USD/JPY AI Live Scan, weekly chart, Monday, 21 September 2026

Every read JAFX AI made on the USD/JPY weekly chart that day, newest first: trend, structure, the levels it marked and what it said to watch.

11:46 UTC

Macro uptrend, momentum stalled · RSI 42 · price 157.029

Broad distribution range under the cycle high, lower highs since July.

The multi-quarter advance off the April 2025 low at 139.89 stalled at the 163.99 cycle high in July, and price has since traded a wide 152.89-163.99 distribution range with a sequence of lower highs. Price at 157.03 sits above a still-rising W1 EMA(50) at 156.20 but below EMA(20) near 158.36, so the macro trend is intact while the medium-term impulse has flattened; RSI at 42 is mid-range and uninformative at this scale. The dovishly-delivered BoJ hike to 1.25% and hawkish Fed dot-plot repricing have kept the carry leg supported, while MoF discomfort around 158-160 has capped each attempt higher — the 158.05 prior high is the immediate area to monitor for rejection or break.

Support: 156.20, 152.89, 150.00

Resistance: 158.05, 160.41, 163.99

What it said to watch

  • Weekly close above the 158.05 prior high, then 160.41 q2 high, would reopen the 163.99 cycle high
  • Weekly close below the 152.89 swing low would break the long base and expose 150.00 psych
  • Loss of the rising w1 ema50 at 156.20 on a closing basis would mark the first macro-trend crack since 2025
  • Unscheduled MoF/BoJ intervention near 158-160 is the main event risk capable of resetting the range in a single bar
  • US flash PMIs on 23 Sep and the 28 Oct Fed hike pricing remain the drivers of the carry leg

All markets that day · Today’s USD/JPY Live Scan in the terminal