Stock Market Open Today, August 21, 2026: Sensex Down 66 pts, Nifty Below 24,220 After Higher Open; US- Iran Deadlock Weighs on Sentiment

Mumbai, Aug 21: Indian equity benchmarks opened in the green on Friday but slipped into negative territory within the 15 minutes of trade, as investors weighed an escalation in the Iran-US standoff against a broadly supportive global backdrop. Treasury Secretary Scott Bessent said Washington will impose “the toughest sanctions in history” on Iran, a fresh geopolitical overhang even as most Asian markets traded firm and crude oil prices eased. The mixed signals left Dalal Street searching for direction after Thursday’s sharp, multi-session-snapping rally. 

The pullback comes even as the broader setup remains constructive. Bessent’s sanctions threat, delivered on CNBC, was paired with his own assessment that the economic squeeze reduces the odds of a fresh large-scale military escalation, a nuance markets appeared to price in cautiously rather than react to sharply. 

Sectorally, financials and IT, Thursday’s leaders, showed a more measured tone on Friday morning, suggesting some profit-taking after the previous session’s broad-based surge. The undertone stayed constructive nonetheless, with midcap and smallcap counters continuing to outperform the frontline indices. 

On the geopolitical front, Iran’s government has dismissed Washington’s sanctions threat as “economic terrorism,” setting up another round of rhetorical escalation without immediate signs of fresh military action. Markets are, for now, treating the threat as an economic rather than a kinetic risk, a distinction Bessent himself drew when he said the sanctions push likely reduces rather than raises the odds of renewed strikes. 

The BSE Sensex was trading at 77,471.34, down 66.38 points, or 0.09 per cent, at 9:22 am. The Nifty 50 was at 24,217.55, down 14.30 points, or 0.06 per cent, by 9:23 am. Both benchmarks had opened higher at the start of the session but slipped into the red within minutes, mirroring the market’s cautious digestion of the Iran sanctions headline. 

Gainers & Losers 

Among Nifty gainers, Eicher Motors (EICHERMOT) rose 0.81 per cent to an LTP of Rs 8,107.5 from a previous close of Rs 8,042. Kotak Mahindra Bank (KOTAKBANK) added 0.76 per cent to Rs 400.35 versus Rs 397.35, while Mahindra & Mahindra (M&M) gained 0.71 per cent to Rs 3,449.2 from Rs 3,424.8. Eternal (ETERNAL) rose 0.64 per cent to Rs 330.05 against Rs 327.95, and Sun Pharmaceutical Industries (SUNPHARMA) advanced 0.57 per cent to Rs 1,914.9 from Rs 1,904. Among losers, Tata Consultancy Services (TCS) fell 0.75 per cent to Rs 2,280.7 from Rs 2,298, JSW Steel (JSWSTEEL) dropped 0.70 per cent to Rs 1,290.6 versus Rs 1,299.7, and Infosys (INFY) slipped 0.69 per cent to Rs 1,122.2 from Rs 1,130. HDFC Life Insurance (HDFCLIFE) declined 0.60 per cent to Rs 538.75 against Rs 542, and SBI Life Insurance (SBILIFE) eased 0.58 per cent to Rs 1,771.7 from Rs 1,782. 

Broad Market & Sectoral Indices 

Among broad market indices, the Nifty Smallcap 100 led gainers with a 0.60 per cent rise, the Nifty 500 added 0.12 per cent and the Nifty Midcap 100 gained 0.09 per cent, while the Nifty Midcap Select slipped 0.01 per cent, the Nifty200 Quality 30 fell 0.15 per cent and the Nifty500 Multifactor MQVLV 50 eased 0.12 per cent. Sectorally, the Nifty Realty index outperformed with a 0.55 per cent gain, followed by the Nifty Pharma index, up 0.46 per cent, and the Nifty Metal index, up 0.33 per cent, even as the Nifty IT index fell 0.30 per cent, the Nifty Cement index dropped 0.25 per cent and the Nifty FMCG index eased 0.20 per cent. 

Asian Markets 

Asian markets were broadly upbeat on Friday morning, mirroring the constructive mood among peers to the Sensex and Nifty, with Indonesia’s JSX Composite jumping 1.68 per cent to lead regional gains and Hong Kong’s Hang Seng and Malaysia’s FTSE Bursa also firming. Japan’s Nikkei was the notable laggard, falling 0.73 per cent, even as the broader region stayed constructive. 

US Markets 

Wall Street, in contrast, ended sharply lower on Thursday even as peers to the Sensex and Nifty in Asia stayed upbeat heading into Friday. The Dow Jones Industrial Average tumbled 703.84 points, or 1.32 per cent, to 52,759.21, while the Nasdaq Composite fell 263.92 points, or 1 per cent, and the S&P 500 dropped 66.82 points, or 0.87 per cent. 

Oil Prices 

Oil prices eased in early Friday trade, with WTI crude down 0.32 per cent at $86.52 a barrel and Brent crude off 0.18 per cent at $93.61 a barrel. Murban crude and the Opec basket bucked the trend, rising 1.68 per cent and 1.90 per cent, respectively. The softer benchmark prices came even as the Iran sanctions threat kept underlying geopolitical risk elevated. 

Iran War Update 

The Iran-US conflict took a sharper turn on Thursday after Bessent said Washington would impose the “toughest sanctions in history” on Tehran, describing it as a “one-two punch” alongside the existing naval blockade. Iran’s foreign ministry rejected the threat as “economic terrorism” that would harm ordinary Iranians, while Trump separately warned of broad economic consequences for any country providing Iran a “lifeline.” Bessent added that maximum economic pressure likely reduces, rather than raises, the chances of a large-scale military restart, seeking to reassure markets even as tensions escalated. Oman, meanwhile, said lasting security in the Strait of Hormuz would require a permanent regional peace, even as separate talks between Iran and Oman on managing the strait continued. 

Sensex, Nifty on Thursday Close 

Indian benchmarks had snapped a seven-session losing streak on Thursday, with the Sensex jumping 628.04 points, or 0.82 per cent, to 77,537.72 and the Nifty 50 gaining 153.55 points, or 0.64 per cent, to 24,231.85. Market breadth stayed positive, with 2,367 stocks advancing against 1,778 decliners on the NSE. The rally was broad-based, with 14 of 16 sectoral indices ending in the green, led by a 2 per cent jump in the Nifty Media index, as IT and financial stocks drove the recovery. 

Sources

• BSE
• NSE