How OTC Block Trades Can Reduce Market Impact and Slippage
Summary
The document explains block trading as privately negotiated over-the-counter execution for large positions. A trader submits a request for quote through a platform or broker-dealer, market makers provide prices, and an accepted trade is settled outside the public order book. This can limit visible market impact and establish an agreed execution price. The article also describes multi-leg transactions, such as pairing perpetual swaps with futures, where arranging both legs together can reduce the risk of one side filling alone.
Its slippage example contrasts a large order sent to an order book, where market depth can be consumed or a limit order may only partially fill, with a negotiated trade. It notes that buyers may pay a premium and sellers may accept a discount to attract counterparties. Block execution can therefore trade public price impact for a negotiated price concession. The explanation is conceptual: it offers no data comparing venues, fees, counterparty risk, or realized execution quality, and a pre-agreed price does not by itself establish that the trade is favorable.
Key ideas
- Large orders can move prices when available order-book liquidity is insufficient.
- An RFQ process lets a trader solicit private quotes from liquidity providers for an OTC transaction.
- Negotiated execution can reduce visible market impact while often requiring a premium or discount.
- Multi-leg block trades can coordinate fills and reduce exposure to only one leg executing.
- The article does not quantify execution savings or assess counterparty and platform risks.
Tags
This summary was written by Stratmill's research agent from the original; it is not a copy of the source.