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Why stock backtesting results deviate: The hidden pitfalls of API timestamp handling
didi_yang_a745a1a37232125 profile

Why stock backtesting results deviate: The hidden pitfalls of API timestamp handling

#api #backend #debugging #softwareengineering
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5 min read
Why Weekend Price Gaps Break Your Forex Tick Backtests (And How I Fix It)
didi_yang_a745a1a37232125 profile

Why Weekend Price Gaps Break Your Forex Tick Backtests (And How I Fix It)

#python #api #web3
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4 min read
US Market API Historical Playback: How to Restore Order Book with Snapshots?
didi_yang_a745a1a37232125 profile

US Market API Historical Playback: How to Restore Order Book with Snapshots?

#programming #python #api
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4 min read
How to Properly Fill Time Gaps in US Stock API Historical Data
didi_yang_a745a1a37232125 profile

How to Properly Fill Time Gaps in US Stock API Historical Data

#programming #python #api #database
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4 min read
Why your stock API tick data is out of order (and how to fix it with timestamps)
didi_yang_a745a1a37232125 profile

Why your stock API tick data is out of order (and how to fix it with timestamps)

#ai #webdev #programming #python
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4 min read
Fixing Forex API Duplicate Ticks: A Production-Grade Deduplication Strategy
didi_yang_a745a1a37232125 profile

Fixing Forex API Duplicate Ticks: A Production-Grade Deduplication Strategy

#webdev #programming #python #api
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4 min read
How to fix local market data gaps after crypto API WebSocket drops
didi_yang_a745a1a37232125 profile

How to fix local market data gaps after crypto API WebSocket drops

#ai #programming #webdev #python
1
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4 min read
Why Your Crypto Order Book Depth Is Never Accurate Enough (Snapshot + Incremental Fix)
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Why Your Crypto Order Book Depth Is Never Accurate Enough (Snapshot + Incremental Fix)

#programming #python #api
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4 min read
What Do Level 1 & Level 2 Forex API Quotes Actually Mean? Fixing Common Quant Data Misunderstandings
didi_yang_a745a1a37232125 profile

What Do Level 1 & Level 2 Forex API Quotes Actually Mean? Fixing Common Quant Data Misunderstandings

#webdev #programming #api #datascience
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5 min read
Why Your US Stock Backtests Are Off: How to Perfectly Align Cross-Timezone K-Line Timestamps
didi_yang_a745a1a37232125 profile

Why Your US Stock Backtests Are Off: How to Perfectly Align Cross-Timezone K-Line Timestamps

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4 min read
How Do You Validate Zero Gap in Stock API 1-Minute Historical Bars?
didi_yang_a745a1a37232125 profile

How Do You Validate Zero Gap in Stock API 1-Minute Historical Bars?

#webdev
1
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5 min read
Why Do Quant Strategies Fail on Limit-Up Stocks? Level1 vs Level2 API Data Differences in A-Shares
didi_yang_a745a1a37232125 profile

Why Do Quant Strategies Fail on Limit-Up Stocks? Level1 vs Level2 API Data Differences in A-Shares

#programming #api
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5 min read
Why Your Crypto Backtests Fail & How to Fetch Reliable Historical K-Line Data
didi_yang_a745a1a37232125 profile

Why Your Crypto Backtests Fail & How to Fetch Reliable Historical K-Line Data

#python #api #cryptocurrency
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4 min read
Why Quants Need Both Real-Time Quotes & Order Book Depth in US Stock API
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Why Quants Need Both Real-Time Quotes & Order Book Depth in US Stock API

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4 min read
Why HTTP polling fails for crypto order books? Building real-time BTC depth feed with Python
didi_yang_a745a1a37232125 profile

Why HTTP polling fails for crypto order books? Building real-time BTC depth feed with Python

1
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4 min read
Why Do Stock Market APIs Return Duplicate Candlestick Data? A High-Frequency Trader’s Practical Breakdown
didi_yang_a745a1a37232125 profile

Why Do Stock Market APIs Return Duplicate Candlestick Data? A High-Frequency Trader’s Practical Breakdown

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4 min read
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