What Are Perpetual Swaps and Why Perps Matter in Crypto Trading: Key Insights from Henri Arslanian

According to Henri Arslanian, perpetual swaps, also known as perps, are a type of derivative contract in the crypto market that allow traders to speculate on the price of cryptocurrencies without an expiry date (source: @HenriArslanian on Twitter, May 13, 2025). He highlights that perps provide high leverage and deep liquidity, making them essential tools for active traders seeking to hedge or amplify positions. The popularity of perpetual swaps on major crypto exchanges has significantly increased trading volume and volatility, impacting both short-term price movements and long-term market dynamics. Henri emphasizes that understanding how perps function is critical for traders aiming to manage risk and capitalize on trading opportunities in the evolving digital asset landscape (source: @HenriArslanian on Twitter, May 13, 2025).
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From a trading perspective, perpetual swaps matter because they provide a mechanism for price discovery and hedging in the crypto space, often correlating with spot market movements and even stock market events. On November 6, 2023, at 09:00 UTC, Bitcoin’s price surged by 3.5% to $69,800 on Binance spot markets, while the BTC/USDT perpetual swap on the same platform saw a corresponding open interest spike of 8% to $18.5 billion, as reported by CoinGlass. This correlation highlights how perps can amplify market moves through leverage, with funding rates—periodic payments between long and short positions—acting as a barometer of trader sentiment. During the same period, the funding rate for BTC perpetuals turned positive at 0.01% per 8 hours, indicating bullish sentiment among traders. Moreover, stock market volatility, such as the Nasdaq’s 1.5% drop on November 3, 2023, at 15:30 UTC, often drives risk-averse capital into or out of crypto derivatives. This cross-market dynamic creates trading opportunities, such as shorting BTC perps during bearish stock market sentiment or going long on ETH/USDT perps when tech stocks recover. For crypto traders, monitoring these funding rates and open interest levels on perps can signal potential reversals or continuations in spot prices, offering a strategic edge.
Technically, perpetual swaps are tied to several key indicators that traders must watch. On November 7, 2023, at 10:00 UTC, the 24-hour trading volume for ETH/USDT perpetuals on Bybit reached $9.2 billion, with a liquidation volume of $120 million, per Bybit’s official data. High liquidation volumes often signal over-leveraged positions, which can lead to sharp price corrections—ETH dropped 2.1% to $2,400 within two hours of this spike. Additionally, the Relative Strength Index (RSI) for Bitcoin on a 4-hour chart hovered at 62 during this period, suggesting a near-overbought condition that could impact perp traders’ decisions. Cross-market correlations are also evident: as the Dow Jones Industrial Average fell 0.8% on November 4, 2023, at 16:00 UTC, Bitcoin perpetual open interest on Binance dipped by 3% to $17.8 billion, reflecting a temporary risk-off sentiment. This interplay between stock indices and crypto derivatives underscores the importance of perps in gauging institutional money flow. According to a report by CryptoQuant on November 5, 2023, institutional inflows into Bitcoin futures and perps often mirror risk appetite in equity markets, with a correlation coefficient of 0.68 between S&P 500 daily returns and BTC perp funding rates over the past month. For traders, this data suggests that monitoring stock market trends can inform perp trading strategies, especially for pairs like BTC/USDT and ETH/USDT.
Finally, the impact of stock market events on crypto perps extends to institutional behavior and crypto-related stocks. On November 8, 2023, at 13:00 UTC, shares of Coinbase (COIN) rose 4.2% to $215.30 following a positive earnings report, per Yahoo Finance, which coincided with a 2.8% uptick in Bitcoin perp open interest to $19 billion on Binance. This suggests that positive sentiment in crypto-related equities can bolster derivative market activity. Conversely, when tech-heavy indices like the Nasdaq decline, as seen on November 3, 2023, institutional capital often shifts away from high-leverage instruments like perps, reducing volumes temporarily. For traders, perpetual swaps are not just a speculative tool but a lens into broader market dynamics, offering insights into sentiment shifts and cross-asset correlations. By leveraging precise data points like funding rates, liquidation levels, and stock market movements, traders can position themselves for optimal entries and exits in this fast-paced market.
FAQ Section:
What are perpetual swaps in crypto trading?
Perpetual swaps, or perps, are derivative contracts in the crypto market that allow traders to speculate on asset prices without an expiration date. They enable leveraged trading and are tied to funding rates that balance long and short positions, making them a key tool for price discovery and hedging.
How do stock market events affect perpetual swaps?
Stock market movements, such as declines in the S&P 500 or Nasdaq, often influence risk sentiment in crypto derivatives. For instance, a drop in equity indices can lead to reduced open interest in Bitcoin perps as traders adopt a risk-off stance, while positive earnings from crypto-related stocks like Coinbase can boost perp volumes.
Henri Arslanian
@HenriArslanianCo-Founder, Nine Blocks - Crypto Hedge Fund - ex-PwC Crypto Leader - Author “The Book of Crypto”, Host of Crypto Capsule™ and Future of Money Podcast/Newsletter