What is IPO Grey Market Premium (GMP)?

IPO Grey Market Premium (GMP) is an unofficial, over-the-counter premium over the issue price that dealers and investors pay prior to official listing on NSE/BSE.

How is estimated IPO listing price determined?

Estimated Listing Price = Cut-off / Issue Price + Current Grey Market Premium (GMP). For example, an issue price of ₹100 with ₹40 GMP yields an estimated listing price of ₹140 (+40%).

What is Kostak rate in an IPO?

Kostak rate is the fixed profit earned by selling an IPO application before allotment, irrespective of whether the application is allotted shares or not.

What is Subject to Sauda in IPO trading?

Subject to Sauda is an informal contract where payment is made only if the seller receives share allotment in the IPO.

Is IPO Grey Market Premium (GMP) regulated by SEBI?

No. Grey Market transactions are non-exchange over-the-counter commitments and are not officially regulated or endorsed by SEBI. Investors should treat GMP as an informal sentiment indicator.

What is the estimated listing price for ATC Energies System Limited IPO?

Based on the upper price band of ₹118 and current GMP of ₹4, the estimated listing price is ₹122 (approx. 3.4% gain).

What is the expected profit per lot for ATC Energies System Limited IPO?

With a lot size of 1200 shares and current GMP of ₹4, expected profit per retail application lot is approximately ₹4,800.

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Grey Market Intelligence

ATC Energies System Limited

ListedSME

Emerging SME Services · NSE

ATC Energies System Limited, established in 2020, specializes in lithium and Li-ion batteries and energy storage solutions for various industries, including banking, automobiles, and industrial applications. The company started by making mini batteries for the banking sector and later expanded to offer batteries of all sizes, tailored to customer needs through in-house design and engineering. Its products include batteries for POS machines and ATMs in banking, electric vehicle batteries for two- and three-wheelers, and power solutions for industrial UPS, energy storage systems, and weighing scales. The company is headquartered in Mumbai, with manufacturing facilities in Vasai, Thane, and Noida, equipped with advanced battery assembly technology. As of February 28, 2025, ATC Energies System Limited has 81 employees, with around 33% being women, showcasing its commitment to workforce diversity.

Price Band

₹112 – ₹118

Issue Size

₹63.76 Cr

Lot Size

1200 shares

GMP

₹4

+3.4%

Est. Listing

₹122

at current GMP

Subscribed

1.61x

overall

Open

25 Mar 2025

27 Mar 2025

Allotment

28 Mar 2025

Refund

29 Mar 2025

Demat Credit

30 Mar 2025

Listing

2 Apr 2025

Last updated 12 days ago

Overview Live GMP Live Subscription Allotment Status

Live Grey Market Premium

ATC Energies System Limited GMP Today

Last updated: 19 Oct 2026

Current Premium

₹4+3.4%

Issue Price (Upper)

₹118

Band: ₹112 – ₹118

Estimated Listing Price

₹122

Upper price + GMP

Lot Size

1200 shares

Min investment ₹1,41,600

Date	GMP (₹)	GMP %	Est. Listing
31 Oct 2026	+₹4	3.4%	₹122
30 Oct 2026	+₹4	3.4%	₹122
29 Oct 2026	+₹4	3.0%	₹122

About ATC Energies System Limited Public Issue & Market Profile

ATC Energies System Limited is bringing an initial public offering (IPO) in the Emerging SME Services sector with an aggregate issue size of ₹63.76 Crores. The shares are offered at a price band of ₹112 to ₹118 per equity share on NSE. Currently, grey market participants and retail investors are watching the bidding trend, premium movement, and anchor book demand with keen interest.

Public Issue & Pricing Context:

Prospective investors can apply in the retail quota with a minimum of 1 lot comprising 1200 shares (approx. ₹1,41,600 minimum investment). High net-worth individuals (HNI/NII) can bid in the sHNI (₹2 Lakh to ₹10 Lakh) or bHNI (above ₹10 Lakh) categories for enhanced quota allocation.

Basis of Allotment & Listing Timeline:

Allotment reconciliation will be managed by Kfin Technologies Limited. Eligible allottees will receive credit of equity shares into their Demat accounts by 2025-03-30, while un-allotted funds or UPI block mandates will be released on 2025-03-29.

Frequently Asked Questions

What is ATC Energies System Limited IPO GMP today?

The latest grey market premium for ATC Energies System Limited IPO is ₹4, which indicates an expected listing price of ₹122.

What does Kostak Rate and Sauda mean in IPO GMP?

Kostak rate is the profit amount an investor earns by selling their entire IPO application in the grey market before allotment is finalized.

Is Grey Market Premium officially recognized?

No. GMP is an unofficial indicator discovered between dealers outside of SEBI-regulated exchanges. Actual listing price is determined by demand-supply discovery on NSE/BSE during the pre-open auction.