BTST
Understanding the BTST Lifecycle
BTST = Buy Today Sell Tomorrow
BTST is a trading strategy used in the T+1 settlement cycle. You buy shares on Day 1 and sell them on Day 2, even before they are delivered to your demat account.
BTST Lifecycle in T+1 Settlement
| Day | Market Action | Margin & Fund Status | Reason |
|---|---|---|---|
| Day 1 - Monday | Buy the stock | 100% margin is blocked from your account | Under T+1, shares will be credited on Tuesday. But the exchange needs funds on Monday itself. |
| Day 2 - Tuesday | Sell the stock (BTST) | Margin remains blocked. 100% of sale proceeds are frozen for the day | The shares you sold are not yet in your demat. The broker carries risk, so sale proceeds cannot be used. |
| Day 3 - Wednesday | Settlement completed | 100% funds released for trading or bank withdrawal | Shares were credited Tuesday EOD. Both buy and sell trades are now settled. Risk is closed. |
Key Points to Remember
1. Why is BTST Risky?
When you sell on Tuesday, the shares are not yet in your demat. If Monday's buy trade fails due to a short delivery or auction, your Tuesday sell becomes a short sell. This attracts penalties.
2. Why Are Sale Proceeds Frozen?
As per SEBI rules, until shares are credited to your demat, the sale amount is considered "unrealized". You cannot use Tuesday
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