Sumax Engineering SME IPO GMP History
Sumax Engineering SME IPO has been listed on September 2, 2026 at a listing price of ₹111, against the issue price of ₹101 — a gain of ₹10 (+9.9%). The GMP peaked at ₹36 on 31 August 2026 and reached a low of ₹20 on 18 August 2026. The day-wise GMP trend below shows how grey market sentiment evolved from subscription to listing.
Sumax Engineering SME IPO raised ₹53.4 Cr. through its IPO at a price band of ₹95 to ₹101 per share, with a lot size of 1200 shares. The IPO was open for subscription from 25 Aug 2026 to 28 Aug 2026.
Researched & reviewed by
Abhishek Vohera,
Founder, IPO Guru
Last updated
Figures sourced from the RHP, BSE & NSE
GMP trend
Grey market premium sampled three times a day (11 AM, 5 PM, 10 PM). Last updated 3 Sep, 6:30 PM IST.
Day-wise GMP
The last reading of each day, newest first. Arrows compare with the previous day.
| Date | GMP | ↑↓ | % | Kostak | Sub. Sauda |
|---|---|---|---|---|---|
| 02 Sep 2026 | ₹ 22 | — | 21.78% | — | — |
| 01 Sep 2026 | ₹ 22 | ▼ | 21.78% | — | — |
| 31 Aug 2026 | ₹ 36 | — | 35.64% | — | — |
| 30 Aug 2026 | ₹ 36 | — | 35.64% | — | — |
| 29 Aug 2026 | ₹ 36 | — | 35.64% | — | — |
| 28 Aug 2026 | ₹ 36 | ▲ | 35.64% | — | — |
| 27 Aug 2026 | ₹ 35 | ▲ | 34.65% | — | — |
| 26 Aug 2026 | ₹ 25 | ▼ | 24.75% | — | — |
| 25 Aug 2026 | ₹ 35 | ▲ | 34.65% | — | — |
| 24 Aug 2026 | ₹ 32 | — | 31.68% | — | — |
| 23 Aug 2026 | ₹ 32 | — | 31.68% | — | — |
| 22 Aug 2026 | ₹ 32 | — | 31.68% | — | — |
| 21 Aug 2026 | ₹ 32 | — | 31.68% | — | — |
| 20 Aug 2026 | ₹ 32 | ▲ | 31.68% | — | — |
| 19 Aug 2026 | ₹ 30 | ▲ | 29.70% | — | — |
| 18 Aug 2026 | ₹ 20 | — | 19.80% | — | — |
Sumax Engineering SME IPO dates
Key dates from opening to listing. Today is 3 October.
- Open 25 Aug 2026
- Close 28 Aug 2026
- Allotment 31 Aug 2026
- Refund/credit 01 Sep 2026
- Listing 02 Sep 2026
Sumax Engineering SME IPO actual listing price
How the grey market's final call compared with the listing-day open.
| Issue price | ₹101 |
|---|---|
| GMP-based estimate (pre-listing) | ₹123 (+21.8%) |
| Listing gain / loss | +₹10 per share |
| Listing date | 02 Sep, 2026 |
| Actual listing price | ₹111 (+9.9%) |
Is Sumax Engineering SME IPO GMP reliable?
Grey market premium for Sumax Engineering SME IPO should be interpreted with caution. The GMP is an unregulated, unofficial market not governed by SEBI. Here's how to read the current signal:
- 01Subscription rate matters: A high GMP paired with strong subscription — especially QIB (Qualified Institutional Buyer) oversubscription — is a more reliable bullish signal than GMP alone. Read our in-depth analysis: GMP vs Subscription Data — Which Predicts Listing Gains Better?
- 02Timing matters: GMP in the first 1–2 days of subscription is less reliable. GMP on the final subscription day and the day before listing tends to be the most accurate predictor.
- 03Grey market is thin: For smaller IPOs, even a handful of large orders can swing the GMP significantly. Treat low-volume GMP signals with extra caution.
- 04Cross-check before acting: Review the Sumax Engineering SME IPO full review for a fundamentals-based assessment before making any grey market trades.
Sumax Engineering SME IPO Kostak rate explained
Two ways the grey market trades an IPO application before listing.
The Kostak rate for Sumax Engineering SME IPO was not available during the subscription period. Kostak is the fixed amount a grey market buyer pays for an IPO application regardless of allotment outcome.
The Subject to Sauda price was not available for this IPO. Subject to Sauda only applies if allotment is confirmed — the buyer pays a premium on top of the issue price per lot allotted.
Grey market trading is unofficial and unregulated by SEBI. Proceed with full awareness of the associated risks.
About Sumax Engineering SME IPO
Sumax Engineering Ltd was started in 1994. It makes and trades products used by vehicle makers and by the auto refinish market, that is the paint and body repair trade. The company works through two parts, manufacturing and trading.
On the manufacturing side it makes adhesive tapes and die-cuts, pre-taped masking films, rubbing and polishing compounds, buffing and foam pads, reflective tapes, domes and graphics, and car care products. On the trading side it supplies electrical and pneumatic tools, abrasive sheets, discs and rolls, body shop consumables, retail products, accessories and aerosol products.
The company has two manufacturing units, one at Sriperumbudur in Tamil Nadu and one at IMT Manesar in Haryana. It sells across 26 states and Union Territories in India and exports to markets including Thailand, South Korea, Russia, Turkey, China, Vietnam, the United States, Saudi Arabia and Taiwan. As on 31 March 2026 it had 121 employees.
Frequently asked
What is the GMP of Sumax Engineering SME IPO?
The current Grey Market Premium (GMP) of Sumax Engineering SME IPO is ₹ 22.
What is the Kostak Price of Sumax Engineering SME IPO?
Kostak rate is the profit made by selling an IPO application before allotment. The current Kostak rate for Sumax Engineering SME IPO is not available.
What is the Subject to Sauda Price of Sumax Engineering SME IPO?
Subject to Sauda is the premium amount decided if the allotment is confirmed. The current Subject to Sauda rate is not available.
What was the actual listing price of Sumax Engineering SME IPO?
Sumax Engineering SME IPO listed on September 2, 2026 at ₹111, against the issue price of ₹101 — a gain of +9.9%.
How did the GMP of Sumax Engineering SME IPO trend before listing?
The GMP of Sumax Engineering SME IPO was stable in its final days before listing. The GMP peaked at ₹36 on 31 August 2026. View the day-wise table above for the complete GMP history.
Explore Sumax Engineering SME IPO further
The grey market is one signal. Read it alongside the demand, the reviews and the filings before you decide.
It has listed — go back to the fundamentals.
Category-wise demand from QIB, NII and retail investors, updated through the day.
What brokers and analysts are saying about this issue, in one place.
Check with your PAN whether shares were credited to your demat account.
The grey market called it. Now check the fundamentals.
IPO Guru tracks GMP, subscription and allotment for every Mainboard and SME issue. Read the grey market alongside the subscription book and the offer document before you apply.
Not investment advice. Grey market premium is an unofficial, unregulated indicator and is not a forecast.
