Does Monex Securities accept US citizens abroad?

Broker headquartered in Japan. Website: https://info.monex.co.jp

Opens new accounts Securities account (opening by post) official

Monex sends people with US ties (US green card, 183+ days in the US, other foreign tax obligations) to its postal account-opening route instead of online opening. We could not directly verify which foreign-stock products US persons can trade at Monex.

"日本国籍をお持ちでも、米国の永住権を保有されている方、米国の滞在日数が年間183日以上の方、日本以外の国にも納税義務がある方は、「 郵送による口座開設 」の対象となります。"
Applies in: 🇯🇵 Japan
Source: Monex Securities: 口座開設の流れ · Last confirmed 2026-10-19

By country

CountryProductStatusNote & sourceLast confirmed
🇯🇵 JapanSecurities account (opening by post)Opens new accounts

Monex sends people with US ties (US green card, 183+ days in the US, other foreign tax obligations) to its postal account-opening route instead of online opening. We could not directly verify which foreign-stock products US persons can trade at Monex.

2026-10-19