Whipsaw
A rapid reversal that triggers an entry or exit signal and then immediately reverses again, producing a loss.
How it is identified
Test: a signal is generated and the opposite signal follows within a short interval, before the first position has moved favourably
Unit
qualitative
In depth
Whipsaws are the characteristic failure mode of every trend-following tool in range-bound conditions, and since ranges are the market's usual state, they account for the majority of trades in such systems. Their cost is not only the price movement but also the transaction costs of each round trip, which compound quickly. Reducing whipsaws means slowing the indicator, which means entering later and giving up more of each real move — an unavoidable trade-off rather than a problem to solve. Any strategy evaluated without counting its whipsaws is being evaluated on its best days only.
Worked example
A crossover system generates eleven signals in a range-bound quarter, nine of which reverse within four sessions. At an average loss of ₹1,200 and round-trip costs of ₹350, the nine whipsaws cost 9 x 1,550 = ₹13,950.
Illustrative figures, chosen so the arithmetic is easy to follow. Not a live price and not a valuation of any company.
Educational reference only
This entry explains what “Whipsaw” means. It is not investment advice and not a recommendation to buy or sell any security. Any numbers above are illustrative, not live prices, and nothing here predicts price direction or rates a stock. Consider your own circumstances and consult a SEBI-registered investment adviser before acting.