Brendan K. Beare and Lawrence D. W. Schmidt, "An Empirical Test of Pricing Kernel Monotonicity", Journal of Applied Econometrics, forthcoming, Vol. 31, No. 2, 2016, pp. 338-356. There are three data files, which are zipped in the file bs-data.zip. Since all files are ASCII files in DOS format, Unix/Linux users should use "unzip -a". The file excess_rtns.txt is of size 469 KB. Columns are divided by ",". The file contains the following variables from 7-1-1963 to 12-31-2013. y year m month d day rf daily risk-free rate ex_rtn daily S&P 500 excess return sp_hi_lo S&P 500 daily range The file realized_vol_estimates.txt is of size 92 KB. Columns are divided by ",". The file contains the following variables from 1-9-1997 to 12-31-2013. y year m month d day realized_vol_estimate one-month S&P 500 volatility from log-linear RealGARCH(1,2) model The file option_prices.txt is of size 808 KB. Columns are divided by ",". The file contains the following variables from 1-23-1997 to 12-18-2013. y year m month d day spx_level S&P 500 closing price strike strike price of option time_to_maturity time to maturity of option price bid-ask average closing price of option volume option trading volume rf_opt daily risk-free rate put_flag 0 for calls and 1 for puts Please refer to the paper and its appendix for more details on these variables.