EURUSD Session Analysis, September 15, 2026: Broken Floor Meets Fed Eve

Yesterday's call: neutral with 39% trap and 38% downside co-leads, partial. The held short trigger fired and EURUSD closed at 1.15498 after a 75.5-pip range. Last 20 scored: 25% hit / 75% partial / 0% miss.

Session Card

• Day type call: Range. Preconditions observed: Monday expanded to 1.65x D1 ATR, no tier-1 release falls inside Tuesday, and the live H4 ATR has compressed to about 22.8 pips before Wednesday's Fed decision.
• Lean: Neutral / Wait; conditional: short on a held H1 close at or below the beyond-range threshold at 1.15177, long on a held H1 close at or above 1.15738. Neither directional branch reaches the 55% threshold.
• Lead scenario + weight: Post-break containment and digestion, 44%, an operative 4-point lead over renewed downside continuation at 40%.
• Key invalidation: A held H1 close at or below the beyond-range threshold at 1.15177 or at or above 1.15738 invalidates the range call.
• No-trade windows: No fresh entries from 06:35-07:15 UTC around French and Spanish inflation releases, 08:55-09:35 UTC around ZEW, or 12:15-12:45 UTC around Empire State manufacturing.
• ATR(14, D1): 0.00457, or 45.7 pips. Live H4 ATR is approximately 0.00228, or 22.8 pips, the mean of the latest 10 completed H4 true ranges.
• What's different today: Monday replaced 1.15576 with 1.15227 as the 20-day floor, but Tuesday has no comparable catalyst before the Fed decision on September 16.

Scenario Map

The decision point is London's response to 1.15227 and the broken 1.15576 floor. The beyond-range five-pip downside threshold sits at 1.15177, about 0.42x D1 ATR below the current price. The upside threshold is 1.15738, about 0.81x above it.

Prob

44%

Post-break containment and digestion

Trigger

Through 10:00 UTC, completed H1 closes hold above 1.15227 and below 1.15576, with no five-pip displacement through either edge

Path & target

Rotate through the 1.15498 prior close, stall across 1.15576-1.15688, then revisit 1.15227; repeated failure below 1.15498 is the earliest sign that containment is tilting bearish

Invalidation

H1 close at or below the beyond-range threshold at 1.15177 or at or above 1.15738

Base rate

priors, range is the default after a large trend day without a same-session tier-1 release, while sub-35-pip H4 volatility marks compression

Prob

40%

Renewed downside continuation

Trigger

A completed H1 candle closes at or below the beyond-range threshold at 1.15177, or a break of 1.15227 holds on a failed retest from beneath

Path & target

Continue to 1.15113, then 1.14999; both targets are beyond the current 20-day range, and a rapid return above 1.15227 is the earliest failure tell

Invalidation

H1 close back at or above 1.15227

Base rate

playbooks/eurusd.md, displacement-filtered H1 breakouts follow through 63.1%, with the rate rising as displacement grows

Prob

16%

Upside repair of the broken floor

Trigger

A completed H1 candle closes at or above 1.15738, or price breaks 1.15688 and holds a retest from above

Path & target

Reclaim 1.15844, then test the 1.15982 prior high; failure to hold 1.15688 after the trigger is the earliest warning

Invalidation

H1 close at or below 1.15576

Base rate

no base rate, this is a session-specific reclaim after a fresh daily floor break

Containment gets the lead because a large trend day is often followed by digestion, today's calendar lacks a tier-1 release, and live H4 volatility is compressed. Downside continuation still carries 40% because the H4 lower-high sequence remains intact, overnight H1 closes are migrating lower, and price has not reclaimed any broken edge. The rebound branch stays at 16% until the market supplies the reclaim evidence that Monday's trap call lacked.

Driver Stack

• Short-rate differential expectations, agree with downside pressure but not a fresh trend call. The Fed decision and press conference are scheduled for 18:00 and 18:30 UTC on September 16, so rate expectations remain the dominant driver. No fresh verified two-year differential snapshot was available tonight.
• Dollar flows in aggregate, partially agree with downside pressure. EURUSD closed Monday at 1.15498 and slipped to 1.15369 before London, preserving the dollar-positive price impulse. There is no fresh direct DXY reading to prove that the overnight move is a new broad-dollar leg.
• Risk tone, disagree with using it as a trigger. No reliable fresh cross-asset signal is strong enough to outrank price acceptance or tomorrow's rate decision.
• Session mechanics, agree with the range-first call. W1 shows the advance from late July correcting after rejection beneath the 20-day high. D1 has turned impulsively lower from the September 9 swing high, and Monday's 75.5-pip range was 1.65x ATR with a close below the former 1.15576 floor. H4 keeps the lower-high sequence, but its latest 10 completed candles have averaged 22.8 pips of true range. The 07:00-09:00 UTC London window must show whether the break can extend without a tier-1 catalyst.

Top-down verdict: EURUSD is correcting a mature weekly advance through a broken daily floor, with bearish H4 structure intact but short-term volatility compressed before the next rates catalyst.

Alignment verdict: partial alignment. Rate risk and the live structure keep downside continuation credible. Post-trend digestion, compressed H4 movement, and the lack of a tier-1 Tuesday release oppose a clean trend call, which supports Range as the day type and keeps the lean conditional.

Session Map

• Asian / pre-London, 21:00-07:00 UTC: Price slipped to 1.15369 and printed an Asian low at 1.15368, effectively at the live anchor. That low is a liquidity target, not defended support. French CPI and HICP arrive at 06:45 UTC, followed by Spanish CPI and HICP at 07:00 UTC; their moderate-importance response can arm any branch but cannot replace H1 confirmation.
• London ignition, 07:00-09:00 UTC: This is the primary decision window. Holding 1.15227 while closes remain below 1.15576 activates containment. A completed H1 close at or below the beyond-range threshold at 1.15177 activates renewed downside, while 1.15738 is the upside repair threshold.
• London follow-through, 09:00-12:00 UTC: Eurozone trade data print at 09:00 UTC and German plus Eurozone ZEW surveys at 09:05 UTC. A rates-sensitive surprise can push price through an edge, but the branch changes only after a displaced H1 close or held retest. Continued overlap through 10:00 UTC strengthens containment.
• New York data window, 12:00-14:00 UTC: Empire State manufacturing prints at 12:30 UTC with moderate importance. A dollar-positive response can activate the downside branch through the beyond-range threshold at 1.15177; a dollar-negative response matters only if EURUSD reclaims 1.15738.
• New York overlap, 14:00-16:00 UTC: This is a reversal-prone window. If London extended lower, a rebound that closes back above 1.15227 invalidates the downside branch rather than offering a late short entry.
• Late New York, 16:00-21:00 UTC: Schnabel speaks and the US 20-year bond auction occurs at 17:00 UTC, both moderate importance. Treat an uncatalysed late break as fragile unless an H1 close remains beyond 1.15227 or 1.15688.
• Dead zone, 22:00-23:00 UTC: No fresh entries. Thin trade cannot validate a break through the mapped edges.
• Forward calendar risk: On September 16, US retail sales and core retail sales arrive at 12:30 UTC, Lagarde speaks at 17:00 UTC, the Fed decision lands at 18:00 UTC, and the press conference begins at 18:30 UTC. Positions carried beyond Tuesday face a new event regime.

No-Trade Conditions

1. Respect today's data windows. Open no new position from 06:35-07:15 UTC, 08:55-09:35 UTC, or 12:15-12:45 UTC. Wait for the release impulse and a completed H1 close or held retest.
2. Treat compression as a stand-aside signal. The lead scenario is only 44% and live H4 ATR is 22.8 pips. Stand aside while H1 candles overlap between 1.15227 and 1.15576 without five-pip displacement.
3. Do not carry a casual position into Wednesday's tier-1 windows. If holding beyond today's close, make no new entry from 12:00-13:00 UTC around US retail sales, 16:30-17:30 UTC around Lagarde, or 17:30-19:00 UTC around the Fed decision and press conference on September 16.
4. Abnormal execution cancels the map. Stand aside if spreads exceed twice their normal liquid-session level, liquidity thins around a release, or two successive post-release H1 candles close on opposite sides of 1.15227.
5. Two-edge failure means whipsaw. If price trades below 1.15227 and above 1.15688 without holding an H1 close beyond either edge, stop initiating positions for the rest of the New York overlap.

What to Watch — Invalidation

1. H1 close at or below the beyond-range threshold at 1.15177: Activate downside continuation toward the beyond-range levels at 1.15113 and 1.14999. A later H1 close back at or above 1.15227 invalidates that branch.
2. H1 close at or above 1.15738: Activate upside repair toward 1.15844 and 1.15982. A later H1 close at or below 1.15576 invalidates the repair.
3. H1 overlap stays between 1.15227 and 1.15576 through 10:00 UTC: Increase the containment branch. A held close at or below the beyond-range threshold at 1.15177 or at or above 1.15738 retires it.
4. The 12:30 UTC Empire State response reverses London's confirmed break: Downgrade the active directional branch and treat the session as whipsaw until price again holds beyond 1.15227 or 1.15688.