一年做多 BTC 2×：资金费不是 13%，而是 0.86%。你选哪个？
为什么你做多明明方向对了，却越拿越亏？
因为你忽略了那个吃你利润的怪兽：Funding Fee。
📊 对比核心
Hyperliquid BTC 永续资金费（脚本采样）
→ 13.23% / 年（对名义仓位）
@protocol_fx :
过去一年只有 ~13% 时间 收 AAVE 级别利率
AAVE USDC 平均借贷年化 = 6.68%
→ 有效资金费年化
= 6.68% × 13% ≈ 0.8684%（对名义仓位）
⭐ 差距 = 15.2 倍
（13.23% ÷ 0.8684% ≈ 15.23）
假设10,000U 本金，2× 做多 BTC 持有一年：
🔴 在 Hyperliquid：
名义仓位 = 20,000U
年化资金费 ≈ 13.23%
一年要付 ≈ 2,647 U 的 funding（占本金 ~26.5%）
🟢 在 @protocol_fx:
效资金费年化 ≈ 0.86%（只在 ~13% 时间收 Aave 级利率）
一年只付 ≈ 173.7U（占本金 ~1.73%）
过去一年里，f(x) Protocol 上的杠杆仓位（xPositions）在 87% 的时间里处于零资金费率（0% funding） 状态。
随着 fxUSD 的流通量增加、资金池更深、套利路径更顺畅，以及协议整体被更多交易者采用，我们预计：
👉 在接下来的周期内，零资金费率时间占比有望提升至 95% 以上。
这意味着：
> 更低的持仓成本
> 更高效的资本使用
> 更稳定的头寸体验
>更坚实的 fxUSD 需求基础
f(x) 会持续朝「接近 100% 时间零 funding」的目标优化。
Trade leverage Smart, Earn true stable yield more and Sleep everywhere well.
Just use @protocol_fx
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