EN
In markets, asset values change constantly. Whether you are dealing with equities, commodities, or derivatives, knowing the historical purchase price of an asset is often insufficient to understand a company's true financial standing.
To bridge this gap, professionals use Mark-to-Market (MTM). It is an accounting and valuation practice that reflects the current fair market value of an asset or liability based on prevailing market conditions.
This article explains the Mark-to-Market (MTM) concept, its importance, and limitations.
Key Takeaways
- MTM replaces outdated historical costs with current fair market values, giving investors an honest, up-to-date look at the actual worth of their holdings.
- Daily tracking allows investors and traders to immediately spot declining asset values and take prompt action to mitigate potential losses.
- By exposing unrealised gains and losses right away, MTM prevents companies and funds from hiding distressed assets, boosting overall market trust.
- For active traders, MTM enforces daily settlement and margin requirements, preventing losses from snowballing into unmanageable counterparty defaults.
- Investors must recognise that MTM introduces paper gains and losses that can make corporate earnings reports look volatile, even if the core long-term business strategy remains sound.
What is Mark-to-Market?
Mark-to-Market, often shortened to MTM, is an accounting method that values an asset or liability based on its current market price rather than its historical purchase cost. Instead of a static number sitting on the books, the value moves up or down each time it is reassessed, reflecting real-time market conditions.
It is widely used for tradeable financial instruments including shares, bonds, futures contracts, and mutual fund units.
Contrasts with historical cost accounting, where an asset is recorded at its original purchase price and stays there regardless of market movement.
The core purpose is transparency, giving a fair and current picture of what a position is genuinely worth on any given day.
How is Mark-to-Market Calculated?
Unlike fixed formulas that use historical data, MTM relies on current market prices. Depending on whether you are calculating the value of a portfolio or settling daily margins on a futures contract, the approach varies slightly.
1. Portfolio or Asset Valuation
Market Value (MTM) = Total Number of Units * Current Market Price per Unit
You own 100 shares of a company, and the current market price is ₹500 per share.
MTM Value =
100 × ₹500 = ₹50,000
2. Derivatives and Futures (Daily MTM Gain/Loss)
In futures contracts, MTM calculates the daily profit or loss to settle margin accounts at the end of every trading session:
Daily MTM Gain/Loss =
(Current Day Closing Price - Previous Day Closing Price) * Contract Quantity
You hold a futures contract with a contract quantity of 500 units. The previous day's closing price was ₹1,000, while the current day's closing price is ₹1,020.
Daily MTM Gain =
(₹1,020 − ₹1,000) × 500 = ₹10,000
Mark-to-Market (MTM) and historical cost represent two fundamentally different approaches to valuing assets on a company's balance sheet, balancing real-time market accuracy against accounting stability.
| Feature | Mark-to-Market (MTM) | Historical Cost |
| Valuation Basis | Current market price (Fair Value) | Original purchase price |
| Volatility |
High Values fluctuate with changing market conditions |
Low Values remain stable over time regardless of market shifts |
| Relevance | Reflects true current economic worth and liquidation value | Reflects actual past cash outlays and verifiable transactions |
| Common Use Cases | Trading securities, derivatives, and marketable financial assets | Tangible assets, property, plant, equipment (PPE), and long-term investments |
How Mark-to-Market Works?
- Open a position: A trader buys or sells an asset or derivative contract at an agreed price, establishing the initial book value and depositing an initial margin.
- Determine the daily settlement price: At the close of every trading session, the exchange calculates and publishes an official settlement price reflecting the asset's current fair market value.
- Compare to book value: The system compares the new settlement price against the previous day's recorded book value to calculate the daily profit or loss.
- Execute margin adjustments: The calculated gain or loss is settled immediately by crediting or debiting the trader's margin account. If a trading loss drops the account balance below the required maintenance threshold, a margin call is triggered, requiring the trader to deposit extra funds instantly.
- Carry forward the updated value: The newly settled price is locked in as the updated book value for the next trading day, and the daily settlement cycle repeats.
Mark-to-Market in Futures Trading
In futures contracts, mark-to-market is a mandatory daily settlement process enforced by the clearinghouse to eliminate counterparty credit risk. Because futures are leveraged derivatives, neither party pays the full contract value upfront. Instead, the exchange marks every open position to the official daily closing price at the end of every trading session.
Any resulting loss is immediately deducted from the trader's margin account, and any gain is credited. If the daily loss causes the account balance to fall below the required maintenance margin, the broker issues a margin call demanding instant funds. This daily resetting ensures that losses are settled incrementally day by day, preventing debt accumulation and protecting the exchange from default if a trader's position moves aggressively against them.
Importance of Mark-to-Market
- Accurate Financial Reporting: It ensures balance sheets reflect current values rather than outdated purchase prices, giving investors a truer picture of financial health.
- Risk Management for Exchanges:Daily settlement of gains and losses prevents large unrealised losses from building up unnoticed, reducing counterparty default risk.
- Margin Call Transparency: Traders know exactly where they stand each day, since losses are settled immediately rather than accumulating silently.
- Better Decision Making: Fund managers and companies can make more informed decisions when asset values on their books mirror actual market conditions.
- Regulatory Comfort: Regulators rely on Mark-to-Market data to monitor systemic risk across the financial system, particularly in derivatives markets.
Tax Implications of Mark-to-Market
- Speculative Transactions: Intraday equity trades without actual delivery are treated as speculative business income, and Mark-to-Market losses on these are set off only against speculative gains.
- Non-Speculative Derivatives Income: Futures and options trading is generally treated as non-speculative business income under Indian tax law, allowing losses, including Mark-to-Market losses, to be set off against most other business income.
- Carry Forward of Losses: Non-speculative losses can typically be carried forward for up to eight assessment years, provided the return is filed within the due date.
- Valuation of Stock in Trade: Businesses holding securities as stock in trade may value them at cost or market price, whichever is lower, with unrealised Mark-to-Market losses on this basis generally allowed as a deduction, subject to consistent accounting practice.
- Documentation Matters: Since Mark-to-Market entries affect taxable income, maintaining clear daily settlement statements from the broker or exchange is essential for accurate tax filing.
SEBI Compliance and Regulatory Requirements of Mark-to-Market
- Daily Margin Requirement: SEBI mandates that stock exchanges collect Mark-to-Market margin daily from traders holding open futures and options positions, ensuring losses are covered before they accumulate.
- Standardised Settlement Price: Exchanges publish an official daily settlement price used uniformly across all market participants, removing ambiguity in valuation.
- Risk Management Framework: This daily settlement mechanism is part of SEBI's broader risk management framework for derivatives, designed to protect the clearing corporation and the wider market from counterparty default.
- Broker Obligations: Brokers are required to collect Mark-to-Market margin from clients and report shortfalls to the exchange, with penalties applying for non-compliance.
- Investor Disclosure: SEBI requires brokers to provide clients with daily contract notes reflecting Mark-to-Market gains or losses, ensuring transparency at the individual trader level.
Also Read About: What is Margin and How to Calculate it?
Conclusion
Mark-to-Market keeps financial values grounded in present day rather than in the price paid months or years ago. For traders, it means daily accountability through margin settlements. For accountants and investors, it means financial statements that better represent true economic worth. Anyone active in derivatives trading or reading financial statements that involve tradeable securities benefits from understanding exactly how and why these daily revaluations happen.
