SEC Rule 610: The Hidden Engine of US Equity Exchange Rebates
Adopted under Regulation NMS in 2005, SEC Rule 610 fundamentally reshaped how equities trade on national exchanges by establishing the legal and financial foundation for the modern maker-taker pricing model.
1. The 30-Cent Access Fee Cap
At its core, Rule 610(c) limits the fees that any national securities exchange can charge to access its displayed best bid or best offer. Specifically, exchanges are prohibited from charging more than $0.0030 per share (30 cents per 100 shares) for protected quotations in securities priced $1.00 or higher.
To attract institutional order flow and deepen their displayed liquidity books, exchanges like Nasdaq and Cboe compete by returning the lion's share of this access fee back to liquidity providers as a maker rebate—frequently paying up to $0.00305 per share to traders who post resting limit orders.
2. Maker-Taker vs. Payment for Order Flow (PFOF)
There is a sharp institutional distinction between exchange maker rebates and retail PFOF:
- Maker-Taker Rebates: Paid directly by registered public exchanges on transparent order books to incentivize visible price discovery. Available to anyone routing via DMA.
- Payment for Order Flow (PFOF): Paid privately by wholesale market-making firms to retail brokerages to intercept uninformed retail flow before it ever reaches an exchange.
Capture Full Rule 610 Maker Rebates
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Marcus specializes in electronic exchange messaging architectures and demystifies institutional execution fee models for independent desks.