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The market expects IDFC First Bank to do better than it ever has.
At today’s share price, buyers are assuming IDFC First Bank earns about 16.3% a year on the money invested in it, from here on. Over the last ten years it actually earned about 5.5% a year. So the share price only makes sense if the business improves on its own track record. If it simply carries on as before, buyers today have paid for something they will not get.
- How it is valued: Excess return — the correct lens for a bank.
- What the price assumes: 16.3% return on equity, against 5.5% the model takes from its own record.
- Ten-year record: Between FY2019 and FY2026, IDFC First Bank's revenue went from ₹13,143 crore to ₹48,422 crore — it compounded at about 20% a year over 7 years.
- Biggest swing factor: Return on equity. Main risk: Microfinance stress.
01From IDFC Bank and Capital First
IDFC First Bank was created in 2018 by merging IDFC Bank, the banking arm of the infrastructure financier IDFC, with V. Vaidyanathan's consumer lender Capital First. Vaidyanathan has led it since, and in 2024 its parent IDFC Ltd was merged into it.
It has replaced old infrastructure loans with consumer, home, vehicle and small-business lending, and built a retail deposit base with features such as zero-fee savings accounts.
02What the market is assuming
Work backwards from today's share price and you can see what buyers are quietly taking for granted. Here is the return on equity that price implies for IDFC First Bank, next to what the model assumes from the company's own record.
The further apart these two numbers are, the bigger the bet a buyer at today's price is making.
03IDFC First Bank's record, in plain numbers
Between FY2019 and FY2026, IDFC First Bank's revenue went from ₹13,143 crore to ₹48,422 crore — it compounded at about 20% a year over 7 years. It reported a net loss in FY2019 and FY2020, and closed the period with net profit of ₹1,611 crore. In FY2026 it kept 3.3% of revenue as net profit — against a low of -15.8% in FY2020 and a high of 9.1% in FY2023. The latest year added 11.4% to revenue, well behind its own long-run pace. FY2022 is missing from the filed series used here, so that year is left out rather than estimated.
Revenue and earnings per share in ₹, return on equity and leverage as ratios — all from the filed statements.
Revenue and net profit by year (₹ crore)
| Year | Revenue | Net profit | Margin |
|---|---|---|---|
| FY2019 | 13,143 | -1,880 | -14.3% |
| FY2020 | 17,963 | -2,843 | -15.8% |
| FY2021 | 18,222 | 483 | 2.7% |
| FY2023 | 27,195 | 2,485 | 9.1% |
| FY2024 | 36,257 | 2,942 | 8.1% |
| FY2025 | 43,478 | 1,490 | 3.4% |
| FY2026 | 48,422 | 1,611 | 3.3% |
04How IDFC First Bank gets valued — and why
Excess return — the correct lens for a bankA bank is not valued with a discounted cash flow. Deposits are its raw material and interest is operating income, so enterprise value means nothing here. It is valued on excess return instead — the profit it earns above the cost of the equity funding it.
05What decides IDFC First Bank's value
Return on equity
Lifting returns from low levels is the central question.
Deposit growth
Cheap retail deposits lower funding costs.
Credit costs
Microfinance and unsecured loans carry higher defaults.
Operating leverage
Costs need to grow slower than income.
06What could go wrong
- Microfinance stress. Rural borrower defaults have hit profit.
- High costs. Branch and technology spending weigh on returns.
- Dilution. Capital raises reduce per-share gains.
07What the full IDFC First Bank valuation shows
Sign in free to see the complete IDFC First Bank valuation
- ✓The full model workings — and exactly where the model and the market part ways
- ✓Every assumption — growth, returns and cost of capital, with sources
- ✓Bull, base and bear cases — and exactly which assumptions move between them
- ✓Peer comparison — against AU Small Finance Bank, RBL Bank and Federal Bank
- ✓Downloadable report — the full write-up, yours to keep
08Questions people ask about IDFC First Bank
How was IDFC First Bank formed?
By merging IDFC Bank with Capital First in 2018.
Who runs IDFC First Bank?
V. Vaidyanathan, the founder of Capital First.
Why are IDFC First Bank's returns low?
High operating costs and credit costs while it builds its retail franchise.
Is IDFC First Bank overvalued?
At ₹80 the market is pricing in roughly 16.3% sustained ROE, against the ~5.5% its own record supports. That is more than it has delivered, so the price is justified only if the business can hold a rate it has not previously sustained.
What is the intrinsic value of IDFC First Bank?
It is computed from the filed financial statements using the method that fits this business (excess return), with every assumption shown alongside the result. The per-share figure and the full working are in the report.
How much debt does IDFC First Bank carry?
Debt to equity stands at 0.95, down from 2.02 at the start of the period — the balance sheet is a core input to the cost of capital used here.