Supreme Petrochem clarifies partial Amdoshi Plant shutdown rumour

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

+0.3%Reaction day

₹640.50

prior close

₹644.80

announcement price

After-mkt

timing

Nifty Smallcap 250market · index membership as recorded later (tracked since Jun 2026)+0.1%+0.3% vs market

Petrochemicals peers, median of 12sector-0.1%+0.4% vs sector

On the reaction day the stock moved 0.3 pts more than Nifty Smallcap 250 and 0.4 pts more than its Petrochemicals 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

+1.0

10m

+1.6

15m

+1.8

30m

+1.2

Sessions after the filingfrom the prior close

StockMarketvs marketSectorvs sector

Reaction day

+0.3+0.1+0.3-0.1+0.4

Next day

+0.5-0.1+0.7-0.9+1.4

-0.4-0.7+0.3-0.6+0.2

+1.1-0.9+2.0+1.3-0.2

+0.7+0.3+0.4+0.8-0.1

+0.3+0.2+0.1-0.5+0.8

+0.9+1.3-0.4-0.9+1.7

15d

-15.7-2.6-13.1-6.1-9.6

-20.9-7.8-13.2-10.2-10.7

+1.7-4.2+5.9-13.4+15.0

+8.5-12.4+20.9-24.6+33.1

UpDownMarket · Nifty Smallcap 250Sector · Petrochemicals peers, median of 12Pending

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

AI summary

Supreme Petrochem clarified that rumours about a full shutdown of its Amdoshi Plant in Maharashtra are false. Only the newly set up equipment at the plant is under closure. The rest of the Amdoshi plant, which produces PS, EPS, GPPS, HIPS and XPS, remains fully operational with no hindrance.

Likely market impact

Partial closure limited to new equipment; core PS/EPS/GPPS/HIPS/XPS production unaffected, likely limits negative stock impact.