Research Article

Can the Implied Information of Options Predict the Liquidity of Stock Market? A Data-Driven Research Based on SSE 50ETF Options

Table 8

Robustness test: forecasting power of IVS on stock market liquidity at different stage.

Panel A: forecasting power at the early stage of development
1 d5 d10 d30 d60 d90 d120 d

IVS0.000 (0.01)0.009 (0.65)0.020 (1.50)0.041 (3.16)0.022 (1.77)−0.020 (−1.90)−0.004 (−0.55)
RF−1.384 (−1.80)−1.150 (−1.49)−0.849 (−1.10)1.890 (2.50)6.467 (8.91)6.265 (10.17)5.186 (13.24)
SIR0.127 (1.38)−0.082 (−0.90)0.120 (1.32)0.154 (1.71)0.169 (1.96)−0.091 (−1.25)−0.014 (−0.30)
ER−0.055 (−8.98)−0.056 (−9.22)0.060 (−9.82)−0.070 (−11.74)−0.068 (−11.90)−0.038 (−7.89)−0.017 (−5.77)
CIR0.018 (0.92)0.019 (0.99)−0.008 (−0.40)−0.027 (−1.43)−0.024 (−1.32)−0.02 (−1.20)−0.013 (−1.39)
Adjusted R2 (%)11.8711.7312.2917.2823.9217.6722.61

Panel B: forecasting power in the development period
1 d5 d10 d30 d60 d90 d120 d

IVS0.060 (2.42)0.051 (2.05)0.058 (2.30)0.034 (1.38)0.026 (1.09)0.000 (−0.01)−0.011 (−0.45)
RF3.225 (2.21)3.350 (2.27)3.132 (2.12)4.651 (3.18)3.063 (2.13)2.743 (1.95)1.356 (0.89)
SIR−0.449 (−3.50)−0.224 (−1.73)−0.083 (−0.64)−0.161 (−1.25)−0.046 (−0.36)−0.008 (−0.06)0.004 (−0.87)
ER0.022 (1.72)0.018 (1.33)0.014 (1.02)0.021 (1.58)−0.014 (−1.08)−0.033 (−2.66)−0.042 (−3.34)
CIR0.043 (2.09)0.019 (0.93)0.024 (1.13)−0.005 (−0.22)0.003 (0.15)−0.040 (−1.99)0.004 (0.21)
Adjusted R2 (%)4.732.332.232.695.7410.139.18