O que sao Futuros Perpetuos?

🟢 Iniciante · 2025-03-28

O que sao Futuros Perpetuos?

Perpetual futures, often called “perps,” are a type of futures contract that never expires. Unlike traditional futures that have a set settlement date, futuros perpetuos let you hold sua posicao indefinitely. Isso faz them o mais popular derivative product in crypto trading.

How Are They Different from Traditional Futures?

Traditional futures contracts have an expiration date. When that date arrives, the contract is settled and you must close sua posicao or roll it over to a new contract. Isso cria inconvenience for traders who want to maintain long-term positions.

Perpetual futures solve this problem by removing the expiration entirely. You can abrir uma posicao today and hold it for minutes, days, or months. There is no settlement date forcing you to act.

No entanto, sem an expiration mechanism, there needs to be another way to keep the perpetual contract price aligned with the actual asset price. This is where the taxa de financiamento comes in.

What is the Funding Rate?

The taxa de financiamento is a periodic payment exchanged between long and short traders. Its purpose is to keep the futuros perpetuos price close to the spot (actual) price of the underlying asset.

How it works:

  • When the perpetual price is above the spot price, the taxa de financiamento is positive. Long traders pay short traders.
  • When the perpetual price is below the spot price, the taxa de financiamento is negative. Short traders pay long traders.

Funding payments typically occur every 8 hours, though some exchanges use different intervals. The rate e geralmente small (e.g., 0.01% per period), but it can spike during extreme condicoes de mercado.

Why it matters for grid bots: Se voce run a long grid bot and the taxa de financiamento is consistently positive, voce esta paying a small fee every 8 hours on your open positions. Over time, this can eat into seu lucros. Monitoring taxa de financiamentos is an important part of grid bot management.

What is Mark Price?

On futuros perpetuos exchanges, voce vai encounter two prices:

  • Last price: O preco of o mais recent trade executed on o exchange.
  • Mark price: A calculated fair price that factors in the spot price and a moving average of the basis (difference between futures and spot price).

Mark price is critically important because it e usado para calculate liquidations, not o ultimo price. Isso previne market manipulation where someone could artificially spike o ultimo price to trigger liquidations.

When a grid bot checks the current market price to decide se to place orders, it typically uses the preco mark for accuracy and safety.

Key Features of Perpetual Futures

  • No expiry: Hold positions as long as voce quer.
  • Leverage: Trade with borrowed capital (e.g., 2x, 5x, 10x).
  • Long and short: Profit from ambos rising and falling markets.
  • Funding rate: Periodic payments that anchor the contract to the spot price.
  • Mark price: Fair price used for liquidation calculations.

Perpetual Futures and Grid Trading

Grid bots are particularly well-suited for futuros perpetuos porque o no-expiry feature means o bot pode run continuously. O bot places limit ordem de compras at lower nivel de grids and take-profit ordem de vendas at higher levels, capturing profits from each price oscillation. There is no concern about contract rollovers or settlement dates disrupting a estrategia.

Resumo

  • Perpetual futures are crypto derivatives with no expiration date, allowing indefinite position holding.
  • The taxa de financiamento is a periodic payment between longs and shorts that keeps the contract price aligned with the spot price.
  • Mark price is the fair price used for liquidation calculations, protecting traders from price manipulation.

Proximo Passo

Agora que voce entende futuros perpetuos, let us explore o mais fundamental position type: What is a Long Position?

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