This appendix provides complete results for the robustness checks discussed in Short Interest and Aggregate Stock Returns.The paper "Short Interest and Aggregate Stock Returns" to which these Appendices apply is available at the following URL: 'http://ssrn.com/abstract=2474930'...

We show that short interest is arguably the strongest known predictor of aggregate stock returns. It outperforms a host of popular return predictors both in and out of sample, with annual r-squared statistics of 12.89% and 13.24%, respectively. In addition, short interest can generate utility...