BSE seeks clarification on significant price movement

Price

Loading chart…

▲ positive · ▼ negative · ● neutral filings · teal = economic event · numbered = multiple that day (click to pick). Times IST.

Price reactionminutes from the announcement price · days from the prior close

+0.0%Reaction day

₹492.40

prior close

₹499.95

announcement price

After-mkt

timing

Nifty Microcap 250market · in no size index; the smallest one is used+0.7%-0.7% vs market

Heavy Electrical Equipment peers, median of 34sector+0.3%-0.3% vs sector

On the reaction day the stock moved 0.7 pts less than Nifty Microcap 250 and 0.3 pts less than its Heavy Electrical Equipment peers, over the same two closes: a difference in percentage points, not a measure of what the filing did.

Minutes after the announcementfrom the announcement price · no benchmark

Stock

-4.0

10m

-2.9

15m

-0.6

30m

-0.8

Sessions after the filingfrom the prior close

StockMarketvs marketSectorvs sector

Reaction day

+0.0+0.7-0.7+0.3-0.3

Next day

-3.4-1.0-2.4-1.5-1.9

-9.3-3.6-5.8-4.2-5.1

-11.0-4.5-6.5-6.1-5.0

-14.9-6.8-8.2-8.7-6.2

-12.9-6.4-6.5-7.3-5.6

-6.6pendingpending-4.9-1.7

15d

—————

UpDownMarket · Nifty Microcap 250Sector · Heavy Electrical Equipment peers, median of 34Pending

Minute windows have no benchmark: there is no intraday index history to compare against.

AI summary

BSE has asked Star Delta Transformers to explain the sharp rise in its share price on October 15, 2026. This is a standard exchange procedure triggered when a stock moves significantly without any obvious news. The company is expected to reply within 24 hours, clarifying whether it has any price-sensitive information that the market may not be aware of.

Likely market impact

Usually routine, but watch for the company reply. Any undisclosed news could move the stock further.