YASHOPTICSNSEYASH OPTICS & LENS LTDHighNegative
Announced Thu, 15 Oct, 2026 · 16:11 IST

Cyber-attack on IT infrastructure; affected systems shut down for investigation

YASHOPTICS · price

Loading chart…

▲ 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
-2.3%Reaction day
₹129.00
prior close
—
announcement price
After-mkt
timing
Nifty Microcap 250market · in no size index; the smallest one is used+0.7%-3.0% vs market

On the reaction day the stock moved 3.0 pts less than Nifty Microcap 250, 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
5m
—
10m
—
15m
—
30m
—
Sessions after the filingfrom the prior close
StockMarketvs market
Reaction day
-2.3+0.7-3.0
Next day
-5.0-1.0-4.1
2d
-6.8-3.6-3.2
3d
-7.8-4.5-3.2
4d
-9.3-6.8-2.5
5d
-8.5-6.4-2.1
1w
———
15d
———
1m
———
2m
———
3m
———
UpDownMarket · Nifty Microcap 250Pending

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

AI summary

Yash Optics & Lens informed the exchange about a cyber-attack on its IT infrastructure. Upon learning of the incident, the company shut down affected systems and engaged leading cybersecurity experts to investigate the scope of the breach and undertake remedial action. No financial impact or data loss details have been disclosed yet.

Likely market impact

Short-term operational disruption likely; severity and extent of data loss awaited, which could affect investor sentiment.