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Pawan
is on page 655 of 928
The Greek letters go all the way to vega. The finite difference method reminds of Newton's method and L-BFGS. Way too many options to keep in mind.
— Nov 21, 2025 06:46PM
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Yiwei
is 27% done
Ch.10
long call的收益为 max(ST-K,0)
short call的收益为 -max(ST-K,0)=min(K-ST,0)
long put的收益为 max(K-ST,0)
short put的收益为 -max(K-ST,0)=min(ST-K,0)
— Nov 13, 2025 02:23AM
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long call的收益为 max(ST-K,0)
short call的收益为 -max(ST-K,0)=min(K-ST,0)
long put的收益为 max(K-ST,0)
short put的收益为 -max(K-ST,0)=min(ST-K,0)
Pawan
is on page 455 of 928
It is interesting that a lot of it initially was farmers trying to insure and ascertain the value of their crops and produce on harvest.
— Nov 08, 2025 07:43PM
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Yiwei
is 2% done
期货和远期本质上相似（都是预先约定未来交易价格的合约），但最关键的区别确实在于【交易场所】以及由此衍生出的一系列操作和风险特征：前者有deposit保证金、mark to market每日盯市、margin account保证金账户
— Oct 29, 2025 03:21PM
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