Jakarta's share price floor is gone, and 40-plus stocks fell straight through it

The Indonesia Stock Exchange said in August that it would scrap the rule that no listed share may trade below 50 rupiah, about 0.3 US cents. On Monday it happened, and the market answered the same day. Nikkei Asia reports that the composite index, which tracks roughly 900 listed companies, dropped 94.03 points, or 1.51 percent. More than 40 stocks traded at or below the level the old rule had protected. Shares in GoTo Gojek Tokopedia, one of the biggest names on the exchange, slid with them.

A price floor is the lowest price a share is allowed to change hands at. While it was in place, a company the market thought was worth less than 50 rupiah simply stopped trading in any real sense: sellers queued at the floor and no buyer met them. Removing it restores what traders call liquidity, the ability to actually buy or sell without moving the price much. The cost of that is visible now. A share frozen at 50 rupiah can fall to whatever a buyer will actually pay.

This is a change in market plumbing rather than a verdict on the economy. Nikkei reports that trading has become easier since the floor came off, while some large companies now face pressure on their prices. What the first day mainly showed is where the old rule had been hiding weakness: shares that looked alive only because they were not allowed to fall.

Why it matters

If you own a penny stock through an app, look at it this week, because the number on your screen is now a real market price rather than a rule. That also means you can finally sell something that had been stuck for months, at a loss you can see. For everyone else, watch the index over the next few weeks rather than Monday alone: a fall on the first day of a new trading rule is not the same thing as money leaving the country.