The Market Calendar

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Seasonality by month for 9 markets, S&P 500 day by day this month, and US economic release dates.

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day_seasonality Read-only

How an asset has done on a calendar date across all years: average return, share of years up, rank among all days. Free for the S&P 500 in the current month; other assets/months return that month's free numbers and a Pro link (pro_required).

datestring, required

MM-DD or YYYY-MM-DD

assetstring, required

Tools (8)

day_seasonality

read-only

Argument	Type	Description
date*	string	MM-DD or YYYY-MM-DD
asset*	string

Input schema (JSON)

{
  "type": "object",
  "required": [
    "asset",
    "date"
  ],
  "properties": {
    "date": {
      "type": "string",
      "description": "MM-DD or YYYY-MM-DD"
    },
    "asset": {
      "enum": [
        "sp500",
        "nasdaq",
        "nasdaq-100",
        "dow",
        "russell-2000",
        "bitcoin",
        "ethereum",
        "crude-oil",
        "gold"
      ],
      "type": "string"
    }
  }
}

economic_calendar

Scheduled US economic releases (FOMC, CPI, jobs, PCE, GDP, PPI, retail sales, ISM, JOLTS) in a date range, with US Eastern times.

read-only

Argument	Type	Description
days	integer
start	string	YYYY-MM-DD (default today)

Input schema (JSON)

{
  "type": "object",
  "properties": {
    "days": {
      "type": "integer",
      "maximum": 60,
      "minimum": 1
    },
    "start": {
      "type": "string",
      "description": "YYYY-MM-DD (default today)"
    }
  }
}

list_assets

List the markets covered (S&P 500, Nasdaq, Nasdaq-100, Dow, Russell 2000, Bitcoin, Ethereum, Crude Oil, Gold) with their data start dates.

read-only

No arguments.

Input schema (JSON)

{
  "type": "object",
  "properties": {}
}

month_detail

Deep dive on one month for one asset: average, median, % of years up, rank among the 12 months, recent years, the cumulative seasonal path through the month, and its strongest/weakest days.

read-only

Argument	Type	Description
asset*	string
month*	string	1-12 or month name

Input schema (JSON)

{
  "type": "object",
  "required": [
    "asset",
    "month"
  ],
  "properties": {
    "asset": {
      "enum": [
        "sp500",
        "nasdaq",
        "nasdaq-100",
        "dow",
        "russell-2000",
        "bitcoin",
        "ethereum",
        "crude-oil",
        "gold"
      ],
      "type": "string"
    },
    "month": {
      "type": "string",
      "description": "1-12 or month name"
    }
  }
}

monthly_seasonality

Average and median return, share of years up, best and worst year for each calendar month of an asset. Use for 'what's the best month for X', 'is September bad for stocks'.

read-only

Argument	Type	Description
asset*	string

Input schema (JSON)

{
  "type": "object",
  "required": [
    "asset"
  ],
  "properties": {
    "asset": {
      "enum": [
        "sp500",
        "nasdaq",
        "nasdaq-100",
        "dow",
        "russell-2000",
        "bitcoin",
        "ethereum",
        "crude-oil",
        "gold"
      ],
      "type": "string"
    }
  }
}

seasonal_pattern

Statistics for well-known S&P 500 calendar effects: santa-claus-rally, sell-in-may, september-effect, best-days-of-the-year, worst-days-of-the-year, turn-of-the-month, presidential-cycle, january-barometer, options-expiration, pre-holiday, day-of-the-week, midterm-year.

read-only

Argument	Type	Description
pattern*	string

Input schema (JSON)

{
  "type": "object",
  "required": [
    "pattern"
  ],
  "properties": {
    "pattern": {
      "enum": [
        "santa-claus-rally",
        "sell-in-may",
        "september-effect",
        "best-days-of-the-year",
        "worst-days-of-the-year",
        "turn-of-the-month",
        "presidential-cycle",
        "january-barometer",
        "options-expiration",
        "pre-holiday",
        "day-of-the-week",
        "midterm-year"
      ],
      "type": "string"
    }
  }
}

seasonal_trends

Bullish and bearish seasonal stretches as shown on The Market Calendar. Free: the S&P 500's trends touching the current month; the full year and other assets are Pro (link included).

read-only

Argument	Type	Description
year	integer
asset*	string

Input schema (JSON)

{
  "type": "object",
  "required": [
    "asset"
  ],
  "properties": {
    "year": {
      "type": "integer"
    },
    "asset": {
      "enum": [
        "sp500",
        "nasdaq",
        "nasdaq-100",
        "dow",
        "russell-2000",
        "bitcoin",
        "ethereum",
        "crude-oil",
        "gold"
      ],
      "type": "string"
    }
  }
}

window_seasonality

Every past year's return over a calendar window (start and end MM-DD), with average, median, % of years up, best and worst years. Free for S&P 500 windows inside the current month; otherwise returns the covered months' free numbers and a Pro link (pro_required).

read-only

Argument	Type	Description
end*	string	MM-DD, on or after start
asset*	string
start*	string	MM-DD

Input schema (JSON)

{
  "type": "object",
  "required": [
    "asset",
    "start",
    "end"
  ],
  "properties": {
    "end": {
      "type": "string",
      "description": "MM-DD, on or after start"
    },
    "asset": {
      "enum": [
        "sp500",
        "nasdaq",
        "nasdaq-100",
        "dow",
        "russell-2000",
        "bitcoin",
        "ethereum",
        "crude-oil",
        "gold"
      ],
      "type": "string"
    },
    "start": {
      "type": "string",
      "description": "MM-DD"
    }
  }
}