Thailand’s baht rose on speculation intervention by the Group of Seven nations to curb the yen’s rally following the earthquake and nuclear crisis in Japan will stabilize markets, boosting demand for emerging-market assets.

Each one of Asia’s 10 most-active currencies excluding the yen strengthened after the G-7 issued a joint statement on March 18 saying the U.S., the U.K., Canada and the European Central Bank will join Japan in concerted intervention in foreign- exchange markets. The MSCI Asia-Pacific Index of regional shares rose for a second day.

“The G-7 agreement provided some relief that the major economies will work together to avoid financial-market instability, supporting emerging-market currencies, including the baht,” said Kozo Hasegawa, a foreign-exchange trader at Sumitomo Mitsui Banking Corp. in Bangkok. “A recovery in stock markets also made it easier for investors to take risks.”

The baht gained 0.1 percent to 30.29 per dollar as of 8:12 a.m. in Bangkok, according to data compiled by Bloomberg. The currency may trade between 30.20 and 30.45 this week, Hasegawa said.

The one-year interest-rate swap, the fixed cost needed to receive a floating payment, dropped 13.5 basis points, or 0.135 percentage point, to 2.515 percent. The yield on the 3.125 percent bond due December 2015 rose two basis points to 3.31 percent.