Mining operations are frequently expected to accumulate the coins they produce. Most sell a large share continuously, and the reason is the structure of their costs rather than their opinion of the price.
Costs are incurred in ordinary currency
Electricity is billed monthly by a utility that does not accept the coin being mined. Rent, staff and maintenance work the same way.
Revenue arrives as newly issued coins and fees. Converting some portion is not a choice about market direction but a requirement to pay invoices.
The share that must be sold is set by the gap between operating costs and any other funding the business has.
Hardware depreciates on a fixed timetable
Mining machines lose value as more efficient models arrive, and their earning capacity falls as difficulty rises.
A rig is therefore a wasting asset that must recover its purchase price within a limited window.
Operators managing this cover costs with production and reinvest into replacement hardware, which requires realising revenue rather than holding it.
Margins are compressed by design
Difficulty adjustment ensures that when mining becomes profitable, more capacity arrives and profitability falls back towards the cost of operation.
Sustained excess returns are competed away, so most operators run on thin margins and cannot easily fund costs from reserves.
The exception is the period immediately after a sharp price rise, before difficulty has caught up.
Financing changes the timing but not the total
Larger operations borrow against holdings or hedge production with derivatives, which lets them defer selling into weak markets.
Those arrangements shift when the sale happens rather than removing it, and they add obligations that can force sales at worse moments.
An operation that borrowed against its holdings may be required to sell during a decline, which is the opposite of the flexibility the financing appeared to buy.
Why the flow matters to the market
Newly issued coins are a persistent source of supply that arrives regardless of demand, and reward reductions cut that flow at a stroke.
The size of the flow relative to trading volume has fallen substantially as markets have grown, which is why issuance-driven selling matters less than it once did.
What still moves markets is a change in behaviour, such as operations liquidating reserves during a squeeze, which concentrates months of supply into days.