Self-Regulatory Organizations; Investors Exchange LLC; Notice of Filing and Immediate Effectiveness of Proposed Rule Change Pursuant to IEX Rule 15.110(a) and (c) To Amend the IEX Equities Fee Schedule
Published Date: 10/9/2026
Notice
Summary
IEX is shaking up its fee schedule starting November 1, 2026, by tweaking who gets rebates for adding displayed liquidity and changing rebate amounts. This affects IEX members who trade stocks, giving them new ways to save or earn more on fees. The changes kick in right away after filing, so traders should get ready to adjust their strategies and cash flow.
Analyzed Economic Effects
4 provisions identified: 2 benefits, 2 costs, 0 mixed.
New highest rebate tier for ultra-high adders (Tier 9)
IEX adds a new Displayed Liquidity Adding Rebate Tier 9 that pays $0.0023 per share for Members that add at least 50,000,000 ADV of displayed liquidity (executions at or above $1.00). This new tier becomes operative on November 1, 2026.
Higher volume thresholds for mid-tier rebates
IEX raises the displayed liquidity adding ADV requirements to qualify for several mid-level rebate tiers: Tier 3 now requires at least 5,000,000 ADV (was 3,000,000) and <15,000,000 (was <10,000,000); Tier 4 now requires at least 15,000,000 ADV and <20,000,000 (was 10M–<15M); Tier 5 now requires at least 20,000,000 ADV and <25,000,000 (was 15M–<20M); Tier 6 now requires at least 25,000,000 ADV (was at least 20,000,000). These changes are operative on November 1, 2026.
Tier 7–8 rebate cuts and Tier 7 qualification tightened
IEX reduces the Tier 7 rebate from $0.0022 to $0.0021 per share and sets Tier 7 to apply only for Members that added at least 30,000,000 ADV and less than 40,000,000 ADV (removing the prior alternative path of 25,000,000 displayed ADV plus 50,000,000 non-displayed ADV). IEX reduces the Tier 8 rebate from $0.0023 to $0.0022 per share and sets Tier 8 to apply for Members that added at least 40,000,000 ADV and less than 50,000,000 ADV. These changes are operative on November 1, 2026.
Larger 'Free' tier for low-volume adders
If you are an IEX Member that adds displayed liquidity at prices of $1.00 or more, the threshold to qualify for the 'FREE' fee increases from adding less than 3,000,000 ADV to adding less than 5,000,000 ADV. This change is operative on November 1, 2026.
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