Obsidian VS FlashAlpha

• Local-first
  Obsidian stores your notes locally on your device, giving you full control over your data and enhancing privacy.
• Markdown Support
  Obsidian uses Markdown, making it easy to format text and compatible with many other text editors and tools.
• Bidirectional Linking
  You can create bidirectional links between notes, which helps in building a knowledge graph and navigating related information more easily.
• Customizability
  Obsidian is highly customizable with community plugins, themes, and various settings to fit different workflows.
• Graph View
  Provides a visual graph view of your notes and their connections, aiding in understanding relationships and discovering insights.
• Offline Access
  Since the notes are stored locally, you can access and edit them without an internet connection.

Possible disadvantages

• Learning Curve
  Obsidian can be complex and overwhelming for beginners due to its extensive features and customizable nature.
• Sync Limitations
  While local-first is great for privacy, it requires additional steps or third-party solutions for syncing across devices.
• No True Real-time Collaboration
  Obsidian lacks native real-time collaboration features, making it less suitable for collaborative work compared to cloud-based solutions.
• Limited Mobile Features
  The mobile version of Obsidian, while functional, is not as robust as the desktop application, potentially hindering productivity on the go.
• Dependence on Plugins
  Many advanced features require the use of third-party plugins, which could lead to compatibility issues and reliance on community support.
• Performance on Large Vaults
  Performance might degrade with a very large number of notes or complex graphs, impacting usability.

• REST API
  Pull options analytics via simple HTTP requests. JSON responses, standard authentication, 15-second cache refresh.
• Python SDK
  pip install flashalpha. Wraps all endpoints in native Python methods. Get data in one line of code.
• Real-time data
  Analytics computed from live options data during market hours. Covers 6,000+ US equities and ETFs.
• Gamma exposure (GEX)
  Per-strike dealer gamma exposure, gamma flip level, call wall, put wall, and regime classification. The core signal for intraday support and resistance.
• Volatility surfaces SVI
  VI-calibrated implied volatility across strikes and expirations. 3D heatmaps, skew profiles, and term structure analysis.
• Options Greeks
  Full Black-Scholes Greeks through third order. Delta, gamma, theta, vega, rho, vanna, charm, volga computed server-side.

OBSIDIAN: Getting Started, Facts & Pricing

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• Running Claude Code, Codex and Cursor Side by Side: How I Work With Them

  The reasons live somewhere else: in practice notes in an Obsidian vault, one note per convention, with the repos it has held in. A note starts as an idea, moves to trialing, and only becomes enforced once I've applied it again in a few... - Source: dev.to / 2 days ago

• The Manager Who Doesn't Use AI Has Already Lost: Hard Skills

  It's the team version of the second brain you build with Obsidian and Claude. - Source: dev.to / 7 days ago

• Mine and yours first Obsidian plugin

  The first time I downloaded Obsidian was about two years ago and I really liked the concept of storing everything locally in simple markdown files without unnecessary clutter. - Source: dev.to / 5 days ago

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• Volatility Risk Premium in 30 Lines of Python (And the 5 Mistakes That Wreck It)

  I built FlashAlpha for this. GET https://lab.flashalpha.com/v1/vrp/{symbol} returns ATM IV, four matched RV windows (5d, 10d, 20d, 30d) using Yang-Zhang, the VRP for each, rolling z-score and percentile, put-call directional... - Source: dev.to / 6 months ago

• Historical Options Data API for Backtesting — Replay GEX, VRP & Dealer Positioning at Any Minute Since 2018

  FlashAlpha's Historical API changes that. The contract is simple: every live analytics endpoint, replayable at any minute since 2018-04-16, returned in the same response shape. One query parameter — at — and you get what GEX, DEX, VEX,... - Source: dev.to / 7 months ago