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Short Interest Ratio Calculator

Calculate short interest ratios and days to cover to measure market short selling sentiment.

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Calculation Parameters

Specify your inputs below.

Calculated Result

Days to Cover (Short Ratio) 4.00 days
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Expert Tip

A high short ratio (e.g. above 5-7 days) indicates that short sellers will need several days of average trading to buy back shares, increasing short squeeze risks.

How this Calculator Works

This calculator computes the Short Interest Ratio (also known as "Days to Cover"), which measures the number of days required for short sellers to buy back all shorted stock shares based on average trading volume. A high ratio indicates potential for a short squeeze.

Formula & Methodology

Short Interest Ratio (Days to Cover) = Shares Shorted / Average Daily Trading Volume - Shares Shorted is the total count of shares currently sold short. - Average Daily Trading Volume is the average shares traded per day.

Step-by-Step Calculation Example

Here is a step-by-step example showing how the calculations are performed:

A company has 2,500,000 shares sold short. The average daily volume is 500,000 shares. 1. Divide shorted shares by average daily volume: 2,500,000 / 500,000 = 5.0. Result: The Short Interest Ratio (Days to Cover) is 5.0 days.

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Detailed Insights & Expert Guide

ℹ️ About this Calculation

This equity research and valuation calculator evaluates corporate fundamentals, stock price multiples, cost of capital, dividend discount models, and shareholder return metrics based on SEC financial reporting and Wall Street equity analysis standards.

Variable Glossary

Input

Equity Inputs

Share price, earnings per share (EPS), dividend amount, book value, debt/equity ratio, or systematic beta coefficient.

Parameter

Valuation Output

Price-to-Earnings (P/E), EV/EBITDA multiple, Intrinsic Value ($), WACC %, or Return on Equity (ROE %).

How to Calculate Step-by-Step

1

Step 1

Input current stock price, shares outstanding, or balance sheet / income statement numbers.

2

Step 2

Enter expected growth rate, cost of equity, or market risk premium assumptions.

3

Step 3

Review calculated valuation multiples, margin of safety comparison, or required rate of return.

FAQ

What is WACC and why is it crucial for equity valuation?
Weighted Average Cost of Capital (WACC) represents a company's required average return on debt and equity capital. It is used as the hurdle rate to discount future cash flows in DCF valuation models.
How does stock Beta measure systematic risk?
A stock beta of 1.0 means price volatility matches the broader market index. Beta > 1.0 indicates higher volatility, while Beta < 1.0 reflects lower systematic volatility.
Should valuation multiples be evaluated in isolation?
No. Valuation ratios (P/E, EV/EBITDA, P/B) should always be benchmarked against industry peer groups, historical trading averages, and expected earnings growth (PEG ratio).