Zerodha
Cash component
Collateral
Cash component vs collateral component
For F&O margin on Zerodha, the SEBI framework requires that the user maintain a specific split between cash component and collateral component. The 50:50 rule mandates at least 50% in cash; the rest can be from pledged collateral.
What counts as each
Cash component (at least 50%)
- Free cash in trading account.
- Liquid fund collateral (LIQUIDBEES, similar; haircut-adjusted).
- Option premium credit on short positions.
- T-bill / specific liquid debt collateral.
Collateral component (up to 50%)
- Pledged equity (haircut-adjusted).
- Pledged ETF (non-liquid; haircut-adjusted).
- Pledged corporate bonds.
The total = cash + collateral.
SEBI 50:50 rule
Per SEBI’s framework:
- F&O margin requirement = SPAN + Exposure.
- Of that, at least 50% must be in cash component.
- Remainder up to 50% from non-cash collateral.
For Rs 4 lakh F&O margin: at least Rs 2 lakh in cash.
What happens on shortfall
If cash component < 50% of margin used:
- Cash shortfall interest charged daily on the gap.
- Per Cash collateral shortfall interest .
The penalty applies even if total collateral (cash + non-cash) is sufficient; the rule is specifically about the cash sub-component.
Managing the split
For active F&O traders:
- Hold sufficient cash to meet the 50% minimum.
- Use LIQUIDBEES as cash-equivalent (earns money-market return).
- Pledge equity for the non-cash portion only.
- Monitor the split on Kite funds and Console.
A typical optimised structure:
- Rs 5 lakh of LIQUIDBEES pledged (Rs ~4.5 lakh collateral, counts as cash).
- Rs 10 lakh of equity pledged (Rs 8-9 lakh collateral, counts as non-cash).
- Free cash: Rs 50K-1 lakh buffer.
- Total usable margin: ~Rs 12.5-13.5 lakh.
- Of which ~Rs 5 lakh is cash-equivalent.
Premium credit and the 50:50
Premium received on short options counts as cash. For an active option seller:
- Rs 50K premium received across positions.
- Adds Rs 50K to cash component.
- Helps meet the 50:50 threshold.
See also
- 50:50 cash collateral rule explained
- Margin available / used / cash on Kite funds
- Free cash meaning on Zerodha
- Collateral (equity) on Kite
- Collateral (liquid funds) on Kite
- LIQUIDBEES ETF
- How to buy LiquidBeES on Zerodha
- Margin pledge (Zerodha)
- Margin haircut
- Option premium credit on Kite funds
- Use option premium received as margin
- Cash collateral shortfall interest
- SPAN margin on Zerodha
- Exposure margin on Zerodha
- Margins and leverage at Zerodha
- Margin required on order window
- Zerodha margin calculator
- Margin on exit calculation
- Hedged positions margin benefit on Zerodha
- Naked option selling margin on Zerodha
- Covered call margin benefit
- How to verify collateral details
- Margin call timeline at Zerodha
- Margin shortfall and auto-square-off
- Pay-in funds explained
- SEBI peak margin rules explained
- Upfront margin requirements post-2020
- SEBI margin pledge rules September 2020
- Direct payout to demat SEBI rule
- P symbol on holdings page
- Kite Positions tab explained
- Kite Holdings tab explained
- Zerodha
- Kite (Zerodha)
External references
References
- SEBI, 50:50 cash collateral framework, circulars 2020 and updates.
- NSE Clearing, Cash component computation, nseclearing.com.
- Zerodha, Margin policies and cash component, zerodha.com.