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Hidden Systems/Now

Now

The latest launches, product updates, research, and resources from Hidden Systems.

Product updates
241
Articles
29
Comparisons
17
Tools and guides
36

2026 · week by week

Product updatesResearchComparisonsUpdated

Latest

Everything
Product updatesView all
  1. NebulaA connected home for our products and researchExplore Hidden Systems, Nebula and Meridian through a shared site with clearer product journeys and connected research, resources and updates.
  2. NebulaThe Intelligence table now follows storiesEvery development in the Intelligence table now shows the story it belongs to, so you can follow how news about NVIDIA, Amazon or SpaceX unfolds without leaving the table.
  3. NebulaHome now screens the marketThe table on Home is now a screener: every asset in the selected market, ranked by attention, with its price, mindshare, news, conversation, communities, sentiment and mindshare forecast on one row.
  4. NebulaPrediction markets in NebulaExplore Polymarket and Kalshi contracts alongside the existing intelligence about their subjects.
ResearchView all
  1. Behavioural simulationModelling Human ActionAn examination of evidence, exposure, memory and evaluation in actor-level behavioural prediction.
  2. Social simulationSimulating SocietyAn examination of interaction, exposure, uncertainty and empirical validation in agent-based social simulation.
  3. Stock researchThe Best Stock News Sources: A Research StackBuild a reliable stock news stack with SEC filings, investor relations, official data, trusted reporting, market context, and social intelligence.
ComparisonsView all
  1. StocktwitsStocktwits alternativeMulti-source stock sentiment and attention beyond a single community feed.
  2. FinvizFinviz alternativeSocial stock intelligence for researchers who already have charts and screeners.
  3. KaitoKaito alternativeMindshare plus emotion-level sentiment, narratives and smart money.
  4. Kaito ProKaito Pro alternativeThe crypto intelligence and API of Kaito Pro, with free public tools.

Free tools

Resources
Stock5

Live equity and AI-stock attention, sentiment, and narrative signals.

Index4

Live sentiment and Fear & Greed readings for major stock-market indices.

Commodity5

Live sentiment and Fear & Greed readings across commodity markets.

Crypto6

Social intelligence across digital assets, market regimes, and influential accounts.

Guides13

Practical workflows for finding and using market sentiment across equities, AI, indices, and commodities.

References3

Research, explainers, and definitions for interpreting market signals.

Everything, newest first

122
October2026 · 13
  1. A connected home for our products and researchProduct updateNebula
  2. The Intelligence table now follows storiesProduct updateNebula
  3. Home now screens the marketProduct updateNebula
  4. Prediction markets in NebulaProduct updateNebula
  5. Home now opens on the top stories, across every subjectProduct updateNebula
  6. Earn 25% recurring referral commissionProduct updateNebula
  7. Ask Nebula builds and edits your dashboardsProduct updateNebula
  8. Add the Catalyst Calendar to any dashboardProduct updateNebula
  9. Combine any metrics on one dashboard chartProduct updateNebula
  10. Build dashboards around any stock, topic or personProduct updateNebula
  11. Forecast specific questions with Meridian SuperforecastProduct updateMeridian
  12. Inspect Meridian’s forecasting evaluationsProduct updateMeridian
  13. Help for every step of your researchProduct updateNebula
September2026 · 30
  1. Pay per API request with x402Product updateDeveloper API
  2. A clearer overview of market clustersProduct updateNebula
  3. Orion: map the relationships around any stockProduct updateNebula
  4. Light mode for NebulaProduct updateNebula
  5. A consistent workspace for NebulaProduct updateNebula
  6. A new home for Meridian forecastsProduct updateMeridian
  7. Impact on every insightProduct updateNebula
  8. Real-time IntelligenceProduct updateNebula
  9. Sentiment forecasts on the Home pageProduct updateNebula
  10. Sentiment forecasts in the Developer APIProduct updateDeveloper API
  11. A 72-hour Sentiment forecastProduct updateNebula
  12. 4chan source coverageProduct updateNebula
  13. Mindshare forecasts in the Developer APIProduct updateDeveloper API
  14. Rankings view for Social MomentumProduct updateNebula
  15. A 72-hour Mindshare forecastProduct updateNebula
  16. A clusters page that compares every groupProduct updateNebula
  17. Compare every cluster through the APIProduct updateDeveloper API
  18. Meridian MetaForecasterProduct updateMeridian
  19. Cluster pages that analyse the crowdProduct updateNebula
  20. Cluster analytics in the Developer APIProduct updateDeveloper API
  21. Early Movers and Late Movers: who arrives first, and who arrives lastProduct updateNebula
  22. Social vs Trading Volume IndexProduct updateNebula
  23. No charge for failed API requests, and leaner sentiment responsesProduct updateDeveloper API
  24. Rate-limit headers, live streaming and stricter validation in the APIProduct updateDeveloper API
  25. Top Trending, Top Momentum and a screener in the APIProduct updateDeveloper API
  26. Every API endpoint on every planProduct updateDeveloper API
  27. One search endpoint, clearer asset classes, and a rewritten API referenceProduct updateDeveloper API
  28. Market emails that follow what you readProduct updateNebula
  29. Sentiment Bias on the price chartProduct updateNebula
  30. A more accurate Fear & Greed IndexProduct updateNebula
August2026 · 36
  1. Candlestick charts for cryptoProduct updateNebula
  2. Free sentiment tools across stocks, indices, and commoditiesProduct updateNebula
  3. Discover commodities and indices through the Developer APIProduct updateDeveloper API
  4. Follow the subjects behind a market conversationProduct updateDeveloper API
  5. Read any subject’s network on any dayProduct updateNebula
  6. The Nebuliser says which subjects matterProduct updateNebula
  7. Nebuliser: any subject as its own networkProduct updateNebula
  8. Every asset page explains itselfProduct updateNebula
  9. A daily market digest for every marketProduct updateNebula
  10. Search every topic Nebula tracksProduct updateNebula
  11. Follow the AI market in one viewProduct updateNebula
  12. See who shares the conversationProduct updateNebula
  13. Track anything people talk aboutProduct updateNebula
  14. Use Nebula from ChatGPT and ClaudeProduct updateDeveloper API
  15. Nebula in nine languagesProduct updateNebula
  16. See how much each insight was actually discussedProduct updateNebula
  17. Simpler API pricing and prepaid creditsProduct updateDeveloper API
  18. Build with Nebula for freeProduct updateDeveloper API
  19. Headline numbers on every asset pageProduct updateNebula
  20. One screener, any clusterProduct updateNebula
  21. See a year of intelligence at a glanceProduct updateNebula
  22. Modelling Human ActionResearchBehavioural simulation · 14 min read
  23. Simulating SocietyResearchSocial simulation · 14 min read
  24. The Best Stock News Sources: A Research StackResearchStock research · 13 min read
  25. Stocktwits alternativeComparisonStocktwits · 8 min read
  26. Finviz alternativeComparisonFinviz · 8 min read
  27. Nebula Agent, available through the APIProduct updateDeveloper API
  28. Calibration and Collective JudgmentResearchForecasting science · 15 min read
  29. Calendar events join market intelligenceProduct updateNebula
  30. Best Stock Sentiment Analysis Tools in 2026ResearchStock tools · 11 min read
  31. How to Use Social Sentiment for Stock ResearchResearchStock research · 12 min read
  32. Measuring Market SentimentResearchStock sentiment · 10 min read
  33. Prediction Markets ExplainedResearchPrediction markets · 12 min read
  34. One market model across assets and subjectsProduct updateDeveloper API
  35. Social conviction at every price levelProduct updateNebula
  36. Market cohorts at a glanceProduct updateNebula
July2026 · 40
  1. Meridian enters developmentProduct updateMeridian
  2. Financial Market Intelligence Use CasesResearchMarket intelligence · 13 min read
  3. How to Track Stock MindshareResearchStock research · 10 min read
  4. How to Analyse Stock Sentiment Around EarningsResearchStock research · 10 min read
  5. How to Track Market NarrativesResearchMarket narratives · 10 min read
  6. Alternative Data for Stock ResearchResearchAlternative data · 11 min read
  7. Independent foundations for MeridianProduct updateMeridian
  8. How to Use Social Momentum in Stock ResearchResearchStock research · 10 min read
  9. A new home for market intelligenceProduct updateNebula
  10. Dashboards built for explorationProduct updateNebula
  11. Best Crypto Fear & Greed Index Tools in 2026ResearchFear & Greed · 8 min read
  12. Best Crypto Mindshare Tools in 2026ResearchMindshare · 9 min read
  13. Best Kaito Alternatives in 2026ResearchComparisons · 8 min read
  14. Best Nansen Alternatives in 2026ResearchComparisons · 8 min read
  15. Best Smart Money Tracking Tools for Crypto in 2026ResearchSmart money · 8 min read
  16. Kaito Yaps Discontinued: What Changed and the AlternativesResearchComparisons · 8 min read
  17. What Is a Crypto Fear & Greed Index?ResearchFear & Greed · 9 min read
  18. What Is Crypto Mindshare?ResearchMindshare · 9 min read
  19. What Is Smart Money in Crypto?ResearchSmart money · 9 min read
  20. Kaito alternativeComparisonKaito · 6 min read
  21. Kaito Pro alternativeComparisonKaito Pro · 7 min read
  22. Cookie.fun alternativeComparisonCookie.fun · 6 min read
  23. Kaito vs Cookie.funComparisonKaito / Cookie.fun · 7 min read
  24. Santiment alternativeComparisonSantiment · 7 min read
  25. LunarCrush alternativeComparisonLunarCrush · 6 min read
  26. The TIE alternativeComparisonThe TIE · 7 min read
  27. Kaito vs LunarCrushComparisonKaito / LunarCrush · 7 min read
  28. Santiment vs LunarCrushComparisonSantiment / LunarCrush · 7 min read
  29. aixbt alternativeComparisonaixbt · 7 min read
  30. Nansen alternativeComparisonNansen · 6 min read
  31. Nansen Smart Money alternativeComparisonNansen Smart Money · 7 min read
  32. CoinMarketCap Fear & Greed alternativeComparisonCoinMarketCap · 7 min read
  33. Alternative.me Fear & Greed alternativeComparisonAlternative.me · 7 min read
  34. CFGI alternativeComparisonCFGI · 7 min read
  35. Best crypto sentiment analysis tools in 2026ResearchTools · 9 min read
  36. Crypto mindshare vs. sentiment: what is the difference?ResearchMindshare · 7 min read
  37. How to track smart-money crypto callsResearchSmart money · 7 min read
  38. Kaito vs. Cookie.fun vs. LunarCrush vs. NebulaResearchComparison · 8 min read
  39. Reddit tracking for crypto sentiment: what to watchResearchReddit tracking · 8 min read
  40. What is crypto social intelligence?ResearchSocial intelligence · 9 min read
March2026 · 1
  1. Deeper signals through the APIProduct updateDeveloper API
February2026 · 1
  1. More control over API usageProduct updateDeveloper API
January2026 · 1
  1. Introducing the new NebulaProduct updateNebula