Another Cboe Exchange Tacks on More Price Levels for Traders
Published Date: 4/14/2026
Notice
Summary
Cboe BYX Exchange is boosting its data feeds by showing 12 price levels on each side instead of just 5. This upgrade helps traders get a clearer picture of the market, making smarter moves faster. The change is already in effect, so anyone using Cboe One Premium or Summary Depth feeds will see the extra info right away—no extra cost mentioned!
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Analyzed Economic Effects
5 provisions identified: 3 benefits, 1 costs, 1 mixed.
BYX feed shows 12 price levels
If you use the BYX Summary Depth data feed, it will provide aggregated two-sided quotes and the number of shares for up to twelve (12) price levels per side instead of five (5). This change was filed April 2, 2026 and is effective immediately.
Cboe One Premium can total 48 levels
If you use the Cboe One Premium feed, it will support up to twelve (12) price levels per Cboe equities exchange, increasing the potential total from up to twenty (20) levels to up to forty-eight (48) levels across the exchanges. The filing was made April 2, 2026 and the twelve-level offering is available in addition to the existing five-level feed for a limited time.
Five-level Cboe One feed to be sunset
The Exchange will stop offering the Cboe One Premium feed with five (5) price levels by December 31, 2026 and will announce the exact decommission date at least sixty (60) days before it is removed. After the five-level feed is sunset, subscribers can still extract the top five levels from the twelve-level feed if they only need the top five.
Subscribers must update systems to ingest more levels
Market participants who use Cboe One Premium may need to update their systems to ingest up to forty-eight (48) separate price levels and to integrate shares at price levels that are the same across multiple exchanges. The Exchange says the sunset timeline is intended to allow participants time to ready their systems.
No fee increase for added depth
The Exchange states it does not intend to increase fees for the BYX Summary Depth Data Feed or the Cboe One Premium Data Feed as a result of adding the additional price levels. The Exchange therefore does not plan to submit a fee filing tied to this change.
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