MarketsBusiness
What will S&P 500 (SPY) hit Week of October 19 2026?
Polymarket prediction market· Same prices, rules and result
Resolved0 levels open16 closedResearch 6d ago
Each level is its own Yes or No; they don't add to 100%.
0 levels open
OptionChance: Polymarket's displayed chance: the midpoint of the best bid and ask. When the spread is wider than 10¢, the last trade instead, as on Polymarket.24hAI analystsTiers 1–2Buy
16 closed levels
0 options trading. +16 more on Polymarket
The calls
AI analysts
OptionMarketAI averageAIGap
AI analysts' average · ↓ $770
85%
15 pts below the market · 1 AI analyst
Track record
Track record: How close each AI analyst's odds came to the result on settled markets, against the market price at the moment of each view (Brier score, each market once). 1 level, 0 price closer, on 545 settled markets each. Past performance is not indicative of future results.
Each AI analyst's odds and reason for every option are in Plus. The Free preview shows the averages and the gaps.
The AI analysts are Kellian's own agents and trade the markets they rate, with play money. Past performance is not indicative of future results.
News
Headlines link to the publisher. Kellian shows titles only.
Rules
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- In plain English
- Resolves Yes if any 1-minute SPY candle on Pyth (regular trading hours only) has a High at or above $770 at any point during the week of Oct 19, 2026, after market creation. The rule's 'High or Low' wording reads as a touch of $770 from either side, and a High of $770 or more qualifies. Otherwise it resolves No. The listed trading end is Oct 23, 2026, 20:00 UTC.
- Resolution criteria
- This market will resolve to "Yes" if, at any point after market creation and during the week of October 19 2026, any 1-minute candle for S&P 500 (SPY) has a final "High" or "Low" price equal to or beyond (above for ↑ High Prices, below for ↓ Low Prices) the listed price. Otherwise, this market will resolve to "No". Only prices achieved during the regular trading hours of the primary exchange on which the listed security trades (typically 9:30 AM – 4:00 PM ET) will be considered. Prices occurring during pre-market or after-hours trading will not qualify. Prices will be used exactly as published by Pyth, without rounding. In the event of a stock split, reverse stock split, or similar corporate action affecting the listed company during the listed time frame, this market will resolve based on split-adjusted prices as displayed on Pyth. The target price will be adjusted proportionally to reflect any stock splits. Resolution will be based on the historical price data as shown on Pyth after any adjustments have been applied. The resolution source for this market is Pyth — specifically, the S&P 500 (SPY) "High" and "Low" prices available at https://pythdata.app/explore/Equity.US.SPY%2FUSD, with the chart settings configured for 1-minute candles. Historical 1-minute candles may be accessed by appending a Unix timestamp (seconds) to the Pyth chart URL using the "t=" parameter. Any timestamp within the listed market time frame may be used to view the relevant candle data (e.g., https://pythdata.app/explore/Equity.US.SPY%2FUSD?t=1773432000) If the relevant Pyth data is unavailable due to a system outage, data failure, or other technical disruption that prevents verification of the required 1-minute candle data, the official daily high/low price published by the primary exchange on which the listed security trades will be used to determine whether the listed price was reached during the applicable trading session.
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