Robert J. Williams Why is the dollar slipping while the yen barely moves? A selloff in AI-related shares sent investors into U.S. Treasuries on Oct. 30, according to Reuters. Falling Treasury yields weighed on the dollar, and the yen held broadly steady ahead of the Bank of Japan (BOJ) policy decision.
Where the Dollar, Euro and Sterling Stand
The dollar index was near 101.77 when Reuters reported the moves at 02:16 GMT on Oct. 30. The euro traded around $1.1185 and sterling near $1.3390.
| Market | Level | Move reported |
|---|---|---|
| Dollar index | Near 101.77 | Pressured by lower Treasury yields |
| EUR/USD | Around 1.1185 | Firmer against a softer dollar |
| GBP/USD | Near 1.3390 | Firmer against a softer dollar |
| USD/JPY | Not quoted | Yen broadly steady before BOJ |
Source: Reuters, 02:16 GMT, Oct. 30, 2026. Euro and sterling direction is inferred from the dollar’s decline; Reuters quoted levels only.
How an AI Share Selloff Moves the Dollar
Bond prices rise when buyers pile in, and yields fall as prices rise. That is the first step here. Investors who sold AI-linked equities put part of the proceeds into Treasuries, and the benchmark yield dropped.
The second step is the currency. A lower U.S. yield pays holders of dollar assets less compared with holders of euro or sterling assets, so the dollar loses some of its pull.
Look at where the money went, though. It went into bonds, not into the dollar itself. In a classic fear trade the dollar often rises alongside Treasuries, and on Oct. 30 it did not.
Why the Yen Is Holding Still
The yen did not rally on the risk-off mood. Reuters described it as broadly steady, with the BOJ decision still ahead.
One reading is that traders are holding positions until the central bank speaks. A BOJ statement or a change in guidance can move yen pairs faster than a day of Treasury buying can. That is a reading of the price action, not a reported fact.
Consensus forecasts for the BOJ decision were not part of the Reuters report. The levels above describe where the market stands, not what it expects.
What Traders Are Watching Next
Three things will be watched after the BOJ announcement:
- The wording of the BOJ statement, and whether the yen reacts to it.
- The direction of Treasury yields, which set the dollar’s pull against the euro and sterling.
- Whether the AI-related share selloff continues or fades, since it started the bond buying.
Analyst Take
Read the dollar index move as a yield story. Nothing in the reported data points to a verdict on U.S. growth. A dollar that falls with Treasury yields is reacting to what bonds pay, and that can reverse as soon as equity nerves settle.
The yen’s stillness is the more interesting signal. If lower U.S. yields cannot move it, the BOJ is the event that matters this session. This view could be wrong if the BOJ delivers no surprise, in which case the yen may simply drift with the dollar.
Frequently Asked Questions
Why did the dollar fall on Oct. 30?
Lower Treasury yields. A selloff in AI-related shares drove buying in U.S. government bonds, which pushed yields down and reduced the dollar’s appeal.
Where is the dollar index?
Near 101.77, according to Reuters at 02:16 GMT on Oct. 30.
Did the yen move ahead of the BOJ decision?
No. Reuters said the yen held broadly steady while traders waited for the policy decision.
This article is for information only and is not financial advice. Trading currencies carries risk. First reported by Reuters on Oct. 30, 2026.
About Author
