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Portfolio123 » List all forums » Forum: Feature Suggestions » Thread: Feature Request: Up/Down Volume Ratio Buy/Sell Rule |
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Total posts in this thread: 4 |
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orvosp
Advanced Member UNITED STATES Joined: Apr 8, 2005 Posts: 23 Status: Offline |
Seeking a way to calculate a 50-day up/down ratio by dividing total volume on up days by the total volume on down days. A ratio greater than 1.0 implies positive demand for a stock. View the feature request here. |
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marco
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This is now available. It's a variation of what Paul requested (see definition below). You can find it in the section FUNCTIONS->TECHNICAL ANALYSIS. It is defined as: UpDownRatio(bars,offset) bars: number between 2-20 offset: number between 0-100 Calculates the Up/Down Volume ratio for a stock. If the ratio exceeds 0.5, it means volume on a stock's up days outweighed downside volume in the specified period. It is calculated as: Sum Up Vol/(Sum Up Vol + Sum Down Vol) Definitions: Up Day: stock closes equal or higher than previous day's close Down Day: stock closes lower than previous day's close Examples: To screen for stocks where the Up DAys volume is greater than 50% of the total volume during the last 20 bars enter the following rule: UpDownRatio(20,0) > 0.50 To screen for stocks with greater UpDownRatio in the last 10 bars compared to the previous 10 bars enter the following rule: UpDownRatio(10,0) > UpDownRatio(10,10) ---------------------------------------- Portfolio123 Staff ---------------------------------------- [Edit 3 times, last edit by marco at Mar 7, 2006 12:53:05 AM] |
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marco
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As most of our functions, this can also be used in Ranking Systems. ---------------------------------------- Portfolio123 Staff |
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orvosp
Advanced Member UNITED STATES Joined: Apr 8, 2005 Posts: 23 Status: Offline |
Marco, I'm behind in reading the threads, and I just read your post. Thank you for this feature. I hope the community finds it of value. I'll run some sims with the ratio as I have time, and I'll keep them open for all to view. |
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