<?xml version="1.0" encoding="UTF-8"?><rss version="2.0"><channel><title>SafeArbitrage 研究与动态</title><description>资金费率套利的原理、工程实现与系统改版记录。</description><link>https://safearbitrage.com/</link><language>zh-cn</language><item><title>资金费率怎么算？公式拆解与三个最常见的算错</title><link>https://safearbitrage.com/blog/funding-rate-calculation/</link><guid isPermaLink="true">https://safearbitrage.com/blog/funding-rate-calculation/</guid><description>资金费率＝平均溢价指数＋clamp（利率−溢价指数，±0.05%），再除以 8/N 归一化。这是币安 2025 年 9 月起的口径；三处最容易算错的地方是结算周期、乘数基数和年化系数。</description><pubDate>Mon, 31 Aug 2026 00:00:00 GMT</pubDate><category>研究</category><category>资金费率</category><category>计算公式</category><category>永续合约</category><category>年化收益</category></item><item><title>资金费率为负是什么意思，能反过来套利吗</title><link>https://safearbitrage.com/blog/negative-funding-rate/</link><guid isPermaLink="true">https://safearbitrage.com/blog/negative-funding-rate/</guid><description>资金费率为负＝合约比现货便宜，空头付钱给多头，不等于「做空的人多」。反过来套利要多永续、空现货，而现货腿只能来自已持有或借来的币——利息吃光费率、借不到币、多一个强平点，这三条决定了它多数时候不成立。</description><pubDate>Sun, 30 Aug 2026 00:00:00 GMT</pubDate><category>研究</category><category>资金费率</category><category>负费率</category><category>反向套利</category></item><item><title>币价大跌，资金费率会跟着消失吗</title><link>https://safearbitrage.com/blog/funding-rate-vs-price-crash/</link><guid isPermaLink="true">https://safearbitrage.com/blog/funding-rate-vs-price-crash/</guid><description>不会：费率由基差决定，不由涨跌决定。用 2026 年 8 月 29 日那次下跌做样本，讲清两者的机制差别，以及费率真正会变薄的三种行情。</description><pubDate>Sat, 29 Aug 2026 00:00:00 GMT</pubDate><category>研究</category><category>资金费率</category><category>Delta中性</category><category>风险边界</category></item><item><title>BTC 跌破 7.8 万，资金费率却一期没转负</title><link>https://safearbitrage.com/news/btc-below-78k-funding-stays-positive/</link><guid isPermaLink="true">https://safearbitrage.com/news/btc-below-78k-funding-stays-positive/</guid><description>8 月 29 日比特币跌破 78,000 美元，24 小时爆仓 8,254 万、多头占 87.6%。但资金费率当期仍是 0.0086%/8 小时，统计区间 21 期全为正。</description><pubDate>Sat, 29 Aug 2026 00:00:00 GMT</pubDate><category>动态</category><category>BTC 行情</category><category>资金费率</category><category>爆仓数据</category></item><item><title>SafeArbitrage V2 控制台上线：资金费率收益页支持四档口径下钻</title><link>https://safearbitrage.com/news/v2-launch/</link><guid isPermaLink="true">https://safearbitrage.com/news/v2-launch/</guid><description>新版控制台把资金费率收益按全部、日、月、年四档拆开，支持从运营商聚合一路下钻到单个账号的逐月分格。</description><pubDate>Sat, 22 Aug 2026 00:00:00 GMT</pubDate><category>动态</category><category>产品动态</category><category>控制台</category></item><item><title>六年回顾：2022 年那个 7.888% 才是这张表的重点</title><link>https://safearbitrage.com/blog/six-year-review/</link><guid isPermaLink="true">https://safearbitrage.com/blog/six-year-review/</guid><description>2020 至 2025 年逐年数据摆开之后，最值得看的不是 2021 年的 455%，而是熊市里收益如何塌下去。理解波动才能理解这条策略。</description><pubDate>Tue, 11 Aug 2026 00:00:00 GMT</pubDate><category>研究</category><category>历史业绩</category><category>风险</category><category>数据</category></item><item><title>Delta 中性在工程上难在哪：两条腿必须同时落地</title><link>https://safearbitrage.com/blog/delta-neutral-in-practice/</link><guid isPermaLink="true">https://safearbitrage.com/blog/delta-neutral-in-practice/</guid><description>原理只有一句话，实现要处理精度对齐、单腿回滚、保证金联动与再平衡。这四件事任何一件没做好，无风险就变成了有风险。</description><pubDate>Tue, 28 Jul 2026 00:00:00 GMT</pubDate><category>研究</category><category>Delta中性</category><category>工程实现</category><category>风控</category></item><item><title>资金费率采集器改版：结算权益与收益一并留痕</title><link>https://safearbitrage.com/news/funding-collector-upgrade/</link><guid isPermaLink="true">https://safearbitrage.com/news/funding-collector-upgrade/</guid><description>采集器现在踩在三个结算点上同时取收益与账户权益，收益率的分母不再依赖事后快照，历史数据支持按时间段回补。</description><pubDate>Sun, 19 Jul 2026 00:00:00 GMT</pubDate><category>动态</category><category>产品动态</category><category>数据</category></item><item><title>什么是资金费率？一篇讲清这笔钱从哪来</title><link>https://safearbitrage.com/blog/funding-rate-basics/</link><guid isPermaLink="true">https://safearbitrage.com/blog/funding-rate-basics/</guid><description>永续合约没有交割日，靠资金费率把合约价格拽回现货。这笔每 8 小时结算一次的费用，就是套利收益的全部来源。</description><pubDate>Tue, 14 Jul 2026 00:00:00 GMT</pubDate><category>研究</category><category>资金费率</category><category>基础知识</category><category>永续合约</category></item></channel></rss>