TAC Infosec Ltd. Hits Lower Circuit on NSE, 16 October 2026

On 16 October 2026, TAC Infosec Ltd. (TAC) hit the lower circuit on NSE at Rs 369.05, a 4.99% negative move from the previous close of Rs 388.45. The company’s market cap stood at Rs 816.8 crore. The lower circuit price for the session was Rs 369.05.

The TAC Infosec lower circuit came as selling pressure met the exchange-defined price band. At the time of writing the stock was locked at its lower circuit level, which makes the session worth noting for short-term market participants.

Key Takeaways

• TAC Infosec Ltd. (TAC) hit the lower circuit on NSE at Rs 369.05 on 16 October 2026.
• The session move was -4.99% against a previous close of Rs 388.45.
• Market capitalisation stood at Rs 816.8 crore with a PE ratio of 36.29.
• No official company announcement or verified catalyst was confirmed at the time of writing.
• A price band is an exchange trading rule, not a view on the company or a recommendation.

Key Market Data

All figures above are as of 16 October 2026, sourced from Univest market data for the NSE listing. Only fields present in the source for this session are shown.

Price Action and Trading Activity

TAC Infosec Ltd. opened at Rs 380 on NSE, compared with a previous close of Rs 388.45. During the session, the stock traded between Rs 369.05 and Rs 389.5 before touching the lower circuit price of Rs 369.05.

The absolute day change was Rs 19.4, while the percentage move was -4.99%. The event figures are kept to a single exchange so the numbers stay comparable.

The selected exchange matters because price bands, day range and previous-close values can differ across exchanges. This article uses NSE consistently for the event table and narrative. The stated lower circuit limit for the session was Rs 369.05, which is the level the price reached.

Why TAC Infosec Ltd. Hit Lower Circuit

TAC Infosec Ltd. hit the lower circuit after selling pressure pushed the stock to its exchange-defined price band. No official company announcement or verified external catalyst was confirmed at the time of writing, so the move should be read primarily through price action and market sentiment.

Because no verified catalyst was available, this article does not attribute the move to earnings, corporate action, sector news, or market rumours. If a confirmed announcement becomes available later, it should be added as a separate update.

Within the session the stock reached the lower circuit level of Rs 369.05.

What the TAC Infosec Lower Circuit Means

A lower circuit is the minimum price level a stock is allowed to reach during a trading session under the applicable exchange price band. For TAC Infosec Ltd., the captured lower circuit price was Rs 369.05 on 16 October 2026.

The circuit mechanism is meant to slow extreme price movement and keep trading orderly. It is a market-structure fact, not a return forecast. In this article, the lower circuit explains what happened in the session and where the price band was reached.

TAC Infosec Ltd. Fundamentals and Valuation

Available market data gives a fuller picture than price action alone. For TAC Infosec Ltd., PE ratio was 36.29, PB ratio was 9.17, book value was Rs 42.34, EPS was 10.7, ROE was 38.98%, ROCE was 39.92%, dividend yield was 0% and debt-to-assets ratio was 0.01, on a market cap of Rs 816.8 crore. These are available financial indicators and should not be read as a buy, sell, or hold view.

At the reported PB ratio of 9.17, the market valued TAC Infosec Ltd. above its reported book value per share. That premium can reflect growth expectations, asset quality, or simply thin trading in a smaller counter.

For investors tracking lower circuit moves, these metrics help separate the price event from the broader financial profile. A sharp one-day move can attract attention, but valuation and return ratios still need to be reviewed separately.

Peer and Sector Context

TAC Infosec Ltd. belongs to the Business Support industry within the Business Services sector. The peer table below uses available companies from the same sector or industry to give broader valuation context.

TAC Infosec Ltd.’s PE ratio was 36.29, compared with an available peer PE average of 87.13, calculated from the 5 peer companies that had a PE on record. This comparison is a valuation reference point, not a recommendation.

Technical Snapshot

The technical snapshot adds context: RSI was 65.72.

Worth flagging: the RSI reading sits on the opposite side of neutral to the day move. Indicator values in the dataset can lag the live session, so they should be checked against a live chart before being relied on.

What Readers Should Know

The main confirmed fact is that TAC Infosec Ltd. hit the lower circuit on NSE at Rs 369.05 on 16 October 2026, with a -4.99% day move.

The practical limitation after a lower-circuit session is execution. Sellers queue at the band with few buyers, so exiting at the quoted price may not be possible. The other limitation is that no official catalyst was confirmed at the time of writing.

Readers should treat lower circuit events as market updates, not standalone investment conclusions. The price band shows heavy near-term selling pressure, but follow-up analysis should consider business fundamentals, valuation, liquidity, risk, and confirmed company disclosures.

Frequently Asked Questions

Why did TAC Infosec Ltd. hit lower circuit on 16 October 2026?

The stock reached its lower price band after selling pressure during the session. No official company announcement or verified external catalyst was confirmed at the time of writing.

What was TAC share price on 16 October 2026?

The last traded price used in this article was Rs 369.05 on NSE. That price matched the lower circuit price captured for the event.

What was the lower circuit price for TAC?

The lower circuit price was Rs 369.05. The stated exchange lower circuit limit was Rs 369.05. The event numbers in this article are aligned to NSE.

What is TAC Infosec Ltd.’s market cap and PE ratio?

TAC Infosec Ltd.’s market cap was Rs 816.8 crore. PE ratio was 36.29.

Which exchange and data source were used?

The selected exchange was NSE. The article uses Univest market data available at the time of generation, captured on 16 October 2026.

Does hitting a lower circuit mean TAC Infosec Ltd. is a buy or a sell?

No. A circuit is an exchange price-band rule that caps how far a stock can move in a single session. It carries no view on valuation or business quality and is not a recommendation. Any decision should rest on fundamentals, valuation, liquidity and your own risk tolerance.

Can you buy or sell TAC Infosec Ltd. shares when the stock is at the lower circuit?

It is usually difficult. At the lower circuit, sell orders queue up with few buyers, so exiting at the quoted price may not be possible. Orders can stay unfilled until buying interest returns.

What happens the next trading session after a lower circuit?

There is no fixed outcome. The band resets each session, so the stock can open freely, hit the same band again, or reverse. The exchange can also revise the applicable band width. The useful signals to watch are whether the company files any disclosure explaining the move.

What is the lower circuit limit set at for Indian stocks?

Exchange price bands are commonly set at 2%, 5%, 10% or 20% depending on the security, and the applicable band can be revised by the exchange. For TAC Infosec Ltd. the stated limit was Rs 369.05. For this session, TAC Infosec Ltd. moved -4.99%.