Highlights

• Power Grid shares declined 4.66% during Monday’s trading session on NSE.
• The stock touched an intraday low of INR 290.20 amid broader market weakness.
• Power Grid delivered 122.32% five-year returns despite recent short-term correction.

Power Grid Corporation of India Limited (NSE:POWERGRID) shares traded lower on May 18, 2026, with the stock declining 4.63% to INR 291.70 on the National Stock Exchange (NSE). The stock opened at INR 296.30 and touched an intraday high of INR 298.45 before falling to a low of INR 290.20 during the session. The previous closing price stood at INR 305.85.

Traded volume stood at 63.17 lakh shares, while traded value reached INR 185.59 crore. The stock’s volume-weighted average price (VWAP) was recorded at INR 293.81.

Source: Trading View

Market Capitalisation and Trading Details

Power Grid’s total market capitalisation stood at INR 2,71,252.11 crore, while free float market capitalisation was reported at INR 1,31,652.01 crore. The stock’s impact cost remained at 0.03, indicating active liquidity during the trading session.

 Deliverable quantity as a percentage of traded quantity stood at 50.38%, while the applicable margin rate was recorded at 12.97%. The company’s face value remains INR 10 per share.

Stock Performance Across Different Periods

Power Grid reported mixed performance across different timeframes. The stock declined 6.24% over one week and 8.36% over one month, underperforming the NIFTY 50 during both periods. On a year-to-date basis, however, the stock advanced 9.26%, compared with a 10.23% decline in the benchmark NIFTY 50 index.

The stock delivered negative one-year returns of 2.90%, while longer-term performance remained positive. Over three years, Power Grid generated returns of 64.93%, and five-year returns stood at 122.32%.

52-Week Range and Volatility Metrics

Power Grid touched its 52-week high of INR 324.95 on April 27, 2026, while the 52-week low stood at INR 250.00 on February 2, 2026.

The stock’s upper trading band was recorded at INR 336.40, while the lower band stood at INR 275.30. Daily volatility was reported at 1.47%, while annualised volatility stood at 28.08%.

Company Operations and Business Profile

Power Grid Corporation of India Limited is a Maharatna Central Public Sector Undertaking (CPSU) and India’s largest electric power transmission company. The Government of India held a 51.34% stake in the company as of March 31, 2021.

The company is engaged in planning, implementation, operation, and maintenance of the Inter-State Transmission System (ISTS), telecom operations, and consultancy services. It also executes strategically important projects assigned by the Government of India.

Source : Company Filing

Key Risks

• Regulatory changes may impact transmission tariffs and project profitability.
• Delays in project execution could affect revenue recognition timelines.
• Rising borrowing costs may influence infrastructure financing expenses.
• Power demand fluctuations may affect transmission utilisation levels.

Summary

Power Grid (NSE:POWERGRID) shares declined nearly 4.5% during Monday’s NSE trading session, with the stock trading below INR 292 amid broader market weakness. Despite recent short-term pressure, the company has delivered positive long-term returns over three and five years. Investors tracked the company’s market capitalisation, trading activity, volatility levels, and infrastructure business developments during the session.

FAQs

Q: Why did Power Grid shares decline on May 18, 2026?
A: Power Grid shares fell 4.66% amid broader market weakness and selling pressure during the NSE trading session.

Q: What is Power Grid’s 52-week high price?
A: Power Grid touched its 52-week high of INR 324.95 on April 27, 2026.

Q: How has Power Grid stock performed over five years?
A: Power Grid delivered 122.32% returns over the last five years despite recent short-term