Open Offer at Rs 194.04 per share for 26 percent of Castrol India

Open Offer TriggeredListed Co AcquisitionMarquee Jv AnnouncedStrategic Transactions View source PDF Explain this filing

CASTROLIND · 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

+2.6%Reaction day

₹189.30

prior close

₹193.89

announcement price

After-mkt

timing

Nifty Smallcap 250market · index membership as recorded later (tracked since Jun 2026)-0.2%+2.8% vs market

Lubricants peers, median of 5sector-0.3%+3.0% vs sector

On the reaction day the stock moved 2.8 pts more than Nifty Smallcap 250 and 3.0 pts more than its Lubricants 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

+0.9

10m

+1.1

15m

+1.4

30m

+0.7

Sessions after the filingfrom the prior close

StockMarketvs marketSectorvs sector

Reaction day

+2.6-0.2+2.8-0.3+3.0

Next day

+0.5-0.7+1.2-1.8+2.2

-0.4-0.9+0.5-1.3+0.9

+1.7+0.2+1.5-2.0+3.7

+1.0+0.1+0.9+1.0+0.0

+1.3+0.9+0.4+1.3+0.1

+0.4+0.9-0.5-2.2+2.6

15d

-2.9-3.7+0.8-8.6+5.7

-2.9-7.8+4.9-11.6+8.8

-1.1-3.6+2.5-4.9+3.9

-7.4-12.0+4.6-20.8+13.4

UpDownMarket · Nifty Smallcap 250Sector · Lubricants peers, median of 5Pending

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

AI summary

Open Offer at Rs 194.04 per share for 25.71 crore shares (26 percent) by Motion JVCo, a Stonepeak and CPP entity. Triggered by Stonepeak-CPP acquiring Castrol Group from BP at parent level. Offer value about Rs 4,990 crore at full acceptance. Post offer, acquirer stake may rise to about 77 percent. Contingent on deal closing and antitrust approvals. SPA signed December 23, 2025. Detailed statement due within five working days of completion.

Likely market impact

Mandatory open offer for minority shareholders at Rs 194.04. Stock may stay volatile pending deal closure and antitrust approvals.