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Terms starting with W

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Indicators & Oscillators

Walk-Forward Analysis

A testing method that optimises parameters on one segment of history and evaluates them on the immediately following unseen segment…

Test: for each window, optimise on the in-sample period and record results only from the subsequent out-of-sample period qualitative Derivatives, Futures & Options

Weekly Expiry

A derivative contract that expires each week rather than monthly, concentrating an option's whole life into a few days.

Test: the contract's expiry falls on a designated weekday of the current week rather than at month end qualitative Fundamental Analysis & Valuation

Weighted Average Cost of Capital

The blended after-tax cost of a company's debt and equity funding, weighted by their market values.

WACC = (E/V) x Cost of Equity + (D/V) x Cost of Debt x (1 - Tax Rate), where V = E + D % Indicators & Oscillators

Weighted Moving Average

A moving average in which weights decline linearly from the most recent period to the oldest in the window.

WMA = (P1 x n + P2 x (n-1) + ... + Pn x 1) / (n + (n-1) + ... + 1) ₹ Indicators & Oscillators

Whipsaw

A rapid reversal that triggers an entry or exit signal and then immediately reverses again, producing a loss.

Test: a signal is generated and the opposite signal follows within a short interval, before the first position has moved favourably qualitative Corporate Actions, Dividends & Governance

Whistle-Blower Policy

A mandated mechanism allowing employees and directors to report unethical behaviour or fraud without fear of retaliation.

Test: the policy provides a reporting channel, direct access to the audit committee chair, and protection against victimisation qualitative Economy, Macro & Market Cycles

Wholesale Price Index

An index tracking prices of goods traded in bulk between businesses, before they reach the retail stage.

WPI = (Cost of the Wholesale Basket Now / Cost in the Base Period) x 100 index points Indicators & Oscillators

Williams %R

An oscillator ranging from 0 to -100 that measures the close relative to the high of the last n periods.

%R = (Highest High over n - Close) / (Highest High over n - Lowest Low over n) x -100 % Financial Statements & Accounting

Working Capital

The capital tied up in day-to-day operations, measured as current assets less current liabilities.

Working Capital = Current Assets - Current Liabilities ₹ crore