
Free sample so you can load the files before you pay.
Download
tier0_sample.zip — EURUSD_otc and ZARUSD_otc sample days (~415k ticks). Same JSONL layout as the paid packs.
Format
One tick per line: t, p, a (ask), b (bid).
Gaps
Selected clean session days, not a continuous tape.
Not included
Full history, the other pairs, or parquet/csv testers.
After it loads:
OTC is a broker feed. Research use only. Not financial advice.