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HealthcareHigh impactAfter close

Aster DM Quality Care block deal worth ₹7,800 crore

after close1 source ↓written by the desknot a recommendation

11.3 equity
5.86 crore shares
was executed
19 Aug 2023
₹7,800 crore
per share
₹769.8
worth
7.2% stake

A block deal involving 5.86 crore shares (11.3% equity) of Aster DM Quality Care Ltd. was executed on 19 Aug 2023 for nearly ₹7,800 crore at ₹769.8 per share. The transaction's buyers and sellers remain unidentified, but Centella Mauritius Holdings was reported to sell a 7.2% stake worth ₹4,780 crore prior to this deal. The seller's remaining stake will face a 60-day lock-in period post-transaction.

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 19 Aug 2026, 16:01 IST.

Sourcesnews.google.com

The market after the news

ASTERDM closed −4.3% on the day of the news, from ₹800.20 to ₹765.65; Nifty +0.6% over the same session.

Bulletin at 16:01 IST on 19 Aug 2026. Every change is measured from ₹800.20, the last close before it, on 19 Aug. Nifty 50 is measured over the same sessions.

  • ASTERDM close ₹
  • Nifty 50, rebased to the close before the news
  • close before the news
  • above it
  • below it
ASTERDM closes around the bulletin against the close before the news, with Nifty 50 rebased to it690.41800.20909.99axis spans 32%before the news · 19 Aug800.20Nifty 50ASTERDMbulletinD0+1+3+513 Aug25 Aug3 SeptReference close ₹800.20. 16 sessions from 13 Aug to 3 Sept; the price axis spans 32 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 %
Before19 Aug₹800.20basebase
On the day20 Aug₹765.65▼ −4.3%▲ +0.6%−5.0 pp difference
+1 session21 Aug₹761.55▼ −4.8%▲ +0.7%−5.5 pp difference
+3 sessions25 Aug₹765.25▼ −4.4%▲ +1.1%−5.4 pp difference
+5 sessions27 Aug₹754.80▼ −5.7%▲ +0.1%−5.7 pp difference
Gap at the open, % · ₹
▼ −0.2%−1.84 on 20 Aug
Day's range, % · ₹
5.3%≈ 42 high to low
Volume on the day
2.22×the 20-session average
Futures OI on the day
—
Futures OI open, lots
—
Futures premium, ₹
—
Puts per call, by OI
—
Max pain
—

Source NSE UDiFF bhavcopy · ASTERDM on the desk →

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