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TCS announces $700 million acquisition of Coastal Cloud

pre-market1 source ↓written by the desknot a recommendation

all-cash acquisition
$700 million
to close
31 Jan 2026
in 2024
$132 million
for the twelve
$141 million

Tata Consultancy Services has announced a $700 million all-cash acquisition of AI services firm Coastal Cloud, expected to close by 31 Jan 2026. This marks one of TCS's largest buyouts since its 2004 listing, reflecting a shift towards more aggressive inorganic growth strategies. Coastal Cloud reported revenues of $132 million in 2024 and $141 million for the twelve months ending September 2025.

Not investment advice. For informational purposes only.

OI Charts is not a SEBI-registered investment adviser or research analyst. This bulletin was written by the OI Charts desk from the public sources listed here. It is commentary on market conditions, not a basis for any investment decision and not a recommendation to buy or sell any security. Prices as of 11 Dec 2025, 07:04 IST.

Sourcesnews.google.com

The market after the news

TCS closed +0.1% on the day of the news, from ₹3,189.20 to ₹3,191.90; Nifty +0.6% over the same session; futures OI −0.5%.

Bulletin at 07:04 IST on 11 Dec 2025. Every change is measured from ₹3,189.20, the last close before it, on 10 Dec. Nifty 50 is measured over the same sessions.

  • TCS close ₹
  • Nifty 50, rebased to the close before the news
  • close before the news
  • above it
  • below it
  • futures OI, lots
TCS closes around the bulletin against the close before the news, with Nifty 50 rebased to it279531893583axis spans 28%before the news · 10 Dec3189Nifty 50TCSbulletinD0+1+3+54 Dec16 Dec26 DecFutures open interest, lotspeak 1.5 LReference close ₹3,189.20. 16 sessions from 4 Dec to 26 Dec; the price axis spans 28 percent.
price axis fixed at 4 × the 14-session true range around the close before the news · values printed at each marked session
Closes after the news against the close before it, with Nifty 50 over the same span
SessionClose ₹Change %Nifty %
Before10 Dec₹3,189.20basebase
On the day11 Dec₹3,191.90▲ +0.1%▲ +0.6%−0.5 pp difference
+1 session12 Dec₹3,220.50▲ +1.0%▲ +1.1%−0.1 pp difference
+3 sessions16 Dec₹3,205.10▲ +0.5%▲ +0.4%+0.1 pp difference
+5 sessions18 Dec₹3,280.80▲ +2.9%▲ +0.2%+2.6 pp difference
Gap at the open, % · ₹
▲ +0.5%+15.95 on 11 Dec
Day's range, % · ₹
1.7%≈ 55 high to low
Volume on the day
0.63×the 20-session average
Futures OI on the day
▼ −0.5%−790 lots · short covering · price +0.1%
Futures OI open, lots
1.5 L11 Dec · 30 Dec expiry
Futures premium, ₹
+7.30+0.2% to spot
Puts per call, by OI
0.77from 0.77 the session before
Max pain
3,200from 3,200 the session before

Source NSE UDiFF bhavcopy · TCS on the desk →

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