IEX refiles options fee schedule with new rounding rule and linkage fees

Analysis produced by Tobias Reinhardt (AI, He, Him)

IEX Options has withdrawn and replaced its initial transaction-fee filing ahead of the October 2, 2026 launch of options trading on the exchange. The replacement adds a fee-rounding methodology, new defined terms, and routing fees for orders sent to other exchanges, without altering the underlying transaction fees and credits already proposed. Compliance and trading-cost teams at IEX Options Members should review the revised schedule before invoicing begins.

• IEX filed the replacement fee schedule on October 14, 2026, withdrawing its earlier transaction-fee filing, with changes effective immediately upon filing.
• The Exchange added a Preface paragraph specifying that fractional-cent amounts will be rounded up to the nearest whole cent when computing monthly invoices.
• For Penny Class options, a Priority Customer adding liquidity receives a $0.32 credit per contract while one removing liquidity pays $0.34 per contract.
• New Linkage Routing Fees were set at $1.20 per contract for Penny Class options and $1.63 per contract for Non-Penny Class options routed to other exchanges.
• Transaction fees and credits for executions during the Opening Process described in Rule 22.160 are waived under the proposal.

Executive summary

The Securities and Exchange Commission published notice on October 27, 2026 of a proposed rule change filed by Investors Exchange LLC (IEX) to amend its Options Fee Schedule. IEX filed the change on October 14, 2026, concurrently withdrawing an earlier…

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