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    Disclaimer: PredictionMarkets.us provides arbitrage information, market data, and educational content for informational purposes only. We do not guarantee the accuracy, completeness, profitability, availability, or timeliness of any opportunities displayed on this page. PredictionMarkets.us is not responsible for: trading losses or financial damages, incorrect or outdated odds/pricing, delays in market updates, platform outages or exchange errors, failed trades or execution issues, account restrictions or limitations imposed by third-party platforms, changes in market conditions, tax or legal consequences resulting from trading activity. Users are solely responsible for conducting their own research and making their own financial decisions. Trading prediction markets involves risk, and past performance or displayed arbitrage opportunities do not guarantee future results. PredictionMarkets.us is not a broker, financial advisor, investment advisor, or gambling operator.

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    HomeLearnWhat Kalshi's Stock Index Futures Filing Means for Traders
    Guide
    4 min

    What Kalshi's Stock Index Futures Filing Means for Traders

    Kalshi filed for equity index and copper perpetual futures with the CFTC on August 18, 2026. Here's what retail traders need to know — before these go live.

    On August 18, 2026, Kalshi submitted two new contract types to the CFTC for review and approval: a perpetual futures contract on the MerQube US Large Cap Index (a proxy for the S&P 500) and a perpetual futures contract on copper. If approved, these would let Kalshi users trade equity index and commodity price exposure on the same platform they use for election and weather markets — without a traditional brokerage account. Here is what you actually need to know.

    What Kalshi Filed — August 18, 2026

    Kalshi submitted two new perpetual futures contracts to the CFTC for review and approval under Commission Regulation 40.3(a). These contracts are not yet approved and are not yet available to trade.

    Contract 1: US500

    MerQube US Large Cap Index Perpetual Future

    Pending CFTC approval

    Contract 2: Copper Perpetual

    Perpetual futures contract tracking copper prices

    Pending CFTC approval

    These are NOT event contracts. They are a different product type — perpetual futures — that tracks an asset price continuously rather than resolving YES or NO on an event outcome.

    Event Contract vs. Perpetual Futures: Key Differences

    AttributeKalshi Event Contract (existing)Perpetual Futures (filed Aug 18)
    How it resolvesYES or NO on a specific eventTracks an underlying asset price
    Expiration dateFixed expiration tied to the eventNo expiration — rolls continuously
    CollateralFully collateralized (no leverage required)Margin-based (leverage involved)
    PayoutBinary: $1 if correct, $0 if notPrice-linked, cash-settled
    ExampleWill candidate X win? (resolves election night)Where will the S&P 500 equivalent be tomorrow?
    Regulatory frameworkEvent contract under CEA § 5c(c)Futures contract under CEA; CFTC exclusive jurisdiction

    The Two Filed Contracts

    Contract 1: US500 — MerQube US Large Cap Index Perpetual Future

    Official product name—
    Underlying index—
    Index composition—
    Index version—
    Contract type—
    Settlement—
    Expiration date—
    Last trading date—
    Source agency—
    Trading schedule—
    Regulatory jurisdiction—
    Contract size—
    Tick size—
    Margin method—
    Position limits—

    Contract 2: Copper Perpetual Future

    Contract type—
    Settlement—
    Expiration dateNone (perpetual)
    Status—
    Contract size—
    Tick size—
    Underlying reference—

    Specific contract specs for the copper perpetual will be available once the CFTC completes its review. Confirm current status at CFTC.gov.

    Source: CFTC filing ptc08182617972.pdf (US500) and ptc08182617967.pdf (Copper) — KalshiEX LLC, August 18, 2026.

    How Perpetual Futures Work (Plain Language)

    No expiration date

    Unlike a dated futures contract that settles on a specific calendar date, a perpetual futures contract has no last trading date. It continues until you close your position or the exchange halts it.

    Funding mechanism keeps the price anchored

    Perpetual contracts use a periodic funding rate — a small payment between long and short holders — that keeps the contract price tethered to the underlying index price. This replaces the convergence-at-delivery you get with a dated future.

    Margin-based, not fully collateralized

    Event contracts on Kalshi are binary and fully collateralized — you can't lose more than you put in. Perpetual futures use margin, meaning you hold a leveraged position in the underlying index. Loss can exceed your margin deposit if the market moves against you.

    Cash-settled — no physical delivery

    Neither US500 nor copper perpetuals require physical delivery of shares or commodities. All gains and losses are settled in cash at your brokerage or exchange account.

    What This Means for Your Account Right Now

    • Your existing event contracts are unaffected

      Event contracts — elections, weather, economic indicators — are a separate product category from perpetual futures. The US500 and copper filings do not change how existing Kalshi event contracts work or settle.

    • No account changes required yet

      Kalshi has not announced any new account type, margin tier, or onboarding requirement for perpetual futures. No action is needed on your part until the CFTC approves the contracts and Kalshi announces a launch.

    • These contracts cannot be traded today

      The CFTC voluntary approval process under Regulation 40.3 requires the Commission's affirmative approval before trading can begin. No launch date has been announced.

    • These are derivatives, not stock purchases

      Holding a US500 perpetual does not give you shares, ownership in underlying companies, or dividend rights. It is a derivative instrument that tracks an index price. Consult a financial professional before comparing it to equities or index ETFs.

    Why CME Group Is Involved

    CME Group operates the largest U.S. derivatives exchange and has run equity index futures — including E-mini contracts on major large-cap benchmarks — for decades. Kalshi filing for a competing perpetual equity index contract is a direct entry into CME's core product line.

    Earlier in 2026, when Kalshi received CFTC approval for its bitcoin perpetual futures contract (the BTCPERP, approved May 29, 2026), CME Group filed a federal lawsuit challenging the CFTC's authority to approve perpetual contracts as futures. That case is ongoing.

    What this means for traders

    If a court grants CME an injunction while the litigation is pending, CFTC approval of these equity index and copper perpetuals could be delayed or challenged. These contracts are not currently available to trade. Check this page or CFTC.gov for updates.

    When Can I Trade These?

    Kalshi has not announced a trading launch date for the US500 or copper perpetual contracts. Trading cannot begin until the CFTC completes its review and issues approval under Regulation 40.3(a).

    How the CFTC voluntary approval process works:

    1. Kalshi submits contract terms to the CFTC for review (completed Aug 18, 2026)
    2. CFTC reviews compliance with Commodity Exchange Act Core Principles
    3. If approved, CFTC issues an Order of Approval (see BTCPERP precedent, May 29 2026)
    4. Kalshi announces a launch date after approval

    Confirm current status at Kalshi's official site or CFTC.gov.

    Regulatory Context: Why This Is Significant

    Kalshi holds a Designated Contract Market (DCM) registration from the CFTC — the same regulatory status as CME Group and ICE. That registration gives Kalshi authority to self-certify new contracts and, in some cases, request Commission approval for novel products.

    Until May 29, 2026, no U.S.-regulated exchange had ever listed a perpetual futures contract. The CFTC's approval of Kalshi's BTCPERP contract on that date established a legal framework for perpetuals as futures contracts under the Commodity Exchange Act. The US500 and copper filings extend that framework to equity index and commodity products — which puts them on a direct collision course with CME Group's core business.

    Kalshi regulatory status

    CFTC Designated Contract Market (DCM)

    BTCPERP approval

    May 29, 2026 — first domestic perpetual contract approved by CFTC

    US500 & Copper status

    Submitted Aug 18, 2026 — pending CFTC review and approval

    Frequently Asked Questions

    Related Guides

    Perpetuals Launch Map

    Full landscape of perpetual futures filings and approvals across all platforms

    Kalshi Platform Guide

    Full review of Kalshi's event contracts, fees, and regulatory status

    Prediction Markets for Finance Users

    How prediction markets compare to options, futures, and structured products for finance-native traders

    CFTC Enforcement History

    Past CFTC actions involving prediction market platforms

    Disclaimer

    This page is educational only and does not constitute financial or investment advice. Perpetual futures contracts involve leverage and carry risk of loss exceeding your initial margin. These contracts are not currently available to trade. Consult a qualified financial professional before making any investment decision. All facts on this page are sourced from public CFTC filings; confirm the latest status at CFTC.gov or Kalshi's official site.