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Kalshi’s year-end S and P 500 bracket rises to three cents

The bracket for the S and P 500 finishing between 6,600 and 6,799 on December 31 traded 1,338 contracts in 24 hours on Kalshi with 255,000 contracts in open interest, according to the PredictionMarketPicks snapshot at 1:50 AM EST on November 1.

The Kalshi contract covering an S and P 500 finish between 6,600 and 6,799 on December 31 reached three cents, up one cent over 24 hours, according to PredictionMarketPicks.

Trading activity and outstanding positions

The bracket recorded 1,338 contracts traded during the 24-hour period. Open interest stood at 255,000 contracts, according to the outlet’s snapshot at 1:50 AM EST on November 1.

Those figures describe different aspects of the market: volume measures trading over the stated period, while open interest measures outstanding contracts. The snapshot does not establish when those outstanding positions were opened.

A narrowly defined year-end outcome

The contract concerns a specific closing range on December 31, rather than simply whether the S and P 500 rises or falls. Its one-cent increase therefore reflects a price change for that particular bracket.

The report was published on Nov 1, 2026, at 2:15 AM ET. The supplied material contains no prices for adjacent brackets or current index level, limiting comparisons with other year-end outcomes.

What it means for prediction markets

  • Price movement: The bracket gained one cent to three cents over 24 hours; that move alone does not establish a broader shift across the year-end market.
  • Positioning versus turnover: Open interest of 255,000 contracts and 24-hour volume of 1,338 contracts should not be treated as interchangeable measures of activity.
  • Snapshot limits: The figures capture the market at the stated observation time, not a final assessment of where the index will finish on December 31.
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Sources & attribution

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    PredictionMarketPicks
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Full attribution under the Digital Millennium Copyright Act (DMCA), 17 U.S.C. § 512: this article is an original report by Infiniti Intelligence that summarizes the reporting of the publishers named above, links to their original work, and reproduces no protected expression beyond brief factual reference and in-line attribution (“according to PredictionMarketPicks”). All rights in the underlying reporting remain with the publishers listed; nothing here implies endorsement by or affiliation with them. Rights holders may request correction, update or removal through the contact address published at infiniti.w3ai.io.

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