Chapters
Rule 509

Settlement

  1. Definitions

    • Daily Settlement Period: Five minutes prior to Trading Close
    • Final Settlement Period: Five minutes prior to Trading Termination
    • Settlement Period: Daily or Final Settlement Period
    • Implied Spot Price: The spot price implied by the futures curve.
    • Floating Market Price: The first available of the following methods:
      1. The volume-weighted average price (VWAP) of all the trades during the Settlement Period.
      2. The time-weighted average price (TWAP) of the bid-ask spread midpoint during the Settlement Period.
      3. The price implied from the futures or options curve of which the Contract is a constituent:
        • Futures: Futures curve interpolation.
        • Options: Black-Scholes model based on the Settlement Price and 30-day volatility of the underlying Contract.
      4. The Contract's previous day's Settlement Price.
      5. Market data sources deemed acceptable by the Exchange.
  2. Daily Settlement. The Exchange will provide the Clearinghouse with Settlement Prices at least once per day. The Daily Settlement price shall be determined at the end of the Daily Settlement Period.

  3. Final Settlement. The Exchange will provide the Clearinghouse with the Final Settlement Prices at the end of the Final Settlement Period on the expiration day of the Contract.

  4. Sole Discretion. The Exchange has sole discretion to determine an alternative Settlement Price if the stated Settlement procedure produces prices which are not representative of the fair value of the Contract. The Exchange reserves the right to adjust Daily and Final Settlement Prices as it deems necessary based on current market conditions or otherwise.

  5. Tick Alignment. All Settlement Prices are rounded to the nearest tick.

  6. Futures Settlement Prices

    1. Physically-Settled

      • Daily: The Floating Market Price.
      • Final: The Floating Market Price.
    2. Cash-Settled

      • Daily: The Floating Market Price.
      • Final: The underlying index price.
    3. Perpetual.

      • Daily: The median of (1) the Implied Spot Price, (2) the Floating Market Price, and (3) the Implied Spot Price plus the simple moving average.
      • Final: The Implied Spot Price.
  7. Options Settlement Prices

    • Daily: The Floating Market Price.
    • Final: The underlying Settlement Price.

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