BSE seeks clarification on unusual trading volume

ACI · price

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▲ 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

+1.2%Reaction day

₹543.00

prior close

₹551.15

announcement price

In-mkt

timing

Nifty Microcap 250market-0.5%+1.7% vs market

Specialty Chemicals peers, median of 92sector-0.1%+1.3% vs sector

On the reaction day the stock moved 1.7 pts more than Nifty Microcap 250 and 1.3 pts more than its Specialty Chemicals 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

-0.1

10m

+0.1

15m

+0.0

30m

+0.1

Sessions after the filingfrom the prior close

StockMarketvs marketSectorvs sector

Reaction day

+1.2-0.5+1.7-0.1+1.3

Next day

+1.4-1.5+2.9-0.6+2.0

+4.1-0.9+5.0-0.5+4.6

+8.3-0.6+8.9+0.5+7.8

+3.1-1.8+4.9-0.3+3.4

+2.2-2.4+4.6-0.8+3.0

+5.4-0.7+6.1-0.2+5.6

15d

-4.5+2.4-6.8+1.8-6.3

-5.2+2.9-8.1+1.6-6.8

-14.6+1.2-15.8+1.4-16.0

-12.0+1.2-13.1+1.1-13.1

UpDownMarket · Nifty Microcap 250Sector · Specialty Chemicals peers, median of 92Pending

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

AI summary

BSE has asked Archean Chemical Industries to clarify a recent unusual movement in the trading volume of its shares, observed on July 16, 2026. The company has not yet submitted its response. Such clarification requests are routine and do not indicate any confirmed wrongdoing.

Likely market impact

No immediate impact on shareholders. Awaited company response will clarify the volume spike.