The Greedy Trader Weekly Analysis
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- 10/10/2025 -
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Intuitive Surgical Inc. (ISRG) Technical Analysis

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Summary:
Weekly :Overbought sectorBroken trend support lineRelative Strength Index, Williams' Percentage Range and Lane's Stochastic are oversoldLane's Stochastic bullish divergence
Daily :The price has fallen below the Parabolic SARThe price is below the lower Bollinger BandThe period of low volatility of the stock price
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It was the negative week for the Intuitive Surgical Inc. (ISRG). During the week, the ISRG dropped -22.76 points, or -5.03%, and closed at 429.59 on Friday, October 10, 2025. It was the worst weekly loss since July 11, 2025. Weekly volume was 14% above average.

ISRG is a member of Health Care Sector. Health Care is the most overbought sector. Sector/industry rotation is considered a proven strategy to beat the market. Use the following links to find overbought/oversold technical indicators by Sector or by Industry.

Long-term trend: [See ISRG long-term trend chart]
A long-term uptrend had started on October 13, 2022 at 180.07 and reached 616.00 on January 23, 2025. ISRG gained -435.93 points, or -242.09%, in 119 weeks. The chart has formed a Rising Channel chart pattern. The uptrend support line (490.22) is broken. A broken support is considered to be a long-term bearish signal. Use the following links to access Trend Support/Resistance Help, or use the Technical Stock Screener to see the list of stocks with broken trend support in a long-term trend.

Medium-term trend: [See ISRG medium-term trend chart]
A medium-term downtrend had started on May 13, 2025 at 568.69 and reached 429.25 on October 10, 2025. ISRG lost 139.44 points, or 24.52%, in 21 weeks. Price is near the trend low.

Weekly Technical Indicators: [See ISRG weekly technical indicators chart]
Weekly Relative Strength Index, Williams' Percentage Range and Lane's Stochastic are oversold. Use the Technical Stock Screener to see the list of stocks with weekly oversold Relative Strength Index, Williams' Percentage Range and Lane's Stochastic. Weekly Lane's Stochastic has bullish divergence. Use the following links to access the Lane's Stochastic help, or use the Technical Stock Screener to see the list of stocks with weekly Lane's Stochastic bullish divergence. The divergence between price and indicator is considering one of the most important buy/sell stocks trading signal. Oscillators are designed to signal a possible trend reversal. They can act as alerts and should be taken in conjunction with other technical analysis tools. Oscillators can be used to confirm other technical signals. Use the following links to access Lane's Stochastic, Relative Strength Index and Williams' Percentage Range help.

The weekly MACD line is below its signal line since June 6, 2025. This is an indication that the medium-term trend is down. Use the following link to access a MACD help.

Short-term trend: [See ISRG short-term trend chart]
A short-term downtrend had started on October 6, 2025 at 460.30 and reached 429.25 on October 10, 2025. ISRG lost 31.05 points, or 6.75%, in 4 days. Price is near the trend low.

Daily Technical Indicators: [See ISRG daily technical indicators chart]
Daily technical indicators are neutral.

The daily MACD line is above its signal line since September 22, 2025. The distance between MACD and the signal line is low and getting smaller.

During the last week, the price has fallen below the Parabolic SAR (stop and reversal). A Parabolic SAR above the price is a bearish signal, and it indicates that momentum is likely to remain in the downward direction. A Parabolic SAR is used as a trailing stop loss for long or short positions. It works best during strong trending periods. Use the following links to access Parabolic SAR Help, or use the Technical Stock Screener to see the list of stocks with the Parabolic SAR close to the price level.

The price has closed on Friday below the lower Bollinger Band. It is considered a bearish signal. The distance between the Bollinger Bands is falling, and it was 5.5% on Friday. It is 54.27% lower than one year average. It indicates the period of low volatility of the stock price. The Bollinger Bands are often used with a non-oscillator indicator like chart patterns or a trendline. The signals are considered more reliable if these indicators confirm the recommendation of the Bollinger Bands. Use the following links to access the Bollinger Bands Help, or use the Technical Stock Screener to see the list of stocks with the price above the Upper Bollinger Band or below the Lower Bollinger Band.

Daily Oscillators
Description Value Status Divergence Chart
Relative Strength Index (RSI) 41.33
Williams' Percentage Range (W%R) 52.30
Lane's Stochastic (%D-Slow) 41.02
Greed/Fear Indicator (GFI) 43.35
Moving Average Converg./Diverg. (MACD) -6.13
Weekly Oscillators
Description Value Status Divergence Chart
Relative Strength Index (RSI) 17.29
Oversold
Williams' Percentage Range (W%R) 89.00
Oversold
Lane's Stochastic (%D-Slow) 17.17
Oversold Bullish
Greed/Fear Indicator (GFI) 21.96
Moving Average Converg./Diverg. (MACD) -14.65 Bullish
Trading Signals
Description Value Chart
Yearly Trendline Support 490.22
50 Day Moving Average 458.88
Upper Bollinger Band 457.51
Parabolic System 457.30
20 Day Moving Average 441.21
Daily Stochastic Crossing 440.16
Weekly Stochastic Crossing 438.30
Lower Bollinger Band 433.87
Price 429.59
Sector and Industry
Description Name Rank
Sector Health Care 9
Industry Health Care Equipment 59
Daily Trend
Description Value
Direction Down
Chart Pattern DownTrend
High 450.29
High Date 10/09/2025
Low 429.25
Low Date 10/10/2025
Weekly Trend
Monthly Trend
Description Value
Direction Down
Chart Pattern DownTrend
Status
Resistance
Support
High 460.30
High Date 10/06/2025
Low 429.25
Low Date 10/10/2025
Description Value
Direction Down
Chart Pattern DownTrend
Status
Resistance
Support
High 568.69
High Date 05/13/2025
Low 429.25
Low Date 10/10/2025
Quarterly Trend
Yearly Trend
Description Value
Direction Down
Chart Pattern DownTrend
Status
Resistance
Support
High 616.00
High Date 01/23/2025
Low 425.00
Low Date 04/07/2025
Description Value
Direction Up
Chart Pattern Rising Channel
Status Broken Support
Resistance 596.37
Support 490.22
Low 180.07
Low Date 10/13/2022
High 616.00
High Date 01/23/2025
Warning: TheGreedyTrader.com presents weekly analysis. Technical indicators and trend parameters are calculated for the close of business day indicated on the top right corner of the screen.