PE Ratio Chart

View PE Ratio for GLW.
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Sep '18
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May '19
 
285.00
270.00
255.00
240.00
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Historical PE Ratio Data

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Date Value
June 10, 2026 80.71
June 09, 2026 83.48
June 08, 2026 90.01
June 05, 2026 85.23
June 04, 2026 94.88
June 03, 2026 96.35
June 02, 2026 96.18
June 01, 2026 84.81
May 29, 2026 86.95
May 28, 2026 87.81
May 27, 2026 91.62
May 26, 2026 94.15
May 22, 2026 93.13
May 21, 2026 92.10
May 20, 2026 86.72
May 19, 2026 84.39
May 18, 2026 85.69
May 15, 2026 92.06
May 14, 2026 99.96
May 13, 2026 99.11
May 12, 2026 95.14
May 11, 2026 99.53
May 08, 2026 89.72
May 07, 2026 87.54
May 06, 2026 87.14
Date Value
May 05, 2026 77.80
May 04, 2026 76.77
May 01, 2026 75.96
April 30, 2026 78.83
April 29, 2026 72.90
April 28, 2026 73.45
April 27, 2026 80.63
April 24, 2026 84.42
April 23, 2026 81.35
April 22, 2026 80.99
April 21, 2026 79.41
April 20, 2026 79.37
April 17, 2026 78.89
April 16, 2026 79.71
April 15, 2026 80.76
April 14, 2026 82.94
April 13, 2026 84.07
April 10, 2026 82.18
April 09, 2026 81.49
April 08, 2026 79.24
April 07, 2026 71.28
April 06, 2026 70.31
April 02, 2026 70.99
April 01, 2026 68.33
March 31, 2026 65.26

Price to Earnings Ratio (PE Ratio) Definition

The Price to Earnings Ratio (PE Ratio) is calculated by taking the stock price / EPS Diluted (TTM). This metric is considered a valuation metric that confirms whether the earnings of a company justifies the stock price. There isn't necesarily an optimum PE ratio, since different industries will have different ranges of PE Ratios. Because of this, PE Ratio is great to evaluate from a relative standpoint with other similar companies.

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PE Ratio Range, Past 5 Years

View PE Ratio Range, Past 5 Years
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PE Ratio Benchmarks

PE Ratio Related Metrics