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HDFC AMC shares drop 3% after cyber security incident

pre-market1 source ↓written by the desknot a recommendation

on 18
3%
on the NSE
₹2,602.20

Shares of HDFC Asset Management Company fell 3% on 18 May, reaching a low of ₹2,602.20 on the NSE following a cyber security incident disclosure. The company reported receiving an anonymous communication claiming access to its IT infrastructure. Despite the incident, HDFC AMC stated that initial reviews suggest no material impact on operations.

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 May 2026, 07:17 IST.

Sourcesnews.google.com

Read inENहिंతెमराதગુ

The market after the news

HDFCAMC closed +1.1% on the day of the news, from ₹2,625.10 to ₹2,653.60; Nifty −0.1% over the same session; futures OI +1.2%.

Bulletin at 07:17 IST on 19 May 2026. Every change is measured from ₹2,625.10, the last close before it, on 18 May. Nifty 50 is measured over the same sessions.

  • HDFCAMC close ₹
  • Nifty 50, rebased to the close before the news
  • close before the news
  • above it
  • below it
  • futures OI, lots
HDFCAMC closes around the bulletin against the close before the news, with Nifty 50 rebased to it238026252870axis spans 21%before the news · 18 May2625Nifty 50HDFCAMCbulletinD0+1+3+512 May22 May3 JunFutures open interest, lotspeak 25,000Reference close ₹2,625.10. 16 sessions from 12 May to 3 Jun; the price axis spans 21 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 %
Before18 May₹2,625.10basebase
On the day19 May₹2,653.60▲ +1.1%▼ −0.1%+1.2 pp difference
+1 session20 May₹2,685.30▲ +2.3%0.0%+2.3 pp difference
+3 sessions22 May₹2,738.70▲ +4.3%▲ +0.3%+4.0 pp difference
+5 sessions26 May₹2,739.80▲ +4.4%▲ +1.1%+3.3 pp difference
Gap at the open, % · ₹
0.0%0.00 on 19 May
Day's range, % · ₹
3.6%≈ 95 high to low
Volume on the day
0.63×the 20-session average
Futures OI on the day
▲ +1.2%+280 lots · long build-up · price +1.1%
Futures OI open, lots
24,00019 May · 26 May expiry
Futures premium, ₹
+6.60+0.3% to spot
Puts per call, by OI
0.60from 0.58 the session before
Max pain
2,700from 2,700 the session before

Source NSE UDiFF bhavcopy · HDFCAMC on the desk →

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