Every trade you see on a stock exchange screen is really a contract between a buyer and a seller. What separates one kind of trade from another is a simple question: when does delivery of the shares and payment of money actually happen? Based on that timing, dealings on a stock exchange have traditionally been grouped into three categories – spot delivery contracts, ready delivery contracts, and forward delivery contracts. Understanding these three is the easiest way to grasp how trading evolved from a simple cash market into a sophisticated system of speculation, settlement cycles, and eventually modern derivatives.
Table of Contents
- What “dealings” mean in a stock exchange
- Spot delivery contracts
- Ready delivery contracts
- Forward delivery contracts and speculative trading
- How carry over, or badla, worked
- List A or specified securities
- Why forward delivery is not future trading
- From forward trading to today’s settlement system
- Putting the three contracts side by side
What “dealings” mean in a stock exchange
A stock exchange is essentially an organised marketplace where securities are bought and sold through registered members, commonly called brokers, who act on behalf of investors. A “dealing” is just one such transaction in securities. Once a deal is struck, two obligations are created: the seller must hand over the securities, and the buyer must pay the agreed price. The difference between contract types lies entirely in how soon these obligations have to be met. Some contracts demand near-instant settlement, while others allow the deal to be stretched, postponed, or even closed out without anyone ever taking physical delivery of a single share.
This timing is not just a technical detail. It decides whether a trade is a genuine investment, a routine purchase, or pure speculation. It also explains why regulators in India have paid such close attention to these contract types over the decades.
Spot delivery contracts
A spot delivery contract is the most straightforward of the three. Here, both delivery of securities and payment of the price take place either on the same day the deal is made or by the very next day. There is no waiting period and no room for postponement.
This contract type even has a precise legal meaning. Under the Securities Contracts (Regulation) Act, 1956, a spot delivery contract is defined as one that provides for actual delivery of securities and payment of a price either on the same day as the contract or on the next day. With the move to electronic holdings, the definition also covers the transfer of securities by a depository from one beneficial owner’s account to another. In essence, if the shares and the money change hands almost immediately, it qualifies as a spot deal.
Spot delivery contracts hold a special place in law because they are treated as the cleanest, least speculative form of dealing. As the economics reference Arthapedia notes, the spot contract concept is used to mark out regulatory boundaries for what counts as immediate, on-the-spot trading. In practice, however, this type of dealing is now uncommon. Modern exchanges run on standardised settlement cycles rather than ad-hoc same-day handovers, so very few trades are structured as classic spot deals.
Ready delivery contracts
A ready delivery contract is the workhorse of regular trading. Unlike a spot deal, it is not settled the same day. Instead, it is settled within a short, fixed period – traditionally around twelve days – on the following settlement day. The key feature here is that no postponement is allowed. Once the settlement day arrives, the seller must deliver the securities and the buyer must pay. The deal cannot be carried over to a later date.
This made ready delivery the most common form of genuine, delivery-based trading. An investor buying shares to actually own them, and a seller parting with shares they hold, would use this route. The short settlement window gave both sides enough time to arrange the paperwork, transfer of certificates, and movement of funds without dragging the transaction on indefinitely.
The logic of ready delivery survives today in a more refined form. India now follows a rolling settlement system, where each day’s trades are settled after a fixed number of days rather than being bunched into a weekly account period. The market has steadily compressed this window – from T+2, to T+1 in 2023, and now even shorter same-day options on select stocks. The spirit, though, is the same as the old ready delivery contract: a quick, compulsory settlement with no carrying forward.
Forward delivery contracts and speculative trading
The forward delivery contract is where things become genuinely interesting. Like a ready delivery contract, it is due for settlement on the following settlement day. But unlike ready delivery, it carries a powerful extra feature: settlement can be postponed to the next settlement day, and then potentially the one after that. This facility was not open to all shares. It was available only for a select group known as “List A” or “Specified Securities” – the most active, heavily traded, and liquid scrips on the exchange.
The whole point of a forward delivery contract was speculation rather than ownership. A buyer entering such a contract often had no intention of ever taking delivery of the shares. Instead, the plan was to close out, or “cover”, the position later by entering an opposite transaction. The trader simply pocketed the price difference if the bet went right, or absorbed the loss if it went wrong. As an article on forward trading in securities written by a senior Ministry of Finance official explains, forward trading let market players carry large positions without securities and money changing hands at the time the contract was struck – settlement happened only at maturity, or the position was carried further forward.
How carry over, or badla, worked
The mechanism that allowed this postponement was called “Carry Over” or, in its famous Indian name, “Badla.” When a trader wanted to defer settlement, they paid a charge to carry the position into the next settlement period. These charges were known as “badla charges.” In effect, badla worked like a financing arrangement: one party with money funded another party’s leveraged position, with the exchange acting as the intermediary, and an interest-like charge changing hands.
Badla was an indigenous invention of the Bombay Stock Exchange, born out of a chronic shortage of liquidity in the market. According to research hosted by the University of Pennsylvania’s Center for the Advanced Study of India, badla allowed traders to carry forward positions with relatively small margins, which made it enormously popular but also a magnet for excessive speculation. At its peak, carry-forward trades made up a huge share of total exchange volume.
List A or specified securities
Restricting forward dealings to specified securities was a deliberate safeguard. Only shares with deep, broad markets could absorb the heavy volumes and leverage that speculative carry-forward trading generated. Thinly traded shares, if opened up to forward dealing, could be manipulated far too easily. By confining the facility to List A scrips, exchanges tried to keep the most volatile form of trading within the most stable corner of the market.
Why forward delivery is not future trading
This is a point that often confuses learners, so it is worth being precise. A forward delivery contract on a stock exchange is not the same as future trading. Future trading means an outright agreement to buy or sell at a specified future date, and that form of trading in shares was prohibited in India. Forward delivery, by contrast, was a settlement-postponement mechanism within the existing trading system, not a separate future-dated contract. Mixing up the two leads to the wrong conclusion that all forward-style dealing was banned, when in fact the rules drew a careful line between the two.
From forward trading to today’s settlement system
Badla had a turbulent regulatory history. The Securities and Exchange Board of India banned it, brought it back in a regulated form, and then banned it again. The final decision came in 2001, when SEBI announced it would scrap the carry-forward system and introduce rolling settlement along with options on individual stocks from 2 July 2001. The move was driven by repeated market crises and concerns that carry-forward trading encouraged manipulation, opacity, and dangerous levels of leverage.
What replaced it was the modern derivatives market. Index futures, index options, and stock options were rolled out around 2000 and 2001, and single-stock futures followed. These exchange-traded, standardised, and tightly regulated instruments now serve the speculative and hedging needs that badla once met – but with far better transparency and risk management. In a sense, the appetite for leveraged positions never disappeared; it simply migrated into a safer structure.
Putting the three contracts side by side
The cleanest way to remember the distinction is by timing and intent. A spot delivery contract settles immediately, on the same day or the next, and represents the purest cash transaction. A ready delivery contract settles within a short fixed period on the next settlement day, with no postponement allowed, and represents normal delivery-based trading. A forward delivery contract also falls due on the settlement day but can be carried over to a later one through badla, was restricted to specified securities, and was driven mainly by speculation. Together, these three categories show how a market balances the needs of genuine investors against the demands of speculators – and why regulators keep redrawing the lines between them.
What do you think? If badla once provided easy liquidity and let small traders take leveraged positions, was banning it the right call, or did it simply push the same risks into a different form? And as settlement cycles keep shrinking towards same-day trading, are we quietly returning to a version of the old spot delivery contract for an entirely digital age?
References
- https://www.indiacode.nic.in/bitstream/123456789/1644/1/A195642.pdf
- http://www.arthapedia.in/index.php?title=Spot_Contracts_/_Markets
- https://sahooregulatorychambers.in/wp-content/uploads/2024/11/forword-trading-in-Securities-in-India.pdf
- https://casi.sas.upenn.edu/iit/badla-and-curious-popularity-single-stock-futures-india
- https://www.tribuneindia.com/2001/20010515/biz.htm
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