| VARIABLES | (1) HS | (2) HM | (3) HL | (4) HI |
| U* SW | 0.0064*** | 0.0033** | 0.0013 | −0.0019 |
| (0.0019) | (0.0013) | (0.0015) | (0.0026) | |
| D* SW | 0.0041 | 0.0020 | −0.0026 | −0.0004 |
| (0.0028) | (0.0018) | (0.0016) | (0.0038) | |
| U | 0.0006 | 0.0003 | −6.29e−05 | 0.0029 |
| (0.0012) | (0.0007) | (0.0009) | (0.0017) | |
| D | 0.0027 | 0.0011 | 0.0009 | −0.0020 |
| (0.0016) | (0.0010) | (0.0009) | (0.0021) | |
| SW | 0.0016*** | 0.0011*** | −6.06e−05 | −0.0011 |
| (0.0003) | (0.0002) | (0.0003) | (0.0009) | |
| C | Yes | Yes | Yes | Yes |
| Constant | 0.1190*** | 0.0135*** | 0.1180*** | 0.4640*** |
| (0.0089) | (0.0048) | (0.0094) | (0.0190) | |
| Observations | 154,859 | 155,076 | 154,844 | 131,769 |
| R-squared | 0.1150 | 0.1110 | 0.1840 | 0.1920 |