TY  - SER
AU  - T.Silvka, Ronald
AU  - Han Qin
AU  - Kai Ye
TI  - Stock Index Futures Rollover Strategies: An Empirical Study of Four countries
KW  - Rollover Strategy
KW  - Calendar spreads
KW  - Stock Index futures
KW  - Roll yield
KW  - FTSE 100
KW  - S&P 500
KW  - Nifty
KW  - A50
ER  -