Alper San

Founder of SiftingIO. I write about market-data APIs, Python workflows and reliable data feeds. SiftingIO provides real-time and historical data for fintech applications.

Joined on Aug 12, 2026 https://sifting.io

Alper San

Oct 23

Bollinger Bands in Python: the pandas default that changes your chart

#python #datascience #tutorial

6 min read

Alper San

Oct 21

Gold-silver ratio in Python: join prices without hiding missing bars

#python #tutorial #datascience

5 min read

Alper San

Oct 19

Rebase prices to 100 in Python without hiding missing data

#python #datascience #visualization #tutorial

5 min read

Alper San

Oct 13

Test a market-data health check with eight small Python fixtures

#python #testing #tutorial #devops

4 min read

Alper San

Oct 9

Build an AI Market Brief with Python: Keep Prices, Math, and Prose Separate

#ai #python #api #fintech

5 min read

Alper San

Oct 4

Google Sheets market data template: a watchlist you can copy

#showdev #googlesheets #api #tutorial

4 min read

Alper San

Oct 2

Keeping large chart previews and CSV exports consistent

#webdev #javascript #api #performance

3 min read

Alper San

Sep 27

How to use a market data API in a web app without exposing your API key

#webdev #security #node #api

7 min read

DEV Community

Alper San

Badges

Writing Debut

Bollinger Bands in Python: the pandas default that changes your chart

Gold-silver ratio in Python: join prices without hiding missing bars

Rebase prices to 100 in Python without hiding missing data

Test a market-data health check with eight small Python fixtures

Build an AI Market Brief with Python: Keep Prices, Math, and Prose Separate

Google Sheets market data template: a watchlist you can copy

Keeping large chart previews and CSV exports consistent

How to use a market data API in a web app without exposing your API key