Demo data

US dollars per euro · EUR/USD

Forecast outcome — 31 Aug 2026

Settled

Forecast issued on 31 Jul 2026, 06:12 UTC

31 days before the target. This is the scored version, chosen by the documented evaluation rule. The original estimates below are unchanged.

Result

Original reference
1.1480
Observed ECB fixing, Thursday, 30 Jul 2026
Target observation
1.1610
ECB fixing, Monday, 31 Aug 2026 · ECB daily reference rate
Realized return
+1.13%
Price at the target versus the reference
Outcome at ±1%
Up 1% or more
1.1595 or higher
Outcome at ±5%
Between −5% and +5%
1.0906 to 1.2054
Outcome at ±10%
Between −10% and +10%
1.0332 to 1.2628
Outcome at ±50%
Between −50% and +50%
0.5740 to 1.7220
Movement threshold

One outcome is scored at each threshold. The page keeps all four.

Original forecast · AI average — uncalibrated

As published on 31 Jul 2026. Nothing here has been rewritten after the outcome.

Down 1% or more

30%

1.1365 or lower

Did not happen

Between −1% and +1%

27%

1.1365 to 1.1595

Did not happen

Up 1% or more

43%

1.1595 or higher

Happened

The forecast put 43% on the outcome that happened.

Down 5% or more

4%

1.0906 or lower

Did not happen

Between −5% and +5%

89%

1.0906 to 1.2054

Happened

Up 5% or more

7%

1.2054 or higher

Did not happen

The forecast put 89% on the outcome that happened.

Down 10% or more

0.2%

1.0332 or lower

Did not happen

Between −10% and +10%

99.3%

1.0332 to 1.2628

Happened

Up 10% or more

0.5%

1.2628 or higher

Did not happen

The forecast put 99.3% on the outcome that happened.

Down 50% or more

<0.1%

0.5740 or lower

Did not happen

Between −50% and +50%

>99.9%

0.5740 to 1.7220

Happened

Up 50% or more

<0.1%

1.7220 or higher

Did not happen

The forecast put >99.9% on the outcome that happened.

Outcome at every threshold

The realized return of +1.13% falls into a different category depending on the threshold.

Realized outcome and score for each threshold
Threshold Outcome Original Down / Within / Up On outcome Brier (0–2)
±1% Up 1% or more 1.1595 or higher 30% / 27% / 43% 43% 0.494
±5% Between −5% and +5% 1.0906 to 1.2054 4% / 89% / 7% 89% 0.019
±10% Between −10% and +10% 1.0332 to 1.2628 0.2% / 99.3% / 0.5% 99.3% 0.000
±50% Between −50% and +50% 0.5740 to 1.7220 <0.1% / >99.9% / <0.1% >99.9% 0.000

Values shown as <0.1% or >99.9% are rounded for display; the underlying values sum to 100%.

Scores by source

At ±1%, same scored version and the same outcome. Differences on a single result are not evidence that one source is better.

Brier score by source at ±1%
Source Original Down / Within / Up Brier (0–2)
AI average 30% / 27% / 43% 0.494
OpenAI 29% / 26% / 45% 0.450
Claude 32% / 28% / 40% 0.541
Statistical reference Synthetic fixture 33% / 33% / 34% 0.660
Prediction markets No matching market Not scored

At ±5%, same scored version and the same outcome. Differences on a single result are not evidence that one source is better.

Brier score by source at ±5%
Source Original Down / Within / Up Brier (0–2)
AI average 4% / 89% / 7% 0.019
OpenAI 4% / 87% / 9% 0.025
Claude 4% / 90% / 6% 0.014
Statistical reference Synthetic fixture 1% / 97% / 2% 0.002
Prediction markets No matching market Not scored

At ±10%, same scored version and the same outcome. Differences on a single result are not evidence that one source is better.

Brier score by source at ±10%
Source Original Down / Within / Up Brier (0–2)
AI average 0.2% / 99.3% / 0.5% 0.000
OpenAI 0.2% / 99.1% / 0.7% 0.000
Claude 0.2% / 99.5% / 0.3% 0.000
Statistical reference Synthetic fixture <0.1% / >99.9% / <0.1% 0.000
Prediction markets No matching market Not scored

At ±50%, same scored version and the same outcome. Differences on a single result are not evidence that one source is better.

Brier score by source at ±50%
Source Original Down / Within / Up Brier (0–2)
AI average <0.1% / >99.9% / <0.1% 0.000
OpenAI <0.1% / 100.0% / 0.0% 0.000
Claude <0.1% / 100.0% / 0.0% 0.000
Statistical reference Synthetic fixture <0.1% / 100.0% / 0.0% 0.000
Prediction markets No matching market Not scored

Which version is scored

One version was published for this date. The evaluation rule picks the scored version per target in advance, so the score never depends on which version happened to look best. Evaluation rules

Published versions for this target date
Issued Lead time Reference ±1% Down / Within / Up Evaluation
31 Jul 2026, 06:12 UTC 31 days 1.1480 30 Jul fixing 30% / 27% / 43% Scored version

Each stored version keeps its own reference price and timestamps.

Later EUR/USD forecasts

This page stays at this address. Later dates have their own pages; you are not redirected.

30 Nov 2026 forecast 31 Dec 2026 forecast 31 Jan 2027 forecast

Before settlement

Between the target time and the arrival of the settlement price, this page shows a pending state instead of a result.