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It’s the one technical tool that can give your trading skills a boost like almost no other. Jon explains why.

Bollinger Bands Might Be The Only Indicator You’ll Ever Need

Getting to grips with technical analysis can seem like hard work. But if you master just one indicator, make it Bollinger bands. You can think of Bollinger bands as the “all-rounder” indicator – they cover a lot of ground and can be a powerful trading tool if you know how to use them. Here’s what you need to know...

# What are Bollinger bands?

**John Bollinger** invented Bollinger bands in 1983, when he was the chief market analyst for the Financial News Network. The indicator can tell you how **volatile** an asset is at a given point in time, and whether its volatility is increasing or decreasing. This can be useful information if you’re trying to buy near the bottom, sell near the top, or just sit back and stay in your trade.

The best way to explain Bollinger bands is with an example.

Pack

contentPieceId

encryptedEmail

ContentPieceQuery

viewer

query ContentPieceQuery(
  $contentPieceId: String!
  $encryptedEmail: String
) {
  viewer {
    authorization {
      roles {
        isAnonymous
      }
      ...SingleContentPiece_authorization
    }
    content(encryptedEmail: $encryptedEmail) {
      ...SingleContentPiece_content_11DhN6
      contentPiece(contentPieceId: $contentPieceId) {
        __typename
        ...SingleContentPiece_contentPiece
        id
      }
    }
    id
  }
}

fragment AudioOnlyBanner_contentPiece on ContentPieceInterface {
  __isContentPieceInterface: __typename
  headerImage {
    ...ServerImage_image
  }
  title
}

fragment Block_block on ContentPieceBlock {
  __isContentPieceBlock: __typename
  __typename
  ... on TextBlock {
    id
    ...TextBlock_block
  }
  ... on ImageBlock {
    id
    ...ImageBlock_block
  }
  ... on QuoteBlock {
    id
    ...QuoteBlock_block
  }
}

fragment ContentMetadata_contentPiece on ContentPieceInterface {
  __isContentPieceInterface: __typename
  byline
  consumptionTime
  dateUpdatedDisplay
  contentPieceType {
    name
  }
}

fragment ContentPieceSEO_contentPiece on ContentPieceInterface {
  __isContentPieceInterface: __typename
  title
  imageForSeo: headerImage {
    url: full
  }
  subtitle
  firstPublishedAt
  id
  ... on PublicContentPiece {
    globalContentPieceId
  }
  byline
  seoTitle
  searchDescription
  canonicalLink
}

fragment ExploreMore_content_3M8Ve6 on Content {
  moreContentPiecesOfSameType: contentPieces(first: 5, filterByTypeOfId: $contentPieceId) {
    edges {
      node {
        title
        id
        slug
        subtitle
      }
    }
  }
}

fragment ImageBlock_block on ImageBlock {
  image {
    ...ServerImage_image
  }
  alt
  caption
}

fragment ListenButton_contentPiece on ContentPieceInterface {
  __isContentPieceInterface: __typename
  id
  title
  trackingTitle
  subtitle
  readingTime
  isPremium
  hasBlocks
  hasChapters
  hasAudio
  contentPieceType {
    name
    trackingName
  }
  ...AudioOnlyBanner_contentPiece
}

fragment MainContentSection_contentPiece on ContentPieceInterface {
  __isContentPieceInterface: __typename
  ...ContentMetadata_contentPiece
  ...ListenButton_contentPiece
  ...ContentPieceSEO_contentPiece
  ...AudioOnlyBanner_contentPiece
  title
  headerImage {
    ...ServerImage_image
  }
  globalContentPieceId
  trackingTitle
  subtitle
  firstPublishedAt
  readingTime
  isPremium
  deepLink
  hasBlocks
  hasChapters
  hasAudio
  id
  byline
  contentPieceType {
    name
    trackingName
  }
  blocks {
    __typename
    ...Block_block
    ... on Node {
      __isNode: __typename
      id
    }
  }
}

fragment MoreContentSection_content_11DhN6 on Content {
  ...ExploreMore_content_3M8Ve6
  mostRecentBrief: contentPieces(first: 1, excludeId: $contentPieceId, contentType: "DAILY_BRIEF") {
    edges {
      node {
        id
        ...SingleContentLarge_contentPiece
      }
    }
  }
  mostRecentInsight: contentPieces(first: 1, excludeId: $contentPieceId, contentType: "INSIGHT") {
    edges {
      node {
        id
        ...SingleContentLarge_contentPiece
      }
    }
  }
}

fragment QuoteBlock_block on QuoteBlock {
  quote
  caption
}

fragment ServerImage_image on URLImage {
  full
  srcSet
}

fragment SingleContentLarge_contentPiece on ContentPieceInterface {
  __isContentPieceInterface: __typename
  title
  byline
  consumptionTime
  headerImage {
    ...ServerImage_image
  }
  hasChapters
  chapters {
    __typename
    id
    slug
  }
  id
  slug
}

fragment SingleContentPiece_authorization on Authorization {
  roles {
    isPreviewingContentAllowance
    isPreviewing
    isAnonymous
    hasPremiumSubscription
  }
}

fragment SingleContentPiece_contentPiece on ContentPieceInterface {
  __isContentPieceInterface: __typename
  ...AudioOnlyBanner_contentPiece
  ...MainContentSection_contentPiece
  globalContentPieceId
  trackingTitle
  isPremium
  hasBlocks
  hasChapters
  hasAudio
  contentPieceType {
    name
    trackingName
  }
  chapters {
    __typename
    id
    slug
  }
}

fragment SingleContentPiece_content_11DhN6 on Content {
  ...MoreContentSection_content_11DhN6
  anonymousUserHasPremium
}

fragment TextBlock_block on TextBlock {
  textMarkdown
}


Bollinger Bands Might Be The Only Indicator You’ll Ever Need

What are Bollinger bands?

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Your Daily Brief For January 27th

Get Ready For The Emerging Markets Era In Stocks