Cboe Flexes ETF Options Rules for Easier Trading
Published Date: 4/22/2026
Notice
Summary
Cboe Exchange wants to update its rules for FLEX options on ETFs, making it easier for new ETFs to qualify for cash settlement based on recent trading activity. They’ll also set clear rules for what happens if an ETF stops meeting requirements during reviews and remove the current 50-ETF limit for cash-settled FLEX options. These changes could open up more trading opportunities soon, with no immediate cost impact for traders.
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Analyzed Economic Effects
3 provisions identified: 3 benefits, 0 costs, 0 mixed.
One‑Month Lookback Lets New ETFs Qualify
If an ETF newly becomes FLEX-eligible, the Exchange may now make it eligible for cash-settled FLEX options based on trading statistics from the previous one-month period. The ETF still must meet the existing thresholds of $500,000,000 average daily notional value and at least 4,680,000 shares average daily volume to qualify.
Tiered Wind‑Down Protects Existing Positions
If an ETF fails to meet the eligibility tests at a bi-annual review, treatment now depends on recent open interest: if there was no open interest in the prior six months, new positions must be physically settled and existing cash-settled positions can only be closed. If there was open interest in the prior six months, the Exchange will allow new cash-settled positions for one year from the review date, unless the ETF requalifies at a bi-annual review earlier.
Removal of 50‑ETF Cap Expands Availability
The Exchange proposes to remove the rule that limited cash settlement as a contract term to at most 50 ETFs, allowing any ETF that meets the eligibility criteria to be eligible for cash-settled FLEX options. The filing notes that as of February 1, 2026, 60 ETFs already met the criteria.
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