Terms starting with W
9 terms
Walk-Forward Analysis
Indicators & Oscillators
qualitative
A testing method that optimises parameters on one segment of history and evaluates them on the immediately following unseen segment, repeatedly.
Test: for each window, optimise on the in-sample period and record results only from the subsequent out-of-sample period
Weekly Expiry
Derivatives, Futures & Options
qualitative
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
Weighted Average Cost of Capital
Fundamental Analysis & Valuation
%
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
Weighted Moving Average
Indicators & Oscillators
₹
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)
Whipsaw
Indicators & Oscillators
qualitative
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
Whistle-Blower Policy
Corporate Actions, Dividends & Governance
qualitative
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
Wholesale Price Index
Economy, Macro & Market Cycles
index points
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
Williams %R
Indicators & Oscillators
%
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
Working Capital
Financial Statements & Accounting
₹ crore
The capital tied up in day-to-day operations, measured as current assets less current liabilities.
Working Capital = Current Assets - Current Liabilities