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EventAlpha · Daily Intelligence Brief
Thursday, 10 September 2026 · 10 Sept 2026, 04:19 UTC
Polymarket · 7,681 markets · Synced 10 Sept 2026, 05:00 UTC
Produced by EventAlpha's automated editorial system. AI summaries are built from stored Polymarket market data, not unsourced external knowledge. Review the methodology.
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EventAlpha Daily Brief — 2026-09-10 Ben Shelton market surged 31.25pp 1. Will Russia capture all of Vovchansk by...? (13%, -27.5pp) https://www.theeventalpha.com/market/will-russia-capture-all-of-vovchansk-by-december-31-107989 2. 2026 Men’s US Open Winner (Tennis) (51%, +22.1pp) https://www.theeventalpha.com/market/will-alexander-zverev-win-the-2026-men-s-us-open-088475 3. Brazil Presidential Election First Round: 3rd Place (46%, +15.0pp) https://www.theeventalpha.com/market/will-renan-santos-finish-in-third-place-in-the-first-round-of-the-2026-brazilian-365894 Full brief: https://www.theeventalpha.com/daily-brief/2026-09-10 Read-only. Not financial advice.
Continuity
Compared against the brief filed on 2026-09-09.
Markets appearing in today's brief but not in the previous edition.
What moved overnight
Primary discovery only: ≥5pp move, ≥$10K activity, ≥$1K liquidity. Named events and moves first — not category vibes.
2 active outcomes · source-grouped
13%
-27.5pp
December 31
This cleared the participation bar — worth checking before you open Polymarket.
December 31 moved -27.5pp over 24 hours. Sharpest stored-history interval: fell 26.0pp, from 41% to 15%, between 06:00 and 07:00 UTC. Recent activity was materially above current liquidity, supporting a real repricing rather than an isolated thin-market tick.
Ranked #1 of 40 candidates: -27.5pp move, $12K activity.
1 more hydrated outcomes are available from the event analysis.
4 active outcomes · source-grouped
51%
+22.1pp
Alexander Zverev
This cleared the participation bar — worth checking before you open Polymarket.
Alexander Zverev moved +22.1pp over 24 hours. Sharpest stored-history interval: rose 15.4pp, from 29% to 44%, between 07:00 and 08:00 UTC. Other active outcomes in the same source event also moved during comparable stored coverage, making the event-level repricing worth reviewing.
Ranked #2 of 40 candidates: +22.1pp move, $212K activity, multi-outcome confirmation.
10 more hydrated outcomes are available from the event analysis.
32 additional outcomes were omitted by the bounded event limit.
16 active outcomes · source-grouped
46%
+15.0pp
Renan Santos
This cleared the participation bar — worth checking before you open Polymarket.
Renan Santos moved +15.0pp over 24 hours. Sharpest stored-history interval: rose 8.5pp, from 33% to 42%, between 13:00 and 14:00 UTC. Its direction diverged from another moving outcome in the same source event, making the relative repricing worth checking.
Ranked #4 of 40 candidates: +15.0pp move, $14K activity, multi-outcome confirmation.
10 more hydrated outcomes are available from the event analysis.
3 additional outcomes were omitted by the bounded event limit.
4 active outcomes · source-grouped
18%
+9.0pp
October 31
This cleared the participation bar — worth checking before you open Polymarket.
October 31 moved +9.0pp over 24 hours. Sharpest stored-history interval: rose 4.5pp, from 12% to 17%, between 02:00 and 03:00 UTC. Other active outcomes in the same source event also moved during comparable stored coverage, making the event-level repricing worth reviewing.
Ranked #5 of 40 candidates: +9.0pp move, $39K activity, multi-outcome confirmation.
6 more hydrated outcomes are available from the event analysis.
4 active outcomes · source-grouped
25%
+6.3pp
Elena Rybakina
This cleared the participation bar — worth checking before you open Polymarket.
Elena Rybakina moved +6.3pp over 24 hours. Sharpest stored-history interval: rose 7.4pp, from 17% to 25%, between 17:00 and 18:00 UTC. Other active outcomes in the same source event also moved during comparable stored coverage, making the event-level repricing worth reviewing.
Ranked #6 of 40 candidates: +6.3pp move, $62K activity, multi-outcome confirmation.
10 more hydrated outcomes are available from the event analysis.
50 additional outcomes were omitted by the bounded event limit.
Weaker signals
Moves that passed basic credibility gates but not the primary discovery floors. Monitor, do not treat as equal to the overnight shortlist.
4 active outcomes · source-grouped
77%
+56.0pp
Magomed Ankalaev
Interesting move, but the market looks thin. Treat it as a weaker signal.
Magomed Ankalaev moved +56.0pp over 24 hours. Stored-history window: rose 56.0pp from 21% to 77%; no single sharp inflection was detected. Its direction diverged from another moving outcome in the same source event, making the relative repricing worth checking.
Ranked #3 of 40 candidates: +56.0pp move, $2K activity, multi-outcome confirmation.
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Markets carried forward from the previous brief into today's edition.
Included because probability moved +21.6pp with fresh data and high signal quality.
Meaningful move
Included because probability moved +15.0pp with fresh data and high signal quality.
Meaningful move
Included because probability moved +4.5pp with fresh data and high signal quality.
Meaningful move
Resolution watch: market is near-certain or awaiting resolution — not a fresh probability signal.
Resolution watch
Included as high activity, not a mover. probability changed only -0.8pp.
High activity
Included as high activity, not a mover. probability changed only +0.8pp.
High activity
Stable consensus — high liquidity but negligible 24h move (0.0pp).
Stable consensus
Included as high activity, not a mover. probability changed only 0.0pp.
High activity
Markets featured in the previous brief that are not in today's edition.
Resolution watch: market is near-certain or awaiting resolution — not a fresh probability signal.
Resolution watch
Included because probability moved +2.6pp with fresh data and high signal quality.
Meaningful move
Included because probability moved -5.5pp with fresh data and medium signal quality.
Meaningful move
Resolution watch: market is near-certain or awaiting resolution — not a fresh probability signal.
Resolution watch
Included as high activity, not a mover. probability changed only 0.0pp.
High activity
Stable consensus — high liquidity but negligible 24h move (+0.05pp).
Stable consensus
AI summaries are built from stored Polymarket market data, not unsourced external knowledge.
5 active outcomes · source-grouped
71%
+31.5pp
5.0%
Interesting move, but the market looks thin. Treat it as a weaker signal.
5.0% moved +31.5pp over 24 hours. Stored-history window: rose 22.0pp from 49% to 71%; no single sharp inflection was detected. Other active outcomes in the same source event also moved during comparable stored coverage, making the event-level repricing worth reviewing.
Ranked #9 of 40 candidates: +31.5pp move, $4K activity, multi-outcome confirmation.
9 active outcomes · source-grouped
66%
+21.0pp
↑ $6
Interesting move, but the market looks thin. Treat it as a weaker signal.
↑ $6 moved +21.0pp over 24 hours. Sharpest stored-history interval: rose 11.5pp, from 56% to 67%, between 06:00 and 07:00 UTC. Other active outcomes in the same source event also moved during comparable stored coverage, making the event-level repricing worth reviewing.
Ranked #10 of 40 candidates: +21.0pp move, $729 activity, multi-outcome confirmation.
10 active outcomes · source-grouped
35%
+20.5pp
$300M
Interesting move, but the market looks thin. Treat it as a weaker signal.
$300M moved +20.5pp over 24 hours. Sharpest stored-history interval: rose 22.5pp, from 14% to 37%, between 08:00 and 09:00 UTC. Other active outcomes in the same source event also moved during comparable stored coverage, making the event-level repricing worth reviewing.
Ranked #11 of 40 candidates: +20.5pp move, $996 activity, multi-outcome confirmation.
Probably noise
Exact credibility failures are shown so weak participation is not mistaken for signal.
5 active outcomes · source-grouped
1%
+0.3pp
Will the Fed increase interest rates by 50+ bps after the September 2026 meeting?
Shown only to explain why EventAlpha would not put this on the overnight shortlist.
The probability is near an extreme, reducing discovery value.
Failed primary floor: 24h move +0.3pp is below 5pp.
Ranked #39 of 40 candidates: +0.3pp move, $1.1M activity.
19%
—
Strait of Hormuz traffic returns to normal by December 31?
Shown only to explain why EventAlpha would not put this on the overnight shortlist.
Probability or movement data is incomplete.
Failed primary floor: 24h move 0.0pp is below 5pp.
Ranked #40 of 40 candidates: $122K activity.