[KY]McClellan Summation Index RSI

This script contains McClellan Summation Index ( MSI ) and McClellan Oscillator (MO)

(1) What is McClellan Summation Index ( MSI )
McClellan Summation Index ( MSI ) is a breadth indicator derived the McClellan Oscillator (MO),
which is a breadth indicator based on Net Advances (advancing issues less declining issues).
The Summation Index is simply a running total of the McClellan Oscillator values.
To identify the market direction, I prefer to use the relative strength ( RSI ) of MSI rather than MSI itself
because MSI is a summation so it's difficult to compare with previous market patterns. So I use RSI applied MSI .
Reference: Stockcharts.com has a nice set of detailed explanation about MSI .
(2) How to use this script
- Add this script to your chart.
- You can choose one of two options ("MSI RSI" or "MO").
- You can also choose the market from three options ("Nasdaq", "NYSE", "Nasdaq+NYSE")
(3) "MSI RSI" or "MO"
a) "MSI RSI"
For swing trade(sevelal weeks), MSI RSI is much better to identify the broad market direction.
I backtested last several years of S&P500 . The result was not symmetrical between MT bear/bull market.
For bull side, when MSI RSI curls up from the bottom(e.g. RSI 30 level), 90% of times out of them the market rallied.
For bear side, when MSI RSI rolles over to downside from the top(e.g. RSI 70 level), only 60% of times out of them the market declined.
So the market tends to hit negatively diverrgent high from advancing/declining issues perspective. Be careful to use MSI oscilator.
b) "MO"
For short term trade(intraday, 2-3 days of holding), MO is better because MSI is a summation so lags several days. MO is quick.
MO is sometimes very noisy, so you need to draw trendlines or horizontal levels to compare with the previous cases.
For beginners, I recommend to use "MSI RSI".
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So great!

Could you plz tell me how can i change other index from Nasdaq?

By changing the ADVQ from security("ADVQ", period_msi, close) ?

Nice work KY!
@Adis64, Thanks for your compliment. Hope you enjoy it.
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