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Build vs. Buy: Should You Develop Custom Algotrading Software or Use Off-the-Shelf Tools?

A
Ari Mehta
15 Jan 2026
8 min read
#Algo Trading#Software Development#SaaS#Custom Software#Trading Infrastructure
Build vs. Buy: Should You Develop Custom Algotrading Software or Use Off-the-Shelf Tools?

Every successful trader hits this fork in the road. You've been manually executing your strategy for months maybe years. It works. You're profitable. But you're also exhausted. The 9:15 AM anxiety. The lunch break where you miss that perfect exit. The weekends were spent backtesting instead of living.

So you start Googling "algo trading platform" at 11 PM on a Tuesday. Two paths appear:

  • Path A: Subscribe to Streak/Tradetron/AlgoTest for ₹15-50K/year. Start tomorrow.
  • Path B: Get custom algotrading software built. It takes weeks. Costs more upfront.

Which one do you pick? If you're reading this, you've probably already tried Path A. And you've discovered the problem.

The Seductive Lie of "Ready-Made" Solutions

Let's talk about Vikram. Nifty options trader. ₹80 lakh portfolio. Smart guy engineering background, understands code. He signed up for a popular algo trading platform in January 2024. The pitch was perfect: "Automate any strategy in minutes! No coding required!"

Three months later, he was back to manual trading. What happened?

"The platform couldn't handle my strategy's edge cases. I sell strangles, but only when VIX is between 12-18, and only if the overnight gap is less than 0.5%. The platform's 'conditions builder' couldn't do that without clunky workarounds that broke every other week."

Here's the dirty secret about off-the-shelf tools: They're built for the median user, not the profitable outlier. If your strategy fits in a simple "RSI + moving average crossover" template, congrats you'll love SaaS platforms. But if you're actually making money consistently? Your edge probably comes from nuances that templates can't capture.

The Real Cost of "Cheap" Solutions

That ₹20K annual subscription seems like a steal compared to custom algotrading software development. Until you calculate what you're actually paying:

Cost #1: Strategy Compromises

Ananya, a futures trader from Chennai: "I wanted to scale into positions across three price levels. The platform only supported single-entry orders. So I either simplified my strategy and lost edge or stayed manual. Eventually, I paid for custom development. Should've done it from day one."

Cost #2: Broker Lock-In

You found better brokerage at Finvasia. Or AngelOne's new API is faster. Or you want to test with GoPocket's prop funding. Guess what? Most platforms hard-code broker integrations. Switching means rebuilding everything or staying trapped. With custom algo trading software, you switch brokers by changing SIM cards. Same phone (your strategy), different carrier.

Cost #3: Platform Risk

What happens when your SaaS platform:

  • Shuts down (remember those crypto trading bots in 2022?)
  • Raises prices 300% (looking at you, niche B2B SaaS)
  • Gets acquired and discontinues your tier
  • Changes features that break your strategy

You're renting someone else's infrastructure. They hold the keys.

Cost #4: The Multi-Account Ceiling

If you're serious about compounding, you're not trading one account. You've got: Personal trading account, spouse's account, HUF account, maybe a prop allocation. SaaS platforms either don't support multi-account execution, or charge 3x-5x for the privilege.

Rajesh, managing ₹1.4 crore across four accounts: "My previous platform wanted ₹1.2 lakhs yearly for multi-account features. I paid less than that for custom software I'll own forever."

When Off-the-Shelf Makes Sense (Honest Take)

I'm not here to trash SaaS platforms. For some traders, they're perfect:

  • You're testing algo trading for the first time. If you've never automated before, spending ₹15K to experiment is smart.
  • Your strategy is genuinely simple. Pure momentum? Basic option selling? Templates might work fine.
  • You trade one account, one broker. No plans to scale, no need for flexibility.
  • Your capital is under ₹15-20 lakhs. The ROI math on custom development needs volume.

But here's the thing: if you're managing ₹25 lakhs to ₹1 crore and profitable enough to read 750-word algo trading blogs, you've probably outgrown these constraints.

The Custom Development Advantage: What You Actually Get

Let's break down what custom algo trading software delivers that templates can't:

  • Your Strategy, Unfiltered: No more "the platform doesn't support that" conversations. If you can articulate the logic, it gets coded. Period.
  • Broker Freedom: We build on algotradingbridge architecture—a broker-agnostic layer that connects your strategy to any API.
  • True Multi-Account Execution: Deploy the same strategy across unlimited accounts. Same signals, synchronized execution, individual position tracking.
  • Full Ownership: You own the code. You own the infrastructure. No subscriptions. No renewal fees.
  • Incremental Evolution: Markets change. SEBI introduces new rules. You discover a new edge. With custom software, you make changes on your timeline.

The Privacy Question Everyone's Too Polite to Ask

Let's talk about what nobody mentions in platform marketing materials. When you upload your strategy to a shared platform, where does it go? Their servers. Their database. Their "anonymized analytics." sure, they promise security. But you're literally handing your edge to a company that serves thousands of traders.

Custom algo trading software means your strategy never leaves your control. Your developer codes the execution framework, not your secret sauce.

Speed and Reliability: The Unsexy Edge

Here's something traders don't think about until it costs them money: Execution latency. Your SaaS platform processes signals through their servers, their queue, their rate limits. On a volatile day, that's 500-1000ms of delay. Custom algotrading software runs on your infrastructure (or optimized cloud instances). You get sub-200ms execution.

Doesn't sound like much? On a ₹5 lakh Nifty position moving ₹20/second, 800ms costs you ₹16,000 per trade. Speed isn't sexy. But it pays.

The Arkalogi Reality: 1,800+ Strategies, One Mission

We've been building custom trading strategies and platforms for over a year. 200+ traders and prop firms. From ₹25 lakh retail accounts to institutional setups. Most traders waste 6-12 months on SaaS platforms before going custom. The ones who succeed? They skip that detour.

Our delivery model is different:

  • 2-3 week MVPs (not 3-month waterfalls)
  • Broker-agnostic from day one (Zerodha, AngelOne, Finvasia, Upstox, Arham Wealth, GoPocket, Bloomberg—all supported)
  • Strategy privacy by design (we code execution, not your edge)
  • Post-launch support (because market conditions change)

The Decision Framework: Build or Buy?

Here's how to think about this:

Choose SaaS if:

  • Capital under ₹20 lakhs
  • Strategy fits simple templates
  • One account, one broker, no complexity
  • Testing algo trading as a concept

Choose Custom Development if:

  • Managing ₹25L+ portfolio
  • Profitable with a proven edge
  • Need multi-account execution
  • Plan to switch brokers or scale
  • Value speed, privacy, ownership
  • Think in years, not quarters

Your Move

You didn't get to a ₹50 lakh or ₹1 crore portfolio by settling for average tools. Your strategy deserves infrastructure that matches your ambition. We'll analyze your needs, show you what's possible with custom algo trading software, and help you make the right choice even if that means recommending you stick with SaaS for now.

"No hard sells. Just honest advice from people who've built 1,800+ strategies and know what actually works. Because your edge deserves better than compromise."
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Ari Mehta

Author

Passionate about creating innovative solutions and sharing knowledge with the community.

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