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Archive
- 4/17/2026 -
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Corning Inc. (GLW) Technical Analysis
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| Summary:
| | Weekly : | | Daily : 
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| | It was the negative week for the Corning Inc. (GLW). During the week, the GLW dropped -6.86 points, or -4.01%, and closed at 164.38 on Friday, April 17, 2026. Weekly volume was 29% above average.
 Long-term trend: [See GLW long-term trend chart]
A long-term uptrend had started on November 21, 2008 at 7.36 and reached 176.75 on April 10, 2026. GLW gained -169.39 points, or -2301.49%, in 907 weeks. The chart has formed a Broadening Ascending Wedge chart pattern. The uptrend resistance line (28.20) is broken, while daily and weekly technical indicators are overbought. Uptrend is exhausted and trend reversal is possible soon. 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 resistance line in a long-term trend.
Medium-term trend: [See GLW medium-term trend chart]
A medium-term uptrend had started on October 24, 2023 at 25.26 and reached 176.75 on April 10, 2026. GLW gained -151.49 points, or -599.72%, in 128 weeks. The chart has formed a Broadening Ascending Wedge chart pattern. The uptrend resistance line (48.04) is broken, while daily and weekly technical indicators are overbought. Uptrend is exhausted and trend reversal is possible soon. 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 resistance line in a medium-term trend.
 Weekly Technical Indicators: [See GLW weekly technical indicators chart]
Weekly Williams' Percentage Range is strongly overbought. Use the Technical Stock Screener to see the list of stocks with strongly overbought weekly overbought Williams' Percentage Range. Weekly Relative Strength Index, Lane's Stochastic and MACD have bearish divergence. Use the following links to access the Relative Strength Index, Lane's Stochastic and MACD help, or use the Technical Stock Screener to see the list of stocks with weekly Relative Strength Index, Lane's Stochastic and MACD bearish 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 above its signal line since January 23, 2026. This is an indication that the medium-term trend is up. The distance between MACD and the signal line is relatively high and getting bigger. It indicates that the current medium-term uptrend is strong. Use the following link to access a MACD help.
 Short-term trend: [See GLW short-term trend chart]
A short-term uptrend had started on March 9, 2026 at 120.01 and reached 176.75 on April 10, 2026. GLW gained -56.74 points, or -47.28%, in 32 days. The chart has formed a Broadening Ascending Wedge chart pattern.
 Daily Technical Indicators: [See GLW daily technical indicators chart]
Daily Williams' Percentage Range and Lane's Stochastic are overbought. Use the Technical Stock Screener to see the list of stocks with overbought daily Williams' Percentage Range and Lane's Stochastic.
The daily MACD line is above its signal line since April 1, 2026. This is an indication that the short-term trend is up.
The distance between the Bollinger Bands is 116.49% higher then one year average. It indicates the period of high 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.
 Candlestick pattern: [See GLW candlestick chart pattern]
On Friday the chart has formed a Bearish Dark Cloud Cover Candlestick pattern. Bearish Dark Cloud Cover pattern is a trend reversal indicator which signifies the end of an uptrend and the start of a downtrend. The reliability of the Bearish Dark Cloud Cover pattern is considered a highly reliable pattern of market reversalUse the Technical Stock Screener to see the list of stocks that had a Bearish Dark Cloud Cover Candlestick pattern during the last week.
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