Standard deviation

எளிய மொழி விளக்கம்

XMarketRadar's chart study uses trailing population standard deviation with divisor N over a complete selected-price window.

இது ஏன் பயனுள்ளது

Standard deviation is useful as descriptive evidence when it is compared on the same definition, source, period, unit and exact listing. It is one input to research, not a verdict.

XMarketRadar-ல் எங்கு தோன்றும்

Look for Standard deviation in Advanced Chart settings, indicator panels, screeners and technical research for the selected listing and bar interval.

எப்படி கணக்கிடப்படுகிறது அல்லது பெறப்படுகிறது

XMarketRadar uses the population convention over the complete trailing window: take the square root of the mean squared distance from that window's arithmetic mean, dividing by N rather than N−1.

உள்ளீடுகள், காலம் மற்றும் அலகு

Read the disclosed inputs or source, observation period, bar interval, unit, native currency and scale. A value without its source and as-of context is incomplete; unlike units must not be combined.

நடைமுறை உதாரணம்

Illustrative only: a user reviews Standard deviation over a stated 20-bar or FY2026 period, checks the displayed source, unit and as-of date, and keeps an absent field as — rather than guessing 0.

உயர்வு மற்றும் தாழ்வு பொருள்

A higher or lower Standard deviation value is descriptive, not automatically good or bad. Meaning depends on the instrument, comparison period, method and related evidence.

நேர், எதிர் மற்றும் உண்மையான பூஜ்ஜியம்

Positive and negative Standard deviation values retain the definition shown here. A genuine reported or computed zero is displayed as 0 and is not the same as missing evidence.

எப்போது கிடைக்காது

Unavailable (—) means Standard deviation is absent, unsupported, stale under the screen's rules or not computable from verified inputs. It must never be converted to zero or a neutral signal.

வரம்புகள் மற்றும் பொதுவான தவறுகள்

Standard deviation may differ by provider definition, observation time, instrument and venue. Common mistakes are dropping units or dates, comparing unlike scopes, and treating a missing value as zero.

சந்தை சார்ந்த வேறுபாடுகள்

The concept is used across all supported markets, but currency, price scale, session calendar, source field and regulatory definition can differ. XMarketRadar preserves the exact exchange context.

தொடர்புடைய சொற்கள்

Use the related-term links on this page to compare Standard deviation with neighbouring definitions while retaining each term's distinct source, unit and limitations.

பரிந்துரைக்கப்பட்ட அடுத்த படிகள்

Open the related Technical analysis terms below, then follow the matching Help Centre task guide and inspect Standard deviation on an exact exchange listing. Confirm source, as-of time, units and unavailable reason before using it in research.

கல்வித் தகவல் மட்டும்; முதலீட்டு ஆலோசனையோ ஆர்டர் சேவையோ அல்ல.

This Standard deviation tutorial is educational and descriptive. It is not investment advice, a price prediction, a recommendation, or an instruction to buy, sell, rebalance or place an order.