Research Article
Valuation of Guaranteed Maximum Price Contracts in Korea Using the Collar Option Model
Table 7
Fluctuation of K-ratio under various conditions.
| GMP (million $) | Range (%) | Expected cost (million $) | 50.0 | 50.5 | 51.0 | 51.5 | 52.0 |
| 52.0 | 0.05–99.95 | 0.391 | 0.460 | 0.524 | 0.566 | 0.609 | 0.50–99.50 | 0.295 | 0.354 | 0.403 | 0.455 | 0.512 | 2.50–97.50 | 0.173 | 0.216 | 0.265 | 0.321 | 0.388 | 5.00–95.00 | 0.104 | 0.138 | 0.177 | 0.226 | 0.289 | 7.50–92.50 | 0.055 | 0.075 | 0.101 | 0.135 | 0.183 |
| 52.5 | 0.05–99.95 | 0.369 | 0.434 | 0.496 | 0.535 | 0.575 | 0.50–99.50 | 0.265 | 0.319 | 0.363 | 0.410 | 0.461 | 2.50–97.50 | 0.136 | 0.170 | 0.208 | 0.252 | 0.305 | 5.00–95.00 | 0.062 | 0.082 | 0.105 | 0.134 | 0.172 | 7.50–92.50 | 0.008 | 0.011 | 0.015 | 0.020 | 0.028 |
| 53.0 | 0.05–99.95 | 0.348 | 0.409 | 0.467 | 0.504 | 0.542 | 0.50–99.50 | 0.236 | 0.284 | 0.322 | 0.364 | 0.410 | 2.50–97.50 | 0.099 | 0.124 | 0.151 | 0.183 | 0.222 | 5.00–95.00 | 0.020 | 0.026 | 0.034 | 0.043 | 0.055 | 7.50–92.50 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 |
| 53.5 | 0.05–99.95 | 0.326 | 0.384 | 0.438 | 0.472 | 0.509 | 0.50–99.50 | 0.206 | 0.248 | 0.282 | 0.319 | 0.359 | 2.50–97.50 | 0.062 | 0.077 | 0.095 | 0.115 | 0.139 | 5.00–95.00 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 7.50–92.50 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 |
| 54.0 | 0.05–99.95 | 0.305 | 0.359 | 0.409 | 0.441 | 0.475 | 0.50–99.50 | 0.177 | 0.213 | 0.242 | 0.273 | 0.308 | 2.50–97.50 | 0.025 | 0.031 | 0.038 | 0.046 | 0.056 | 5.00–95.00 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 7.50–92.50 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 |
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