You seem to have found your source for inspiration in this Reddit post:
https://www.reddit.com/r/CryptoCurrency/comments/lolbo6/a_beginners_guide_to_limit_orders_stop_orders_and/Since the structure and some of the phrases bear a strong resemblance, despite changing the example figures and a fair share of the expressions, one should leave a reference to the original text to avoid being accused of plagiarism somewhere down the line.
It’s ok to relate to external articles, and it often happens, and put it into his own words, but one needs to make sure there is no possible confusion between self-brewed content, and one picked from the marrows of another source. The source link reference does that.