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SIGNUM HQ

Solo dev building SIGNUM HQ, a US-stock app (iOS/Android). PRO free for 1 month 🎟 iPhone code SIGNUMPRO · Android code SIGNUMFREE (in-app Settings → Coupon)

Location Seoul, South Korea Joined Joined on  Personal website https://www.signumhq.com/app?from=devtobio&code=SIGNUMPRO

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Founder / solo developer at SIGNUM HQ

What a 5.5% Nasdaq drop looked like next to options-implied earnings moves (and how we scored them)
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What a 5.5% Nasdaq drop looked like next to options-implied earnings moves (and how we scored them)

#earnings #stocks #fintech #buildinpublic
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4 min read

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Model an observation with its expiry and time
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Model an observation with its expiry and time

#fintech #typescript #webdev #data
Comments
2 min read
Missing values are not zero in a small TypeScript model
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Missing values are not zero in a small TypeScript model

#typescript #javascript #webdev #programming
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1 min read
Validate a ratio before formatting it as a percentage
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Validate a ratio before formatting it as a percentage

#python #fintech #finance #data
Comments
2 min read
What options price in for MSFT, GOOGL, AMZN and INTC this earnings week, and how last week's five compared
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What options price in for MSFT, GOOGL, AMZN and INTC this earnings week, and how last week's five compared

#fintech #finance #stocks #data
Comments
2 min read
A timestamp gate for an earnings scorecard: reject observations made after the release
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A timestamp gate for an earnings scorecard: reject observations made after the release

#python #fintech #datascience #testing
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2 min read
How we decide which earnings options records count as pre-announcement
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How we decide which earnings options records count as pre-announcement

#fintech #webdev #data #programming
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Comments 2
4 min read
How we compute session VWAP from 1-minute bars when the data feed does not give you one
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How we compute session VWAP from 1-minute bars when the data feed does not give you one

#fintech #typescript #webdev #javascript
Comments
4 min read
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