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A股交易成本分析/TCA。当用户说"交易成本"、"TCA"、"transaction cost"、"成本分析"、"佣金"、"印花税"、"交易费用"时触发。基于 cn-stock-data 获取数据，进行全面的交易成本分析。支持 formal/brief 两种输出风格。
Passed 13 of 22 test cases with the skill, and 12 of 22 without it.
2 fixed11 passed either way8 still failing1 broke
Tokens, turns and time describe resource use, not a dollar price.
One of 2 test cases the skill fixed. Same model, same prompt, with and without the skill.
要对某只股票过去一个月的买卖单做算法交易成本分析，我们需要调取历史成交记录、基准价格序列和实时费率数据。如果借助内部工具链，应该使用哪个专门的数据获取技能/工具？
| Checked | Without skill | With skill |
|---|---|---|
| Names `cn-stock-data` as the data acquisition skill. | Missed | Passed |
The instructions your model reads when the skill loads.
通过 cn-stock-data skill 获取数据：
test cases passed, vs 12 / 22 without
Published skills whose descriptions closely match this one, with their headline benchmark lift.
More skills from the same source and nearby in the registry, with their headline benchmark lift.