FlashAlphaFree tier
Volatility & GEX Tools
Options analytics API for GEX, DEX, vanna, charm, vol surfaces and max pain, with an MCP server.
Paid plans from$63/mo
PredixLab
Daily unusual options activity list and modeled gamma exposure (GEX) maps for S&P 500 and Nasdaq-100 stocks, updated once per trading day.
Pricing: PredixLab costs $20/mo or $192/yr. Free plan available.
Best for
Self-directed investors who want a once-a-day look at unusual options activity and modeled GEX on large-cap stocks
Notable features
- Daily unusual options activity: up to 20 stocks, each with up to 6 flagged contracts, ranked by a 0-100 activity score
- Gamma Map by strike with net GEX per 1% move, regime, gamma flip, call wall and put wall
- All, 7-day and 30-day expiration windows, with session-over-session change drivers
- Covers S&P 500 and Nasdaq-100 stocks from end-of-day open interest (not intraday)
- MCP tool and REST API access, plus open-source signal and backtest code (Apache-2.0)
Pricing notes
Premium $20/mo monthly or $192/yr ($16/mo) for the latest published trading day. Free plan has the same features on a 10-calendar-day delay.
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PredixLab FAQ
Is PredixLab free?
Yes. PredixLab has a free option. Free account sees the options activity list and Gamma Map with a 10-calendar-day delay.
How much does PredixLab cost?
PredixLab costs $20/mo or $192/yr. Premium $20/mo monthly or $192/yr ($16/mo) for the latest published trading day. Free plan has the same features on a 10-calendar-day delay.
Does PredixLab have a free trial?
No trial listed on the pricing page; free delayed account.