深夜两点,你的套利脚本突然报错:ConnectionError: Unable to fetch funding rate data after 3 retries。你盯着屏幕,看着永续合约价格和现货指数之间的基差不断扩大,却因为数据获取失败眼睁睁错过利润。这是每一个量化套利开发者都曾经历过的噩梦。
本文将从这个真实报错场景出发,详细讲解永续合约与指数价格收敛的套利原理,并提供可运行的 Python 代码。我会使用 HolySheep API 获取逐笔成交和 Order Book 数据,实现一个完整的期现套利监控和信号生成系统。
一、永续合约与指数价格收敛原理
永续合约(Perpetual Swap)是加密货币交易所提供的一种没有到期日的衍生品。与传统期货不同,永续合约的价格理论上应该与现货指数价格保持锚定,但由于资金费率(Funding Rate)的存在,两者之间会产生基差(Basis)。
1.1 资金费率机制
永续合约每8小时结算一次资金费率。当资金费率为正时,多头持仓者需要向空头持仓者支付费用;为负时则相反。这个机制的作用是让永续合约价格围绕现货指数价格波动。
- 资金费率 > 0:多头给空头钱,永续价格倾向于下跌
- 资金费率 < 0:空头给多头钱,永续价格倾向于上涨
1.2 期现套利核心逻辑
期现套利的核心是捕捉永续合约价格与现货指数之间的偏离。当基差扩大超过持有成本时,可以:
- 正向套利:买入现货 + 卖出永续合约(基差收敛时平仓获利)
- 反向套利:卖出现货 + 买入永续合约(适用于机构借币)
# 基差计算公式
basis = perpetual_price - index_price
basis_ratio = basis / index_price
年化收益率估算(假设资金费率年化为 funding_rate_annualized)
扣除了资金费率成本后的理论收益
net_annual_yield = funding_rate_annualized - 2 * transaction_cost_rate
1.3 收敛机制的三种情况
永续合约价格最终会向现货指数收敛,主要通过三种机制:
- 资金费率调节:基差越大,资金费率越倾向于反向调节
- 套利者行为:基差扩大时,专业套利者会入场平抑偏离
- 合约到期/清算:临近交割或发生强平时,价格快速收敛
二、环境准备与 API 接入
2.1 安装依赖
pip install requests websockets asyncio aiohttp pandas numpy
2.2 使用 HolySheep API 获取加密货币数据
HolySheep 提供 Tardis.dev 加密货币高频历史数据中转服务,支持 Binance/Bybit/OKX/Deribit 等主流交易所的逐笔成交、Order Book、强平和资金费率数据。针对期现套利场景,我们重点需要:
- 永续合约的订单簿深度和最新成交价
- 现货指数的实时价格
- 资金费率历史数据
import requests
import json
import time
HolySheep API 配置
BASE_URL = "https://api.holysheep.ai/v1"
API_KEY = "YOUR_HOLYSHEEP_API_KEY"
headers = {
"Authorization": f"Bearer {API_KEY}",
"Content-Type": "application/json"
}
def get_perpetual_orderbook(exchange: str, symbol: str, depth: int = 20):
"""
获取永续合约订单簿数据
exchange: binance, bybit, okx
symbol: 例如 BTC-PERP, ETH-PERP
"""
endpoint = f"{BASE_URL}/crypto/orderbook"
params = {
"exchange": exchange,
"symbol": symbol,
"depth": depth
}
try:
response = requests.get(endpoint, headers=headers, params=params, timeout=5)
response.raise_for_status()
data = response.json()
return data
except requests.exceptions.Timeout:
print(f"❌ 超时错误: 连接 {exchange} {symbol} 订单簿数据超时")
return None
except requests.exceptions.RequestException as e:
print(f"❌ 请求错误: {e}")
return None
def get_funding_rate(exchange: str, symbol: str):
"""
获取当前资金费率
"""
endpoint = f"{BASE_URL}/crypto/funding-rate"
params = {
"exchange": exchange,
"symbol": symbol
}
try:
response = requests.get(endpoint, headers=headers, params=params, timeout=5)
response.raise_for_status()
return response.json()
except requests.exceptions.HTTPError as e:
if e.response.status_code == 401:
print("❌ 401 Unauthorized: API Key 无效或已过期")
print("请检查: 1) API Key 是否正确 2) 是否在 HolySheep 官网续费")
return None
except Exception as e:
print(f"❌ 获取资金费率失败: {e}")
return None
测试连接
print("测试 HolySheep API 连接...")
result = get_perpetual_orderbook("binance", "BTC-PERP", depth=10)
if result:
print(f"✅ 成功获取订单簿数据")
print(f"买一价: {result['bids'][0][0]}, 卖一价: {result['asks'][0][0]}")
else:
print("⚠️ API 返回空数据,请检查网络和 API Key")
三、期现套利监控信号系统
3.1 基差监控核心类
import asyncio
import aiohttp
from dataclasses import dataclass
from typing import Optional, Dict, List
from datetime import datetime
import pandas as pd
import numpy as np
@dataclass
class BasisData:
"""基差数据结构"""
timestamp: datetime
perpetual_price: float
index_price: float
basis: float
basis_ratio: float # 基差率 = (perpetual - index) / index
funding_rate: float
annual_yield: float # 年化收益率估算
class SpotFuturesArbitrageMonitor:
"""
期现套利监控器
同时监控现货和永续合约价格,计算基差并生成套利信号
"""
def __init__(self, api_key: str, exchange: str = "binance"):
self.api_key = api_key
self.exchange = exchange
self.base_url = "https://api.holysheep.ai/v1"
self.headers = {
"Authorization": f"Bearer {api_key}",
"Content-Type": "application/json"
}
self.basis_history: List[BasisData] = []
async def fetch_with_retry(self, session: aiohttp.ClientSession,
url: str, params: dict, retries: int = 3) -> Optional[dict]:
"""带重试的异步请求"""
for attempt in range(retries):
try:
async with session.get(url, headers=self.headers,
params=params, timeout=aiohttp.ClientTimeout(total=10)) as resp:
if resp.status == 200:
return await resp.json()
elif resp.status == 429:
# 限流,等待后重试
wait_time = 2 ** attempt
print(f"⚠️ API 限流,等待 {wait_time} 秒后重试...")
await asyncio.sleep(wait_time)
elif resp.status == 401:
print("❌ 401 Unauthorized: 请检查 API Key 是否正确")
return None
else:
print(f"❌ HTTP {resp.status}")
return None
except asyncio.TimeoutError:
print(f"⚠️ 请求超时(尝试 {attempt + 1}/{retries})")
await asyncio.sleep(1)
except Exception as e:
print(f"❌ 网络错误: {e}")
await asyncio.sleep(1)
return None
async def get_market_data(self, session: aiohttp.ClientSession,
perp_symbol: str, spot_symbol: str) -> Optional[Dict]:
"""同时获取永续合约和现货数据"""
perp_data = await self.fetch_with_retry(
session,
f"{self.base_url}/crypto/orderbook",
{"exchange": self.exchange, "symbol": perp_symbol}
)
spot_data = await self.fetch_with_retry(
session,
f"{self.base_url}/crypto/orderbook",
{"exchange": self.exchange, "symbol": spot_symbol}
)
funding_data = await self.fetch_with_retry(
session,
f"{self.base_url}/crypto/funding-rate",
{"exchange": self.exchange, "symbol": perp_symbol}
)
if all([perp_data, spot_data, funding_data]):
perp_mid = (perp_data['bids'][0][0] + perp_data['asks'][0][0]) / 2
spot_mid = (spot_data['bids'][0][0] + spot_data['asks'][0][0]) / 2
funding_rate = funding_data['funding_rate']
return {
"perp_mid": perp_mid,
"spot_mid": spot_mid,
"funding_rate": funding_rate
}
return None
def calculate_basis_signal(self, perp_price: float, spot_price: float,
funding_rate: float) -> Dict:
"""计算基差和套利信号"""
basis = perp_price - spot_price
basis_ratio = basis / spot_price
# 估算资金费率年化(每小时资金费率 × 3 × 365)
hourly_rate = funding_rate / 100
annual_funding = hourly_rate * 3 * 365 # 每8小时结算一次
# 假设每笔交易手续费 0.05%,年化交易成本
annual_tx_cost = 0.0005 * 2 * 365
# 净年化收益 = 资金费年化收益 - 交易成本
net_annual_yield = annual_funding - annual_tx_cost
# 生成交易信号
# 正向套利信号:基差率 > 0.1% 且 资金费率 > 0
# 反向套利信号:基差率 < -0.1% 且 资金费率 < 0
signal = "HOLD"
if basis_ratio > 0.001 and funding_rate > 0:
signal = "LONG_SPOT_SHORT_PERP" # 正向套利
elif basis_ratio < -0.001 and funding_rate < 0:
signal = "SHORT_SPOT_LONG_PERP" # 反向套利
return {
"basis": basis,
"basis_ratio": basis_ratio,
"annual_yield": net_annual_yield,
"signal": signal,
"action": "买入现货 + 卖出永续" if signal == "LONG_SPOT_SHORT_PERP" else
"卖出现货 + 买入永续" if signal == "SHORT_SPOT_LONG_PERP" else "观望"
}
async def run_monitor(self, perp_symbol: str, spot_symbol: str,
duration_seconds: int = 3600):
"""运行监控"""
print(f"🔄 开始监控期现基差...")
print(f"永续合约: {perp_symbol}, 现货: {spot_symbol}")
print("-" * 60)
async with aiohttp.ClientSession() as session:
start_time = time.time()
while time.time() - start_time < duration_seconds:
data = await self.get_market_data(session, perp_symbol, spot_symbol)
if data:
signal_data = self.calculate_basis_signal(
data['perp_mid'],
data['spot_mid'],
data['funding_rate']
)
basis_record = BasisData(
timestamp=datetime.now(),
perpetual_price=data['perp_mid'],
index_price=data['spot_mid'],
basis=signal_data['basis'],
basis_ratio=signal_data['basis_ratio'],
funding_rate=data['funding_rate'],
annual_yield=signal_data['annual_yield']
)
self.basis_history.append(basis_record)
# 格式化输出
print(f"[{datetime.now().strftime('%H:%M:%S')}] "
f"永续: ${data['perp_mid']:,.2f} | "
f"现货: ${data['spot_mid']:,.2f} | "
f"基差: {signal_data['basis']:.2f} ({signal_data['basis_ratio']*100:.4f}%) | "
f"年化: {signal_data['annual_yield']*100:.2f}% | "
f"信号: {signal_data['action']}")
else:
print(f"[{datetime.now().strftime('%H:%M:%S')}] 数据获取失败,等待重试...")
await asyncio.sleep(5) # 每5秒刷新一次
启动监控
api_key = "YOUR_HOLYSHEEP_API_KEY"
monitor = SpotFuturesArbitrageMonitor(api_key, exchange="binance")
运行监控1小时
asyncio.run(monitor.run_monitor("BTC-PERP", "BTC-USDT", duration_seconds=3600))
3.2 历史数据回测
def backtest_arbitrage(basis_history: List[BasisData],
entry_threshold: float = 0.002,
exit_threshold: float = 0.0005,
position_size: float = 10000):
"""
基差套利回测
参数:
- entry_threshold: 入场基差率阈值(0.002 = 0.2%)
- exit_threshold: 出场基差率阈值(0.0005 = 0.05%)
- position_size: 每次开仓金额(美元)
"""
df = pd.DataFrame([
{
'timestamp': b.timestamp,
'perp_price': b.perpetual_price,
'spot_price': b.index_price,
'basis_ratio': b.basis_ratio,
'annual_yield': b.annual_yield
}
for b in basis_history
])
# 计算持仓状态
df['position'] = 0 # 0: 空仓, 1: 正向套利, -1: 反向套利
# 简单信号逻辑
for i in range(1, len(df)):
prev_pos = df.loc[i-1, 'position']
basis = df.loc[i, 'basis_ratio']
if prev_pos == 0: # 当前空仓
if basis > entry_threshold:
df.loc[i, 'position'] = 1 # 开正向套利
elif basis < -entry_threshold:
df.loc[i, 'position'] = -1 # 开反向套利
elif prev_pos == 1: # 持有正向套利
if basis < exit_threshold: # 基差收敛,平仓
df.loc[i, 'position'] = 0
else:
df.loc[i, 'position'] = 1
elif prev_pos == -1: # 持有反向套利
if basis > -exit_threshold:
df.loc[i, 'position'] = 0
else:
df.loc[i, 'position'] = -1
# 计算收益
df['position_change'] = df['position'].diff()
df.loc[df['position_change'] == 1, 'entry_basis'] = df.loc[df['position_change'] == 1, 'basis_ratio']
entry_basis = None
total_pnl = 0
trades = []
for i, row in df.iterrows():
if row['position_change'] == 1: # 开仓
entry_basis = row['basis_ratio']
elif row['position_change'] == -1 and entry_basis: # 平仓
pnl = (row['basis_ratio'] - entry_basis) * position_size
total_pnl += pnl
trades.append({
'entry': entry_basis,
'exit': row['basis_ratio'],
'pnl': pnl,
'holding_periods': len(df[(df.index > i - 100) & (df['position'] != 0)])
})
entry_basis = None
# 统计结果
print("=" * 60)
print("📊 期现套利回测结果")
print("=" * 60)
print(f"总交易次数: {len(trades)}")
print(f"总收益: ${total_pnl:.2f}")
if trades:
winning_trades = [t for t in trades if t['pnl'] > 0]
print(f"胜率: {len(winning_trades)/len(trades)*100:.1f}%")
print(f"平均持仓时长: {np.mean([t['holding_periods'] for t in trades]):.1f} 个周期")
return df, total_pnl
执行回测
df_result, total_pnl = backtest_arbitrage(monitor.basis_history)
四、常见报错排查
在实际运行套利系统时,你可能会遇到各种错误。以下是三个最常见的问题及解决方案:
4.1 ConnectionError: Unable to fetch funding rate data after 3 retries
原因分析:这是最常见的网络超时错误,通常由以下原因导致:
- HolySheep API 暂时不可用或维护中
- 网络延迟过高(跨境连接常见问题)
- 请求频率超过 API 限制
解决方案:
# 方案1: 增加重试次数和等待时间
async def fetch_with_retry_robust(self, session, url, params, retries=5, backoff=2):
for attempt in range(retries):
try:
async with session.get(url, headers=self.headers,
params=params, timeout=aiohttp.ClientTimeout(total=30)) as resp:
if resp.status == 200:
return await resp.json()
elif resp.status == 429:
await asyncio.sleep(backoff ** attempt) # 指数退避
except asyncio.TimeoutError:
print(f"⏳ 超时,第 {attempt + 1} 次重试...")
await asyncio.sleep(backoff ** attempt)
# 备选方案:使用缓存数据
print("⚠️ API 不可用,使用本地缓存数据")
return self._get_cached_data(url)
4.2 401 Unauthorized: Invalid API Key
原因分析:
- API Key 拼写错误或多余空格
- Key 已过期或被撤销
- 使用了错误的 API 端点
解决方案:
# 检查 API Key 格式
api_key = "YOUR_HOLYSHEEP_API_KEY".strip() # 去除首尾空格
验证 Key 是否有效
def verify_api_key(api_key: str) -> bool:
test_url = "https://api.holysheep.ai/v1/crypto/funding-rate"
headers = {"Authorization": f"Bearer {api_key}"}
try:
resp = requests.get(test_url, headers=headers, params={"exchange": "binance", "symbol": "BTC-PERP"})
return resp.status_code == 200
except:
return False
if not verify_api_key(api_key):
print("❌ API Key 无效")
print("👉 请访问 https://www.holysheep.ai/register 注册获取新 Key")
exit(1)
4.3 基差数据异常:perp_price < spot_price 且差值持续扩大
原因分析:
- 使用了不同交易所的永续和现货数据
- 订单簿深度不足导致中间价失真
- 数据延迟导致价格不同步
解决方案:
# 确保使用同一交易所的数据,并进行价格合理性检查
def validate_basis_data(perp_price: float, spot_price: float, max_deviation: float = 0.05):
"""
验证基差数据合理性
max_deviation: 允许的最大偏离比例(5%)
"""
deviation = abs(perp_price - spot_price) / spot_price
if deviation > max_deviation:
print(f"⚠️ 警告: 价格偏离 {deviation*100:.2f}% 超过阈值 {max_deviation*100}%")
print(f"永续: {perp_price}, 现货: {spot_price}")
return False
# 检查是否是同一标的
if abs(perp_price / spot_price - 1) > 0.01:
print("⚠️ 警告: 永续和现货价格差异过大,请确认是同一品种")
return False
return True
在获取数据后进行验证
data = await self.get_market_data(session, "BTC-PERP", "BTC-USDT")
if data and validate_basis_data(data['perp_mid'], data['spot_mid']):
# 数据有效,继续处理
pass
else:
print("❌ 数据验证失败,跳过本周期")
五、为什么选 HolySheep API
在期现套利场景中,数据的实时性、稳定性和成本是关键因素。HolySheep API 在这三个维度上都有明显优势:
5.1 核心优势对比
| 对比维度 | HolySheep API | 交易所官方 API | 其他数据中转 |
|---|---|---|---|
| 国内延迟 | <50ms 直连 | 150-300ms(跨境) | 80-150ms |
| 汇率成本 | ¥1=$1(官方7.3) | 实际汇率 + 手续费 | 通常不提供 |
| 充值方式 | 微信/支付宝 | 海外银行转账 | USDT/Credit Card |
| 数据覆盖 | Binance/Bybit/OKX/Deribit | 仅单一交易所 | 部分支持 |
| 免费额度 | 注册即送 | 无 | 有限试用 |
| API 格式 | OpenAI 兼容 | 各自独立格式 | 参差不齐 |
5.2 价格与回本测算
以一个典型的期现套利策略为例:
- 策略规模:10万美元等值仓位
- 年化收益:15-25%(取决于市场波动和资金费率)
- HolySheep 成本:约 $50/月(使用量适中)
- 回本周期:首日收益即可覆盖
| 套餐类型 | 月费 | 适合规模 | 年化收益估算 |
|---|---|---|---|
| 基础版 | $29 | <$20,000 | 需精打细算 |
| 专业版 | $99 | $20,000-$100,000 | 收益可观 |
| 机构版 | $299 | >$100,000 | 稳定盈利 |
六、适合谁与不适合谁
6.1 适合使用本策略的人群
- 有技术基础的量化交易者:能运行 Python 代码,理解期现基差概念
- 有稳定网络的量化团队:低延迟是套利的生命线
- 有现货和合约账户:需要同时持有现货和合约仓位
- 追求稳健收益:期现套利风险较低,适合资金保值增值
6.2 不适合的人群
- 纯小白用户:不理解合约机制,容易爆仓
- 资金量太小:手续费会吃掉大部分利润(建议 >$5,000)
- 追求高收益:年化15-25%可能无法满足你对收益率的预期
- 无法接受任何回撤:极端行情下可能出现短期浮亏
七、完整策略代码与运行指南
"""
永续合约期现套利完整策略
适用于 Binance/Bybit/OKX 交易所
"""
import asyncio
import aiohttp
import pandas as pd
import numpy as np
from datetime import datetime, timedelta
import json
import os
class ArbitrageStrategy:
def __init__(self, api_key: str, exchange: str = "binance"):
self.api_key = api_key
self.exchange = exchange
self.base_url = "https://api.holysheep.ai/v1"
self.headers = {
"Authorization": f"Bearer {api_key}",
"Content-Type": "application/json"
}
# 策略参数
self.entry_threshold = 0.0015 # 入场基差率 0.15%
self.exit_threshold = 0.0003 # 出场基差率 0.03%
self.max_position = 1.0 # 最大仓位比例
self.rebalance_interval = 300 # 再平衡间隔(秒)
# 状态
self.current_position = 0
self.entry_basis = None
self.trade_log = []
async def fetch_data(self, session, endpoint: str, params: dict):
"""通用数据获取"""
url = f"{self.base_url}{endpoint}"
try:
async with session.get(url, headers=self.headers, params=params,
timeout=aiohttp.ClientTimeout(total=10)) as resp:
if resp.status == 200:
return await resp.json()
else:
return None
except Exception as e:
print(f"❌ 获取数据失败: {e}")
return None
async def get_spread(self, session, perp_symbol: str, spot_symbol: str) -> dict:
"""获取买卖价差"""
perp = await self.fetch_data(session, "/crypto/orderbook",
{"exchange": self.exchange, "symbol": perp_symbol})
spot = await self.fetch_data(session, "/crypto/orderbook",
{"exchange": self.exchange, "symbol": spot_symbol})
if perp and spot:
perp_bid, perp_ask = float(perp['bids'][0][0]), float(perp['asks'][0][0])
spot_bid, spot_ask = float(spot['bids'][0][0]), float(spot['asks'][0][0])
return {
"perp_bid": perp_bid,
"perp_ask": perp_ask,
"spot_bid": spot_bid,
"spot_ask": spot_ask,
"perp_mid": (perp_bid + perp_ask) / 2,
"spot_mid": (spot_bid + spot_ask) / 2,
"perp_spread": perp_ask - perp_bid,
"spot_spread": spot_ask - spot_bid
}
return None
def calculate_signal(self, spread_data: dict, funding_rate: float) -> dict:
"""计算交易信号"""
perp_mid = spread_data['perp_mid']
spot_mid = spread_data['spot_mid']
# 基差 = 永续价格 - 现货价格
basis = perp_mid - spot_mid
basis_ratio = basis / spot_mid
# 年化收益估算
hourly_funding = funding_rate / 100 / 3
annual_funding = hourly_funding * 3 * 365
annual_tx_cost = 0.0005 * 2 * 365
net_yield = annual_funding - annual_tx_cost
# 交易信号
signal = "HOLD"
action = None
entry_price_perp = None
entry_price_spot = None
if self.current_position == 0:
# 空仓状态,检查入场
if basis_ratio > self.entry_threshold:
signal = "LONG_SPOT_SHORT_PERP"
action = "买入现货 + 卖出永续"
self.entry_basis = basis_ratio
elif basis_ratio < -self.entry_threshold:
signal = "SHORT_SPOT_LONG_PERP"
action = "卖出现货 + 买入永续"
self.entry_basis = basis_ratio
elif self.current_position == 1:
# 正向套利持仓
if basis_ratio < self.exit_threshold:
signal = "CLOSE_LONG_SPOT_SHORT_PERP"
action = "平仓"
pnl = (basis_ratio - self.entry_basis) * 10000
self.trade_log.append({
"time": datetime.now(),
"type": "CLOSE_LONG_SPOT_SHORT_PERP",
"entry_basis": self.entry_basis,
"exit_basis": basis_ratio,
"pnl": pnl
})
self.current_position = 0
self.entry_basis = None
elif self.current_position == -1:
# 反向套利持仓
if basis_ratio > -self.exit_threshold:
signal = "CLOSE_SHORT_SPOT_LONG_PERP"
action = "平仓"
pnl = (self.entry_basis - basis_ratio) * 10000
self.trade_log.append({
"time": datetime.now(),
"type": "CLOSE_SHORT_SPOT_LONG_PERP",
"entry_basis": self.entry_basis,
"exit_basis": basis_ratio,
"pnl": pnl
})
self.current_position = 0
self.entry_basis = None
return {
"signal": signal,
"action": action,
"basis": basis,
"basis_ratio": basis_ratio,
"annual_yield": net_yield,
"perp_mid": perp_mid,
"spot_mid": spot_mid,
"perp_spread": spread_data['perp_spread'],
"spot_spread": spread_data['spot_spread']
}
async def run(self, perp_symbol: str, spot_symbol: str, duration_minutes: int = 60):
"""运行策略"""
print(f"🚀 启动期现套利策略")
print(f"交易所: {self.exchange}")
print(f"永续: {perp_symbol}, 现货: {spot_symbol}")
print("=" * 70)
async with aiohttp.ClientSession() as session:
start_time = datetime.now()
end_time = start_time + timedelta(minutes=duration_minutes)
while datetime.now() < end_time:
# 获取资金费率
funding = await self.fetch_data(session, "/crypto/funding-rate",
{"exchange": self.exchange, "symbol": perp_symbol})
if funding:
funding_rate = funding.get('funding_rate', 0)
# 获取价差数据
spread_data = await self.get_spread(session, perp_symbol, spot_symbol)
if spread_data:
signal = self.calculate_signal(spread_data, funding_rate)
# 更新仓位状态
if signal['signal'] in ['LONG_SPOT_SHORT_PERP', 'SHORT_SPOT_LONG_PERP']:
self.current_position = 1 if signal['signal'] == 'LONG_SPOT_SHORT_PERP' else -1
# 打印状态
pos_str = {0: "空仓", 1: "正向套利", -1: "反向套利"}[self.current_position]
print(f"[{datetime.now().strftime('%H:%M:%S')}] "
f"永续: {signal['perp_mid']:.2f} | "
f"现货: {signal['spot_mid']:.2f} | "
f"基差: {signal['basis_ratio']*100:.4f}% | "
f"年化: {signal['annual_yield']*100:.2f}% | "
f"仓位: {pos_str} | "
f"信号: {signal['action'] or '观望'}")
await asyncio.sleep(10)
# 打印交易记录
print("\n" + "=" * 70)
print("📊 交易记录")
print("=" * 70)
if self.trade_log:
df = pd.DataFrame(self.trade_log)
print(df.to_string())
total_pnl = df['pnl'].sum()
print(f"\n💰 总收益: ${total_pnl:.2f}")
else:
print("无交易记录")
运行策略
if __name__ == "__main__":
API_KEY = "YOUR_HOLYSHEEP_API_KEY"
strategy = ArbitrageStrategy(API_KEY, exchange="binance")
asyncio.run(strategy.run("BTC-PERP", "BTC-USDT", duration_minutes=60))
八、总结与购买建议
期现套利是一种风险相对较低、收益稳定的量化策略,核心逻辑是利用永续合约价格与现货指数之间的基差波动来获取收益。成功的关键在于:
- 低延迟数据源:HolySheep API 国内直连 <50ms
- 合理的入场阈值:基差率 0.15% 入场,0.03