activity
20242026
collaborators

6 papers

q-fin.MF2026

Capital Asset Pricing Model with Size Factor and Normalizing by Volatility Index

Abraham Atsiwo, Andrey Sarantsev

The Capital Asset Pricing Model (CAPM) relates a well-diversified stock portfolio to a benchmark portfolio. We insert size effect in the CAPM, capturing the observation that small…

q-fin.RM2025

Valuation Measure of the Stock Market using Stochastic Volatility and Stock Earnings

Andrey Sarantsev, Angel Piotrowski, Ian Anderson

We create a time series model for annual returns of three asset classes: the USA Standard & Poor (S&P) stock index, the international stock index, and the USA Bank of America inves…

q-fin.ST2025

A New Stock Market Valuation Measure with Applications to Retirement Planning

Andrey Sarantsev

We generalize the classic Shiller cyclically adjusted price-earnings ratio (CAPE) used for prediction of future total returns of the stock market. We treat earnings growth as exoge…

q-fin.ST2025

Zero-Coupon Treasury Rates and Returns using the Volatility Index

Jihyun Park, Andrey Sarantsev

We study a multivariate autoregressive stochastic volatility model for the first 3 principal components (level, slope, curvature) of 10 series of zero-coupon Treasury bond rates wi…

q-fin.ST2025

New Time Series Models for Corporate Bond Log Yields

Jihyun Park, Andrey Sarantsev

We propose a class of simple time series models for rates and spreads of portfolios of corporate bonds classified by ratings provided by Bank of America. We evaluate these models b…

q-fin.ST2024

Log Heston Model for Monthly Average VIX

Jihyun Park, Andrey Sarantsev

We model time series of VIX (monthly average) and monthly stock index returns. We use log-Heston model: logarithm of VIX is modeled as an autoregression of order 1. Our main insigh…