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What Is a Spread in OTC Crypto Trading
A spread is the gap between an OTC desk's buy and sell price — and it's how they make money on your trade instead of charging a fee. Here's how it works.
You just agreed on a price with an OTC desk for 50 BTC. No commission line, no visible fee anywhere on the invoice. And yet the desk is making money on your trade — you just can't see where.
That's the spread. It's hiding in plain sight, baked into the price itself, and if you don't know how to spot it you're probably overpaying.
What is a spread in OTC crypto trading?
A spread in OTC crypto trading is the difference between the price a desk will buy an asset from you (the bid) and the price it will sell that same asset to you (the ask). On a large BTC or ETH block trade, that gap typically runs anywhere from 0.1% to 1%, depending on the asset, the size of the trade, and how volatile the market is at that moment. That gap is the desk's profit — instead of charging you a visible commission, they build their margin directly into the quoted price.
So if the "true" market price of BTC is $60,000, an OTC desk might quote you $60,150 to buy and $59,850 to sell. That $300 gap is the spread. You never see a fee line item because the fee is the price.
Why do OTC desks use spreads instead of flat fees?
Because OTC trades aren't happening on a public order book. When you trade on an exchange, you can see the bid-ask spread in real time and everyone's competing on the same visible ladder. OTC is private, negotiated, and off-exchange — which means the desk has room to price in risk without you seeing exactly how much.
Spreads also compensate the desk for three things:
Market risk — the desk often takes the other side of your trade before it can offload the position, so it's exposed to price moves in between.
Liquidity risk — sourcing a large block (say, $2M+ in one trade) without moving the market takes work, and thin liquidity widens the spread.
Volatility risk — during high-volatility windows, spreads widen because the desk needs a bigger cushion in case the price swings before they can hedge.
How wide should a normal spread be?
For major assets like BTC and ETH in size, expect a spread somewhere between 0.1% and 0.5% under normal market conditions. Smaller-cap tokens or thin-liquidity pairs can run 1% to 3% or more. Anything wider than that on a mainstream asset in calm markets is a signal the desk is pricing in extra margin — or extra risk they're not telling you about.
A few things that reliably widen spreads:
Trading during high volatility (macro news, liquidation cascades, major unlocks)
Requesting a very large block size relative to available liquidity
Trading a low-cap or illiquid token instead of BTC/ETH/stablecoins
Working with a desk that lacks deep counterparty relationships
Trading outside normal market hours when fewer market makers are active
How do you compare spreads across OTC desks?
Request quotes from two or three desks for the exact same trade size, at the exact same time, and compare the all-in price — not just the stated "fee." The desk with the tighter spread between its buy and sell quote is giving you the better deal, even if it advertises "zero commission." Zero commission plus a wide spread is still a real cost, it's just not labeled as one.
If you're coordinating multiple counterparties, brokers, or KOL relationships around OTC deals, keeping quotes and conversations organized matters just as much as the math. Crypto and Web3 teams often run these negotiations across dozens of scattered Telegram chats — much like signal groups and copy trading networks do — which makes it easy to lose track of who quoted what. This is exactly the kind of coordination problem CRMChat's Web3 CRM is built to solve: it keeps every desk conversation, quote, and deal stage tracked in one pipeline instead of buried in DMs.
Does the spread tell you anything about desk reliability?
Yes, but it's not the whole story. A suspiciously tight spread on a large trade can be a red flag — it might mean the desk is quoting aggressively to win your business and plans to make it up elsewhere, or it doesn't fully understand the risk it's taking on. A wildly wide spread, on the other hand, often signals genuine liquidity constraints. The safest approach:
Get quotes from at least two established desks before executing size
Ask directly whether the quote includes any additional fee beyond the spread
Check settlement speed and counterparty reputation, not just price
Confirm the quote is firm for a defined time window before it expires
Re-quote if volatility spikes between agreement and settlement
CRMChat also maintains a Web3 B2B decision-makers database, which is useful when you're trying to reach the actual founders or desk operators behind an OTC counterparty rather than a generic support inbox — helpful due diligence before you move size through someone you haven't worked with.
Spread vs. slippage: what's the difference?
The spread is the gap built into the quote before you trade. Slippage is the difference between the price you were quoted and the price you actually get filled at, usually because the market moved during execution. On OTC desks, spreads absorb most of that risk upfront — that's the whole point of negotiating a fixed price — so slippage is less of a factor than it is on exchange order books. But if a desk quotes you a price and then re-quotes worse right before settlement, that's effectively slippage sneaking back in through the back door.
Bottom line
A spread isn't a hidden trick — it's just how OTC desks price risk and liquidity into a private trade instead of charging a visible fee. Understanding roughly what a fair spread looks like for your asset and trade size is the single best way to know whether you're getting a good deal. When in doubt, get a second quote.
