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I need a web-based module that replicates the sleek, interactive payoff charts you see on Sensibull, StockMock or Zerodha’s Strategy Builder, but tailored to my own workflow. Scope • Indices: Nifty 50, Bank Nifty and Sensex, each pulling call + put data for at least three upcoming expiries. • Strategy input: the user must be able to stack any combination of legs and save totally custom strategies, not just presets. • Detail level: advanced analytics—real-time P/L curve, break-even points, max profit / loss, risk-reward ratios, Greeks and probability metrics toggled on the graph itself. Key expectations 1. Clean, responsive graph (Plotly, D3, or a comparable JS library is fine) that updates instantly as legs are added, edited or deleted. 2. Reliable options chain feed (CSV upload, API pull or NSE scrape—your call as long as results are accurate). 3. Separate tabs or dropdowns to switch between the three expiries for each index without refreshing the page. 4. Export to PNG/PDF and a lightweight shareable link for each strategy. 5. Code handed over in a well-structured Git repo with brief setup notes so I can host it on my own server. Acceptance I will run a sanity check by recreating a four-leg Iron Condor on all three indices, verifying that the metrics match Sensibull within a small tolerance and that every interaction is under one-second latency in a modern browser. Let me know your preferred stack and any clarifying questions, and we can get started right away.
Project ID: 40604570
22 proposals
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Active 6 days ago
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22 freelancers are bidding on average ₹1,105 INR for this job

Hi, I can help with your "Options Payoff Graph Builder" project. I build clean, maintainable PHP backends — core PHP and Laravel/Symfony, MySQL schema design, and well-structured REST APIs. For work involving php, javascript, python, html, web development, api, data visualization, d3.js, I pay close attention to validation, security, and readable code, delivering in small, testable milestones. I provide clean commits and clear documentation. Can we discuss the specifics before I firm up the timeline? ⭐ 5.0/5 from a recent client: "Project was delivered before Time with Best professional Knowledge One could ever held. Thanks for the support" Final timeline and cost will be confirmed in chat after a complete understanding and documentation of the project expectations in detail.
₹900 INR in 1 day
7.6
7.6

Hello, I hope you are doing well. I have carefully checked your requirements and understand that you need a web-based module to create interactive payoff charts similar to Sensibull and Zerodha’s Strategy Builder, customized to your workflow. Since I have worked on similar projects, I can quickly implement this system with a production-focused approach. My experience includes developing advanced analytics tools, real-time P/L curves, and customizable strategies for financial platforms. I can deliver: - Interactive payoff graph with real-time updates using Plotly - Reliable options chain feed integration for accurate data - Easy navigation between expiries for each index - Export functionality to PNG/PDF and shareable links - Well-structured Git repo for easy hosting I can start immediately and work within your timeline. One technical clarification: What is your preferred method for options chain feed integration? Happy to discuss the details and suggest the best technical approach. Best regards, Hoang Van Phi
₹1,500 INR in 7 days
3.3
3.3

Hi, I am Ankit. I’d first confirm whether your Shimla payoff module should source options chains via live API or rely on scheduled CSV/NSE scrapes for Nifty, Bank Nifty and Sensex. A precise, fast chart helps Indian traders stack custom legs, see real‑time P/L, Greeks and probabilities, and validate Iron Condors against Sensibull within tight tolerances. I’d use a JavaScript front end with D3/Plotly, Python data handling, clean expiry tabs and exportable PNG/PDF plus shareable links in a structured Git repo. A common risk is latency or stale data skewing risk‑reward metrics and break‑even points. Let's discuss in more detail now.
₹5,000 INR in 2 days
3.2
3.2

❤️Hi there❤️ I can develop a customized web-based module for you that replicates the interactive payoff charts seen on platforms like Sensibull. This module will allow users to create and save custom strategies with advanced analytics, real-time P/L curves, risk-reward ratios, and more. The project aligns perfectly with my expertise, and I assure you of timely and accurate delivery. Please take a look at my profile for more details. Your project requires a responsive graph using Plotly or D3, reliable options chain feed, seamless switching between expiries, export features, and efficient code structure. I am confident in delivering all these aspects with precision and efficiency to meet your expectations. I look forward to the opportunity to collaborate with you on this exciting project as it aligns perfectly with my skills and experience. Feel free to reach out with any clarifications or further details. Let's create something exceptional together! Warm regards, Thaveesha
₹1,050 INR in 7 days
1.9
1.9

Hey, I can help build a responsive options payoff graph module similar to Sensibull's Strategy Builder, tailored to your workflow with fast performance and accurate calculations. You can review my work here: https://www.freelancer.pk/u/UmairBuildsAI I have experience building interactive web applications, data visualization dashboards, financial data integrations, and REST APIs using JavaScript, Python, and modern frontend frameworks. I can develop a dynamic strategy builder supporting custom multi-leg strategies, real-time P/L curves, break-even points, max profit/loss, Greeks, risk metrics, expiry switching, export to PNG/PDF, and shareable strategy links. The code will be modular, well-documented, and easy to deploy on your server. My approach is to first integrate a reliable options chain source, implement the payoff engine, build the interactive chart with instant updates, validate calculations against leading platforms, and optimize for sub-second performance. One quick question, do you already have a preferred options data source/API, or should I recommend the most reliable approach for live data? Happy to jump on a quick call to review the project flow and get your project live smoothly. Best Regards, Umair
₹600 INR in 7 days
1.1
1.1

Hi, I can build a modern web-based options strategy builder similar to Sensibull or Zerodha's Strategy Builder, tailored to your workflow. I'll develop a responsive React-based application with interactive payoff charts, custom multi-leg strategy creation, real-time P/L, Greeks, break-even analysis, probability metrics, and support for Nifty 50, Bank Nifty, and Sensex with multiple expiries. The system will include fast chart updates, strategy saving, PNG/PDF export, shareable links, and a clean backend with a well-structured Git repository. I'm experienced in building financial dashboards and can deliver an optimized, scalable, and easy-to-host solution. I'd be happy to discuss the data source and project details.
₹1,050 INR in 7 days
0.0
0.0

As a Full Stack Developer with extensive experience in web development, I believe I am the ideal professional to bring your vision of an Options Payoff Graph Builder to life. My proficiency in HTML, JavaScript, PHP, Python and my 15+ year experience in Node.js, React.js, MongoDB, and AWS make me capable of creating robust and scalable web applications that are at the forefront of current technology. Specifically addressing your needs, my knowledge in handling complex data structures and building interactive charts using libraries such as Plotly or D3 will allow me to effortlessly provide you with clean, responsive, and real-time P/L curves. Moreover, my familiarity with working on advanced analytics projects including Greeks and other probability metrics will ensure your bespoke graph meets your precise requirements. In terms of execution, I'm comfortable handling CSV uploads or API pulls for the options chain feed. Rest assured that as a seasoned developer adept in troubleshooting and quality assurance, I will create a product that not only meets your expectations but exceeds them. And upon project completion, you'll find a well-structured Git repo with concise setup notes you need for self-hosting. Let's transform your workflow by bringing greater flexibility and ease of use through this tool!
₹600 INR in 2 days
0.0
0.0

Hello, I'm bharghav, with 10 years of experience in Web Development, specifically leveraging PHP, JavaScript, Python, and HTML to build robust and interactive web solutions. I understand your need for a web-based options payoff graph builder, complete with real-time analytics and custom strategy stacking. I'll utilize a responsive JavaScript graphing library for instant updates, integrate a reliable options chain feed, and implement seamless expiry switching across Nifty 50, Bank Nifty, and Sensex. Let's connect in chat to discuss your preferred stack and any further questions you may have. Best regards,
₹1,050 INR in 3 days
0.0
0.0

I can implement the responsive interactive payoff chart with clean JavaScript structure, configurable inputs, and tested chart updates. I will focus on accurate chart rendering, responsive behavior, and a maintainable frontend module that can be integrated into your existing web application. I can start immediately and deliver the agreed module within 3 days.
₹1,500 INR in 3 days
0.0
0.0

Hello I’m Nabeel Ismail From TechN I understand you need a web-based options payoff graph builder, and we have successfully completed similar projects in the past. We can create a sleek, interactive module that allows users to customize strategies with advanced analytics, ensuring a responsive graph that updates in real-time while maintaining accuracy with options data. I bring over 3 years of experience in developing web-based financial tools, focusing on user-friendly interfaces and robust backend integrations. I’d love to chat about your project and suggest a follow-up discussion to explore your requirements in detail. Regards, Nabeel Ismail
₹750 INR in 7 days
0.0
0.0

"Hello! I read your project description carefully, and I have solid experience in Python, JavaScript, and web development. I can build a clean, interactive options payoff chart and tool matching your requirements with smooth performance and accurate calculations. I am ready to start right away. Looking forward to discussing the details with you!"
₹1,050 INR in 5 days
0.0
0.0

Hello, I can develop a custom web-based options strategy builder with support for Nifty 50, Bank Nifty, and Sensex, including multi-expiry option chains, custom strategies, real-time payoff charts, Greeks, break-even analysis, and export/share features. The solution will be fast, responsive, and delivered with clean, well-documented code for easy deployment on your server. I would be happy to discuss your requirements and milestones
₹700 INR in 7 days
0.0
0.0

I am the best candidate for this project because I bring a strong, hands-on combination of system-level understanding, rigorous problem-solving, and efficient code execution. Here is what I bring to your team: Low-Level & Systems Competency: Solid grasp of core computer science fundamentals, low-level architecture (C/C++), memory management, and process execution, ensuring optimal performance and resource management. Structured & Maintainable Code: Clean file handling, clear data logic, and modular design practices so the code is easy to scale, audit, and debug. Analytical & Data-Driven Approach: Strong foundation in quantitative logic, algorithmic efficiency, and step-by-step problem-solving. Focus on Execution: I deliver reliable, well-tested results on schedule and communicate clearly throughout every phase of the project. I am ready to get to work immediately and deliver exceptional results. Let’s connect to discuss the details!
₹1,050 INR in 7 days
0.0
0.0

As an experienced developer focused on web and mobile development, and with a keen understanding of the financial field, I'm excited to take on your "Options Payoff Graph Builder" project. My skillset in HTML, JavaScript, and PHP would perfectly serve your requirements. To replicate pay-off charts as sleek, interactive, and functional as Sensibull, StockMock or Zerodha’s Strategy Builder, reliable options chain feed is non-negotiable. I assure you that my API pull skills can provide highly accurate results. Additionally, I’m well-versed in Javascript libraries such as Plotly and D3.js which can create clean responsive graphs for your unique strategies, that update instantly as legs change and give real-time advanced analytics right on the graph. I value clean collaborative work and will gladly provide a well-structured Git repo along with setup notes so you can manage the code efficiently. My goal is not only to meet but exceed your expectations by delivering precise metrics within small tolerance limits with low latency. Let's get started on creating a tool that simplifies finance intricacies while keeping it tailored for your workflow!
₹600 INR in 3 days
0.0
0.0

Shimla, India
Member since Jun 22, 2026
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