Available Margin:

Available Margin represents the total margin readily available for trading on a given day and time. It's the margin amount you can use for trading. This is the sum total of following components.

1. Clear ledger balance after debiting any unsettled buying value. (Cash)
2. Unsettled selling value. (Uncleared Cash)
3. Value of pledged liquid collateral after haircut. (Liquid Collateral)
4. Value of pledged equity collateral after haircut. (Equity Collateral)
5. Day's cash pay-in. (PayIn)
6. 80% of the value of CNC sales. (Credited to available margin by reducing the Used Margin)

Available Cash:

Available Cash is the Clear ledger balance after debiting any unsettled buying value and it does not include any unsettled selling value. 

Used Margin:

Used Margin consists of:

1. The net funds utilized for executed equity intraday, F&O positional/intraday trading, and delivery orders.
2. The funds blocked for open orders that are yet to be executed.
3. The amount shown as the used margin when selling shares or holding open F&O positions.
4. When positions are squared off, the used margin is credited back to the Available Margin.

For more details, refer to the CubePlus User Guide by Tradejini