SOXL historical data: 1-minute to daily bars, 2010 to 2026

SOXL is the Direxion Daily Semiconductor Bull 3X Shares; it tracks three times the daily return of a semiconductor index. MarketParquet holds SOXL as a US ETF with 1-minute, 5-minute, 30-minute, 1-hour and daily OHLCV bars from 2010-03-11 to 2026-09-10 (4,152 daily bars), split-adjusted (dividends not embedded), as one Parquet file per trading day.

SOXL is the leveraged way to trade the semiconductor cycle and one of the most actively traded leveraged ETFs.

SOXL at a glance

Sample: SOXL 30-minute bars on 2026-09-16

The first regular-session bars from the newest 30-minute file, read live from the archive. Prices are the values as published; the full session has many more rows.

Open the full 2026-09-16 preview for SOXL

Corporate actions in the changelog

No split adjustment for SOXL appears in the published changelog, which lists every repair applied since it began. Earlier splits are already reflected in the archive: SOXL prices are split-adjusted (dividends not embedded), so bars before any historical split sit on today's share basis. Dividends are deliberately not embedded; see data quality.

Load SOXL in Python

Files are partitioned by trading day, so pulling one symbol means filtering across files. DuckDB reads the whole daily history in one statement; union_by_name and the COALESCE cover the older daily files, which carry a timestamp column where newer ones carry date:

  import duckdb

  soxl = duckdb.sql("""
      SELECT COALESCE(date, CAST(timestamp AS DATE)) AS date,
             open, high, low, close, volume
      FROM read_parquet('by_date/etf_daily/*/*.parquet', union_by_name=true)
      WHERE symbol = 'SOXL'
      ORDER BY 1
  """).df()

Intraday files all share one schema, so Polars can scan a year of 5-minute bars lazily and keep only SOXL:

  import polars as pl

  bars = (
      pl.scan_parquet("by_date/etf_5min/2025/*.parquet")
        .filter(pl.col("symbol") == "SOXL")
        .select(["timestamp", "open", "high", "low", "close", "volume"])
        .sort("timestamp")
        .collect()
  )

Timestamps are US/Eastern bar open times. The Polars guide, the DuckDB guide and the backtrader guide take it from here: multi-year loads, resampling and feeding a backtest engine.

Available ETF files

Every file holds all ETF symbols for that day, SOXL included.

Get SOXL data

Free: a free account can download roughly the last year of daily ETF files, which include SOXL, from the daily browse page or by API key. Complete Archive: every timeframe and the full history back to 2010-03-11 for SOXL and every other symbol, $79 one-time.

FAQ

Is SOXL history split-adjusted?

Yes. Prices are split-adjusted so the series is continuous across splits; dividends are not embedded, which keeps the bars equal to the prices that actually traded.

How far back does SOXL go?

The first SOXL bar in the archive is dated 2010-03-11 and the newest is 2026-09-10. New sessions are added the same night, typically by midnight ET.

What timezone are the intraday bars in?

US/Eastern. Regular hours are 9:30 AM to 4:00 PM ET; 1-minute files also carry pre-market from 4:00 AM and after-hours to 8:00 PM where trades occurred.

Can I download only SOXL?

Files are per day, not per symbol, so you download the daily or intraday files for the dates you need and filter on symbol == "SOXL". A year of daily files is small; the snippets above do the filtering in one pass.

Related

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