The difference between the two
The primary market means the “first sale”: a company or government creates new shares or bonds and sells them directly to investors. Your money goes to whoever is issuing the security, and they put it into factories, the business or public spending.
The secondary market means “later trading”: shares or bonds that already exist are sold by one investor to another, mainly on a stock exchange. Almost everything traded on DSE or CSE each day is the secondary market. The issuing company or government receives nothing from it.
Say you buy a new motorbike from a showroom. The money goes to the manufacturer: that is the primary market. Two years later you sell it to your friend Tanvir. The money goes into your pocket, and the manufacturer gets nothing: that is the secondary market. The price was settled by haggling between you and Tanvir, not by the showroom’s price list. The example is only to explain the idea.
Why it matters to an investor
- To know who gets your money: buying shares on DSE does not fund the company; you are paying another investor, who may be keen to get out at exactly that moment.
- To see how prices are set: in the primary market by the issuer, an auction or the regulator’s rules; in the secondary market by buyers’ and sellers’ orders. The two prices can be very different.
- To know your options if you need the money early: what has a secondary market can be sold to someone else before maturity; what has none must be cashed in on the issuer’s terms.
- To read the news properly: “stock market turnover is up” means the secondary market is busy; it does not mean companies are raising new capital.
The forms the primary market takes
- IPO: a company sells shares to the public for the first time and lists on the exchange. The best-known primary deal.
- Rights issue: an already listed company sells new shares to its existing shareholders to raise more money. The company is not new, but this is still primary, because the shares are new and the money goes to the company.
- Private placement: new shares or bonds sold to a few selected investors instead of the general public.
- Government bond and bill auctions: Bangladesh Bank sells treasury bills and bonds at auction on the government’s behalf, and the money goes to the government. Treasury bonds issued earlier also trade on the stock exchange later, which is secondary.
- Things with no secondary market: buying sanchayapatra or a bank FDR is also a kind of “first sale”, but there is no market for selling them on to someone else. If you need the money early, you cash them in with the issuer, at a lower profit under its rules.
Why neither works without the other
The secondary market gives companies no money directly, yet the primary market could not work without it. Imagine buying shares in an IPO but never being able to sell them to anyone; very few people would buy. The confidence that you can sell easily later is what persuades people to buy in the first place. And secondary-market prices give a sense of what a new issue should be priced at.
The reverse is true too: when the secondary market is weak, new companies stay away. In Bangladesh, not a single IPO took place in the 2024–25 fiscal year; DSE officials said it was the first IPO-less fiscal year since the 1990s. Yet in that same year, shares worth about Tk 462 crore changed hands on DSE on an average day. In other words, crores of taka traded every day, but no company raised fresh capital from it.
Worked example
- Primary: say Shahana buys a Tk 1 lakh, 10-year treasury bond at a Bangladesh Bank auction, with a 10% annual coupon. The Tk 1 lakh goes to the government.
- Two years later, rates on new bonds have risen. Shahana suddenly needs money. She sells the bond on the stock exchange; an old bond paying 10% is less in demand, so she gets, say, Tk 97,000.
- Secondary: the Tk 97,000 passes from the buyer, Jamal, to Shahana. The government neither gains nor loses any money; from now on the coupons go to Jamal, and he will receive the Tk 1 lakh at maturity.
Result: the primary price was set at auction; the secondary price by demand at the time. Because a secondary market exists, Shahana got her money before maturity, but at the market price, which can be below or above what she paid. The numbers are only an example.
Common mistakes
- Thinking that buying shares on DSE puts money into the company’s business. Secondary-market money goes to the seller.
- Treating the primary price as the “fair price” and assuming it will naturally rise in the secondary market. After listing, the price can fall below the offer price.
- Assuming every investment can be sold to someone else at any time. Sanchayapatra and FDRs have no secondary market.
- Thinking heavy trading means new investment is flowing into the economy. New capital is raised in the primary market.
In the primary market your money goes to the issuer; in the secondary market it goes to the previous owner. The secondary market gives you a way out, but at the market price.