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HealthcareHigh impactPre-market

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

pre-market1 source ↓written by the desknot a recommendation

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

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 identities of the buyers and sellers remain undisclosed. This transaction highlights significant market activity and may influence future trading volumes in the stock.

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 20 Aug 2026, 07:01 IST.

Sourcesnews.google.com

Read inENहिंతెमराதગુ

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 07:01 IST on 20 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
—

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