Underwriting & Risk

Brent Near $100, Cotton Yarn Up Rs 95 a Kilo: Your Stock Sum Insured Was Set at April Prices

Brent traded near $100 on 6 October against about $72 before the war, and cotton yarn rose roughly Rs 95 a kilo over the year. Stock sums insured set on April valuations may now carry silent underinsurance under the average clause. Worked examples and the mid-term fixes.

Tarun Kumar Singh
Tarun Kumar SinghStrategic Risk & Compliance SpecialistAIII · CRICP · CIAFP
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Last reviewed: October 2026

Two Price Shocks, One Insurance Problem

Brent crude fell 0.75% to $99.57 a barrel on 6 October 2026, with WTI at $88.37, according to Al Jazeera citing Oilprice.com. Tamas Varga of PVM Oil Associates told Al Jazeera that Brent was around $72 a barrel before the war began on 28 February. That is a rise of roughly 38% in seven months, and it feeds into products priced off crude: polymers, solvents, bitumen, lubricants, base oils and the chemical intermediates that processors hold in tanks and warehouses.

Textiles have their own price shock running alongside. Textiles Resources reported on 9 September 2026 that CITI Chairman Ashwin Chandran said the landed price of clean cotton had risen by about Rs 70, while "yarn prices have risen by roughly Rs 95 per kg across the past year", which he attributed to a surge in worldwide yarn demand.

Many annual fire and stock policies for Indian manufacturers renew on 1 April, and the sum insured on stock is typically set from March or April valuations. Unless those valuations already captured the full move, the same physical stock is worth more today. The quantity in the godown may be unchanged. Its value is not, and the policy is assessed against value.

This post sets out how that gap becomes a claim deduction, with worked examples for a petroleum-linked processor and a spinning mill, and what to change before the next loss rather than after it.

How the Average Clause Turns a Price Rise Into a Claim Cut

The average clause in a fire policy compares the sum insured with the value of the property at risk at the time of loss. If the sum insured is lower, the insurer pays only that proportion of the loss. The test is run on the date of loss, at prices on that date, not at the prices that applied when the policy was placed.

Stock is the asset class where this bites hardest. Buildings and machinery are usually insured on reinstatement value and move slowly. Stock turns over every few weeks, and each replenishment is bought at the current price. A mill that buys cotton every month at a higher rate is steadily replacing cheaper inventory with dearer inventory, while the policy still carries the April figure.

The second effect is the cap. Even with no average, the insurer never pays more than the sum insured. A total loss at a site whose stock is now worth 30% more than the insured figure leaves that 30% uninsured outright. Our earlier post on underinsurance and the average clause in fire claims covers the surveyor's method in more detail.

Worked Example: A Petroleum-Linked Processor

Take a processor in Gujarat that converts polymer granules, solvents and additives into packaging film and coated products. At the 1 April renewal it insured raw material, WIP and finished stock at its main plant for Rs 50 crore, based on the March stock statement.

The figures that follow are illustrative assumptions, not reported data. Suppose the cost of its crude-linked inputs has risen enough by October that the same physical stock is now worth Rs 62.5 crore, a 25% increase. That is deliberately smaller than the 38% rise in Brent from the pre-war level, both because part of that rise came before the April valuation and because conversion costs, labour and packaging in the stock value do not move in step with crude.

A fire in the finished goods warehouse destroys stock assessed at Rs 20 crore at current market value. The average clause applies:

  1. Ratio of sum insured to value at risk: 50 / 62.5 = 0.80.
  2. Claim before deductible: 20 x 0.80 = Rs 16 crore.
  3. Shortfall borne by the insured: Rs 4 crore, before the policy excess.

Nothing in that calculation involves a breach of warranty or a disputed cause. The processor told the truth at inception, paid the premium and still recovers 80% of an admitted loss.

Bitumen, lubricants and tank stock

Processors that hold bitumen, lubricants or bulk solvents in tanks face a second issue: stock levels in tanks swing sharply with procurement cycles. A tank farm that is half full in April and full in October has both a price increase and a volume increase stacked on the same sum insured. These businesses are the clearest case for a declaration basis, discussed below.

Worked Example: A Spinning Mill and Garment Exporter

Now take a spinning mill in Tamil Nadu that holds raw cotton, yarn and work in progress, and sells part of its yarn to knitwear units in Tiruppur. At renewal it insured stock for Rs 40 crore.

The Textiles Resources report of 9 September 2026 gives the scale of movement in this sector. CITI put the rise in yarn prices at roughly Rs 95 per kg over the past year. The Tiruppur Exporters and Manufacturers Association said last year's cotton requirement was 350 lakh bales against domestic production of 290 lakh bales, and pressed the Centre and the state to ban cotton exports, alleging that large mills and traders had restricted supply since January. After the government scrapped the 11% cotton import duty, 62 lakh bales were imported, and cotton futures climbed to 92 US cents per pound before easing to about 86 cents.

To keep the example simple, assume (illustratively) that the mill holds 10 lakh kg of yarn and that Rs 60 per kg of the yearly rise has come through since the April valuation. That alone adds Rs 6 crore of value to yarn stock, before any increase in raw cotton or WIP. Assume total stock is now worth Rs 48 crore.

A fire in the yarn godown causes a loss of Rs 12 crore. The insurer pays 12 x 40 / 48 = Rs 10 crore, and the mill absorbs Rs 2 crore.

Stock that is not at your premises

Textile stock rarely stays in one place. Yarn goes to knitting units, fabric goes to dyeing and processing houses, and cut pieces go to stitching job-workers. Fire policies are location-specific. Stock lying at a job-worker or dyeing unit is covered only if that location is named in the schedule, or if the policy carries a specific stock-at-third-party-premises extension with its own sum insured. Those sub-limits were also set in April, and they are rarely reviewed. The fire exposures in this supply chain are set out in our Tiruppur knitwear risk profile.

Basis of Valuation: Read the Wording Before You Reprice

How much a price spike raises the value at risk depends on how the policy values stock. Check the basis of valuation clause in the schedule and the policy wording before arguing about numbers.

  • Market value at the time and place of loss. If the policy values stock at market value, every rise in the commodity price flows straight into the value at risk, and therefore into the average calculation. This is the basis most exposed to a price spike.
  • Cost. If stock is valued at cost, the relevant figure is what the business actually paid for the inventory on hand. Rising purchase prices still lift the value at risk, but with a lag equal to the stock turnover period.
  • Lower of cost and market. Found in some stock wordings. In a rising market this usually resolves to cost.
  • Finished goods at selling price. Some exporters negotiate cover for finished goods at contract or selling price, less unincurred expenses. Here the sum insured must track selling prices, which may have risen less than input prices if the exporter could not pass costs through.

Whichever basis applies, the stock statement given to the bank under the working capital limit is the first document the surveyor will ask for. If the bank statement shows higher values than the insurance schedule, the gap is visible on day one of the claim. Reconcile them before a loss.

Fixing It Mid-Term: Endorsements, Declaration and Floater Policies

There are three ways to bring cover back into line. They are not mutually exclusive.

  1. Mid-term sum-insured endorsement. The quickest fix. Request an endorsement increasing the stock sum insured to current values, and pay the additional pro-rata premium. Under Section 64VB of the Insurance Act, 1938, the increased cover attaches only once the additional premium is received by the insurer. An email to the broker is not cover; build the payment into the same day.
  2. Declaration policy. For businesses whose stock values swing with commodity prices or procurement cycles, a declaration policy sets a maximum sum insured and adjusts premium to monthly declared values. The maximum must be set high enough for peak stock at current prices, because any value above it is uninsured. Declared values must be at the basis of valuation the policy uses, not at book cost carried forward. The mechanics are covered in our post on declaration and floater stock policies.
  3. Floater policy. Where stock moves between the mill, warehouses and job-workers, a floater sum insured across named locations avoids the situation where one site is overinsured and another underinsured. Floaters are usually rated higher than single-location cover, and insurers may require a declaration basis alongside.

The same discipline applies to electronics and other inputs, as our post on the 2026 memory price surge showed for component stock.

Marine Declarations and Business Interruption Move Too

The price rise does not stop at the fire policy.

Marine cargo: CIF values and per-sending limits

Indian marine cargo open policies and open covers typically insure each consignment on its CIF value plus an agreed uplift, declared shipment by shipment. Two figures were set at inception on older prices: the per-sending or per-conveyance limit, and the estimated annual turnover on which the deposit premium was charged. A cotton importer bringing in bales after the duty removal, when futures touched 92 cents per pound, may find that a shipment of the same tonnage now exceeds the per-sending limit. Inland transit declarations for polymer and solvent movements face the same issue. Check every declaration against the limit, and ask the insurer to raise the limit and the estimated turnover before the next shipment rather than at the year-end adjustment.

Business interruption: gross profit is not static

A fire loss of profits policy insures gross profit, usually on the difference basis: turnover less specified working expenses such as raw materials. When input costs rise, two things can happen. If the business passes costs through, turnover rises and gross profit in rupee terms may rise with it, so the business interruption sum insured set on last year's accounts becomes too low, and average applies to BI as well. If the business cannot pass costs through, margins compress and the rate of gross profit falls. The trend adjustment clause lets the loss adjuster reflect these changes, but it does not raise the sum insured. Recalculate projected gross profit for the indemnity period using current input costs and current selling prices, and endorse the BI sum insured if it has moved.

What to Do This Month

A short review now costs far less than a 20% claim deduction later.

  1. Pull the latest stock statement submitted to the bank and value it on the basis of valuation your fire policy uses.
  2. Compare that value, site by site, with the sum insured or declaration ceiling. Include stock at job-workers, dyeing units and third-party warehouses.
  3. If the gap is material, endorse the sum insured now and pay the additional premium the same day, since cover attaches only on receipt.
  4. If stock values swing with commodity prices, ask your broker to quote a declaration or floater basis at the next opportunity.
  5. Check marine per-sending limits and estimated turnover against current CIF values.
  6. Rebuild the BI gross profit projection on current costs and prices.

For underwriters, the same check works in reverse. Stock sums insured that have not moved since April on crude-linked or cotton-linked risks are a signal to ask for a current stock statement before the next claim forces the question.

About the Author

Tarun Kumar Singh

Tarun Kumar Singh

Strategic Risk & Compliance Specialist

  • AIII
  • CRICP
  • CIAFP
  • Board Advisor, Finexure Consulting
  • Developer of the Behavioural Underinsurance Risk Index (BURI)

Tarun Kumar Singh is a seasoned risk management and insurance professional based in Bengaluru. He serves as Board Advisor at Finexure Consulting, where he advises insurance, fintech, and regulated firms on governance, growth, and trust. His work spans insurance broker regulatory frameworks across India, UAE, and ASEAN, IRDAI compliance and Corporate Agency model reform, VC governance in insurtech, and MSME insurance gap analysis. He is the developer of the Behavioural Underinsurance Risk Index (BURI), a framework applying behavioural economics to underinsurance and insurance fraud risk.

Frequently Asked Questions

My stock quantity has not changed since April. Can I still be underinsured?
Yes. The average clause compares the sum insured with the value of stock at risk on the date of loss, not the quantity. If crude-linked inputs or cotton and yarn cost more today, the same tonnage is worth more, and every claim is reduced in proportion to the gap.
Can I increase the stock sum insured in the middle of the policy year?
Yes, by a mid-term endorsement with a pro-rata additional premium. Under Section 64VB of the Insurance Act, 1938, the higher cover attaches only once the insurer receives that premium, so arrange the payment alongside the request rather than waiting for renewal.
Does a declaration policy protect me from price rises automatically?
Only up to the maximum sum insured. Monthly declarations adjust the premium, but any value above the ceiling is uninsured. If the ceiling was set at April prices, raise it, and make sure declared values follow the policy's basis of valuation rather than old book cost.
Is stock lying at a job-worker or dyeing unit covered under my fire policy?
Only if that location is named in the schedule or the policy carries a stock-at-third-party-premises extension. Those extensions have their own sub-limits, usually set at inception, so they need the same repricing as stock at your own premises.
Should I set the new sum insured at today's Brent or cotton price?
Set it for the peak value you expect to hold, but consider a declaration basis if prices are volatile. The G7 has announced reserve releases of up to 100 million barrels, so prices could fall as well as rise, and a declaration policy lets premium follow actual values.

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