Chapter VIII: Volume Stratification Analysis (or VSA) follows price behavior in relation to historical volumes of ISRG stock sales. Knowledge of these behaviors gives us a quantitative metric useful for understanding Support or Resistance Levels, and predicting their strength. |
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| The Volumetric Profile is the central concept behind Volume Stratification Analysis. This Profile is simply the cumulative volume over the history of the stock, distributed according to price range. The red bar marks the price range corresponding to the current price of ISRG shares. |
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Blue bars depict the Volumetric Profile for various price levels of Intuitive Surgical, Inc.. The thick orange line is the Volumetric Price and the maroon line is the Secular Price. General Volumetric Health is 1 on a scale from 1 (best) to 3 (worst), because the price is above the Volumetric line, indicating some positive market sentiment. The only significant volumetric support exists in the area around the $100 level. |
| Support Level ID | Price Range | Peak Magnitude |
| 1 | $100.00 - $100.99 | 5.84 |
| At least two layers of turbulence might act as resistance levels above the current price, particularly the one near the $285 level. |
| Resistance Level ID | Price Range | Peak Magnitude |
| 1 | $200.00 - $200.99 | 0.76 |
| 2 | $285.00 - $285.99 | 1.43 |
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| Horizontal maroon lines indicate Negative Volumetric Peaks. Price intervals with these characteristics are often associated with gaps, although they sometimes operate as support levels. Quarterly and yearly turn-arounds are circled. Only one volumetric minima (valley) is to be found near the $55 level. |
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| Here, the horizontal lines mark the points of Maximum Negative Slope in the Volumetric Profile. These strata are known to act as resistance levels against upward movement, and are sometimes associated with yearly and quarterly tops. Also, as is typical of resistance levels, they may do double duty as support, but that is not the typical case. |
For Members: Deeper Analysis, with Price Predictions for ISRG Common Stock |
| In the news, Wednesday, July 01, 2009: An unfavorable condition has developed with Lexmark International, Inc., ticker symbol LXK. Also, there are breaking events concerning Lennar Corporation (LEN) and The Travelers Companies, Inc. (TRV) |