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GMP— what is the grey market premium?

SFC Environmental IPO

SFC Environmental Technologies Limitedsfcenvironment.com

Bidding closedMainboardIndustrialsNSE · BSE
Price band
₹313 – ₹330
Issue size
₹668 Cr

22% fresh capital

Lot size
45 sh

₹14,850 minimum

Bidding
27 – 29 Oct

Lists 3 Nov 2026

Grey market
₹18

Unofficial quote · 27 Oct

Market data to 30 Oct 2026. Company figures are as filed, sourced 30 Oct 2026. Every figure’s origin is listed under Sources.

IPOVista score

How this issue scores, and why

Every pillar opens to show the raw metric, the curve it was mapped through, the sub-score and its weight. Disagree with the weighting if you like — the arithmetic is all here.

70Strong
IPOVista score 70 out of 100, graded Strong.

IPOVista score

Broadly well-balanced

65% of the scoring model was backed by disclosed data for SFC Environmental, giving medium confidence. Weights for anything missing were redistributed rather than scored as zero.

How this score is built
PillarScoreWeight

Below the line: market sentiment. Capped at 8 of 100 points so a hot grey market can tilt a score but never carry one.

Read this before the number

  • Majority offer for sale

    Only 22.5% of the raise is fresh capital into the company; the rest goes to selling shareholders.

  • Grey market data is unofficial

    GMP is an unregulated, unverifiable over-the-counter quote. It is shown as a sentiment indicator and carries no settlement guarantee.

The IPOVista Score is a transparent summary of disclosed fundamentals and issue terms. It is research, not investment advice, and it cannot predict listing performance.

The company

What the business actually does

Founded 2005 · Navi Mumbai, Maharashtra · 181 employees

SFC Environmental Technologies designs and supplies the technology and equipment that treats sewage and industrial effluent. Its core product is C-Tech, a sequencing batch reactor process sold as a package: design and engineering, decanters, diffusers, turbo blowers, fibre disc filters, solar sludge dryers and PLC/SCADA automation. The DRHP counts 639 installations as of 31 March 2025, covering 15,209 MLD of treatment capacity. Its direct customers are mostly EPC contractors who win municipal sewage-plant tenders, not the municipalities themselves. A second line builds and operates municipal solid-waste plants on its OREX separation technology — two plants in Goa totalling about 425 TPD — and has won compressed-biogas plant orders of 125 TPD and 300 TPD from a state-owned oil company. A third, new line distributes DuPont membranes in India for wastewater recycling and reuse.

Revenue is project-linked: technology packages and equipment billed against contract milestones, plus O&M on the solid-waste plants. Bought-in goods, materials and project cost took 45.8% of total income in FY2025 and employee cost 10.0%; operating EBITDA margin was 29.73% and PAT ₹152.01 crore on ₹697.86 crore of revenue from operations. The structural constraint is working capital against a lumpy order book — the cash conversion cycle stretched from 105 days in FY2023 to 232 days in FY2025, and the total order book fell to ₹560.39 crore at 31 March 2025 from ₹785.23 crore a year earlier. Top ten customers were 61.4% of FY2025 revenue. Of the fresh issue, ₹69.67 crore funds working capital and ₹47.46 crore prepays borrowings.

The company on paper

Legal name
SFC Environmental Technologies Limited
IncorporatedThe legal entity is often incorporated years before the brand you know, and may have traded under another name first
29 Mar 2005
CINCorporate Identity Number — the unambiguous handle for looking this company up at the MCA
U37003MH2005PLC152235
Sector
Industrials · Wastewater and solid-waste treatment technology
Employees
181
Registered office
Navi Mumbai, Maharashtra
Promoters
Sandeep Sudhakar Asolkar, Priya Sandeep Asolkar, Prachiti Sandeep Asolkar, Saketchandrasingh Pratapsingh Dhandoriya
Promoter holding, pre-issue
42.8%

The numbers

Financial performance

Revenue has compounded at 15.9% a year across the 3 reported financial years.

Revenue and profit

Figures in ₹ crore, as reported in the prospectus. Interim quarters are not annualised.

  • Revenue
  • Profit after tax

Margin trend

Profit and operating margin as a percentage of revenue

  • Net margin
  • EBITDA margin

Net worth and borrowings

At each period end, in ₹ crore. Gearing below each period is borrowings over net worth, from these same figures.

  • Net worth
  • Total borrowings

The price

Valuation

What the issue asks for the business, set against what the business earns.

No valuation ratios are recorded for this issue. The price band and the reported financials above are what this record holds.

The terms

How the issue is structured

22% of the money raised is fresh capital that goes to the company; the rest goes to shareholders selling down.

Fresh issueNew shares — proceeds go to the company
₹150 Cr
Offer for saleExisting shares — proceeds go to the selling shareholders
—
Total issue size
₹668 Cr
Shares offered in the OFS
—
Pre-issue shares outstanding
—
Employee discount
—

Demand

What the market is bidding

Subscription is hard exchange data. Grey-market premium is not — it is an unofficial quote, shown because readers want it and labelled because it deserves the label.

Subscription by category

Cumulative bid multiples at the end of day 3. Anchor allocations are excluded.

QIB18.81×NII / HNI12.81×Retail2.71×

Hover or focus a category to see who bids in it.

Total subscription9.47×

A category subscribed above 1× is oversubscribed; allotment in that category then runs as a lottery or on a proportionate basis.

What issues at this level of demand have done

This issue’s book stands at 9.47×, which puts it in the 3–10× band of 2026's 39 settled issues.

Median listing day
+2.6%
Opened below issue
31%
Median today
+2.8%

That is what those 39 issues did, not a forecast of what this one will do — and the book is not final until bidding closes. How every band finished →

Anchor book

Anchor investors commit one working day before the issue opens and are locked in for 30 and 90 days. Who turns up here is the first real signal of institutional appetite.

Raised from anchors
₹200 Cr
Anchor investors
17
50% lock-in ends
29 Nov 2026
Remaining lock-in ends
28 Jan 2027

Lock-in dates are counted from the allotment date under SEBI’s 30- and 90-day anchor rule, not quoted from a filing.

Notable participants

SBI Mutual FundNippon India Mutual FundICICI Prudential Mutual FundQuant Mutual FundGovernment Pension Fund GlobalEdelweiss Mutual FundSundaram Mutual FundBank of India Mutual FundTrustMFEdelweiss Life InsuranceSociete Generale

Grey market premium

Premium quoted over the ₹330 cut-off price. Unofficial and unregulated — sentiment, not a forecast.

Unofficial
₹18.00

The grey market is an informal, unregulated market with no clearing house and no obligation to settle. A premium here does not guarantee a listing gain, and quotes can move sharply — this one ranged ₹18 to ₹32, a spread of ₹14, across the period shown.

Work it out

What this means for one application

Three calculations, each stating the assumption it rests on.

What one application costs

Shares are applied for in whole lots at the cut-off price. The full amount is blocked in your bank account under ASBA, not debited, until allotment.

Lots
1 lot, 45 shares, ₹14,850 blocked
Shares applied for
45
At cut-off price
₹330.00
Amount blocked
₹14,850

One lot is 45 shares at ₹14,850. Retail applications are capped at ₹2,00,000, which allows up to 13 lots here — apply for more and you are bidding as a non-institutional investor instead.

Odds of getting an allotment

When the retail category is oversubscribed, SEBI requires a lottery for the minimum lot. Every application has the same chance, whatever its size.

~37%

chance of one lot, per application

Retail subscription
2.71×
Applicants per share available
2.7× the retail quota

This is an estimate of a lottery, not a prediction. Actual odds depend on the final basis of allotment, how many applications were at the minimum lot, and rejections for technical reasons. Applying from multiple distinct PANs is the only legitimate way to hold more tickets in that lottery.

What the grey market implies

Arithmetic on an unofficial quote. The grey market has no clearing house and no obligation to settle — this is sentiment made numeric, not a forecast.

₹348.00

implied listing price, 5.5% over the cut-off

Cut-off price
₹330.00
Grey market premium
₹18.00
If allotted 45 shares
₹810

Grey-market premiums have historically moved sharply in the days before listing and have been wrong in both directions. Treat this figure as a measure of current enthusiasm, nothing more.

Our read

Easy to misread

Grounded only in figures disclosed in the prospectus. This is analysis, not a recommendation.

Easy to miss in the prospectus

  • The ₹150 crore is the fresh issue only. The offer for sale is 1,23,07,500 shares, which has no rupee value until a price is fixed, so no total offer size exists yet — the DRHP leaves it as [●].
  • SEBI's observations are dated 12 December 2025 and lapse twelve months later, so the approval expires around 11 December 2026 unless the RHP is filed before then.
  • The EBITDA figures are the DRHP's own 'Operating EBITDA' — profit before tax plus depreciation, amortisation and finance costs, less other income and share of joint-venture profit. It is therefore lower than a conventional EBITDA that includes other income (₹29.11 crore in FY2025).
  • FY2025 growth was uneven beneath the headline: revenue rose 6.1%, but the wastewater segment (two-thirds of revenue) shrank to ₹469.21 crore from ₹524.44 crore, with the increase coming from solid waste.

Straight from the filing

Read it yourself

Every figure on this page comes out of these. Go and check them.

The paperwork

Who is running the issue

Lead managers
IIFL Capital Services Limited, JM Financial Limited, Nuvama Wealth Management Limited
RegistrarAllotment status is checked on the registrar's own site
MUFG Intime India Private Limited

How these figures were checked

Reconciled to SFC Environmental's own prospectus and to exchange disclosures, then cross-checked against 6 other independently published compilations of the same filing. Where a stated ratio disagreed with the line items it should come from, the disagreement was settled against the prospectus itself.

The prospectus is the authoritative document. Check anything that matters against it before you act.

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