Castrol India's margin drops 4.24 points as costs outpace revenue
Standalone revenue grew 8.67% year on year, but slower profit growth reflected higher costs and a 27.61% fall in other income.
Filed 28 Apr 2026, 13:25 IST · Castrol India Ltd (CASTROLIND)
Key takeaways
- Standalone operating margin fell 4.24 percentage points sequentially to 21.31% as expenses grew 13.42% against 7.31% revenue growth.
- Revenue rose 8.67% year on year, but net profit increased only 3.74% as costs grew faster and other income fell 27.61%.
- The stock's initial 0.38% decline was smaller than its 1.40% median absolute move after the previous four results.
Price around the results
Revenue growth did not convert fully into profit
Castrol India's standalone revenue grew 8.67% year on year, while operating profit rose 7.14% and net profit rose 3.74%. Expenses increased 9.09%, outpacing revenue and limiting operating-profit conversion. Sequentially, revenue increased 7.31%, but operating profit fell 10.47%.
Sequential margin reversal was the main weakness
Operating margin narrowed 4.24 percentage points sequentially because expenses grew 13.42%, nearly twice the 7.31% revenue growth. The year-on-year margin decline was smaller at 0.30 percentage points, while depreciation rose 12.71% and interest expense fell 19.74%. Other income contributed 7.22% of pre-tax profit, so reported earnings also had a material non-operating component; its year-on-year decline was 27.61%.
Q4 interrupted a three-quarter margin improvement
The margin had risen from 21.61% in Q4FY25 to 23.35% in Q1FY26, 23.69% in Q2FY26 and 25.55% in Q3FY26 before falling to 21.31% in Q4FY26. Despite the sequential setback, Castrol India's margin was 6.72 percentage points above the 14.59% median for the 15 Energy peers that had reported.
New product expands the portfolio
Management said Castrol introduced an engine oil using re-refined base oil in India in 2025. The company described it as India's first-of-its-kind product, linking the quarter's business discussion to a new product focused on re-refined inputs.
Market reaction was within the stock's usual range
The stock fell 0.38% on the results day and was up 0.83% after five sessions, before showing a 1.19% decline after 15 sessions. The initial move was modest against the 1.40% median absolute reaction across the previous four results, which were split evenly between two rises and two falls.
Q4FY26 at a glance
Standalone figures as filed with NSE — cross-checked against an independent source.
| Line item | Q4FY26 | Q3FY26 | QoQ | YoY |
|---|---|---|---|---|
| Revenue | ₹1,545 cr | ₹1,440 cr | +7.31% | +8.67% |
| Other income | ₹23 cr | ₹-9 cr | — | -27.61% |
| Expenses | ₹1,216 cr | ₹1,072 cr | +13.42% | +9.09% |
| Operating profit | ₹329 cr | ₹368 cr | -10.47% | +7.14% |
| Operating margin (%) | 21.31% | 25.55% | — | — |
| Interest | ₹2 cr | ₹2 cr | -17.98% | -19.74% |
| Depreciation | ₹28 cr | ₹24 cr | +13.03% | +12.71% |
| Profit before tax | ₹323 cr | ₹332 cr | -2.73% | +3.32% |
| Tax | ₹81 cr | ₹88 cr | -7.52% | +2.11% |
| Net profit | ₹242 cr | ₹245 cr | -1.02% | +3.74% |
| EPS (₹) | ₹2.45 | ₹2.47 | -0.81% | +3.81% |
Operating margin of 21.31% compares with a Energy sector median of 14.59% across 15 peers that have reported Q4FY26.
How the stock reacted
| Window | Stock | vs NIFTY |
|---|---|---|
| Results day | -0.38% | +0.02% |
| Next session | +0.07% | — |
| 5 sessions | +0.83% | -0.15% |
| 15 sessions | -1.19% | — |
| 30 sessions | -1.30% | — |
Volume on the results session was 1.82× its 20-day average.
What management said
From the company’s own investor presentation. Each point is checked against the source document before it appears here.
New products
- Castrol introduced an engine oil with re-refined base oil in India in 2025.
What to watch
- Whether operating margin recovers from 21.31% after the 4.24-point sequential decline.
- Whether expense growth moves below the 13.42% sequential rate relative to revenue growth.
- Whether other income remains near its 7.22% share of pre-tax profit.