Tata Motors PV and Stellantis sign definitive product and tech partnership

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TMPV · 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

+0.5%Reaction day

₹284.45

prior close

₹284.30

announcement price

After-mkt

timing

Nifty 100market+1.5%-0.9% vs market

Passenger Cars & Utility Vehicles peers, median of 6sector+0.9%-0.4% vs sector

On the reaction day the stock moved 0.9 pts less than Nifty 100 and 0.4 pts less than its Passenger Cars & Utility Vehicles 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

-0.6

10m

-0.8

15m

-0.7

30m

-0.6

Sessions after the filingfrom the prior close

StockMarketvs marketSectorvs sector

Reaction day

+0.5+1.5-0.9+0.9-0.4

Next day

-0.2+1.1-1.3+0.3-0.5

+0.9+2.4-1.5+1.4-0.5

+0.8+3.0-2.2+2.0-1.1

-2.3+2.0-4.3+1.1-3.3

-3.1+1.4-4.5-0.9-2.2

-7.0+0.2-7.1-4.1-2.8

15d

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UpDownMarket · Nifty 100Sector · Passenger Cars & Utility Vehicles peers, median of 6Pending

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

AI summary

Tata Motors Passenger Vehicles (TMPV) signed a Definitive Agreement with Stellantis expanding their partnership into advanced technology and vehicle architecture collaboration. Building on a February 2026 MoU, TMPV will share its product technology with Stellantis, which will engineer vehicles for 50 plus global markets. Production will happen in India at FIAPL, their 50:50 joint venture, reinforcing India as a global auto export hub.

Likely market impact

Strengthens TMPV tech credibility and opens new export revenue through Stellantis global reach across 50 plus markets.