Interarch Building Solutions shares plunge 17%, most on record, after Q4 profit falls

Shares of Interarch Building Solutions Ltd. reported their biggest single-day decline ever on Thursday, May 14, as they plunged nearly 17%. The stock is also the worst performer on the BSE Smallcap Index.For the fourth quarter, Interarch’s profit after tax declined by 5.2% to ₹36.6 crore from ₹38.6 crore last year. Meanwhile, its revenues were up 8.7% at ₹503.6 crore from ₹463 crore in the previous year.

Its earnings before interest, tax, depreciation and amortisation (EBITDA) was up 8.2% as well at ₹52.8 crore compared to ₹48.8 crore. Its EBITDA margins were flat at 10.5%.
For the entire financial year 2026, its revenue increased 31% to ₹1,898 crore, EBITDA was up 29% at ₹211.9 crore and PAT jumped 25% to ₹163.3 crore.
The company also inked an MoU with ER Steel Inc in Canada to develop open we steel joists (OWSJ) for the North American market.The MoU is to develop PEB/PEMB for the North American market.

Earlier this week, it also won a construction order worth ₹102 crore.

Shares of Interarch Building Solutions declined 16.6% to hit an intraday low of ₹1,700.3 apiece on Thursday. The stock was down 15.5% at ₹1,720.8 apiece. It has declined 9.9% in the past month and 24.4% this year, so far.

However, the stock is trading nearly 120% above its issue price of ₹900 apiece. The stock had listed on the exchanges at a 44.33% premium in August 2024.

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