Why Do Margin Blocked and Available Funds Differ on FYERS?
It is normal to see a difference between margin blocked and available funds on FYERS. Margin blocked shows what is reserved for your open orders or positions. Available funds reflect what you can still use after credits, debits, premium effects, and real-time risk checks. The gap is driven by factors like option premium credits, unrealised P&L, cash versus collateral, peak margin snapshots, and exchange rules.
Key concepts
- Margin blocked: Amount reserved for open positions or pending orders based on exchange risk models and broker checks.
- Available funds: Usable balance after subtracting blocked margin, adding or subtracting P&L impacts, and applying any other cash-only debits.
- Cash vs collateral: Pledged securities provide collateral margin with haircuts. Collateral may not fully cover cash-only needs like option premium payment, charges, or delivery; cash covers all.
- Peak margin snapshots: Exchanges record intraday usage at random snapshots. High usage at a snapshot can increase effective blocking even if you later reduce exposure.
Common reasons they do not match
- Option premium credits net your new buys: Premium received from short options can offset the requirement for an option buy, so the order window may show zero margin. If the buy needs more than the credit, only the excess shows.
- Unrealised P&L changes intraday: As markets move, available funds rise or fall with unrealised P&L, while margin blocked can remain unchanged for a time.
- Premium blocking on extreme strikes: Very far ITM or OTM overnight short options can have premium held as cash collateral, making it unavailable for reuse until square off or expiry.
- Cash-only needs vs collateral: You might have ample collateral but limited cash, so available funds look tight when paying option premiums, fees, or delivery obligations.
- Peak margin and intraday checks: High intraday leverage during a snapshot can keep additional blocks until the end of day reconciliation.
- Order sequence and baskets: Placing the buy hedge first or using Basket Orders allows for combined margin benefits instantly. If you short first, the system may block a higher standalone margin initially.
Examples
- Zero shown for an option buy: You received ₹20,000 premium from short options. You place a buy that requires ₹18,000. Displayed margin shows ₹0 because the credit covers it.
- Available funds drop while the margin blocked is steady: You have ₹1,00,000; short options block ₹80,000; available funds ₹20,000. Unrealised loss grows by ₹5,000, so available funds drop to ₹15,000 even though the margin blocked still shows ₹80,000.
Keep a cash buffer, place hedges first or use baskets, and track unrealised P&L because premium credits, collateral haircuts, and peak margin checks can reduce available funds even when the margin blocked looks adequate.
What if...
| Scenario | Outcome |
|---|
| Margin shows zero for my option buy | Premium credit exceeds the buy requirement, so the window nets it to zero. |
| My order needs more than premium credit | Only the excess shows and will be debited from available funds. |
| Available funds are falling, but the margin blocked is unchanged | Likely due to growing unrealised losses on open positions. |
| I have high collateral but low available funds | Cash-only debits or haircuts limit reuse. Add cash or reduce positions. |
| I sold far strikes and cannot reuse the premium | Premium may be held as cash collateral until square off or expiry. |
| I used high intraday leverage earlier | Peak margin snapshots can keep extra blocks until the day-end process. |
Last updated: 07 Nov 2025
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