CORNING INC /NY (GLW)

Materials · Drawing & Insulating of Nonferrous Wire · Price $152.80
Updated: Aug 28, 2026
Operating Income (TTM)
$2.5B
Trailing 12 Months
Growth Rate
30.54%
Log-Linear Regression (16Q)
Operating Margin
15.15%
Operational Efficiency
EV/Operating Income
55.9x
Valuation Multiple
Net Income
$1.8B
After Interest & Taxes

📈 Operating Income History (16 Quarters)

🧮 GLW Operating Income Breakdown

Operating Income = Gross Profit - Operating Expenses (SG&A, R&D, etc.)
Revenue (Top Line) $16.3B
Less: Cost of Revenue → Gross Profit $5.9B
Equals: Operating Income (EBIT) $2.5B
Then: Less Interest & Taxes → Net Income $1.8B

Understanding Operating Income

Operating Income, also known as EBIT (Earnings Before Interest and Taxes), measures a company's profit from its core business operations before financing costs and taxes. For GLW, the trailing twelve month operating income is $2.5B.

Why Operating Income Matters

Operating income isolates business performance from capital structure decisions (debt vs equity financing) and tax strategies. This makes it ideal for comparing companies with different debt levels or tax situations. It shows how efficiently management runs the core operations.

GLW's operating income growth rate of 30.54% (based on log-linear regression of 16 quarters) indicates exceptional operational growth with improving efficiency.

Operating Income vs Other Profitability Metrics

Net Income: $1.8B →

The bottom line after interest and taxes. Net income shows the final profit, while operating income excludes financing decisions.

Free Cash Flow: $1.5B →

Actual cash generated after capital expenditures. FCF can differ significantly from operating income due to working capital and capex.

Owner Earnings: $1.6B →

Buffett's measure of true cash generation. Adds back depreciation and subtracts only maintenance capex.

Revenue: $16.3B →

The top line that operating income is derived from. Operating margin shows what percentage becomes operational profit.

Operating Margin Analysis

GLW's operating margin of 15.15% shows what percentage of revenue converts to operating profit after all operating expenses. Operating margins between 15-25% are solid and typical of well-managed businesses.

EV/Operating Income Valuation

The EV/Operating Income ratio of 55.9x shows how the market values GLW's operational earnings. Ratios above 25x indicate high growth expectations or premium valuation.

Summary: GLW Operating Income Trend

CORNING INC /NY (GLW) has an operating margin of 15.15%, which Zyberno classifies as excellent for a Materials company — above the 15% threshold Zyberno applies to materials businesses where commodity pricing and production costs determine operating margins, signaling significant pricing power and operational efficiency. Operating income grew at 30.54% annually — significantly above the 20% threshold Zyberno associates with high-growth businesses. For complete financial analysis, view the full GLW stock report on Zyberno.

Frequently Asked Questions

What is GLW's current operating income?

CORNING INC /NY's TTM operating income is $2.5B, growing at 30.54% annually — significantly above the 20% threshold Zyberno associates with high-growth businesses.

Is GLW's operating income growing?

CORNING INC /NY (GLW) has an operating margin of 15.15%, which Zyberno classifies as excellent for a Materials company — above the 15% threshold Zyberno applies to materials businesses where commodity pricing and production costs determine operating margins, signaling significant pricing power and operational efficiency. Operating income grew at 30.54% annually — significantly above the 20% threshold Zyberno associates with high-growth businesses.

What is GLW's operating margin?

CORNING INC /NY (GLW) has an operating margin of 15.15%, which Zyberno classifies as excellent for a Materials company — above the 15% threshold Zyberno applies to materials businesses where commodity pricing and production costs determine operating margins, signaling significant pricing power and operational efficiency. Operating income grew at 30.54% annually — significantly above the 20% threshold Zyberno associates with high-growth businesses.

What is the difference between operating income and EBIT?

Operating income and EBIT (Earnings Before Interest and Taxes) are generally the same metric - both measure profit from core operations before financing costs and taxes. GLW's EBIT/Operating Income is $2.5B.

How does operating income differ from net income?

Operating income excludes interest expense and income taxes, while net income includes them. GLW's operating income is $2.5B versus net income of $1.8B. The difference reflects financing costs and tax burden.

📊 Valuation Trilogy
Three interconnected metrics built on Owner Earnings
💎
Intrinsic Value
DCF Fair Value
$11.21
🛡️
Margin of Safety
Valuation Gap
-100.0%
🎯
Expected Return
Projected Annual
-49.3%
Click any metric for full methodology and detailed analysis

📊 Full GLW Stock Report

See GLW's intrinsic value, margin of safety, DCF valuation, and complete financial analysis with 250+ metrics.

💵 GLW Free Cash Flow

Compare to Free Cash Flow which subtracts all capital expenditures, not just maintenance CapEx.

💰 GLW Owner Earnings

Compare to Buffett's Owner Earnings metric which uses maintenance CapEx instead of total capital expenditures.

📈 GLW Earnings Per Share

Analyze EPS trends, P/E ratio, earnings yield, and per-share profitability metrics.

🎯 GLW Earnings Surprise (SUE)

See whether GLW is beating or missing its own earnings trend — Standardized Unexpected Earnings and post-earnings drift.

📊 GLW Revenue

Analyze revenue trends, growth rate, P/S ratio, and top-line sales performance.

💰 GLW Net Income

Analyze the bottom-line profit, P/E ratio, and net profit margin trends.

🔶 GLW Operating Income

Analyze EBIT, operating margin, and core business profitability before interest and taxes.

💜 GLW Gross Profit

Analyze gross margin, pricing power, and profitability before operating expenses.

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