Radar
Without Pro, today's board is delayed 60 minutes with tickers hidden. Past sessions are shown in full.
Open the RadarIn Signal8’s historical research on past premarket sessions, it generated about 22 alerts per session and caught the most stocks that later ran +50% after the alert. These are hypothetical research results only (not actual trades), do not include costs or slippage, and temporary price moves do not equal profitable trades. Past results are not indicative of future performance.
The Terminal, dilution snapshots, AI analysis on every filing and press release, the developer API and MCP server, and the premium Discord.
See each capability on the productBilled annually at $588/yr, cancel anytime
Free for 7 days with a card on file, then $588 per year ($49 a month). Cancel anytime.

The chart, the tape and the AI read on one screen.

Premarket, intraday and after hours on one live board, filtered exactly the way you trade.

The most complete dilution coverage anywhere, every figure cited to the filing it came from.
Paste one URL into Claude, ChatGPT, Cursor or VS Code and ask Signal8 anything in plain English.
Over ninety alert channels, plus Full Access to the premium rooms.

Every 8-K, 10-Q, 6-K and press release read as it lands: a stance, the red flags, the key figures.

Hover any $TICKER on X, Reddit or StockTwits and the company opens in your browser side panel.
Everything above
Billed annually at $588/yr, or $59 month to month. Cancel anytime.
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A free account covers most of the Signal8 web app. Pro adds everything on this page, including the developer API and the hosted MCP server, which are not part of the free account.
Yes. Pro is a Stripe subscription. Cancel from your account and billing stops at the end of the period you have already paid for; you keep access until then. Cancelling during a free trial means you are not charged at all.
No. Signal8 is not a registered investment adviser or broker-dealer. Everything on the platform is information read from public filings and market data, provided for your own research. It is not a recommendation to buy, sell or hold any security.