measures the maximum adverse spike against the gap direction before each gap fills back through the prior close, using intraday bars. returns average and max spike in percent and dollar terms for gap up and gap down fills, plus a per-day detail table. configurable via gap_size (gap-size bucket), days_to_use (weekday filter), max_spike_threshold (exclude days exceeding this spike), and percentage (fill threshold; default 100 = full fill).
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Bearer authentication header of the form Bearer <token>, where <token> is your auth token.
ticker symbol. format varies by market_type: stocks use a plain symbol (e.g., SPY), forex uses a 6-character pair (e.g., EURUSD), crypto uses a contract pair (e.g., BTCUSD), futures uses the root symbol (e.g., ES).
"SPY"
"EURUSD"
"BTCUSD"
"ES"
market venue for the ticker. one of: forex, futures, crypto, stock. determines supported symbols and whether session-based intraday aggregation is available.
forex, futures, crypto, stock "stock"
"forex"
inclusive start date, YYYY-MM-DD, interpreted in the request timezone. sessions on or after this date are included in the calculation.
"2024-01-01"
inclusive end date, YYYY-MM-DD, interpreted in the request timezone. sessions on or before this date are included in the calculation.
"2024-12-31"
required intraday session start time, HH:MM:SS, interpreted in the request timezone. use the session preset that matches the market and trading session you want to analyze.
"09:30:00"
"08:00:00"
required intraday session end time, HH:MM:SS, interpreted in the request timezone. use the session preset that matches the market and trading session you want to analyze.
"16:00:00"
"17:00:00"
gap-size bucket to filter sessions; ANY includes all gap sizes.
0, 1, 2, 3, 4, 5, 6 optional list of weekdays (e.g., Monday, Friday) to include; all weekdays are used when omitted.
excludes days whose adverse spike (in percent) meets or exceeds this value; 0 includes all days.
percentage of the gap that must close before the spike measurement window ends (100.0 measures spike up to a full fill).
intraday candle granularity used for the calculation. accepted values: 1min, 5min, 15min, 30min, 1hour. route-specific defaults are shown in the default field.
required IANA timezone used to interpret the requested intraday session window and group sessions into calendar days.
"America/New_York"
"Europe/London"
"Asia/Tokyo"
Successful Response