From: Can the Baidu Index predict realized volatility in the Chinese stock market?
Short-term | Medium-term | Long-term | ||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
h = 1 | h = 5 | h = 10 | h = 22 | h = 44 | h = 66 | |||||||||||||
Before | After | Delta | Before | After | Delta | Before | After | Delta | Before | After | Delta | Before | After | Delta | Before | After | Delta | |
HAR-RV-type | 0.317 | 0.331 | 0.014 | 0.478 | 0.509 | 0.030 | 0.491 | 0.535 | 0.044 | 0.428 | 0.497 | 0.069 | 0.266 | 0.394 | 0.128 | 0.188 | 0.357 | 0.169 |
HAR-RV-J-type | 0.325 | 0.336 | 0.011 | 0.512 | 0.534 | 0.022 | 0.518 | 0.553 | 0.035 | 0.455 | 0.513 | 0.058 | 0.285 | 0.401 | 0.116 | 0.198 | 0.358 | 0.160 |
HAR-CJ-type | 0.346 | 0.354 | 0.008 | 0.539 | 0.556 | 0.018 | 0.551 | 0.580 | 0.029 | 0.494 | 0.543 | 0.049 | 0.302 | 0.412 | 0.111 | 0.203 | 0.361 | 0.158 |
PS-type | 0.321 | 0.333 | 0.012 | 0.495 | 0.521 | 0.026 | 0.502 | 0.541 | 0.039 | 0.442 | 0.505 | 0.063 | 0.276 | 0.397 | 0.121 | 0.193 | 0.357 | 0.164 |
PSLev-type | 0.324 | 0.335 | 0.011 | 0.509 | 0.533 | 0.023 | 0.514 | 0.551 | 0.037 | 0.452 | 0.512 | 0.060 | 0.284 | 0.401 | 0.118 | 0.197 | 0.359 | 0.161 |
HAR-RSV-type | 0.339 | 0.348 | 0.009 | 0.519 | 0.539 | 0.020 | 0.531 | 0.564 | 0.033 | 0.477 | 0.530 | 0.053 | 0.291 | 0.405 | 0.114 | 0.198 | 0.360 | 0.162 |
HAR-RSV-J-type | 0.340 | 0.349 | 0.008 | 0.531 | 0.549 | 0.018 | 0.542 | 0.571 | 0.030 | 0.485 | 0.535 | 0.050 | 0.297 | 0.407 | 0.110 | 0.201 | 0.360 | 0.159 |
HAR-RV-SJ-type | 0.325 | 0.336 | 0.011 | 0.513 | 0.534 | 0.022 | 0.517 | 0.552 | 0.035 | 0.455 | 0.513 | 0.057 | 0.285 | 0.401 | 0.115 | 0.198 | 0.358 | 0.160 |
HAR-CSJ-type | 0.347 | 0.355 | 0.008 | 0.541 | 0.557 | 0.017 | 0.553 | 0.580 | 0.027 | 0.497 | 0.544 | 0.047 | 0.303 | 0.412 | 0.109 | 0.205 | 0.362 | 0.157 |
HAR-RV-SJd-type | 0.326 | 0.337 | 0.011 | 0.512 | 0.534 | 0.022 | 0.517 | 0.552 | 0.035 | 0.455 | 0.513 | 0.058 | 0.285 | 0.401 | 0.116 | 0.197 | 0.358 | 0.160 |
HAR-CSJd-type | 0.356 | 0.361 | 0.006 | 0.544 | 0.559 | 0.014 | 0.555 | 0.580 | 0.025 | 0.499 | 0.543 | 0.045 | 0.308 | 0.412 | 0.104 | 0.208 | 0.361 | 0.153 |