Will the US have fewer than 1000 COVID-19 cases on any day on or before September 1?
Probability
0¢
1h
+0.0pp
24h
+0.0pp
24h Vol
$0.00
Liquidity
$2.6K
Orrery restored this market from Polymarket's closed-market records. Treat the numbers below as last-known market context, then verify the resolution source before citing the outcome.
Canonical status
confidence: mediumSource status (Polymarket)
Derived status (Orrery)
Reason
Upstream marked the market closed/settled with NO price dominant.
Resolution & Risk
LOW risk- End date
- Sep 2, 2021
- UMA status
- n/a
- Resolution source
- Market type
- Binary
- Wide spread (100.0¢) — liquidity risk on entry/exit.
Probability (last 7 days)
+0.0pp 7dWhy did it move?
Structured · 2 factors- 01Active signal
Resolution-risk observation firing
Market has reached expiry. Watch the UMA dispute window.
- 02Spread cost
Wide spread — 100.0¢
Bid-ask spread is wide enough that intraday moves overstate any tradeable advantage. Most of the headline pp move would be eaten by spread on a market order.
What to track next
- Verify the resolution source on this page — exchange feed, official release, news consensus — before treating any move as new information.
Verification actions only — never trade recommendations.
Each factor is grounded in a single named metric you can verify on this page — probability, volume, liquidity, signal, resolution state. No predictions, no prose hallucinations.
Resolution & Risk
LOW risk- End date
- Sep 2, 2021
- UMA status
- n/a
- Resolution source
- Market type
- Binary
- Wide spread (100.0¢) — liquidity risk on entry/exit.
Verification Brief
A guided checklist for what must be proven before this market is treated as reliable context.
The market appears resolved. The useful check is whether the source and final oracle state match the displayed outcome.
Create trust-state alertVerification goal
Map resolution-relevant sources to the exact criteria needed to avoid misreading price as settlement.
What needs proof
Primary source
requiredConfirm the primary official government source and whether it directly answers the market's resolution question.
Current evidence: covid.cdc.gov
Contract wording
requiredExtract the exact condition that makes YES resolve true and note any exclusions, time zone, deadline, or fallback rule.
Orrery verification task Will the US have fewer than 1000 COVID-19 cases on any day on or before September 1? State: Resolved NO — officially resolved Need sources for: 1. Primary source: Confirm the primary official government source and whether it directly answers the market's resolution question. 2. Contract wording: Extract the exact condition that makes YES resolve true and note any exclusions, time zone, deadline, or fallback rule. 3. Liquidity context: Check whether the move is supported by enough liquidity and volume to treat it as meaningful context. Drop only durable links that map to one criterion. Research only. Not trade advice.
Orrery verification brief Will the US have fewer than 1000 COVID-19 cases on any day on or before September 1? State: officially resolved Verify: Primary source + Contract wording Price is not settlement. Research only. Not trade advice.
Market link goes in reply
A controlled loop for durable sources. Every source must answer one criterion from this Verification Brief.
Sources
0
Criteria covered
0
Reviewed
0
Awaiting review
0
Submit a source mapped to a criterion
Recent source checks
Pilot audit summary
Research only · Not trade advice · Every source maps to one criterion
Timeline
critical · price · trade flowCritical
- 18:25SignalLOW
Resolution risk
Market has reached expiry. Watch the UMA dispute window.
Price movement
+0.0pp over the last 24h, now 0¢.
Active signals
Recent Trades
No recent trades visible from the Data API for this market. That usually means liquidity is thin or this market is between event windows.
Related Markets
1Market Description
This is a market on whether there will be fewer than 1,000 daily COVID-19 cases in the U.S. on any date from May 19, 2021 to September 1, 2021. The resolution source for this market will be the CDC’s count for the number of new daily COVID-19 cases, as displayed on their COVID Data Tracker (https://covid.cdc.gov/covid-data-tracker/#trends_dailytrendscases). This market will resolve to “Yes” if the daily count for total new cases falls below 1,000 for any date from May 19, 2021 to September 1, 2021. Specifically, at 8:00 PM ET each day from May 20 to September 2, 2021, the daily case total for all previous days will be checked (e.g. on June 15, case counts for all dates from May 19 to June 14 will be checked). If that count is under 1,000 at the time of any one of those checks, this market will resolve to “Yes”. Otherwise, this market will resolve to “No”. Unusual Cases: - If the CDC website is down at the time of the final check, market resolution will be delayed until the website is restored, or if it is not restored within 48 hours, this market will resolve to 50-50. - If, at the time of a check, data is unavailable for any of the dates being checked, only dates for which there is data will be considered (e.g. if on the June 15 check, there is no data for the date of June 10, only data from May 19 to June 9 and June 11 to June 14 will be considered). If data is not available for any of the dates from May 19, 2021, to September 1, 2021, within 48 hours of the final check (by September 4, 2021, 8:00 PM ET), this market will resolve on data from dates for which data is available. Update: The market title has been updated to "Will the US have fewer than 1000 COVID-19 cases on any day on or before September 1?" to more clearly reflect the rules.
Why this category?
confidence: mediumCategory
Source
Matched term
covidReason
Question text contains "covid" — matched the Science keyword rule.
Categories come from a deterministic engine: manual overrides (highest priority) → sports hard markers → event-tag rules → keyword rules → Gamma category hint → default. The engine is versioned in category-overrides.ts; methodology lives at /methodology.
FAQ — questions readers actually ask
What is the current Polymarket probability for "Will the US have fewer than 1000 COVID-19 cases on any day on or before September 1?"?
As of Fri, 05 Jun 2026 18:25:49 GMT, YES is priced at 0% implied probability on Polymarket. The price changed +0.0pp in the last 24 hours, +0.0pp in the last hour, and +0.0pp in the last 7 days.
When does this market resolve?
This market resolves by Sep 2, 2021 (2021-09-02T00:00:00.000Z). Resolution is determined from https://covid.cdc.gov/covid-data-tracker/#trends_dailytrendscases.
What source determines the outcome?
Resolution is sourced from https://covid.cdc.gov/covid-data-tracker/#trends_dailytrendscases. Polymarket's UMA optimistic oracle is the final settlement layer; if the published source is ambiguous, UMA tokenholders adjudicate. Source-extraction confidence is shown in the Resolution & Risk block above.
How much is being traded on this market?
$0.00 of trading volume in the last 24 hours. Lifetime volume on Polymarket: $110.7K. Open liquidity in the YES/NO orderbooks: $2.6K. Spread between best bid and best ask: 100.0¢.
Is this a trade recommendation?
No. Orrery describes — never predicts. Every signal on this market carries explicit Evidence, Backtest, and Action tiers. The Action is always one of: Watch only, Inspect timeline, Create alert, Verify source, or Ignore — never Buy or Sell. The probability above is the market's collective implied probability, not a forecast Orrery is publishing.
How fresh is this data and where does it come from?
This page revalidates from the public Polymarket APIs every 30 seconds. Probability and 24h-change come from Gamma; the chart series comes from the CLOB orderbook history; trade and holder data come from the Data API. The fetched-at timestamp on each block tells you exactly how old the underlying upstream pull was.
Alerts
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