0.70%) 0 K 0 B 0 B 0.00 0.00 % S&P 500 3/19/2010 16:00 1,159.69   6.01 (0.52%) 0 K 0 B 0 B 0.00 0.00 % NASDAQ Indexes NASDAQ Banking 3/19/2010 16:00 1,876.46   5.59 (0.30%) 0 K 0 B 0 B 0.00 0.00 % NASDAQ Industr. 3/19/2010 16:00 1,851.77 20.10 (1.07%) 0 K 0 B 0 B 0.00 0.00 % NASDAQ Insurance 3/19/2010 16:00 3,809.90 19.17 (0.51%) 0 K 0 B 0 B 0.00 0.00 % NASDAQ Computer 3/19/2010 16:00 1,182.26 10.65 (0.89%) 0 K 0 B 0 B 0.00 0.00 % NASDAQ Finacial 3/19/2010 16:00 2,154.50   2.91 (0.13%) 0 K 0 B 0 B 0.00 0.00 % NASDAQ Health 3/19/2010 16:00 263.67   1.22 (0.46%) 0 K 0 B 0 B 0.00 0.00 % NASDAQ Telecom. 3/19/2010 16:00 224.64   2.54 (1.12%) 0 K 0 B 0 B 0.00 0.00 % NASDAQ Biotechn 3/19/2010 16:00 944.19   3.49 (0.37%) 0 K 0 B 0 B 0.00 0.00 % NASDAQ 100 3/19/2010 16:00 1,932.43 11.51 (0.59%) 0 K 0 B 0 B 0.00 0.00 % NASDAQ Techn. 3/19/2010 16:00 1,160.75 12.35 (1.05%) 0 K 0 B 0 B 0.00 0.00 % NASDAQ Q-50 3/19/2010 16:00 134.46   1.37 (1.01%) 0 K 0 B 0 B 0.00 0.00 % NASDAQ Other Fin 3/19/2010 16:00 3,710.82 25.89 (0.69%) 0 K 0 B 0 B 0.00 0.00 % NASDAQ Internet 3/19/2010 16:00 157.90   1.53 (0.96%) 0 K 0 B 0 B 0.00 0.00 % NASDAQ Market 3/19/2010 16:00 134.50   1.34 (0.99%) 0 K 0 B 0 B 0.00 0.00 % NASDAQ Transport 3/19/2010 16:00 2,081.72 16.95 (0.81%) 0 K 0 B 0 B 0.00 0.00 % Russell Indexes Russell 3000 3/19/2010 16:00 682.91   4.23 (0.62%) 0 K 0 B 0 B 0.00 0.00 % Russell 1000 3/19/2010 16:00 638.27   3.64 (0.57%) 0 K 0 B 0 B 0.00 0.00 % Russell 2000 3/19/2010 16:00 673.76   7.88 (1.16%) 0 K 0 B 0 B 0.00 0.00 % PHLX Indexes Housing 3/19/2010 16:00 110.28   2.14 (1.90%) 0 K 0 B 0 B 0.00 0.00 % Oil 3/19/2010 16:00 203.83   5.72 (2.73%) 0 K 0 B 0 B 0.00 0.00 % Semiconductor 3/19/2010 16:00 355.65   6.03 (1.67%) 0 K 0 B 0 B 0.00 0.00 % Utilities 3/19/2010 16:00 403.09   0.12 (0.03%) 0 K 0 B 0 B 0.00 0.00 % Gold/Silver 3/19/2010 16:00 166.06   2.50 (1.48%) 0 K 0 B 0 B 0.00 0.00 % Sector Indexes Gold AMEX 3/19/2010 16:00 416.63   6.87 (1.62%) 0 K 0 B 0 B 0.00 0.00 % Oil Amex 3/19/2010 16:00 1,074.74   8.74 (0.81%) 0 K 0 B 0 B 0.00 0.00 % Copyright © 1997-2010 MarketVolume.com: You may not copy, distribute, transmit, display, perform, reproduce, publish, license, sublicense, create derivative works from, transfer or sell any of the Information. More...

The MFI compares the ratio of "positive" money flow to the "negative" money flow. If a typical price today is greater than yesterday, it is considered positive money. If a typical price today is lower than yesterday, it is considered negative money.

The Typical Price is calculated by the following formula:

Typical Price = ( (Day High + Day Low + Day Close) / 3)

For a 14-day average, the sum of all positive money for those 14 days is the positive money flow and the sum of the negative money for those 14 days is the negative money flow.

Positive Money Flow = sum[ (Positive Typical Price) x (Volume) ]

and

Negative Money Flow = sum[ (Negative Typical Price) x (Volume) ]

The MFI is based on the ratio of positive/negative money flow (Money Ratio).

Money Ratio = (Positive Money Flow / Negative Money Flow)

Finally, the MFI can be calculated using this ratio:

Money Flow Index = 100 - (100 / (1 + Money Ratio))

The fewer number of days used to calculate the MFI, the more volatile it will be.

How to use the Money Flow Index

The MFI (money flow index) could be analyzed in the similar to RSI analysis way.

In the same way as with the RSI, the MFI can be used to determine how much volume is associated with a security. If the MFI indicator reaches 80 and above (a bearish reading) a stock is considered "overbought" and a bullish reading of 20 and below suggests a stock is "oversold".

Positive and negative divergences between the security and the MFI can be used as buy and sell signals respectively.

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