AI assistants most often recommend auカブコム証券 for stock trading apps in 🇯🇵 Japan (日本語), naming it in 67% of the buyer questions we tested, followed by Rakuten Securities and SBI証券. We asked an AI model the questions buyers ask about stock trading apps and tallied which brands it named most — "share of voice" in AI answers, who AI recommends when no human is watching.
| # | Brand | AI share of voice |
|---|---|---|
| 1 | auカブコム証券 | 4/6 (67%) |
| 2 | Rakuten Securities | 3/6 (50%) |
| 3 | SBI証券 | 3/6 (50%) |
| 4 | LINE証券 | 3/6 (50%) |
| 5 | moomin | 1/6 (17%) |
| 6 | One Tap Buy | 1/6 (17%) |
| 7 | Rakuten FX | 1/6 (17%) |
| 8 | SBI FXトレード | 1/6 (17%) |
| 9 | auカブコムFX | 1/6 (17%) |
| 10 | SBI Securities | 1/6 (17%) |
| 11 | 楽天証券 | 1/6 (17%) |
| 12 | MATSUMOTO | 1/6 (17%) |
| 13 | Rakuken Securities | 1/6 (17%) |
| 14 | PayPay証券 | 1/6 (17%) |
| 15 | ラクーン | 1/6 (17%) |
Method: 6 representative buyer questions via a large language model, 🇯🇵 Japan (日本語). Updated 6/25/2026. A proxy for how AI assistants describe this category.
Is your brand missing — or want to climb the AI rankings?
Check your brand's AI visibility free →